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Variables And Measurement Scales

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Variables ,[object Object],[object Object]
Outline of today’s presentation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The concept of variable ,[object Object],[object Object]
Some examples ,[object Object],[object Object]
Variables in research ,[object Object],[object Object],[object Object]
Remember ,[object Object],[object Object],[object Object]
Operationalization ,[object Object],[object Object]
Operationalization Intelligence Trait or construct Scores on the Wechsler Adult Intelligence Scale Operational definition of intelligence operationalization
Operationalization Proficiency Trait or construct Scores on the TOEFL test Operational definition of proficiency
Operational definition of a variable ,[object Object],[object Object]
Important point! ,[object Object],[object Object]
Different types and functions of variables ,[object Object],[object Object]
Functions of variables ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Independent vs. Dependent Variables ,[object Object],[object Object]
Independent vs. dependent V. ,[object Object]
Independent Variables ,[object Object],[object Object],[object Object]
Dependent variable ,[object Object],[object Object]
Two points ,[object Object],[object Object]
Moderator variable ,[object Object],[object Object]
Independent vs. moderator variable ,[object Object],[object Object]
Control variables ,[object Object]
Control variables ,[object Object],[object Object]
Intervening variables ,[object Object],[object Object]
The relationship among variables Independent Variable(s) Dependent Variable(s) Intervening Variable(s) Moderator Variable(s) Control Variable(s) The Study
Two points ,[object Object],[object Object]
Measurement Scales ,[object Object],[object Object],[object Object],[object Object],[object Object]
Nominal Scale ,[object Object]
True vs. artificial categories ,[object Object],[object Object]
Ordinal Scale ,[object Object],[object Object]
Ordinal Scale ,[object Object]
Interval Scale ,[object Object],[object Object],[object Object]
Ratio Scale ,[object Object]
 

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Variables And Measurement Scales

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  • 8. Operationalization Intelligence Trait or construct Scores on the Wechsler Adult Intelligence Scale Operational definition of intelligence operationalization
  • 9. Operationalization Proficiency Trait or construct Scores on the TOEFL test Operational definition of proficiency
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  • 24. The relationship among variables Independent Variable(s) Dependent Variable(s) Intervening Variable(s) Moderator Variable(s) Control Variable(s) The Study
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