Date of Award

1-1-2011

Language

English

Document Type

Dissertation

Degree Name

Doctor of Philosophy (PhD)

College/School/Department

Department of Psychology

Program

Clinical Psychology

Content Description

1 online resource (vii, 204 pages) : illustrations (some color)

Dissertation/Thesis Chair

Drew Anderson

Committee Members

Mitch Earleywine, Kevin Williams

Keywords

assessment, Eating disorders, motivation, symptom change, Compulsive eating, Motivation (Psychology), Symptoms

Subject Categories

Clinical Psychology

Abstract

The frequencies of behavioral symptoms of eating disorders (e.g., binge eating and purging) are highly variable across and within individuals. The presence and severity of these symptoms define both diagnostic boundaries and outcome states, but validated tools to retrospectively assess symptom frequencies that capture variability at the week-level do not exist. This study evaluated the reliability and validity of an assessment designed for this purpose in a mixed eating disorder sample of 113 individuals recruited from the community who provided symptom frequency data once weekly for 12 weeks and completed the Interactive, Graphical Assessment Tool for Eating Disorders (IGAT-ED) on three occasions. The results indicate that, while the IGAT-ED would benefit from further refinement, it performed better than available measures for retrospective symptom frequency assessment in the eating disorders and did so at a greater level of detail than any tool available.

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