Author(s)

Kaysee M. Fahl

Graduation Year

2011

Date of Thesis Acceptance

Fall 5-11-2011

Major Department or Program

Psychology

Advisor(s)

David R. Holliway

Abstract

Dichotomous thinking is prevalent in many correlational studies that examine the variables associated with mental and emotional disorders, however the specific ways that it works to encourage or sustain such a variety of disorders is unknown. Dichotomous thinking may be most closely related to negative perfectionism involving a harmful self-concept. Cognitive dissonance, where contradictory information regarding one topic is simultaneously presented, may be a situation where a preference for dichotomy may be activated. The goal of this study was to measure the relationship between dichotomous thinking and changes in self-concept following cognitive dissonance and to see if dissonance differentially impacts this relationship. I presented a self-concept test to 28 people before and after a randomly assigned dissonance or consonance condition and measured dichotomous thinking to examine correlations between dichotomous thinking and self-concept scores. Results supported the idea that changes in self-concept are correlated with dichotomous thinking and that scores on dichotomous thinking within participants are stable across time and circumstances, however, there was not a significant effect of cognitive dissonance on any of these variables. This study calls for further exploration of dichotomous thinking in relation to cognitive dissonance and elaboration of the implications of its relationship to self-concept.

Page Count

37

Subject Headings

Cognitive dissonance, Emotions and cognition, Self-perception, Self Concept -- Case studies, Though and thinking, Thinking, Cognitive Psychology, Cognition, Whitman College 2011 -- Dissertation collection -- Psychology Department

Permanent URL

http://hdl.handle.net/10349/1085

Document Type

Public Accessible Thesis

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Included in

Psychology Commons

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