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Difference Between Delimitations, Limitations, and Assumptions

Presentation on the difference between delimitations, limitations, and assumptions

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Difference Between Delimitations, Limitations, and Assumptions

  1. 1. Delimitations, Limitations, & Assumptions Philip Adu, Ph.D. Methodology Expert National Center for Academic & Dissertation Excellence (NCADE) The Chicago School of Professional Psychology @drphilipadu
  2. 2.  Delimitations are features in a study that can be controlled so as to determine the parameters or scope of the study ◦ Researchers have control over characteristics of the following:  Research problem  Research purpose  Research question(s)  Methodology  Variables  Population Delimitations (Scope of the study) (Simon, 2011)
  3. 3.  They are weaknesses related to decisions made in a study  They are difficult to contain  Consequences associated with choices made in a study related to:  Sampling technique  Data collection strategy (i.e. interviews, focus groups, ...)  Instrument used  Population chosen (in terms of accessibility)  Time and resources  How would you be addressing expected challenges? Limitations (Simon, 2011)
  4. 4.   They can’t be totally controlled  They need to exist for your study to be valid/essential/credible  Truthfulness/honesty of participants’ response  Representativeness of sample  Homogeneity of participants characteristics  Having knowledge of your assumptions  Justifying their existence Assumptions (Simon, 2011)
  5. 5.  Delimitations Limitations Assumptions Purpose To determine the parameters/scope of the study To determine the weakness associated to decisions made in the study To make a study relevant Control There is a level of control over where to draw the boundaries Difficult to control but some can be addressed in the study Can’t be totally controlled but they should exist to make the study relevant Location Chapter one Chapter 3 (dissertation proposal) Chapter 5 (Final dissertation) Chapter 3 Summary Simon, M. K. (2011). Dissertation and scholarly research: Recipes for success (2011 Ed.). Seattle, WA, Dissertation Success, LLC. content/uploads/2011/04/AssumptionslimitationsdelimitationsX.pdf