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Psychology 242
Research in Psychology
Dr. David J. McKirnan


Week 7
Quasi-Experimental & Field Research

Lecture notes

Baboon culture
  1. Studying naturally occurring events
    • Measurement studies of behavior “in the field”
      • Interviews or surveys
      • Direct observation of behavior
    • Retrospective designs
      • Using existing (“archival”) data
  2. Evaluate existing groups or program
    • Single shot survey or measure
    • Non-equivalent groups; comparing groups that are:
      • Not randomly assigned
      • Self-selected
      • No blind
      • Pre-existing groups

Lecture notes are here.

Readings

Mommy

Read the chapter on Quasi-Experimental, Correlational and Naturalistic Research.

Read about a Consumer Reports survey used to evaluate psychotherapy, and a very interesting field study of naturally occring changes in baboon culture. 

Finally, click the image for a short piece from Slate Magazine on using patterns of correlations to determine if having children direclty causes mothers to earn less over their life times.

Discussion group Assignment

Rewrite your paper topic and have your journal article abstracts.
Take your discussion from last week or any direct feedback you have gotten and rewrite your paper topic.  Try to make your current topic more clear or specific rather than starting from scratch, but feel free to change completely if you decide to.

Again, look at the paper assignment to see what your term paper will consist of.  To get comfortable reading journal articles go to Guide to Psychology Articles.

You must have two references to published, peer-reviewed journal articles in your paper. Bring copies of the abstracts only, not the complete paper, to discussion group this week.

Phenomenon: What is the larger question? What are you interested in explaining? 

Theory:  How does it work? What causes what? Why or how does it happen?

Be clearer about your Hypothetical Constructs and how they relate to one another.  Now that you got some basic thoughts down from last week, try to hone these into more specific concepts.  Frame these in “cause and effect” -type language to address how or why your phenomenon works. 

Remember - your Introductory text book is a great place to find overviews of (and references to) general psychological theories.

Hypothesis:  What is your specific prediction?

Make a prediction about specific variables that can be operationally defined, and that reflect the hypothetical constructs underlying your theory.  The most common problem students have at this point is not being specific or concrete enough in their hypothesis.

You can be proposing either a true experiment – where you control the Independent Variable and you randomly assign people to experimental v. control groups – or a quasi-experiment where you do not control the IV or you use existing groups.
 
We will return to these questions for your assignment in Week 8, where you will begin a first draft of your term paper.