Date of Award:

5-1989

Document Type:

Thesis

Degree Name:

Master of Science (MS)

Department:

Psychology

Committee Chair(s)

Elwin C. Nielsen

Committee

Elwin C. Nielsen

Committee

Karl White

Committee

Richard Gordin

Abstract

Obesity is a prevalent and refractory disorder. This study consisted of a meta-analysis of research focusing on diet and exercise treatments and their impact on obesity related measures. Only studies that report data for periods of 6 months or more after treatment onset were included. Forty-four studies were analyzed. These were drawn from 16 previous reviews of the literature as well as several computer data bases.

Following are some of the tentative conclusions drawn: (a) diets consisting of improved nutritional quality yield superior results to restricted calorie diets; (b) flexible, self-directed exercise yields better results than more regimented exercise; (c) individual administration of treatment produces more weight loss than group-based treatment; and (d) long-term efficacy has not yet been demonstrated by any treatment type or modality.

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