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Running head: GREEK LIFE AND SOCIAL PRESSURE ON EATING 1
The Relationship Between Involvement in Greek Life and Social Pressure on Eating Behaviors
of College Students
Rachel Smith
University of Southern California
GREEK LIFE AND SOCIAL PRESSURE ON EATING 2
Abstract
Though previous research has found that being in Greek life and the eating behavior of college
students may be significantly related, it has not yet been fully understood why this is. For
instance, what exactly is it about being involved in Greek life that is associated with the choices
that college students make about their eating habits? This study aimed to assess the relationship
between involvement in a Greek organization, and the social pressures created by that, and the
eating behaviors of college students. Based on previous literature review, it was hypothesized
that involvement in Greek life would be significantly related to the eating behaviors of college
students, due to the social pressures that may come with being involved in Greek life. In other
words, it was predicted that social pressures would mediate the relationship between Greek life
involvement and eating behavior. The participants included a sample of 69 college
undergraduates. The participants were administered a survey that assessed their affiliation within
a Greek organization, their perceived amount of social pressure, and their habits and behaviors
regarding eating. A series of multiple regressions were executed to test the hypothesized
meditational model. The results suggested that Greek life is significantly related to the eating
habits of college of college students (B=.741, sig=.000); however, social pressures did not seem
to mediate that relationship (B=-.047, sig=.594). The results imply that there may be other
factors associated with being involved in Greek life that may mediate the relationship between
Greek life involvement and eating behavior.
GREEK LIFE AND SOCIAL PRESSURE ON EATING 3
The Relationship Between Involvement in Greek Life and Social Pressure on Eating Behaviors
of College Students
Disordered eating habits are a widely studied concept within the field of psychology.
Negative eating behaviors may be exhibited by people of all ages, but it has been suggested
through previous research that the prevalence of these disordered behaviors is higher among the
college population, and is a significant problem on college campuses. (Linder, Hughes & Fahy,
2008). This higher prevalence may be related to social pressures that students can be faced with.
For instance, one study suggests that students in college engage in constant social comparisons,
in which their peers directly affect students’ formations of identities (Linder, Hughes & Fahy,
2008). When the study was conducted, the results implied that the negative eating behaviors that
were exhibited by the participants were actually independent of the participants’ weights,
suggesting that the students may have had distorted perceptions of their own bodies (Linder,
Hughes & Fahy, 2008). This study aims to assess the relationship between the involvement in
Greek life, and the social pressures created by that involvement, on the eating behaviors and
habits of college students.
Social Pressure
The social comparison theory may play an important role in creating the societal
pressures felt by college students, thus helping to explain how these pressures influence the
eating behaviors of college students. This theory is used to explain how and why humans assess
and establish their own perceptions and abilities (Cresanti-Daknis, 1997). Humans are constantly
searching for targets to build comparisons on and often look to their surrounding environment.
The problem arises when there is a discrepancy between how a person views their self and how
they view others (Corning, Krumm & Smitham 2006). This is the foundational basis of the social
GREEK LIFE AND SOCIAL PRESSURE ON EATING 4
comparison theory. Social comparisons may be used to explain the prevalence in the “thin ideal”
perceptions of modern day college students. These perceptions may be key components in
determining what constitutes high levels of perceived social pressure, therefore possibly helping
to explain the factors that lead to disordered eating habits. Constant social comparisons within an
individual may create higher levels of social pressure, in which the individual feels the need to
change their thoughts or behavior. One way in which an individual may cope with these social
pressures is manifest in their eating behaviors.
Involvement in Greek Life
Additionally, involvement in a membership group, such as those within the collegiate
Greek affiliations, may be another factor in determining what influences college students’ eating
habits. Within the college environment, involvement in Greek life has been shown to generate
social norms and gender roles that may be used to explain the occurrence of negative eating
habits in college students. These social norms are created to establish what is appropriate
behavior for the members that identify with it (Crandall, 1988). Individuals adjust their behavior
to fit that of those around them, thus suggesting that this may have an influence on the eating
patterns exhibited by college students. In an interview with an undergraduate student in Greek
life, the participant noted that she often finds herself comparing herself to others and that she
often engages in dieting behaviors in an attempt to compete with the skinnier girls.
One previous study on sorority membership concluded that participants who were a part
of a sorority were at higher risk for development of eating disorders, had higher levels of
perceived social pressure and higher levels of body consciousness (Basow, Foran & Bookwala,
2007). By creating pressures to be thin and have the “ideal body”, sorority membership may be a
factor that contributes to negative eating habits. In another prior study, a direct correlation was
GREEK LIFE AND SOCIAL PRESSURE ON EATING 5
found between the eating habits of a participant and those of the participant’s friends (Crandall,
1988). These studies demonstrate the weight that being involved in Greek life may have on the
eating behaviors of college students.
Based on the previous literature reviews, I have constructed a meditational model,
consisting of four main hypotheses, for how Greek life and social pressure may be related to the
eating behavior of college students. My first hypothesis is that involvement in a Greek
organization will have a significant positive influence on social pressure. Second, I hypothesize
that social pressure will have a significant influence on the eating behaviors of college students.
My third hypothesis is that involvement in Greek life will significantly influence eating
behaviors. Lastly, I hypothesize that social pressure will act as a significant mediating variable
on the relationship between Greek affiliation and eating behaviors.
Methods
Participants
The participant pool consisted of 69 undergraduate college students. Participants were
recruited online via Facebook. Both Greek-affiliated and non Greek-affiliated undergraduates
were encouraged to participate in this study. The age of the participants was not asked for, but
given that the participants were undergraduates in college, the ages were between approximately
18-22. In light of the fact that gender was not a variable that was relevant in this study, both
males and females could have completed the survey; the gender of the participant was not asked
in the questionnaire.
Instruments
The study was executed through the use of a Qualtrics survey. The first part of the survey
consisted of a question establishing the participants’ involvement in Greek life or not. The next
GREEK LIFE AND SOCIAL PRESSURE ON EATING 6
portion of the survey assessed the presence of social pressures in the participants’ lives. These
questions came from the Self Monitoring Scale (Snyder, 1974). This scale is designed to assess
the extent to which a person engages in intentional impression management strategies when in
social situations (Snyder, 1974). Some examples of items in this scale are: “I find it hard to
imitate the behavior of other people” and “ Even if I am not enjoying myself, I often pretend to
be” (Snyder, 1974). The last part of the survey assessed the participants’ eating habits and
behaviors. These questions came from The Eating Attitudes Test (Garner et al., 1982). This is a
standardized self-report questionnaire that analyzes some of the socio-cultural factors that may
influence the development of negative eating habits, and is particularly useful in assessing the
risk of an individual developing a possible eating disorder. (Garner et al., 1982). Examples of
items included in this scale are: “I find myself preoccupied with food” and “I cut my food into
small pieces” (Garner et al., 1982).
Procedure
The participants for this study were recruited through the use of convenience sampling.
Uses of social media sites, such as Facebook, were used to distribute the Qualtrics survey. Each
participant who agreed to take the survey was provided the same exact survey which they took in
the convenience and privacy of their home. Possible deception in this study may have been the
fact that the participants did not know what the study was testing for. Once the data had been
collected, it was analyzed through a series of statistical tests. Given the design of the study, a
multiple regression test was run to analyze the data obtained from the Qualtrics survey. A
multiple regression was run to account for the meditational model, in which three different
regressions were run: First, eating behavior was regressed on the involvement in Greek life.
Second, social pressure was regressed on involvement in Greek life. Finally, eating behavior was
GREEK LIFE AND SOCIAL PRESSURE ON EATING 7
regressed on both Greek life involvement and social pressure. Furthermore, a Shapiro-Wilk test
was used to test the assumption that the residuals were evenly distributed. Given that the
Shapiro-Wilk test yielded insignificant results, it could be assumed that the residuals were evenly
distributed.
Results
To test the different hypotheses posed for this study, a series of multiple regressions were
executed. A separate regression was used to test the relationship between each of the following
hypothesized relationships: Greek life involvement (initial predictor) and eating behavior
(outcome), social pressure (mediating predictor) and Greek life involvement, and the relationship
between both Greek life involvement and social pressure on eating behavior.
Measurement Analysis
Assessing Involvement in Greek Life. The first criterion variable was involvement in
Greek life, therefore only needed one question to assess it. This was assessed in the questionnaire
through a simple yes/no question to see whether each participant was involved in Greek life or
not.
Reliability of the “Self Monitoring” scale. A pre-existing scale called the The Self-
Monitoring Scale (Snyder, 1974) was used to measure one of the criterion variables: social
pressure. 25 items were used to assess this construct. The scale yielded a lower Cronbach’s alpha
than desired, an alpha of .399, but the scale was still used in light of the fact that it is a verified,
pre-existing scale.
Reliability of the “East-26 Self-Test” scale. A pre-existing scale called the The Eat-26
Self-Test (Garner et al, 1982) was used to assess the eating habits of the participants. The scale
consisted of 26 items which all assessed the participants’ feelings and behaviors regarding food
GREEK LIFE AND SOCIAL PRESSURE ON EATING 8
and eating. This scale yielded a Chronbach’s alpha of .908, suggesting a high internal
consistency. Since the alpha level suggests that the items used to measure this construct are
closely related to each other, no items were discarded.
Factor Structure. Two factor analyses with varimax rotation were conducted to test
whether each scale was measuring just one construct. The first factor analysis was executed to
make sure the items were measuring social pressures. It was decided that a single factor solution,
Social Pressure, would work best to represent this data (see Table 1). The cumulative amount of
variance accounted for by this factor solution was 16.36%. The next factor analysis was executed
to establish that the intended items in the eating behavior scale were actually measuring eating
behavior. Once again, it was decided that a single factor solution, Eating Behavior, would be the
best solution for this data (see Table 2). The cumulative amount of variance accounted for by this
factor solution was 34.9%.
Multiple Regression Analyses
A set of three regression analyses was run to test the relationship between the outcome
variable (eating behaviors), the initial predictor variable (Greek life involvement) and the
mediating variable (social pressure). It was predicted that social pressure would act as a
mediating variable, but the results did not indicate a meditational relationship. To test this, a
number of steps were taken. First, the eating behavior variable was regressed on the initial
predictor, which was Greek life (B= .741, sig= .000). These results suggest that there is a
significantly positive relationship between being involved in Greek life and eating behaviors.
Next, social pressure was regressed on Greek life (.B=-.047, sig= .594), yielding insignificant
results. Finally, eating behaviors was regressed on both Greek life and social pressure. In this last
regression analysis, Greek life produced significant results (B= .721, sig= .000), while social
GREEK LIFE AND SOCIAL PRESSURE ON EATING 9
pressure produced insignificant results (B=-.183, sig= .558), indicating that social pressure does
not act as a mediator on the relationship between Greek life involvement and eating behaviors.
The results suggest that the amount of variance accounted for in the outcome variable by the
predictors was .264.
Discussion and Implications
This study posed four hypotheses. The first one was that involvement in Greek life would
significantly influence eating behaviors. Secondly, it was predicted that involvement in Greek
life would have a significant positive influence on social pressures. It also was hypothesized that
social pressures would have a significant influence on the eating behaviors of college students.
Lastly, it was hypothesized that social pressures would act a mediating variable on the
relationship between Greek life involvement and eating behaviors. In other words, being
involved in Greek life would create higher levels of social pressures, which would then in turn
affect eating behaviors. The results suggested that there is a significant relationship between
Greek life involvement and eating behaviors, supporting the initial hypothesis. However, no
significant results were found between social pressures and Greek life involvement, suggesting
that social pressure does not act a mediating variable on the relationship between Greek life
involvement and eating behavior.
Previous studies have suggested that involvement in Greek life may create social norms
that cause Greek-affiliated students to feel pressured to comply with those norms, possibly
influencing their eating habits. More specifically, a prior study found that members who were
part of a sorority were suggested to be at higher risks of developing eating disorders and had
higher levels of social pressures (Basow, Foran & Bookwala, 2007). This study did not support
previous findings in which social pressures in Greek life were associated with eating behavior.
GREEK LIFE AND SOCIAL PRESSURE ON EATING 10
However, the results of this study did suggest a significant relationship between Greek-life
involvement and eating behavior, concurrent with other previous research. This suggests that, in
accordance with prior studies, being involved in Greek-life is significantly related to the eating
behaviors of college kids.
This study poses a few limitations, which should be considered. First, the sample size
was relatively small. In smaller sample sizes, it is harder to generalize the results to a larger
population. Second, the use of an online survey poses the threat of self-report biases. Participants
may have answered in a way that they perceive as more socially acceptable, reporting answers
dishonestly.
This study implies that while Greek life is significantly related to the eating habits of
college students, it may not be because of the social pressure that Greek life creates. Thus, the
study also implies the need for future research on this topic, in which other variables present in
Greek life should be studied to see which ones are significantly associated with eating behavior
in college students.
GREEK LIFE AND SOCIAL PRESSURE ON EATING 11
Table 1
“Social Pressure Scale” single factor exploratory solution.
Item F1
I find it hard to imitate the behavior of other people .520
My behavior is usually an expression of my true inner
feelings, attitudes, and beliefs.
At parties and social gatherings, I do not attempt to do or
say things that others will like.
-.402
I can only argue for ideas which I already believe.
I can make impromptu speeches even on topics about
which I have almost no information
-.589
I guess I put on a show to impress or entertain other
people.
When I am uncertain how to act in a social situation, I
look to the behavior of others for cues.
.481
I would probably make a good actor. -.393
I rarely seek the advice of my friends to choose movies,
books, or music.
I sometimes appear to others to be experiencing deeper
emotions than I actually am.
I laugh more when I watch a comedy with others than
when alone.
In groups of people, I am rarely the center of attention. .743
In different situations with different people, I often act
like very different persons.
I am not particularly good at making other people like
me.
.310
Even if I am not enjoying myself, I often pretend to be
having a good time.
I am not always the person I appear to be. .430
I would not change my opinion (or the way I do things)
in order to please someone else or win their favor.
-.324
I have considered being an entertainer. -.436
In order to get along and be liked, I tend to be what
people expect me to be rather than anything else.
.360
I have never been good at games like charades or
improvisational acting.
.542
I have trouble changing my behavior to suit different
people and different situations.
At a party, I let others keep the jokes and stories going. .664
I feel a bit awkward in company and do not show up .803
GREEK LIFE AND SOCIAL PRESSURE ON EATING 12
quite as well as I should.
I can look anyone in the eye and tell a lie with a straight
face.
I may deceive people by being friendly when I really
dislike them.
Table 2
“Eating Behavior Scale” single factor exploratory solution.
Item F1
I am terrified about being overweight. .688
I avoid eating when I am hungry. .836
I find myself preoccupied with food. .537
I have gone on eating binges where I feel that I may not be
able to stop.
.483
I cut my food into small pieces.
I am aware of the calorie content of foods that I eat. .533
I particularly avoid food with a high carbohydrate content
(i.e. bread, rice, potatoes, etc.)
.662
I feel that others would prefer if I ate more. .604
I vomit after I have eaten. .592
I feel extremely guilty after eating. .852
I am preoccupied with a desire to be thinner. .722
I think about burning up calories when I exercise. .663
I feel that other people think that I am too thin.
I am preoccupied with the thought of having fat on my
body.
.683
I take longer than others to eat my meals.
I avoid foods with sugar in them. .464
I eat diet foods. .693
I feel that food controls my life. .697
I display self-control around food.
I feel that others pressure me to eat. .477
I give too much time and thought to food. .788
I feel uncomfortable eating sweets. .626
I engage in dieting behavior. .621
I like my stomach to be empty. .688
I have impulses to vomit after meals. .620
I enjoy trying new rich foods.
GREEK LIFE AND SOCIAL PRESSURE ON EATING 13
References
Basow, S. A., Foran, K. A., & Bookwala, J. (2007). Body objectification, social pressure, and
disordered eating behavior in college women: The role of sorority
membership. Psychology of Women Quarterly, 31(4), 394-400
Corning, A.F., Krumm, A.J., & Smitham, L.A. (2006). Differential social comparison processes
in women with and without eating disorder symptoms. Journal of Counseling
Psychology, 53(3), 338-349.
Crandall, C. S. (1988). Social contagion of binge eating. Journal of Personality and Social
Psychology, 55(4), 588-598.
Cresanti-Daknis, T. (1997). Social comparison theory: A revision and clarification. Available
from PsycINFO. (619259870; 1997-95021-161).
Garner et al., (1982). Psychological Medicine, 12, 871-878
Lindner, D., Hughes, A., & Fahy, R. (2008). Eating pathology and social comparison in college
females. North American Journal of Psychology, 10(3), 445-462.
Snyder, M. (1974). Self-monitoring of expressive behavior. Journal of personality and social
psychology, 30(4), 526.
GREEK LIFE AND SOCIAL PRESSURE ON EATING 14
Reliability
Notes
Output Created 01-MAY-2015 11:59:18
Comments
Input Data /Users/rksmith499/Desktop
/ORIGINAL.sav
Active Dataset DataSet1
Filter <none>
Weight <none>
Split File <none>
N of Rows in
Working Data File
69
Matrix Input /Users/rksmith499/Desktop
/ORIGINAL.sav
Missing Value
Handling
Definition of Missing User-defined missing
values are treated as
missing.
Cases Used Statistics are based on all
cases with valid data for all
variables in the procedure.
Syntax RELIABILITY
/VARIABLES=Q3 Q5 Q6
Q7 Q8 Q9 Q10 Q11 Q12
Q14 Q15 Q16 Q17 Q18
Q19 Q20 Q21 Q22 Q23
Q24 Q25 Q26 Q27 Q28
Q29
/SCALE('ALL
VARIABLES') ALL
/MODEL=ALPHA
/STATISTICS=DESCRIPTI
VE SCALE
/SUMMARY=TOTAL.
Resources Processor Time 00:00:00.02
Elapsed Time 00:00:00.00
GREEK LIFE AND SOCIAL PRESSURE ON EATING 15
[DataSet1] /Users/rksmith499/Desktop/ORIGINAL.sav
Reliability
Notes
Output Created 01-MAY-2015 13:23:08
Comments
Input Data /Users/rksmith499/Desktop
/ORIGINAL.sav
Active Dataset DataSet1
Filter <none>
Weight <none>
Split File <none>
N of Rows in
Working Data File
69
Matrix Input
Missing Value
Handling
Definition of Missing User-defined missing
values are treated as
missing.
Cases Used Statistics are based on all
cases with valid data for all
variables in the procedure.
GREEK LIFE AND SOCIAL PRESSURE ON EATING 16
Syntax RELIABILITY
/VARIABLES=Q3 Q5 Q6
Q7 Q8 Q9 Q10 Q11 Q12
Q14 Q15 Q16 Q17 Q18
Q19 Q20 Q21 Q22 Q23
Q24 Q25 Q26 Q27 Q28
Q29
/SCALE('ALL
VARIABLES') ALL
/MODEL=ALPHA
/STATISTICS=DESCRIPTI
VE SCALE
/SUMMARY=TOTAL.
Resources Processor Time 00:00:00.02
Elapsed Time 00:00:00.00
Scale: ALL VARIABLES
Case Processing Summary
N %
Cases Valid 48 69.6
Excludeda
21 30.4
Total 69 100.0
a. Listwise deletion based on all variables in
the procedure.
Reliability Statistics
Cronbach's
Alpha N of Items
.399 25
GREEK LIFE AND SOCIAL PRESSURE ON EATING 17
Item Statistics
Mean Std. Deviation N
I find it hard to
imitate the behavior
of other people.
(1=Disagree,
5=Agree)
1.94 .998 48
My behavior is
usually an
expression of my
true inner feelings,
attitudes, and
beliefs. (1=Disagr...
3.92 .964 48
At parties and
social gatherings, I
do not attempt to do
or say things that
others will like.
(1=...
2.65 1.158 48
I can only argue for
ideas which I
already believe.
(1=Disagree,
5=Agree)
2.83 1.310 48
I can make
impromptu
speeches even on
topics about which I
have almost no
information.
(1=Disagre...
3.15 1.304 48
I guess I put on a
show to impress or
entertain other
people.
(1=Disagree,
5=Agree)
2.29 1.148 48
GREEK LIFE AND SOCIAL PRESSURE ON EATING 18
When I am
uncertain how to
act in a social
situation, I look to
the behavior of
others for cues ....
3.10 1.356 48
I would probably
make a good actor.
(1=Disagree,
5=Agree)
2.98 1.360 48
I rarely seek the
advice of my friends
to choose movies,
books, or music.
(1=Disagree,
5=Agree)
2.60 1.198 48
I sometimes appear
to others to be
experiencing
deeper emotions
than I actually am.
(1=Disagree,...
2.46 1.254 48
I laugh more when I
watch a comedy
with others than
when alone.
(1=Disagree,
5=Agree)
2.81 1.299 48
In groups of people,
I am rarely the
center of attention.
(1=Disagree,
5=Agree)
2.65 1.082 48
In different
situations with
different people, I
often act like very
different persons.
(1=Disagr...
2.56 1.165 48
GREEK LIFE AND SOCIAL PRESSURE ON EATING 19
I am not particularly
good at making
other people like
me. (1=Disagree,
5=Agree)
1.85 1.185 48
Even if I am not
enjoying myself, I
often pretend to be
having a good time.
(1=Disagree,
5=Agree)
2.71 1.129 48
I am not always the
person I appear to
be. (1=Disagree,
5=Agree)
2.40 1.162 48
I would not change
my opinion (or the
way I do things) in
order to please
someone else or
win the...
3.38 1.265 48
I have considered
being an
entertainer.
(1=Disagree,
5=Agree)
2.50 1.384 48
In order to get
along and be liked,
I tend to be what
people expect me
to be rather than
anything...
2.02 .863 48
I have never been
good at games like
charades or
improvisational
acting.
(1=Disagree,
5=Agree)
2.33 1.260 48
GREEK LIFE AND SOCIAL PRESSURE ON EATING 20
I have trouble
changing my
behavior to suit
different people and
different situations.
(1=Disagre...
2.00 .945 48
At a party, I let
others keep the
jokes and stories
going. (1=Disagree,
5=Agree)
2.58 1.088 48
I feel a bit awkward
in company and do
not show up quite
as well as I should.
(1=Disagree,
5=Agree)
2.02 1.246 48
I can look anyone in
the eye and tell a lie
with a straight face
(if for a right end).
(1=Disagre...
3.10 1.292 48
I may deceive
people by being
friendly when I
really dislike them.
(1=Disagree,
5=Agree)
3.15 1.255 48
Item-Total Statistics
Scale Mean if
Item Deleted
Scale Variance
if Item Deleted
Corrected Item-
Total
Correlation
Cronbach's
Alpha if Item
Deleted
I find it hard to
imitate the behavior
of other people.
(1=Disagree,
5=Agree)
64.04 54.509 .156 .380
GREEK LIFE AND SOCIAL PRESSURE ON EATING 21
My behavior is
usually an
expression of my
true inner feelings,
attitudes, and
beliefs. (1=Disagr...
62.06 57.464 -.040 .413
At parties and
social gatherings, I
do not attempt to
do or say things
that others will like.
(1=...
63.33 56.993 -.030 .415
I can only argue for
ideas which I
already believe.
(1=Disagree,
5=Agree)
63.15 55.276 .042 .403
I can make
impromptu
speeches even on
topics about which I
have almost no
information.
(1=Disagre...
62.83 61.589 -.268 .468
I guess I put on a
show to impress or
entertain other
people.
(1=Disagree,
5=Agree)
63.69 52.219 .257 .357
When I am
uncertain how to
act in a social
situation, I look to
the behavior of
others for cues ....
62.88 52.665 .168 .373
I would probably
make a good actor.
(1=Disagree,
5=Agree)
63.00 55.447 .025 .407
GREEK LIFE AND SOCIAL PRESSURE ON EATING 22
I rarely seek the
advice of my
friends to choose
movies, books, or
music.
(1=Disagree,
5=Agree)
63.38 53.176 .183 .372
I sometimes appear
to others to be
experiencing
deeper emotions
than I actually am.
(1=Disagree,...
63.52 51.361 .271 .351
I laugh more when I
watch a comedy
with others than
when alone.
(1=Disagree,
5=Agree)
63.17 55.504 .032 .405
In groups of people,
I am rarely the
center of attention.
(1=Disagree,
5=Agree)
63.33 53.504 .198 .371
In different
situations with
different people, I
often act like very
different persons.
(1=Disagr...
63.42 50.801 .340 .339
I am not particularly
good at making
other people like
me. (1=Disagree,
5=Agree)
64.13 51.090 .314 .344
GREEK LIFE AND SOCIAL PRESSURE ON EATING 23
Even if I am not
enjoying myself, I
often pretend to be
having a good time.
(1=Disagree,
5=Agree)
63.27 52.883 .222 .365
I am not always the
person I appear to
be. (1=Disagree,
5=Agree)
63.58 54.631 .106 .388
I would not change
my opinion (or the
way I do things) in
order to please
someone else or
win the...
62.60 60.372 -.212 .455
I have considered
being an
entertainer.
(1=Disagree,
5=Agree)
63.48 55.106 .038 .404
In order to get
along and be liked,
I tend to be what
people expect me
to be rather than
anything...
63.96 54.807 .177 .379
I have never been
good at games like
charades or
improvisational
acting.
(1=Disagree,
5=Agree)
63.65 55.851 .020 .407
I have trouble
changing my
behavior to suit
different people and
different situations.
(1=Disagre...
63.98 53.085 .278 .360
GREEK LIFE AND SOCIAL PRESSURE ON EATING 24
At a party, I let
others keep the
jokes and stories
going. (1=Disagree,
5=Agree)
63.40 51.989 .295 .351
I feel a bit awkward
in company and do
not show up quite
as well as I should.
(1=Disagree,
5=Agree)
63.96 49.615 .378 .326
I can look anyone
in the eye and tell a
lie with a straight
face (if for a right
end). (1=Disagre...
62.88 60.367 -.211 .456
I may deceive
people by being
friendly when I
really dislike them.
(1=Disagree,
5=Agree)
62.83 54.950 .069 .396
Scale Statistics
Mean Variance Std. Deviation N of Items
65.98 57.808 7.603 25
RECODE Q55 (1=6) (2=5) (3=4) (4=3) (5=2) (6=1).
EXECUTE.
RELIABILITY
/VARIABLES=Q30 Q31 Q32 Q33 Q34 Q35 Q36 Q37 Q38 Q39 Q40 Q41 Q42 Q43
Q44 Q45 Q46 Q47 Q48 Q49 Q50 Q51 Q52 Q53 Q54 Q55
/SCALE('ALL VARIABLES') ALL
/MODEL=ALPHA
/STATISTICS=DESCRIPTIVE SCALE
/SUMMARY=TOTAL.
GREEK LIFE AND SOCIAL PRESSURE ON EATING 25
Reliability
Notes
Output Created 01-MAY-2015 13:27:21
Comments
Input Data /Users/rksmith499/Desktop
/ORIGINAL.sav
Active Dataset DataSet1
Filter <none>
Weight <none>
Split File <none>
N of Rows in
Working Data File
69
Matrix Input
Missing Value
Handling
Definition of Missing User-defined missing
values are treated as
missing.
Cases Used Statistics are based on all
cases with valid data for all
variables in the procedure.
Syntax RELIABILITY
/VARIABLES=Q30 Q31
Q32 Q33 Q34 Q35 Q36
Q37 Q38 Q39 Q40 Q41
Q42 Q43 Q44 Q45 Q46
Q47 Q48 Q49 Q50 Q51
Q52 Q53 Q54 Q55
/SCALE('ALL
VARIABLES') ALL
/MODEL=ALPHA
/STATISTICS=DESCRIPTI
VE SCALE
/SUMMARY=TOTAL.
GREEK LIFE AND SOCIAL PRESSURE ON EATING 26
Resources Processor Time 00:00:00.02
Elapsed Time 00:00:00.00
Scale: ALL VARIABLES
Case Processing Summary
N %
Cases Valid 46 66.7
Excludeda
23 33.3
Total 69 100.0
a. Listwise deletion based on all variables in
the procedure.
Reliability Statistics
Cronbach's
Alpha N of Items
.908 26
Item Statistics
Mean Std. Deviation N
I am terrified about
being overweight.
3.57 1.734 46
I avoid eating when
I am hungry.
5.00 1.011 46
I find myself
preoccupied with
food.
3.98 1.498 46
GREEK LIFE AND SOCIAL PRESSURE ON EATING 27
I have gone on
eating binges
where I feel that I
may not be able to
stop.
4.96 1.115 46
I cut my food into
small pieces.
4.61 1.164 46
I am aware of the
calorie content of
foods that I eat.
3.59 1.668 46
I particularly avoid
food with a high
carbohydrate
content (i.e. bread,
rice, potatoes, etc.)
4.22 1.397 46
I feel that others
would prefer if I ate
more.
5.28 1.004 46
I vomit after I have
eaten.
5.76 .603 46
I feel extremely
guilty after eating.
4.61 1.308 46
I am preoccupied
with a desire to be
thinner.
3.93 1.638 46
I think about
burning up calories
when I exercise.
3.00 1.592 46
I feel that other
people think that I
am too thin.
5.37 .974 46
I am preoccupied
with the thought of
having fat on my
body.
3.87 1.572 46
I take longer than
others to eat my
meals.
4.70 1.280 46
I avoid foods with
sugar in them.
4.50 1.225 46
GREEK LIFE AND SOCIAL PRESSURE ON EATING 28
I eat diet foods. 4.65 1.337 46
I feel that food
controls my life.
4.67 1.399 46
I display self-control
around food.
3.80 1.088 46
I feel that others
pressure me to eat.
5.43 .860 46
I give too much
time and thought to
food.
4.26 1.639 46
I feel uncomfortable
eating sweets.
4.83 1.403 46
I engage in dieting
behavior.
4.33 1.536 46
I like my stomach to
be empty.
4.93 1.237 46
I have impulses to
vomit after meals.
5.74 .713 46
I enjoy trying new
rich foods.
4.48 1.295 46
Item-Total Statistics
Scale Mean if
Item Deleted
Scale Variance
if Item Deleted
Corrected Item-
Total
Correlation
Cronbach's
Alpha if Item
Deleted
I am terrified about
being overweight.
114.50 312.211 .641 .902
I avoid eating when
I am hungry.
113.07 324.551 .794 .901
I find myself
preoccupied with
food.
114.09 327.948 .448 .906
I have gone on
eating binges
where I feel that I
may not be able to
stop.
113.11 336.055 .421 .906
GREEK LIFE AND SOCIAL PRESSURE ON EATING 29
I cut my food into
small pieces.
113.46 345.498 .177 .911
I am aware of the
calorie content of
foods that I eat.
114.48 322.300 .491 .906
I particularly avoid
food with a high
carbohydrate
content (i.e. bread,
rice, potatoes, etc.)
113.85 321.910 .611 .903
I feel that others
would prefer if I ate
more.
112.78 333.329 .550 .905
I vomit after I have
eaten.
112.30 341.950 .547 .906
I feel extremely
guilty after eating.
113.46 315.543 .802 .899
I am preoccupied
with a desire to be
thinner.
114.13 313.094 .668 .901
I think about
burning up calories
when I exercise.
115.07 316.062 .635 .902
I feel that other
people think that I
am too thin.
112.70 347.416 .169 .910
I am preoccupied
with the thought of
having fat on my
body.
114.20 316.072 .643 .902
I take longer than
others to eat my
meals.
113.37 343.705 .193 .911
I avoid foods with
sugar in them.
113.57 333.407 .438 .906
I eat diet foods. 113.41 320.826 .666 .902
I feel that food
controls my life.
113.39 320.555 .639 .902
I display self-control
around food.
114.26 351.797 .037 .912
GREEK LIFE AND SOCIAL PRESSURE ON EATING 30
I feel that others
pressure me to eat.
112.63 340.460 .419 .907
I give too much
time and thought to
food.
113.80 309.583 .732 .900
I feel uncomfortable
eating sweets.
113.24 323.075 .584 .903
I engage in dieting
behavior.
113.74 320.419 .577 .904
I like my stomach to
be empty.
113.13 325.805 .609 .903
I have impulses to
vomit after meals.
112.33 339.291 .560 .906
I enjoy trying new
rich foods.
113.59 350.159 .055 .913
Scale Statistics
Mean Variance Std. Deviation N of Items
118.07 354.507 18.828 26
Notes
Output Created 01-MAY-2015 13:43:51
Comments
Input Data /Users/rksmith499/Desktop
/ORIGINAL.sav
Active Dataset DataSet1
Filter <none>
Weight <none>
Split File <none>
N of Rows in
Working Data File
69
GREEK LIFE AND SOCIAL PRESSURE ON EATING 31
Missing Value
Handling
Definition of Missing User-defined missing
values for dependent
variables are treated as
missing.
Cases Used Statistics are based on
cases with no missing
values for any dependent
variable or factor used.
Syntax EXAMINE
VARIABLES=ZRE_1
/PLOT BOXPLOT
STEMLEAF NPPLOT
/COMPARE GROUPS
/STATISTICS
DESCRIPTIVES
/CINTERVAL 95
/MISSING LISTWISE
/NOTOTAL.
Resources Processor Time 00:00:01.61
Elapsed Time 00:00:04.00
Case Processing Summary
Cases
Valid Missing Total
N Percent N Percent N Percent
Standardized
Residual
48 69.6% 21 30.4% 69 100.0%
Descriptives
Statistic Std. Error
Standardized
Residual
Mean .0000000 .14123317
95% Confidence
Interval for Mean
Lower Bound -.2841245
Upper Bound .2841245
5% Trimmed Mean .0220701
Median -.0520760
GREEK LIFE AND SOCIAL PRESSURE ON EATING 32
Variance .957
Std. Deviation .97849211
Minimum -2.81748
Maximum 2.01813
Range 4.83562
Interquartile Range 1.64637
Skewness -.381 .343
Kurtosis .090 .674
Tests of Normality
Kolmogorov-Smirnova
Shapiro-Wilk
Statistic df Sig. Statistic df Sig.
Standardized
Residual
.069 48 .200*
.978 48 .512
*. This is a lower bound of the true significance.
a. Lilliefors Significance Correction
Standardized Residual
Standardized Residual Stem-and-Leaf Plot
Frequency Stem & Leaf
1.00 -2 . 8
8.00 -1 . 01111345
16.00 -0 . 0011112233348888
16.00 0 . 0123345566689999
6.00 1 . 011234
1.00 2 . 0
Stem width: 1.00000
Each leaf: 1 case(s)
GREEK LIFE AND SOCIAL PRESSURE ON EATING 33
GREEK LIFE AND SOCIAL PRESSURE ON EATING 34
GREEK LIFE AND SOCIAL PRESSURE ON EATING 35
Factor Analysis
Notes
Output Created 01-MAY-2015 14:16:21
Comments
Input Data /Users/rksmith499/Desktop
/ORIGINAL.sav
Active Dataset DataSet1
Filter <none>
Weight <none>
Split File <none>
GREEK LIFE AND SOCIAL PRESSURE ON EATING 36
N of Rows in
Working Data File
69
Missing Value
Handling
Definition of Missing MISSING=EXCLUDE:
User-defined missing
values are treated as
missing.
Cases Used LISTWISE: Statistics are
based on cases with no
missing values for any
variable used.
Syntax FACTOR
/VARIABLES Q3 Q5 Q6
Q7 Q8 Q9 Q10 Q11 Q12
Q14 Q15 Q16 Q17 Q18
Q19 Q20 Q21 Q22 Q23
Q24 Q25 Q26 Q27 Q28
Q29
/MISSING LISTWISE
/ANALYSIS Q3 Q5 Q6 Q7
Q8 Q9 Q10 Q11 Q12 Q14
Q15 Q16 Q17 Q18 Q19
Q20 Q21 Q22 Q23 Q24
Q25 Q26 Q27 Q28 Q29
/PRINT INITIAL
EXTRACTION ROTATION
/FORMAT BLANK(.3)
/PLOT EIGEN
/CRITERIA FACTORS(1)
ITERATE(25)
/EXTRACTION PC
/CRITERIA ITERATE(50)
/ROTATION VARIMAX
/METHOD=CORRELATIO
N.
Resources Processor Time 00:00:00.26
Elapsed Time 00:00:01.00
Maximum Memory
Required
74408 (72.664K) bytes
GREEK LIFE AND SOCIAL PRESSURE ON EATING 37
Communalities
Initial Extraction
I find it hard to
imitate the behavior
of other people.
(1=Disagree,
5=Agree)
1.000 .271
My behavior is
usually an
expression of my
true inner feelings,
attitudes, and
beliefs. (1=Disagr...
1.000 .064
At parties and
social gatherings, I
do not attempt to do
or say things that
others will like.
(1=...
1.000 .161
I can only argue for
ideas which I
already believe.
(1=Disagree,
5=Agree)
1.000 .000
I can make
impromptu
speeches even on
topics about which I
have almost no
information.
(1=Disagre...
1.000 .346
I guess I put on a
show to impress or
entertain other
people.
(1=Disagree,
5=Agree)
1.000 .023
GREEK LIFE AND SOCIAL PRESSURE ON EATING 38
When I am
uncertain how to act
in a social situation,
I look to the
behavior of others
for cues ....
1.000 .231
I would probably
make a good actor.
(1=Disagree,
5=Agree)
1.000 .154
I rarely seek the
advice of my friends
to choose movies,
books, or music.
(1=Disagree,
5=Agree)
1.000 .004
I sometimes appear
to others to be
experiencing
deeper emotions
than I actually am.
(1=Disagree,...
1.000 .067
I laugh more when I
watch a comedy
with others than
when alone.
(1=Disagree,
5=Agree)
1.000 .004
In groups of people,
I am rarely the
center of attention.
(1=Disagree,
5=Agree)
1.000 .553
In different
situations with
different people, I
often act like very
different persons.
(1=Disagr...
1.000 .030
GREEK LIFE AND SOCIAL PRESSURE ON EATING 39
I am not particularly
good at making
other people like
me. (1=Disagree,
5=Agree)
1.000 .096
Even if I am not
enjoying myself, I
often pretend to be
having a good time.
(1=Disagree,
5=Agree)
1.000 .045
I am not always the
person I appear to
be. (1=Disagree,
5=Agree)
1.000 .185
I would not change
my opinion (or the
way I do things) in
order to please
someone else or
win the...
1.000 .105
I have considered
being an
entertainer.
(1=Disagree,
5=Agree)
1.000 .190
In order to get along
and be liked, I tend
to be what people
expect me to be
rather than
anything...
1.000 .130
I have never been
good at games like
charades or
improvisational
acting.
(1=Disagree,
5=Agree)
1.000 .293
GREEK LIFE AND SOCIAL PRESSURE ON EATING 40
I have trouble
changing my
behavior to suit
different people and
different situations.
(1=Disagre...
1.000 .037
At a party, I let
others keep the
jokes and stories
going. (1=Disagree,
5=Agree)
1.000 .440
I feel a bit awkward
in company and do
not show up quite
as well as I should.
(1=Disagree,
5=Agree)
1.000 .644
I can look anyone in
the eye and tell a lie
with a straight face
(if for a right end).
(1=Disagre...
1.000 .002
I may deceive
people by being
friendly when I
really dislike them.
(1=Disagree,
5=Agree)
1.000 .013
GREEK LIFE AND SOCIAL PRESSURE ON EATING 41
Extraction Method: Principal Component
Analysis.
Extraction Method: Principal Component Analysis.
Total Variance Explained
Component
Initial Eigenvalues Extraction Sums of Squared Loadings
Total % of Variance Cumulative % Total % of Variance Cumulative %
1 4.089 16.356 16.356 4.089 16.356 16.356
2 2.608 10.433 26.789
3 2.455 9.819 36.608
4 2.329 9.317 45.925
5 1.878 7.512 53.437
6 1.509 6.035 59.472
7 1.224 4.897 64.369
8 1.155 4.620 68.989
9 1.079 4.318 73.307
10 .950 3.801 77.108
11 .819 3.278 80.386
12 .810 3.240 83.626
13 .685 2.738 86.364
14 .582 2.327 88.691
15 .557 2.227 90.917
16 .422 1.687 92.605
17 .347 1.388 93.993
18 .306 1.224 95.217
19 .271 1.084 96.302
20 .240 .961 97.263
21 .200 .802 98.064
22 .167 .668 98.732
23 .138 .553 99.285
24 .104 .416 99.701
25 .075 .299 100.000
GREEK LIFE AND SOCIAL PRESSURE ON EATING 42
Component Matrixa
Component
1
I find it hard to
imitate the behavior
of other people.
(1=Disagree,
5=Agree)
.520
My behavior is
usually an
expression of my
true inner feelings,
attitudes, and
beliefs. (1=Disagr...
GREEK LIFE AND SOCIAL PRESSURE ON EATING 43
At parties and social
gatherings, I do not
attempt to do or say
things that others
will like. (1=...
-.402
I can only argue for
ideas which I
already believe.
(1=Disagree,
5=Agree)
I can make
impromptu
speeches even on
topics about which I
have almost no
information.
(1=Disagre...
-.589
I guess I put on a
show to impress or
entertain other
people.
(1=Disagree,
5=Agree)
When I am
uncertain how to act
in a social situation,
I look to the
behavior of others
for cues ....
.481
I would probably
make a good actor.
(1=Disagree,
5=Agree)
-.393
I rarely seek the
advice of my friends
to choose movies,
books, or music.
(1=Disagree,
5=Agree)
GREEK LIFE AND SOCIAL PRESSURE ON EATING 44
I sometimes appear
to others to be
experiencing
deeper emotions
than I actually am.
(1=Disagree,...
I laugh more when I
watch a comedy
with others than
when alone.
(1=Disagree,
5=Agree)
In groups of people,
I am rarely the
center of attention.
(1=Disagree,
5=Agree)
.743
In different
situations with
different people, I
often act like very
different persons.
(1=Disagr...
I am not particularly
good at making
other people like
me. (1=Disagree,
5=Agree)
.310
Even if I am not
enjoying myself, I
often pretend to be
having a good time.
(1=Disagree,
5=Agree)
I am not always the
person I appear to
be. (1=Disagree,
5=Agree)
.430
GREEK LIFE AND SOCIAL PRESSURE ON EATING 45
I would not change
my opinion (or the
way I do things) in
order to please
someone else or
win the...
-.324
I have considered
being an
entertainer.
(1=Disagree,
5=Agree)
-.436
In order to get along
and be liked, I tend
to be what people
expect me to be
rather than
anything...
.360
I have never been
good at games like
charades or
improvisational
acting. (1=Disagree,
5=Agree)
.542
I have trouble
changing my
behavior to suit
different people and
different situations.
(1=Disagre...
At a party, I let
others keep the
jokes and stories
going. (1=Disagree,
5=Agree)
.664
I feel a bit awkward
in company and do
not show up quite
as well as I should.
(1=Disagree,
5=Agree)
.803
GREEK LIFE AND SOCIAL PRESSURE ON EATING 46
I can look anyone in
the eye and tell a lie
with a straight face
(if for a right end).
(1=Disagre...
I may deceive
people by being
friendly when I
really dislike them.
(1=Disagree,
5=Agree)
Extraction Method: Principal
Component Analysis.a
a. 1 components extracted.
Rotated
Component
Matrixa
a. Only one
component was
extracted. The
solution cannot
be rotated.
FACTOR
/VARIABLES Q30 Q31 Q32 Q33 Q34 Q35 Q36 Q37 Q38 Q39 Q40 Q41 Q42 Q43 Q44
Q45 Q46 Q47 Q48 Q49 Q50 Q51 Q52 Q53 Q54 Q55
/MISSING LISTWISE
/ANALYSIS Q30 Q31 Q32 Q33 Q34 Q35 Q36 Q37 Q38 Q39 Q40 Q41 Q42 Q43 Q44
Q45 Q46 Q47 Q48 Q49 Q50 Q51 Q52 Q53 Q54 Q55
/PRINT INITIAL EXTRACTION ROTATION
/FORMAT BLANK(.3)
/PLOT EIGEN
/CRITERIA FACTORS(1) ITERATE(25)
/EXTRACTION PC
/CRITERIA ITERATE(50)
GREEK LIFE AND SOCIAL PRESSURE ON EATING 47
/ROTATION VARIMAX
/METHOD=CORRELATION.
Factor Analysis
Notes
Output Created 01-MAY-2015 14:18:02
Comments
Input Data /Users/rksmith499/Desktop
/ORIGINAL.sav
Active Dataset DataSet1
Filter <none>
Weight <none>
Split File <none>
N of Rows in
Working Data File
69
Missing Value
Handling
Definition of Missing MISSING=EXCLUDE:
User-defined missing
values are treated as
missing.
Cases Used LISTWISE: Statistics are
based on cases with no
missing values for any
variable used.
GREEK LIFE AND SOCIAL PRESSURE ON EATING 48
Syntax FACTOR
/VARIABLES Q30 Q31
Q32 Q33 Q34 Q35 Q36
Q37 Q38 Q39 Q40 Q41
Q42 Q43 Q44 Q45 Q46
Q47 Q48 Q49 Q50 Q51
Q52 Q53 Q54 Q55
/MISSING LISTWISE
/ANALYSIS Q30 Q31 Q32
Q33 Q34 Q35 Q36 Q37
Q38 Q39 Q40 Q41 Q42
Q43 Q44 Q45 Q46 Q47
Q48 Q49 Q50 Q51 Q52
Q53 Q54 Q55
/PRINT INITIAL
EXTRACTION ROTATION
/FORMAT BLANK(.3)
/PLOT EIGEN
/CRITERIA FACTORS(1)
ITERATE(25)
/EXTRACTION PC
/CRITERIA ITERATE(50)
/ROTATION VARIMAX
/METHOD=CORRELATIO
N.
Resources Processor Time 00:00:00.17
Elapsed Time 00:00:00.00
Maximum Memory
Required
80184 (78.305K) bytes
Communalities
Initial Extraction
I am terrified about
being overweight.
1.000 .473
I avoid eating when
I am hungry.
1.000 .699
GREEK LIFE AND SOCIAL PRESSURE ON EATING 49
I find myself
preoccupied with
food.
1.000 .289
I have gone on
eating binges where
I feel that I may not
be able to stop.
1.000 .233
I cut my food into
small pieces.
1.000 .033
I am aware of the
calorie content of
foods that I eat.
1.000 .284
I particularly avoid
food with a high
carbohydrate
content (i.e. bread,
rice, potatoes, etc.)
1.000 .438
I feel that others
would prefer if I ate
more.
1.000 .365
I vomit after I have
eaten.
1.000 .350
I feel extremely
guilty after eating.
1.000 .725
I am preoccupied
with a desire to be
thinner.
1.000 .521
I think about
burning up calories
when I exercise.
1.000 .439
I feel that other
people think that I
am too thin.
1.000 .049
I am preoccupied
with the thought of
having fat on my
body.
1.000 .467
GREEK LIFE AND SOCIAL PRESSURE ON EATING 50
I take longer than
others to eat my
meals.
1.000 .037
I avoid foods with
sugar in them.
1.000 .215
I eat diet foods. 1.000 .480
I feel that food
controls my life.
1.000 .486
I display self-control
around food.
1.000 .001
I feel that others
pressure me to eat.
1.000 .228
I give too much time
and thought to food.
1.000 .621
I feel uncomfortable
eating sweets.
1.000 .392
I engage in dieting
behavior.
1.000 .385
I like my stomach to
be empty.
1.000 .474
I have impulses to
vomit after meals.
1.000 .384
I enjoy trying new
rich foods.
1.000 .004
GREEK LIFE AND SOCIAL PRESSURE ON EATING 51
Extraction Method: Principal Component
Analysis.
Extraction Method: Principal Component Analysis.
Total Variance Explained
Component
Initial Eigenvalues Extraction Sums of Squared Loadings
Total % of Variance Cumulative % Total % of Variance Cumulative %
1 9.072 34.894 34.894 9.072 34.894 34.894
2 3.234 12.437 47.331
3 2.032 7.814 55.144
4 1.658 6.378 61.523
5 1.416 5.446 66.969
6 1.232 4.740 71.709
7 .993 3.821 75.530
8 .919 3.534 79.064
9 .780 2.998 82.062
10 .664 2.554 84.616
11 .550 2.114 86.730
12 .542 2.086 88.817
13 .498 1.916 90.732
14 .458 1.762 92.494
15 .368 1.414 93.908
16 .284 1.092 95.001
17 .274 1.055 96.056
18 .233 .897 96.953
19 .202 .777 97.730
20 .158 .606 98.336
21 .115 .444 98.780
22 .094 .360 99.140
23 .079 .302 99.442
24 .054 .207 99.649
25 .052 .200 99.849
26 .039 .151 100.000
GREEK LIFE AND SOCIAL PRESSURE ON EATING 52
Component Matrixa
Component
1
I am terrified about
being overweight.
.688
I avoid eating when
I am hungry.
.836
I find myself
preoccupied with
food.
.537
I have gone on
eating binges where
I feel that I may not
be able to stop.
.483
GREEK LIFE AND SOCIAL PRESSURE ON EATING 53
I cut my food into
small pieces.
I am aware of the
calorie content of
foods that I eat.
.533
I particularly avoid
food with a high
carbohydrate
content (i.e. bread,
rice, potatoes, etc.)
.662
I feel that others
would prefer if I ate
more.
.604
I vomit after I have
eaten.
.592
I feel extremely
guilty after eating.
.852
I am preoccupied
with a desire to be
thinner.
.722
I think about
burning up calories
when I exercise.
.663
I feel that other
people think that I
am too thin.
I am preoccupied
with the thought of
having fat on my
body.
.683
I take longer than
others to eat my
meals.
I avoid foods with
sugar in them.
.464
I eat diet foods. .693
I feel that food
controls my life.
.697
I display self-control
around food.
GREEK LIFE AND SOCIAL PRESSURE ON EATING 54
I feel that others
pressure me to eat.
.477
I give too much time
and thought to food.
.788
I feel uncomfortable
eating sweets.
.626
I engage in dieting
behavior.
.621
I like my stomach to
be empty.
.688
I have impulses to
vomit after meals.
.620
I enjoy trying new
rich foods.
Extraction Method: Principal
Component Analysis.a
a. 1 components extracted.
Rotated
Component
Matrixa
a. Only one
component was
extracted. The
solution cannot
be rotated.
FACTOR
/VARIABLES Q30 Q31 Q32 Q33 Q34 Q35 Q36 Q37 Q38 Q39 Q40 Q41 Q42 Q43 Q44
Q45 Q46 Q47 Q48 Q49 Q50 Q51 Q52 Q53 Q54 Q55
/MISSING LISTWISE
/ANALYSIS Q30 Q31 Q32 Q33 Q34 Q35 Q36 Q37 Q38 Q39 Q40 Q41 Q42 Q43 Q44
Q45 Q46 Q47 Q48 Q49 Q50 Q51 Q52 Q53 Q54 Q55
/PRINT INITIAL EXTRACTION ROTATION
/FORMAT BLANK(.3)
/PLOT EIGEN
GREEK LIFE AND SOCIAL PRESSURE ON EATING 55
/CRITERIA FACTORS(1) ITERATE(50)
/EXTRACTION PC
/CRITERIA ITERATE(50)
/ROTATION VARIMAX
/METHOD=CORRELATION.
Regression
Notes
Output Created 01-MAY-2015 14:21:59
Comments
Input Data /Users/rksmith499/Desktop
/ORIGINAL.sav
Active Dataset DataSet1
Filter <none>
Weight <none>
Split File <none>
N of Rows in
Working Data File
69
Missing Value
Handling
Definition of Missing User-defined missing
values are treated as
missing.
Cases Used Statistics are based on
cases with no missing
values for any variable
used.
GREEK LIFE AND SOCIAL PRESSURE ON EATING 56
Syntax REGRESSION
/MISSING LISTWISE
/STATISTICS COEFF
OUTS R ANOVA COLLIN
TOL
/CRITERIA=PIN(.05)
POUT(.10)
/NOORIGIN
/DEPENDENT EatingBeh
/METHOD=ENTER Q1
/SAVE ZRESID.
Resources Processor Time 00:00:00.01
Elapsed Time 00:00:00.00
Memory Required 4528 bytes
Additional Memory
Required for
Residual Plots
0 bytes
Variables Created
or Modified
ZRE_2
Standardized Residual
Variables Entered/Removeda
Model
Variables
Entered
Variables
Removed Method
1 Are you
involved in a
Greek-affiliated
organization?b
. Enter
a. Dependent Variable: EatingBeh
b. All requested variables entered.
Model Summaryb
Model R R Square
Adjusted R
Square
Std. Error of
the Estimate
1 .508a
.258 .242 .64118
GREEK LIFE AND SOCIAL PRESSURE ON EATING 57
a. Predictors: (Constant), Are you involved in a Greek-affiliated
organization?
b. Dependent Variable: EatingBeh
ANOVAa
Model
Sum of
Squares df Mean Square F Sig.
1 Regression 6.582 1 6.582 16.010 .000b
Residual 18.911 46 .411
Total 25.493 47
a. Dependent Variable: EatingBeh
b. Predictors: (Constant), Are you involved in a Greek-affiliated organization?
Coefficientsa
Model
Unstandardized
Coefficients
Standardize
d
Coefficients
t Sig.
Collinearity
Statistics
B Std. Error Beta Tolerance VIF
1 (Constant) 3.388 .297 11.424 .000
Are you
involved in a
Greek-affiliated
organization?
.741 .185 .508 4.001 .000 1.000 1.000
a. Dependent Variable: EatingBeh
Collinearity Diagnosticsa
Model Dimension Eigenvalue Condition Index
Variance Proportions
(Constant)
Are you
involved in a
Greek-affiliated
organization?
1 1 1.950 1.000 .02 .02
GREEK LIFE AND SOCIAL PRESSURE ON EATING 58
2 .050 6.249 .98 .98
a. Dependent Variable: EatingBeh
Residuals Statisticsa
Minimum Maximum Mean Std. Deviation N
Predicted Value 4.1290 4.8703 4.5151 .37422 48
Residual -1.82134 1.29405 .00000 .63432 48
Std. Predicted
Value
-1.032 .949 .000 1.000 48
Std. Residual -2.841 2.018 .000 .989 48
a. Dependent Variable: EatingBeh
REGRESSION
/MISSING LISTWISE
/STATISTICS COEFF OUTS R ANOVA COLLIN TOL
/CRITERIA=PIN(.05) POUT(.10)
/NOORIGIN
/DEPENDENT EatingBeh
/METHOD=ENTER SocialPressure
/SAVE ZRESID.
Regression
Variables Entered/Removeda
Model
Variables
Entered
Variables
Removed Method
1 Are you
involved in a
Greek-affiliated
organization?b
. Enter
a. Dependent Variable: SocialPressure
b. All requested variables entered.
GREEK LIFE AND SOCIAL PRESSURE ON EATING 59
Model Summaryb
Model R R Square
Adjusted R
Square
Std. Error of
the Estimate
1 .071a
.005 -.012 .33831
a. Predictors: (Constant), Are you involved in a Greek-affiliated
organization?
b. Dependent Variable: SocialPressure
ANOVAa
Model
Sum of
Squares df Mean Square F Sig.
1 Regression .033 1 .033 .287 .594b
Residual 6.524 57 .114
Total 6.557 58
a. Dependent Variable: SocialPressure
b. Predictors: (Constant), Are you involved in a Greek-affiliated organization?
Coefficientsa
Model
Unstandardized
Coefficients
Standardize
d
Coefficients
t Sig.
Collinearity
Statistics
B Std. Error Beta Tolerance VIF
1 (Constant) 2.749 .140 19.632 .000
Are you
involved in a
Greek-affiliated
organization?
-.047 .088 -.071 -.535 .594 1.000 1.000
a. Dependent Variable: SocialPressure
GREEK LIFE AND SOCIAL PRESSURE ON EATING 60
Collinearity Diagnosticsa
Model Dimension Eigenvalue Condition Index
Variance Proportions
(Constant)
Are you
involved in a
Greek-affiliated
organization?
1 1 1.949 1.000 .03 .03
2 .051 6.196 .97 .97
a. Dependent Variable: SocialPressure
Residuals Statisticsa
Minimum Maximum Mean Std. Deviation N
Predicted Value 2.6543 2.7015 2.6775 .02378 59
Residual -.58150 1.34567 .00000 .33538 59
Std. Predicted
Value
-.975 1.008 .000 1.000 59
Std. Residual -1.719 3.978 .000 .991 59
a. Dependent Variable: SocialPressure
GREEK LIFE AND SOCIAL PRESSURE ON EATING 61
Regression
Notes
Output Created 01-MAY-2015 14:24:38
Comments
Input Data /Users/rksmith499/Desktop
/ORIGINAL.sav
Active Dataset DataSet1
Filter <none>
Weight <none>
GREEK LIFE AND SOCIAL PRESSURE ON EATING 62
Split File <none>
N of Rows in
Working Data File
69
Missing Value
Handling
Definition of Missing User-defined missing
values are treated as
missing.
Cases Used Statistics are based on
cases with no missing
values for any variable
used.
Syntax REGRESSION
/MISSING LISTWISE
/STATISTICS COEFF
OUTS R ANOVA COLLIN
TOL
/CRITERIA=PIN(.05)
POUT(.10)
/NOORIGIN
/DEPENDENT EatingBeh
/METHOD=ENTER
SocialPressure Q1
/RESIDUALS
NORMPROB(ZRESID)
/SAVE ZRESID.
Resources Processor Time 00:00:00.20
Elapsed Time 00:00:00.00
Memory Required 5072 bytes
Additional Memory
Required for
Residual Plots
280 bytes
Variables Created
or Modified
ZRE_4
Standardized Residual
Variables Entered/Removeda
Model
Variables
Entered
Variables
Removed Method
GREEK LIFE AND SOCIAL PRESSURE ON EATING 63
1 Are you
involved in a
Greek-affiliated
organization?,
SocialPressure
b
. Enter
a. Dependent Variable: EatingBeh
b. All requested variables entered.
Model Summaryb
Model R R Square
Adjusted R
Square
Std. Error of
the Estimate
1 .514a
.264 .231 .64577
a. Predictors: (Constant), Are you involved in a Greek-affiliated
organization?, SocialPressure
b. Dependent Variable: EatingBeh
ANOVAa
Model
Sum of
Squares df Mean Square F Sig.
1 Regression 6.727 2 3.364 8.066 .001b
Residual 18.766 45 .417
Total 25.493 47
GREEK LIFE AND SOCIAL PRESSURE ON EATING 64
a. Dependent Variable: EatingBeh
b. Predictors: (Constant), Are you involved in a Greek-affiliated organization?,
SocialPressure
a. Dependent Variable: EatingBeh
Collinearity Diagnosticsa
Model Dimension Eigenvalue Condition Index
Variance Proportions
(Constant) SocialPressure
Are you
involved in a
Greek-affiliated
organization?
1 1 2.921 1.000 .00 .00 .01
2 .073 6.305 .01 .04 .85
3 .006 22.554 .98 .96 .14
a. Dependent Variable: EatingBeh
Residuals Statisticsa
Minimum Maximum Mean Std. Deviation N
Predicted Value 4.0392 4.9654 4.5151 .37832 48
Residual -1.81945 1.30326 .00000 .63188 48
Std. Predicted
Value
-1.258 1.190 .000 1.000 48
Std. Residual -2.817 2.018 .000 .978 48
Coefficientsa
Model
Unstandardized
Coefficients
Standardize
d
Coefficients
t Sig.
Collinearity
Statistics
B Std. Error Beta Tolerance VIF
1 (Constant) 3.904 .925 4.221 .000
SocialPressure -.183 .310 -.077 -.590 .558 .967 1.034
Are you
involved in a
Greek-affiliated
organization?
.721 .190 .494 3.801 .000 .967 1.034
GREEK LIFE AND SOCIAL PRESSURE ON EATING 65
a. Dependent Variable: EatingBeh
Charts

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Smith_EatingBehavior_Study

  • 1. Running head: GREEK LIFE AND SOCIAL PRESSURE ON EATING 1 The Relationship Between Involvement in Greek Life and Social Pressure on Eating Behaviors of College Students Rachel Smith University of Southern California
  • 2. GREEK LIFE AND SOCIAL PRESSURE ON EATING 2 Abstract Though previous research has found that being in Greek life and the eating behavior of college students may be significantly related, it has not yet been fully understood why this is. For instance, what exactly is it about being involved in Greek life that is associated with the choices that college students make about their eating habits? This study aimed to assess the relationship between involvement in a Greek organization, and the social pressures created by that, and the eating behaviors of college students. Based on previous literature review, it was hypothesized that involvement in Greek life would be significantly related to the eating behaviors of college students, due to the social pressures that may come with being involved in Greek life. In other words, it was predicted that social pressures would mediate the relationship between Greek life involvement and eating behavior. The participants included a sample of 69 college undergraduates. The participants were administered a survey that assessed their affiliation within a Greek organization, their perceived amount of social pressure, and their habits and behaviors regarding eating. A series of multiple regressions were executed to test the hypothesized meditational model. The results suggested that Greek life is significantly related to the eating habits of college of college students (B=.741, sig=.000); however, social pressures did not seem to mediate that relationship (B=-.047, sig=.594). The results imply that there may be other factors associated with being involved in Greek life that may mediate the relationship between Greek life involvement and eating behavior.
  • 3. GREEK LIFE AND SOCIAL PRESSURE ON EATING 3 The Relationship Between Involvement in Greek Life and Social Pressure on Eating Behaviors of College Students Disordered eating habits are a widely studied concept within the field of psychology. Negative eating behaviors may be exhibited by people of all ages, but it has been suggested through previous research that the prevalence of these disordered behaviors is higher among the college population, and is a significant problem on college campuses. (Linder, Hughes & Fahy, 2008). This higher prevalence may be related to social pressures that students can be faced with. For instance, one study suggests that students in college engage in constant social comparisons, in which their peers directly affect students’ formations of identities (Linder, Hughes & Fahy, 2008). When the study was conducted, the results implied that the negative eating behaviors that were exhibited by the participants were actually independent of the participants’ weights, suggesting that the students may have had distorted perceptions of their own bodies (Linder, Hughes & Fahy, 2008). This study aims to assess the relationship between the involvement in Greek life, and the social pressures created by that involvement, on the eating behaviors and habits of college students. Social Pressure The social comparison theory may play an important role in creating the societal pressures felt by college students, thus helping to explain how these pressures influence the eating behaviors of college students. This theory is used to explain how and why humans assess and establish their own perceptions and abilities (Cresanti-Daknis, 1997). Humans are constantly searching for targets to build comparisons on and often look to their surrounding environment. The problem arises when there is a discrepancy between how a person views their self and how they view others (Corning, Krumm & Smitham 2006). This is the foundational basis of the social
  • 4. GREEK LIFE AND SOCIAL PRESSURE ON EATING 4 comparison theory. Social comparisons may be used to explain the prevalence in the “thin ideal” perceptions of modern day college students. These perceptions may be key components in determining what constitutes high levels of perceived social pressure, therefore possibly helping to explain the factors that lead to disordered eating habits. Constant social comparisons within an individual may create higher levels of social pressure, in which the individual feels the need to change their thoughts or behavior. One way in which an individual may cope with these social pressures is manifest in their eating behaviors. Involvement in Greek Life Additionally, involvement in a membership group, such as those within the collegiate Greek affiliations, may be another factor in determining what influences college students’ eating habits. Within the college environment, involvement in Greek life has been shown to generate social norms and gender roles that may be used to explain the occurrence of negative eating habits in college students. These social norms are created to establish what is appropriate behavior for the members that identify with it (Crandall, 1988). Individuals adjust their behavior to fit that of those around them, thus suggesting that this may have an influence on the eating patterns exhibited by college students. In an interview with an undergraduate student in Greek life, the participant noted that she often finds herself comparing herself to others and that she often engages in dieting behaviors in an attempt to compete with the skinnier girls. One previous study on sorority membership concluded that participants who were a part of a sorority were at higher risk for development of eating disorders, had higher levels of perceived social pressure and higher levels of body consciousness (Basow, Foran & Bookwala, 2007). By creating pressures to be thin and have the “ideal body”, sorority membership may be a factor that contributes to negative eating habits. In another prior study, a direct correlation was
  • 5. GREEK LIFE AND SOCIAL PRESSURE ON EATING 5 found between the eating habits of a participant and those of the participant’s friends (Crandall, 1988). These studies demonstrate the weight that being involved in Greek life may have on the eating behaviors of college students. Based on the previous literature reviews, I have constructed a meditational model, consisting of four main hypotheses, for how Greek life and social pressure may be related to the eating behavior of college students. My first hypothesis is that involvement in a Greek organization will have a significant positive influence on social pressure. Second, I hypothesize that social pressure will have a significant influence on the eating behaviors of college students. My third hypothesis is that involvement in Greek life will significantly influence eating behaviors. Lastly, I hypothesize that social pressure will act as a significant mediating variable on the relationship between Greek affiliation and eating behaviors. Methods Participants The participant pool consisted of 69 undergraduate college students. Participants were recruited online via Facebook. Both Greek-affiliated and non Greek-affiliated undergraduates were encouraged to participate in this study. The age of the participants was not asked for, but given that the participants were undergraduates in college, the ages were between approximately 18-22. In light of the fact that gender was not a variable that was relevant in this study, both males and females could have completed the survey; the gender of the participant was not asked in the questionnaire. Instruments The study was executed through the use of a Qualtrics survey. The first part of the survey consisted of a question establishing the participants’ involvement in Greek life or not. The next
  • 6. GREEK LIFE AND SOCIAL PRESSURE ON EATING 6 portion of the survey assessed the presence of social pressures in the participants’ lives. These questions came from the Self Monitoring Scale (Snyder, 1974). This scale is designed to assess the extent to which a person engages in intentional impression management strategies when in social situations (Snyder, 1974). Some examples of items in this scale are: “I find it hard to imitate the behavior of other people” and “ Even if I am not enjoying myself, I often pretend to be” (Snyder, 1974). The last part of the survey assessed the participants’ eating habits and behaviors. These questions came from The Eating Attitudes Test (Garner et al., 1982). This is a standardized self-report questionnaire that analyzes some of the socio-cultural factors that may influence the development of negative eating habits, and is particularly useful in assessing the risk of an individual developing a possible eating disorder. (Garner et al., 1982). Examples of items included in this scale are: “I find myself preoccupied with food” and “I cut my food into small pieces” (Garner et al., 1982). Procedure The participants for this study were recruited through the use of convenience sampling. Uses of social media sites, such as Facebook, were used to distribute the Qualtrics survey. Each participant who agreed to take the survey was provided the same exact survey which they took in the convenience and privacy of their home. Possible deception in this study may have been the fact that the participants did not know what the study was testing for. Once the data had been collected, it was analyzed through a series of statistical tests. Given the design of the study, a multiple regression test was run to analyze the data obtained from the Qualtrics survey. A multiple regression was run to account for the meditational model, in which three different regressions were run: First, eating behavior was regressed on the involvement in Greek life. Second, social pressure was regressed on involvement in Greek life. Finally, eating behavior was
  • 7. GREEK LIFE AND SOCIAL PRESSURE ON EATING 7 regressed on both Greek life involvement and social pressure. Furthermore, a Shapiro-Wilk test was used to test the assumption that the residuals were evenly distributed. Given that the Shapiro-Wilk test yielded insignificant results, it could be assumed that the residuals were evenly distributed. Results To test the different hypotheses posed for this study, a series of multiple regressions were executed. A separate regression was used to test the relationship between each of the following hypothesized relationships: Greek life involvement (initial predictor) and eating behavior (outcome), social pressure (mediating predictor) and Greek life involvement, and the relationship between both Greek life involvement and social pressure on eating behavior. Measurement Analysis Assessing Involvement in Greek Life. The first criterion variable was involvement in Greek life, therefore only needed one question to assess it. This was assessed in the questionnaire through a simple yes/no question to see whether each participant was involved in Greek life or not. Reliability of the “Self Monitoring” scale. A pre-existing scale called the The Self- Monitoring Scale (Snyder, 1974) was used to measure one of the criterion variables: social pressure. 25 items were used to assess this construct. The scale yielded a lower Cronbach’s alpha than desired, an alpha of .399, but the scale was still used in light of the fact that it is a verified, pre-existing scale. Reliability of the “East-26 Self-Test” scale. A pre-existing scale called the The Eat-26 Self-Test (Garner et al, 1982) was used to assess the eating habits of the participants. The scale consisted of 26 items which all assessed the participants’ feelings and behaviors regarding food
  • 8. GREEK LIFE AND SOCIAL PRESSURE ON EATING 8 and eating. This scale yielded a Chronbach’s alpha of .908, suggesting a high internal consistency. Since the alpha level suggests that the items used to measure this construct are closely related to each other, no items were discarded. Factor Structure. Two factor analyses with varimax rotation were conducted to test whether each scale was measuring just one construct. The first factor analysis was executed to make sure the items were measuring social pressures. It was decided that a single factor solution, Social Pressure, would work best to represent this data (see Table 1). The cumulative amount of variance accounted for by this factor solution was 16.36%. The next factor analysis was executed to establish that the intended items in the eating behavior scale were actually measuring eating behavior. Once again, it was decided that a single factor solution, Eating Behavior, would be the best solution for this data (see Table 2). The cumulative amount of variance accounted for by this factor solution was 34.9%. Multiple Regression Analyses A set of three regression analyses was run to test the relationship between the outcome variable (eating behaviors), the initial predictor variable (Greek life involvement) and the mediating variable (social pressure). It was predicted that social pressure would act as a mediating variable, but the results did not indicate a meditational relationship. To test this, a number of steps were taken. First, the eating behavior variable was regressed on the initial predictor, which was Greek life (B= .741, sig= .000). These results suggest that there is a significantly positive relationship between being involved in Greek life and eating behaviors. Next, social pressure was regressed on Greek life (.B=-.047, sig= .594), yielding insignificant results. Finally, eating behaviors was regressed on both Greek life and social pressure. In this last regression analysis, Greek life produced significant results (B= .721, sig= .000), while social
  • 9. GREEK LIFE AND SOCIAL PRESSURE ON EATING 9 pressure produced insignificant results (B=-.183, sig= .558), indicating that social pressure does not act as a mediator on the relationship between Greek life involvement and eating behaviors. The results suggest that the amount of variance accounted for in the outcome variable by the predictors was .264. Discussion and Implications This study posed four hypotheses. The first one was that involvement in Greek life would significantly influence eating behaviors. Secondly, it was predicted that involvement in Greek life would have a significant positive influence on social pressures. It also was hypothesized that social pressures would have a significant influence on the eating behaviors of college students. Lastly, it was hypothesized that social pressures would act a mediating variable on the relationship between Greek life involvement and eating behaviors. In other words, being involved in Greek life would create higher levels of social pressures, which would then in turn affect eating behaviors. The results suggested that there is a significant relationship between Greek life involvement and eating behaviors, supporting the initial hypothesis. However, no significant results were found between social pressures and Greek life involvement, suggesting that social pressure does not act a mediating variable on the relationship between Greek life involvement and eating behavior. Previous studies have suggested that involvement in Greek life may create social norms that cause Greek-affiliated students to feel pressured to comply with those norms, possibly influencing their eating habits. More specifically, a prior study found that members who were part of a sorority were suggested to be at higher risks of developing eating disorders and had higher levels of social pressures (Basow, Foran & Bookwala, 2007). This study did not support previous findings in which social pressures in Greek life were associated with eating behavior.
  • 10. GREEK LIFE AND SOCIAL PRESSURE ON EATING 10 However, the results of this study did suggest a significant relationship between Greek-life involvement and eating behavior, concurrent with other previous research. This suggests that, in accordance with prior studies, being involved in Greek-life is significantly related to the eating behaviors of college kids. This study poses a few limitations, which should be considered. First, the sample size was relatively small. In smaller sample sizes, it is harder to generalize the results to a larger population. Second, the use of an online survey poses the threat of self-report biases. Participants may have answered in a way that they perceive as more socially acceptable, reporting answers dishonestly. This study implies that while Greek life is significantly related to the eating habits of college students, it may not be because of the social pressure that Greek life creates. Thus, the study also implies the need for future research on this topic, in which other variables present in Greek life should be studied to see which ones are significantly associated with eating behavior in college students.
  • 11. GREEK LIFE AND SOCIAL PRESSURE ON EATING 11 Table 1 “Social Pressure Scale” single factor exploratory solution. Item F1 I find it hard to imitate the behavior of other people .520 My behavior is usually an expression of my true inner feelings, attitudes, and beliefs. At parties and social gatherings, I do not attempt to do or say things that others will like. -.402 I can only argue for ideas which I already believe. I can make impromptu speeches even on topics about which I have almost no information -.589 I guess I put on a show to impress or entertain other people. When I am uncertain how to act in a social situation, I look to the behavior of others for cues. .481 I would probably make a good actor. -.393 I rarely seek the advice of my friends to choose movies, books, or music. I sometimes appear to others to be experiencing deeper emotions than I actually am. I laugh more when I watch a comedy with others than when alone. In groups of people, I am rarely the center of attention. .743 In different situations with different people, I often act like very different persons. I am not particularly good at making other people like me. .310 Even if I am not enjoying myself, I often pretend to be having a good time. I am not always the person I appear to be. .430 I would not change my opinion (or the way I do things) in order to please someone else or win their favor. -.324 I have considered being an entertainer. -.436 In order to get along and be liked, I tend to be what people expect me to be rather than anything else. .360 I have never been good at games like charades or improvisational acting. .542 I have trouble changing my behavior to suit different people and different situations. At a party, I let others keep the jokes and stories going. .664 I feel a bit awkward in company and do not show up .803
  • 12. GREEK LIFE AND SOCIAL PRESSURE ON EATING 12 quite as well as I should. I can look anyone in the eye and tell a lie with a straight face. I may deceive people by being friendly when I really dislike them. Table 2 “Eating Behavior Scale” single factor exploratory solution. Item F1 I am terrified about being overweight. .688 I avoid eating when I am hungry. .836 I find myself preoccupied with food. .537 I have gone on eating binges where I feel that I may not be able to stop. .483 I cut my food into small pieces. I am aware of the calorie content of foods that I eat. .533 I particularly avoid food with a high carbohydrate content (i.e. bread, rice, potatoes, etc.) .662 I feel that others would prefer if I ate more. .604 I vomit after I have eaten. .592 I feel extremely guilty after eating. .852 I am preoccupied with a desire to be thinner. .722 I think about burning up calories when I exercise. .663 I feel that other people think that I am too thin. I am preoccupied with the thought of having fat on my body. .683 I take longer than others to eat my meals. I avoid foods with sugar in them. .464 I eat diet foods. .693 I feel that food controls my life. .697 I display self-control around food. I feel that others pressure me to eat. .477 I give too much time and thought to food. .788 I feel uncomfortable eating sweets. .626 I engage in dieting behavior. .621 I like my stomach to be empty. .688 I have impulses to vomit after meals. .620 I enjoy trying new rich foods.
  • 13. GREEK LIFE AND SOCIAL PRESSURE ON EATING 13 References Basow, S. A., Foran, K. A., & Bookwala, J. (2007). Body objectification, social pressure, and disordered eating behavior in college women: The role of sorority membership. Psychology of Women Quarterly, 31(4), 394-400 Corning, A.F., Krumm, A.J., & Smitham, L.A. (2006). Differential social comparison processes in women with and without eating disorder symptoms. Journal of Counseling Psychology, 53(3), 338-349. Crandall, C. S. (1988). Social contagion of binge eating. Journal of Personality and Social Psychology, 55(4), 588-598. Cresanti-Daknis, T. (1997). Social comparison theory: A revision and clarification. Available from PsycINFO. (619259870; 1997-95021-161). Garner et al., (1982). Psychological Medicine, 12, 871-878 Lindner, D., Hughes, A., & Fahy, R. (2008). Eating pathology and social comparison in college females. North American Journal of Psychology, 10(3), 445-462. Snyder, M. (1974). Self-monitoring of expressive behavior. Journal of personality and social psychology, 30(4), 526.
  • 14. GREEK LIFE AND SOCIAL PRESSURE ON EATING 14 Reliability Notes Output Created 01-MAY-2015 11:59:18 Comments Input Data /Users/rksmith499/Desktop /ORIGINAL.sav Active Dataset DataSet1 Filter <none> Weight <none> Split File <none> N of Rows in Working Data File 69 Matrix Input /Users/rksmith499/Desktop /ORIGINAL.sav Missing Value Handling Definition of Missing User-defined missing values are treated as missing. Cases Used Statistics are based on all cases with valid data for all variables in the procedure. Syntax RELIABILITY /VARIABLES=Q3 Q5 Q6 Q7 Q8 Q9 Q10 Q11 Q12 Q14 Q15 Q16 Q17 Q18 Q19 Q20 Q21 Q22 Q23 Q24 Q25 Q26 Q27 Q28 Q29 /SCALE('ALL VARIABLES') ALL /MODEL=ALPHA /STATISTICS=DESCRIPTI VE SCALE /SUMMARY=TOTAL. Resources Processor Time 00:00:00.02 Elapsed Time 00:00:00.00
  • 15. GREEK LIFE AND SOCIAL PRESSURE ON EATING 15 [DataSet1] /Users/rksmith499/Desktop/ORIGINAL.sav Reliability Notes Output Created 01-MAY-2015 13:23:08 Comments Input Data /Users/rksmith499/Desktop /ORIGINAL.sav Active Dataset DataSet1 Filter <none> Weight <none> Split File <none> N of Rows in Working Data File 69 Matrix Input Missing Value Handling Definition of Missing User-defined missing values are treated as missing. Cases Used Statistics are based on all cases with valid data for all variables in the procedure.
  • 16. GREEK LIFE AND SOCIAL PRESSURE ON EATING 16 Syntax RELIABILITY /VARIABLES=Q3 Q5 Q6 Q7 Q8 Q9 Q10 Q11 Q12 Q14 Q15 Q16 Q17 Q18 Q19 Q20 Q21 Q22 Q23 Q24 Q25 Q26 Q27 Q28 Q29 /SCALE('ALL VARIABLES') ALL /MODEL=ALPHA /STATISTICS=DESCRIPTI VE SCALE /SUMMARY=TOTAL. Resources Processor Time 00:00:00.02 Elapsed Time 00:00:00.00 Scale: ALL VARIABLES Case Processing Summary N % Cases Valid 48 69.6 Excludeda 21 30.4 Total 69 100.0 a. Listwise deletion based on all variables in the procedure. Reliability Statistics Cronbach's Alpha N of Items .399 25
  • 17. GREEK LIFE AND SOCIAL PRESSURE ON EATING 17 Item Statistics Mean Std. Deviation N I find it hard to imitate the behavior of other people. (1=Disagree, 5=Agree) 1.94 .998 48 My behavior is usually an expression of my true inner feelings, attitudes, and beliefs. (1=Disagr... 3.92 .964 48 At parties and social gatherings, I do not attempt to do or say things that others will like. (1=... 2.65 1.158 48 I can only argue for ideas which I already believe. (1=Disagree, 5=Agree) 2.83 1.310 48 I can make impromptu speeches even on topics about which I have almost no information. (1=Disagre... 3.15 1.304 48 I guess I put on a show to impress or entertain other people. (1=Disagree, 5=Agree) 2.29 1.148 48
  • 18. GREEK LIFE AND SOCIAL PRESSURE ON EATING 18 When I am uncertain how to act in a social situation, I look to the behavior of others for cues .... 3.10 1.356 48 I would probably make a good actor. (1=Disagree, 5=Agree) 2.98 1.360 48 I rarely seek the advice of my friends to choose movies, books, or music. (1=Disagree, 5=Agree) 2.60 1.198 48 I sometimes appear to others to be experiencing deeper emotions than I actually am. (1=Disagree,... 2.46 1.254 48 I laugh more when I watch a comedy with others than when alone. (1=Disagree, 5=Agree) 2.81 1.299 48 In groups of people, I am rarely the center of attention. (1=Disagree, 5=Agree) 2.65 1.082 48 In different situations with different people, I often act like very different persons. (1=Disagr... 2.56 1.165 48
  • 19. GREEK LIFE AND SOCIAL PRESSURE ON EATING 19 I am not particularly good at making other people like me. (1=Disagree, 5=Agree) 1.85 1.185 48 Even if I am not enjoying myself, I often pretend to be having a good time. (1=Disagree, 5=Agree) 2.71 1.129 48 I am not always the person I appear to be. (1=Disagree, 5=Agree) 2.40 1.162 48 I would not change my opinion (or the way I do things) in order to please someone else or win the... 3.38 1.265 48 I have considered being an entertainer. (1=Disagree, 5=Agree) 2.50 1.384 48 In order to get along and be liked, I tend to be what people expect me to be rather than anything... 2.02 .863 48 I have never been good at games like charades or improvisational acting. (1=Disagree, 5=Agree) 2.33 1.260 48
  • 20. GREEK LIFE AND SOCIAL PRESSURE ON EATING 20 I have trouble changing my behavior to suit different people and different situations. (1=Disagre... 2.00 .945 48 At a party, I let others keep the jokes and stories going. (1=Disagree, 5=Agree) 2.58 1.088 48 I feel a bit awkward in company and do not show up quite as well as I should. (1=Disagree, 5=Agree) 2.02 1.246 48 I can look anyone in the eye and tell a lie with a straight face (if for a right end). (1=Disagre... 3.10 1.292 48 I may deceive people by being friendly when I really dislike them. (1=Disagree, 5=Agree) 3.15 1.255 48 Item-Total Statistics Scale Mean if Item Deleted Scale Variance if Item Deleted Corrected Item- Total Correlation Cronbach's Alpha if Item Deleted I find it hard to imitate the behavior of other people. (1=Disagree, 5=Agree) 64.04 54.509 .156 .380
  • 21. GREEK LIFE AND SOCIAL PRESSURE ON EATING 21 My behavior is usually an expression of my true inner feelings, attitudes, and beliefs. (1=Disagr... 62.06 57.464 -.040 .413 At parties and social gatherings, I do not attempt to do or say things that others will like. (1=... 63.33 56.993 -.030 .415 I can only argue for ideas which I already believe. (1=Disagree, 5=Agree) 63.15 55.276 .042 .403 I can make impromptu speeches even on topics about which I have almost no information. (1=Disagre... 62.83 61.589 -.268 .468 I guess I put on a show to impress or entertain other people. (1=Disagree, 5=Agree) 63.69 52.219 .257 .357 When I am uncertain how to act in a social situation, I look to the behavior of others for cues .... 62.88 52.665 .168 .373 I would probably make a good actor. (1=Disagree, 5=Agree) 63.00 55.447 .025 .407
  • 22. GREEK LIFE AND SOCIAL PRESSURE ON EATING 22 I rarely seek the advice of my friends to choose movies, books, or music. (1=Disagree, 5=Agree) 63.38 53.176 .183 .372 I sometimes appear to others to be experiencing deeper emotions than I actually am. (1=Disagree,... 63.52 51.361 .271 .351 I laugh more when I watch a comedy with others than when alone. (1=Disagree, 5=Agree) 63.17 55.504 .032 .405 In groups of people, I am rarely the center of attention. (1=Disagree, 5=Agree) 63.33 53.504 .198 .371 In different situations with different people, I often act like very different persons. (1=Disagr... 63.42 50.801 .340 .339 I am not particularly good at making other people like me. (1=Disagree, 5=Agree) 64.13 51.090 .314 .344
  • 23. GREEK LIFE AND SOCIAL PRESSURE ON EATING 23 Even if I am not enjoying myself, I often pretend to be having a good time. (1=Disagree, 5=Agree) 63.27 52.883 .222 .365 I am not always the person I appear to be. (1=Disagree, 5=Agree) 63.58 54.631 .106 .388 I would not change my opinion (or the way I do things) in order to please someone else or win the... 62.60 60.372 -.212 .455 I have considered being an entertainer. (1=Disagree, 5=Agree) 63.48 55.106 .038 .404 In order to get along and be liked, I tend to be what people expect me to be rather than anything... 63.96 54.807 .177 .379 I have never been good at games like charades or improvisational acting. (1=Disagree, 5=Agree) 63.65 55.851 .020 .407 I have trouble changing my behavior to suit different people and different situations. (1=Disagre... 63.98 53.085 .278 .360
  • 24. GREEK LIFE AND SOCIAL PRESSURE ON EATING 24 At a party, I let others keep the jokes and stories going. (1=Disagree, 5=Agree) 63.40 51.989 .295 .351 I feel a bit awkward in company and do not show up quite as well as I should. (1=Disagree, 5=Agree) 63.96 49.615 .378 .326 I can look anyone in the eye and tell a lie with a straight face (if for a right end). (1=Disagre... 62.88 60.367 -.211 .456 I may deceive people by being friendly when I really dislike them. (1=Disagree, 5=Agree) 62.83 54.950 .069 .396 Scale Statistics Mean Variance Std. Deviation N of Items 65.98 57.808 7.603 25 RECODE Q55 (1=6) (2=5) (3=4) (4=3) (5=2) (6=1). EXECUTE. RELIABILITY /VARIABLES=Q30 Q31 Q32 Q33 Q34 Q35 Q36 Q37 Q38 Q39 Q40 Q41 Q42 Q43 Q44 Q45 Q46 Q47 Q48 Q49 Q50 Q51 Q52 Q53 Q54 Q55 /SCALE('ALL VARIABLES') ALL /MODEL=ALPHA /STATISTICS=DESCRIPTIVE SCALE /SUMMARY=TOTAL.
  • 25. GREEK LIFE AND SOCIAL PRESSURE ON EATING 25 Reliability Notes Output Created 01-MAY-2015 13:27:21 Comments Input Data /Users/rksmith499/Desktop /ORIGINAL.sav Active Dataset DataSet1 Filter <none> Weight <none> Split File <none> N of Rows in Working Data File 69 Matrix Input Missing Value Handling Definition of Missing User-defined missing values are treated as missing. Cases Used Statistics are based on all cases with valid data for all variables in the procedure. Syntax RELIABILITY /VARIABLES=Q30 Q31 Q32 Q33 Q34 Q35 Q36 Q37 Q38 Q39 Q40 Q41 Q42 Q43 Q44 Q45 Q46 Q47 Q48 Q49 Q50 Q51 Q52 Q53 Q54 Q55 /SCALE('ALL VARIABLES') ALL /MODEL=ALPHA /STATISTICS=DESCRIPTI VE SCALE /SUMMARY=TOTAL.
  • 26. GREEK LIFE AND SOCIAL PRESSURE ON EATING 26 Resources Processor Time 00:00:00.02 Elapsed Time 00:00:00.00 Scale: ALL VARIABLES Case Processing Summary N % Cases Valid 46 66.7 Excludeda 23 33.3 Total 69 100.0 a. Listwise deletion based on all variables in the procedure. Reliability Statistics Cronbach's Alpha N of Items .908 26 Item Statistics Mean Std. Deviation N I am terrified about being overweight. 3.57 1.734 46 I avoid eating when I am hungry. 5.00 1.011 46 I find myself preoccupied with food. 3.98 1.498 46
  • 27. GREEK LIFE AND SOCIAL PRESSURE ON EATING 27 I have gone on eating binges where I feel that I may not be able to stop. 4.96 1.115 46 I cut my food into small pieces. 4.61 1.164 46 I am aware of the calorie content of foods that I eat. 3.59 1.668 46 I particularly avoid food with a high carbohydrate content (i.e. bread, rice, potatoes, etc.) 4.22 1.397 46 I feel that others would prefer if I ate more. 5.28 1.004 46 I vomit after I have eaten. 5.76 .603 46 I feel extremely guilty after eating. 4.61 1.308 46 I am preoccupied with a desire to be thinner. 3.93 1.638 46 I think about burning up calories when I exercise. 3.00 1.592 46 I feel that other people think that I am too thin. 5.37 .974 46 I am preoccupied with the thought of having fat on my body. 3.87 1.572 46 I take longer than others to eat my meals. 4.70 1.280 46 I avoid foods with sugar in them. 4.50 1.225 46
  • 28. GREEK LIFE AND SOCIAL PRESSURE ON EATING 28 I eat diet foods. 4.65 1.337 46 I feel that food controls my life. 4.67 1.399 46 I display self-control around food. 3.80 1.088 46 I feel that others pressure me to eat. 5.43 .860 46 I give too much time and thought to food. 4.26 1.639 46 I feel uncomfortable eating sweets. 4.83 1.403 46 I engage in dieting behavior. 4.33 1.536 46 I like my stomach to be empty. 4.93 1.237 46 I have impulses to vomit after meals. 5.74 .713 46 I enjoy trying new rich foods. 4.48 1.295 46 Item-Total Statistics Scale Mean if Item Deleted Scale Variance if Item Deleted Corrected Item- Total Correlation Cronbach's Alpha if Item Deleted I am terrified about being overweight. 114.50 312.211 .641 .902 I avoid eating when I am hungry. 113.07 324.551 .794 .901 I find myself preoccupied with food. 114.09 327.948 .448 .906 I have gone on eating binges where I feel that I may not be able to stop. 113.11 336.055 .421 .906
  • 29. GREEK LIFE AND SOCIAL PRESSURE ON EATING 29 I cut my food into small pieces. 113.46 345.498 .177 .911 I am aware of the calorie content of foods that I eat. 114.48 322.300 .491 .906 I particularly avoid food with a high carbohydrate content (i.e. bread, rice, potatoes, etc.) 113.85 321.910 .611 .903 I feel that others would prefer if I ate more. 112.78 333.329 .550 .905 I vomit after I have eaten. 112.30 341.950 .547 .906 I feel extremely guilty after eating. 113.46 315.543 .802 .899 I am preoccupied with a desire to be thinner. 114.13 313.094 .668 .901 I think about burning up calories when I exercise. 115.07 316.062 .635 .902 I feel that other people think that I am too thin. 112.70 347.416 .169 .910 I am preoccupied with the thought of having fat on my body. 114.20 316.072 .643 .902 I take longer than others to eat my meals. 113.37 343.705 .193 .911 I avoid foods with sugar in them. 113.57 333.407 .438 .906 I eat diet foods. 113.41 320.826 .666 .902 I feel that food controls my life. 113.39 320.555 .639 .902 I display self-control around food. 114.26 351.797 .037 .912
  • 30. GREEK LIFE AND SOCIAL PRESSURE ON EATING 30 I feel that others pressure me to eat. 112.63 340.460 .419 .907 I give too much time and thought to food. 113.80 309.583 .732 .900 I feel uncomfortable eating sweets. 113.24 323.075 .584 .903 I engage in dieting behavior. 113.74 320.419 .577 .904 I like my stomach to be empty. 113.13 325.805 .609 .903 I have impulses to vomit after meals. 112.33 339.291 .560 .906 I enjoy trying new rich foods. 113.59 350.159 .055 .913 Scale Statistics Mean Variance Std. Deviation N of Items 118.07 354.507 18.828 26 Notes Output Created 01-MAY-2015 13:43:51 Comments Input Data /Users/rksmith499/Desktop /ORIGINAL.sav Active Dataset DataSet1 Filter <none> Weight <none> Split File <none> N of Rows in Working Data File 69
  • 31. GREEK LIFE AND SOCIAL PRESSURE ON EATING 31 Missing Value Handling Definition of Missing User-defined missing values for dependent variables are treated as missing. Cases Used Statistics are based on cases with no missing values for any dependent variable or factor used. Syntax EXAMINE VARIABLES=ZRE_1 /PLOT BOXPLOT STEMLEAF NPPLOT /COMPARE GROUPS /STATISTICS DESCRIPTIVES /CINTERVAL 95 /MISSING LISTWISE /NOTOTAL. Resources Processor Time 00:00:01.61 Elapsed Time 00:00:04.00 Case Processing Summary Cases Valid Missing Total N Percent N Percent N Percent Standardized Residual 48 69.6% 21 30.4% 69 100.0% Descriptives Statistic Std. Error Standardized Residual Mean .0000000 .14123317 95% Confidence Interval for Mean Lower Bound -.2841245 Upper Bound .2841245 5% Trimmed Mean .0220701 Median -.0520760
  • 32. GREEK LIFE AND SOCIAL PRESSURE ON EATING 32 Variance .957 Std. Deviation .97849211 Minimum -2.81748 Maximum 2.01813 Range 4.83562 Interquartile Range 1.64637 Skewness -.381 .343 Kurtosis .090 .674 Tests of Normality Kolmogorov-Smirnova Shapiro-Wilk Statistic df Sig. Statistic df Sig. Standardized Residual .069 48 .200* .978 48 .512 *. This is a lower bound of the true significance. a. Lilliefors Significance Correction Standardized Residual Standardized Residual Stem-and-Leaf Plot Frequency Stem & Leaf 1.00 -2 . 8 8.00 -1 . 01111345 16.00 -0 . 0011112233348888 16.00 0 . 0123345566689999 6.00 1 . 011234 1.00 2 . 0 Stem width: 1.00000 Each leaf: 1 case(s)
  • 33. GREEK LIFE AND SOCIAL PRESSURE ON EATING 33
  • 34. GREEK LIFE AND SOCIAL PRESSURE ON EATING 34
  • 35. GREEK LIFE AND SOCIAL PRESSURE ON EATING 35 Factor Analysis Notes Output Created 01-MAY-2015 14:16:21 Comments Input Data /Users/rksmith499/Desktop /ORIGINAL.sav Active Dataset DataSet1 Filter <none> Weight <none> Split File <none>
  • 36. GREEK LIFE AND SOCIAL PRESSURE ON EATING 36 N of Rows in Working Data File 69 Missing Value Handling Definition of Missing MISSING=EXCLUDE: User-defined missing values are treated as missing. Cases Used LISTWISE: Statistics are based on cases with no missing values for any variable used. Syntax FACTOR /VARIABLES Q3 Q5 Q6 Q7 Q8 Q9 Q10 Q11 Q12 Q14 Q15 Q16 Q17 Q18 Q19 Q20 Q21 Q22 Q23 Q24 Q25 Q26 Q27 Q28 Q29 /MISSING LISTWISE /ANALYSIS Q3 Q5 Q6 Q7 Q8 Q9 Q10 Q11 Q12 Q14 Q15 Q16 Q17 Q18 Q19 Q20 Q21 Q22 Q23 Q24 Q25 Q26 Q27 Q28 Q29 /PRINT INITIAL EXTRACTION ROTATION /FORMAT BLANK(.3) /PLOT EIGEN /CRITERIA FACTORS(1) ITERATE(25) /EXTRACTION PC /CRITERIA ITERATE(50) /ROTATION VARIMAX /METHOD=CORRELATIO N. Resources Processor Time 00:00:00.26 Elapsed Time 00:00:01.00 Maximum Memory Required 74408 (72.664K) bytes
  • 37. GREEK LIFE AND SOCIAL PRESSURE ON EATING 37 Communalities Initial Extraction I find it hard to imitate the behavior of other people. (1=Disagree, 5=Agree) 1.000 .271 My behavior is usually an expression of my true inner feelings, attitudes, and beliefs. (1=Disagr... 1.000 .064 At parties and social gatherings, I do not attempt to do or say things that others will like. (1=... 1.000 .161 I can only argue for ideas which I already believe. (1=Disagree, 5=Agree) 1.000 .000 I can make impromptu speeches even on topics about which I have almost no information. (1=Disagre... 1.000 .346 I guess I put on a show to impress or entertain other people. (1=Disagree, 5=Agree) 1.000 .023
  • 38. GREEK LIFE AND SOCIAL PRESSURE ON EATING 38 When I am uncertain how to act in a social situation, I look to the behavior of others for cues .... 1.000 .231 I would probably make a good actor. (1=Disagree, 5=Agree) 1.000 .154 I rarely seek the advice of my friends to choose movies, books, or music. (1=Disagree, 5=Agree) 1.000 .004 I sometimes appear to others to be experiencing deeper emotions than I actually am. (1=Disagree,... 1.000 .067 I laugh more when I watch a comedy with others than when alone. (1=Disagree, 5=Agree) 1.000 .004 In groups of people, I am rarely the center of attention. (1=Disagree, 5=Agree) 1.000 .553 In different situations with different people, I often act like very different persons. (1=Disagr... 1.000 .030
  • 39. GREEK LIFE AND SOCIAL PRESSURE ON EATING 39 I am not particularly good at making other people like me. (1=Disagree, 5=Agree) 1.000 .096 Even if I am not enjoying myself, I often pretend to be having a good time. (1=Disagree, 5=Agree) 1.000 .045 I am not always the person I appear to be. (1=Disagree, 5=Agree) 1.000 .185 I would not change my opinion (or the way I do things) in order to please someone else or win the... 1.000 .105 I have considered being an entertainer. (1=Disagree, 5=Agree) 1.000 .190 In order to get along and be liked, I tend to be what people expect me to be rather than anything... 1.000 .130 I have never been good at games like charades or improvisational acting. (1=Disagree, 5=Agree) 1.000 .293
  • 40. GREEK LIFE AND SOCIAL PRESSURE ON EATING 40 I have trouble changing my behavior to suit different people and different situations. (1=Disagre... 1.000 .037 At a party, I let others keep the jokes and stories going. (1=Disagree, 5=Agree) 1.000 .440 I feel a bit awkward in company and do not show up quite as well as I should. (1=Disagree, 5=Agree) 1.000 .644 I can look anyone in the eye and tell a lie with a straight face (if for a right end). (1=Disagre... 1.000 .002 I may deceive people by being friendly when I really dislike them. (1=Disagree, 5=Agree) 1.000 .013
  • 41. GREEK LIFE AND SOCIAL PRESSURE ON EATING 41 Extraction Method: Principal Component Analysis. Extraction Method: Principal Component Analysis. Total Variance Explained Component Initial Eigenvalues Extraction Sums of Squared Loadings Total % of Variance Cumulative % Total % of Variance Cumulative % 1 4.089 16.356 16.356 4.089 16.356 16.356 2 2.608 10.433 26.789 3 2.455 9.819 36.608 4 2.329 9.317 45.925 5 1.878 7.512 53.437 6 1.509 6.035 59.472 7 1.224 4.897 64.369 8 1.155 4.620 68.989 9 1.079 4.318 73.307 10 .950 3.801 77.108 11 .819 3.278 80.386 12 .810 3.240 83.626 13 .685 2.738 86.364 14 .582 2.327 88.691 15 .557 2.227 90.917 16 .422 1.687 92.605 17 .347 1.388 93.993 18 .306 1.224 95.217 19 .271 1.084 96.302 20 .240 .961 97.263 21 .200 .802 98.064 22 .167 .668 98.732 23 .138 .553 99.285 24 .104 .416 99.701 25 .075 .299 100.000
  • 42. GREEK LIFE AND SOCIAL PRESSURE ON EATING 42 Component Matrixa Component 1 I find it hard to imitate the behavior of other people. (1=Disagree, 5=Agree) .520 My behavior is usually an expression of my true inner feelings, attitudes, and beliefs. (1=Disagr...
  • 43. GREEK LIFE AND SOCIAL PRESSURE ON EATING 43 At parties and social gatherings, I do not attempt to do or say things that others will like. (1=... -.402 I can only argue for ideas which I already believe. (1=Disagree, 5=Agree) I can make impromptu speeches even on topics about which I have almost no information. (1=Disagre... -.589 I guess I put on a show to impress or entertain other people. (1=Disagree, 5=Agree) When I am uncertain how to act in a social situation, I look to the behavior of others for cues .... .481 I would probably make a good actor. (1=Disagree, 5=Agree) -.393 I rarely seek the advice of my friends to choose movies, books, or music. (1=Disagree, 5=Agree)
  • 44. GREEK LIFE AND SOCIAL PRESSURE ON EATING 44 I sometimes appear to others to be experiencing deeper emotions than I actually am. (1=Disagree,... I laugh more when I watch a comedy with others than when alone. (1=Disagree, 5=Agree) In groups of people, I am rarely the center of attention. (1=Disagree, 5=Agree) .743 In different situations with different people, I often act like very different persons. (1=Disagr... I am not particularly good at making other people like me. (1=Disagree, 5=Agree) .310 Even if I am not enjoying myself, I often pretend to be having a good time. (1=Disagree, 5=Agree) I am not always the person I appear to be. (1=Disagree, 5=Agree) .430
  • 45. GREEK LIFE AND SOCIAL PRESSURE ON EATING 45 I would not change my opinion (or the way I do things) in order to please someone else or win the... -.324 I have considered being an entertainer. (1=Disagree, 5=Agree) -.436 In order to get along and be liked, I tend to be what people expect me to be rather than anything... .360 I have never been good at games like charades or improvisational acting. (1=Disagree, 5=Agree) .542 I have trouble changing my behavior to suit different people and different situations. (1=Disagre... At a party, I let others keep the jokes and stories going. (1=Disagree, 5=Agree) .664 I feel a bit awkward in company and do not show up quite as well as I should. (1=Disagree, 5=Agree) .803
  • 46. GREEK LIFE AND SOCIAL PRESSURE ON EATING 46 I can look anyone in the eye and tell a lie with a straight face (if for a right end). (1=Disagre... I may deceive people by being friendly when I really dislike them. (1=Disagree, 5=Agree) Extraction Method: Principal Component Analysis.a a. 1 components extracted. Rotated Component Matrixa a. Only one component was extracted. The solution cannot be rotated. FACTOR /VARIABLES Q30 Q31 Q32 Q33 Q34 Q35 Q36 Q37 Q38 Q39 Q40 Q41 Q42 Q43 Q44 Q45 Q46 Q47 Q48 Q49 Q50 Q51 Q52 Q53 Q54 Q55 /MISSING LISTWISE /ANALYSIS Q30 Q31 Q32 Q33 Q34 Q35 Q36 Q37 Q38 Q39 Q40 Q41 Q42 Q43 Q44 Q45 Q46 Q47 Q48 Q49 Q50 Q51 Q52 Q53 Q54 Q55 /PRINT INITIAL EXTRACTION ROTATION /FORMAT BLANK(.3) /PLOT EIGEN /CRITERIA FACTORS(1) ITERATE(25) /EXTRACTION PC /CRITERIA ITERATE(50)
  • 47. GREEK LIFE AND SOCIAL PRESSURE ON EATING 47 /ROTATION VARIMAX /METHOD=CORRELATION. Factor Analysis Notes Output Created 01-MAY-2015 14:18:02 Comments Input Data /Users/rksmith499/Desktop /ORIGINAL.sav Active Dataset DataSet1 Filter <none> Weight <none> Split File <none> N of Rows in Working Data File 69 Missing Value Handling Definition of Missing MISSING=EXCLUDE: User-defined missing values are treated as missing. Cases Used LISTWISE: Statistics are based on cases with no missing values for any variable used.
  • 48. GREEK LIFE AND SOCIAL PRESSURE ON EATING 48 Syntax FACTOR /VARIABLES Q30 Q31 Q32 Q33 Q34 Q35 Q36 Q37 Q38 Q39 Q40 Q41 Q42 Q43 Q44 Q45 Q46 Q47 Q48 Q49 Q50 Q51 Q52 Q53 Q54 Q55 /MISSING LISTWISE /ANALYSIS Q30 Q31 Q32 Q33 Q34 Q35 Q36 Q37 Q38 Q39 Q40 Q41 Q42 Q43 Q44 Q45 Q46 Q47 Q48 Q49 Q50 Q51 Q52 Q53 Q54 Q55 /PRINT INITIAL EXTRACTION ROTATION /FORMAT BLANK(.3) /PLOT EIGEN /CRITERIA FACTORS(1) ITERATE(25) /EXTRACTION PC /CRITERIA ITERATE(50) /ROTATION VARIMAX /METHOD=CORRELATIO N. Resources Processor Time 00:00:00.17 Elapsed Time 00:00:00.00 Maximum Memory Required 80184 (78.305K) bytes Communalities Initial Extraction I am terrified about being overweight. 1.000 .473 I avoid eating when I am hungry. 1.000 .699
  • 49. GREEK LIFE AND SOCIAL PRESSURE ON EATING 49 I find myself preoccupied with food. 1.000 .289 I have gone on eating binges where I feel that I may not be able to stop. 1.000 .233 I cut my food into small pieces. 1.000 .033 I am aware of the calorie content of foods that I eat. 1.000 .284 I particularly avoid food with a high carbohydrate content (i.e. bread, rice, potatoes, etc.) 1.000 .438 I feel that others would prefer if I ate more. 1.000 .365 I vomit after I have eaten. 1.000 .350 I feel extremely guilty after eating. 1.000 .725 I am preoccupied with a desire to be thinner. 1.000 .521 I think about burning up calories when I exercise. 1.000 .439 I feel that other people think that I am too thin. 1.000 .049 I am preoccupied with the thought of having fat on my body. 1.000 .467
  • 50. GREEK LIFE AND SOCIAL PRESSURE ON EATING 50 I take longer than others to eat my meals. 1.000 .037 I avoid foods with sugar in them. 1.000 .215 I eat diet foods. 1.000 .480 I feel that food controls my life. 1.000 .486 I display self-control around food. 1.000 .001 I feel that others pressure me to eat. 1.000 .228 I give too much time and thought to food. 1.000 .621 I feel uncomfortable eating sweets. 1.000 .392 I engage in dieting behavior. 1.000 .385 I like my stomach to be empty. 1.000 .474 I have impulses to vomit after meals. 1.000 .384 I enjoy trying new rich foods. 1.000 .004
  • 51. GREEK LIFE AND SOCIAL PRESSURE ON EATING 51 Extraction Method: Principal Component Analysis. Extraction Method: Principal Component Analysis. Total Variance Explained Component Initial Eigenvalues Extraction Sums of Squared Loadings Total % of Variance Cumulative % Total % of Variance Cumulative % 1 9.072 34.894 34.894 9.072 34.894 34.894 2 3.234 12.437 47.331 3 2.032 7.814 55.144 4 1.658 6.378 61.523 5 1.416 5.446 66.969 6 1.232 4.740 71.709 7 .993 3.821 75.530 8 .919 3.534 79.064 9 .780 2.998 82.062 10 .664 2.554 84.616 11 .550 2.114 86.730 12 .542 2.086 88.817 13 .498 1.916 90.732 14 .458 1.762 92.494 15 .368 1.414 93.908 16 .284 1.092 95.001 17 .274 1.055 96.056 18 .233 .897 96.953 19 .202 .777 97.730 20 .158 .606 98.336 21 .115 .444 98.780 22 .094 .360 99.140 23 .079 .302 99.442 24 .054 .207 99.649 25 .052 .200 99.849 26 .039 .151 100.000
  • 52. GREEK LIFE AND SOCIAL PRESSURE ON EATING 52 Component Matrixa Component 1 I am terrified about being overweight. .688 I avoid eating when I am hungry. .836 I find myself preoccupied with food. .537 I have gone on eating binges where I feel that I may not be able to stop. .483
  • 53. GREEK LIFE AND SOCIAL PRESSURE ON EATING 53 I cut my food into small pieces. I am aware of the calorie content of foods that I eat. .533 I particularly avoid food with a high carbohydrate content (i.e. bread, rice, potatoes, etc.) .662 I feel that others would prefer if I ate more. .604 I vomit after I have eaten. .592 I feel extremely guilty after eating. .852 I am preoccupied with a desire to be thinner. .722 I think about burning up calories when I exercise. .663 I feel that other people think that I am too thin. I am preoccupied with the thought of having fat on my body. .683 I take longer than others to eat my meals. I avoid foods with sugar in them. .464 I eat diet foods. .693 I feel that food controls my life. .697 I display self-control around food.
  • 54. GREEK LIFE AND SOCIAL PRESSURE ON EATING 54 I feel that others pressure me to eat. .477 I give too much time and thought to food. .788 I feel uncomfortable eating sweets. .626 I engage in dieting behavior. .621 I like my stomach to be empty. .688 I have impulses to vomit after meals. .620 I enjoy trying new rich foods. Extraction Method: Principal Component Analysis.a a. 1 components extracted. Rotated Component Matrixa a. Only one component was extracted. The solution cannot be rotated. FACTOR /VARIABLES Q30 Q31 Q32 Q33 Q34 Q35 Q36 Q37 Q38 Q39 Q40 Q41 Q42 Q43 Q44 Q45 Q46 Q47 Q48 Q49 Q50 Q51 Q52 Q53 Q54 Q55 /MISSING LISTWISE /ANALYSIS Q30 Q31 Q32 Q33 Q34 Q35 Q36 Q37 Q38 Q39 Q40 Q41 Q42 Q43 Q44 Q45 Q46 Q47 Q48 Q49 Q50 Q51 Q52 Q53 Q54 Q55 /PRINT INITIAL EXTRACTION ROTATION /FORMAT BLANK(.3) /PLOT EIGEN
  • 55. GREEK LIFE AND SOCIAL PRESSURE ON EATING 55 /CRITERIA FACTORS(1) ITERATE(50) /EXTRACTION PC /CRITERIA ITERATE(50) /ROTATION VARIMAX /METHOD=CORRELATION. Regression Notes Output Created 01-MAY-2015 14:21:59 Comments Input Data /Users/rksmith499/Desktop /ORIGINAL.sav Active Dataset DataSet1 Filter <none> Weight <none> Split File <none> N of Rows in Working Data File 69 Missing Value Handling Definition of Missing User-defined missing values are treated as missing. Cases Used Statistics are based on cases with no missing values for any variable used.
  • 56. GREEK LIFE AND SOCIAL PRESSURE ON EATING 56 Syntax REGRESSION /MISSING LISTWISE /STATISTICS COEFF OUTS R ANOVA COLLIN TOL /CRITERIA=PIN(.05) POUT(.10) /NOORIGIN /DEPENDENT EatingBeh /METHOD=ENTER Q1 /SAVE ZRESID. Resources Processor Time 00:00:00.01 Elapsed Time 00:00:00.00 Memory Required 4528 bytes Additional Memory Required for Residual Plots 0 bytes Variables Created or Modified ZRE_2 Standardized Residual Variables Entered/Removeda Model Variables Entered Variables Removed Method 1 Are you involved in a Greek-affiliated organization?b . Enter a. Dependent Variable: EatingBeh b. All requested variables entered. Model Summaryb Model R R Square Adjusted R Square Std. Error of the Estimate 1 .508a .258 .242 .64118
  • 57. GREEK LIFE AND SOCIAL PRESSURE ON EATING 57 a. Predictors: (Constant), Are you involved in a Greek-affiliated organization? b. Dependent Variable: EatingBeh ANOVAa Model Sum of Squares df Mean Square F Sig. 1 Regression 6.582 1 6.582 16.010 .000b Residual 18.911 46 .411 Total 25.493 47 a. Dependent Variable: EatingBeh b. Predictors: (Constant), Are you involved in a Greek-affiliated organization? Coefficientsa Model Unstandardized Coefficients Standardize d Coefficients t Sig. Collinearity Statistics B Std. Error Beta Tolerance VIF 1 (Constant) 3.388 .297 11.424 .000 Are you involved in a Greek-affiliated organization? .741 .185 .508 4.001 .000 1.000 1.000 a. Dependent Variable: EatingBeh Collinearity Diagnosticsa Model Dimension Eigenvalue Condition Index Variance Proportions (Constant) Are you involved in a Greek-affiliated organization? 1 1 1.950 1.000 .02 .02
  • 58. GREEK LIFE AND SOCIAL PRESSURE ON EATING 58 2 .050 6.249 .98 .98 a. Dependent Variable: EatingBeh Residuals Statisticsa Minimum Maximum Mean Std. Deviation N Predicted Value 4.1290 4.8703 4.5151 .37422 48 Residual -1.82134 1.29405 .00000 .63432 48 Std. Predicted Value -1.032 .949 .000 1.000 48 Std. Residual -2.841 2.018 .000 .989 48 a. Dependent Variable: EatingBeh REGRESSION /MISSING LISTWISE /STATISTICS COEFF OUTS R ANOVA COLLIN TOL /CRITERIA=PIN(.05) POUT(.10) /NOORIGIN /DEPENDENT EatingBeh /METHOD=ENTER SocialPressure /SAVE ZRESID. Regression Variables Entered/Removeda Model Variables Entered Variables Removed Method 1 Are you involved in a Greek-affiliated organization?b . Enter a. Dependent Variable: SocialPressure b. All requested variables entered.
  • 59. GREEK LIFE AND SOCIAL PRESSURE ON EATING 59 Model Summaryb Model R R Square Adjusted R Square Std. Error of the Estimate 1 .071a .005 -.012 .33831 a. Predictors: (Constant), Are you involved in a Greek-affiliated organization? b. Dependent Variable: SocialPressure ANOVAa Model Sum of Squares df Mean Square F Sig. 1 Regression .033 1 .033 .287 .594b Residual 6.524 57 .114 Total 6.557 58 a. Dependent Variable: SocialPressure b. Predictors: (Constant), Are you involved in a Greek-affiliated organization? Coefficientsa Model Unstandardized Coefficients Standardize d Coefficients t Sig. Collinearity Statistics B Std. Error Beta Tolerance VIF 1 (Constant) 2.749 .140 19.632 .000 Are you involved in a Greek-affiliated organization? -.047 .088 -.071 -.535 .594 1.000 1.000 a. Dependent Variable: SocialPressure
  • 60. GREEK LIFE AND SOCIAL PRESSURE ON EATING 60 Collinearity Diagnosticsa Model Dimension Eigenvalue Condition Index Variance Proportions (Constant) Are you involved in a Greek-affiliated organization? 1 1 1.949 1.000 .03 .03 2 .051 6.196 .97 .97 a. Dependent Variable: SocialPressure Residuals Statisticsa Minimum Maximum Mean Std. Deviation N Predicted Value 2.6543 2.7015 2.6775 .02378 59 Residual -.58150 1.34567 .00000 .33538 59 Std. Predicted Value -.975 1.008 .000 1.000 59 Std. Residual -1.719 3.978 .000 .991 59 a. Dependent Variable: SocialPressure
  • 61. GREEK LIFE AND SOCIAL PRESSURE ON EATING 61 Regression Notes Output Created 01-MAY-2015 14:24:38 Comments Input Data /Users/rksmith499/Desktop /ORIGINAL.sav Active Dataset DataSet1 Filter <none> Weight <none>
  • 62. GREEK LIFE AND SOCIAL PRESSURE ON EATING 62 Split File <none> N of Rows in Working Data File 69 Missing Value Handling Definition of Missing User-defined missing values are treated as missing. Cases Used Statistics are based on cases with no missing values for any variable used. Syntax REGRESSION /MISSING LISTWISE /STATISTICS COEFF OUTS R ANOVA COLLIN TOL /CRITERIA=PIN(.05) POUT(.10) /NOORIGIN /DEPENDENT EatingBeh /METHOD=ENTER SocialPressure Q1 /RESIDUALS NORMPROB(ZRESID) /SAVE ZRESID. Resources Processor Time 00:00:00.20 Elapsed Time 00:00:00.00 Memory Required 5072 bytes Additional Memory Required for Residual Plots 280 bytes Variables Created or Modified ZRE_4 Standardized Residual Variables Entered/Removeda Model Variables Entered Variables Removed Method
  • 63. GREEK LIFE AND SOCIAL PRESSURE ON EATING 63 1 Are you involved in a Greek-affiliated organization?, SocialPressure b . Enter a. Dependent Variable: EatingBeh b. All requested variables entered. Model Summaryb Model R R Square Adjusted R Square Std. Error of the Estimate 1 .514a .264 .231 .64577 a. Predictors: (Constant), Are you involved in a Greek-affiliated organization?, SocialPressure b. Dependent Variable: EatingBeh ANOVAa Model Sum of Squares df Mean Square F Sig. 1 Regression 6.727 2 3.364 8.066 .001b Residual 18.766 45 .417 Total 25.493 47
  • 64. GREEK LIFE AND SOCIAL PRESSURE ON EATING 64 a. Dependent Variable: EatingBeh b. Predictors: (Constant), Are you involved in a Greek-affiliated organization?, SocialPressure a. Dependent Variable: EatingBeh Collinearity Diagnosticsa Model Dimension Eigenvalue Condition Index Variance Proportions (Constant) SocialPressure Are you involved in a Greek-affiliated organization? 1 1 2.921 1.000 .00 .00 .01 2 .073 6.305 .01 .04 .85 3 .006 22.554 .98 .96 .14 a. Dependent Variable: EatingBeh Residuals Statisticsa Minimum Maximum Mean Std. Deviation N Predicted Value 4.0392 4.9654 4.5151 .37832 48 Residual -1.81945 1.30326 .00000 .63188 48 Std. Predicted Value -1.258 1.190 .000 1.000 48 Std. Residual -2.817 2.018 .000 .978 48 Coefficientsa Model Unstandardized Coefficients Standardize d Coefficients t Sig. Collinearity Statistics B Std. Error Beta Tolerance VIF 1 (Constant) 3.904 .925 4.221 .000 SocialPressure -.183 .310 -.077 -.590 .558 .967 1.034 Are you involved in a Greek-affiliated organization? .721 .190 .494 3.801 .000 .967 1.034
  • 65. GREEK LIFE AND SOCIAL PRESSURE ON EATING 65 a. Dependent Variable: EatingBeh Charts