PSY 250 Lecture Notes - Lecture 11: Cognitive Dissonance, Psychodynamics, Testability

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7 Feb 2017
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Chapter 4 Continued
Tuesday, February 7, 2017
5:13 PM
Characteristics of a Good Theory:
Ability to Account for Data
-consistent with/explains existing data and well-established facts within its
domain
Explanatory Relevance
-links between variables are logical
-intuitive, credible
Testability
-a theory must be capable of failing some empirical test
Prediciton of Novel Events
-a theory should predict behaviors that it wasn't specifically designed to
account for (within its domain)
Parsimony
-a theory should use the fewest possible assumptions and caveats
Strategies for Testing Theories
Confirmational Strategy
-Straightforward test of a prediction from a theory
-If X, the Y
*Confirmation does NOT prove a theory is correct
Disconfirmational Strategy
-Focus on a result that, according to theory, should NOT occur and try to see if
you can get it to happen
Type of Theory
Quantitative or Qualitative?
Quantitative
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