Development and Validation of the Diet-Related Beliefs of Exercisers Scale

in Journal of Sport and Exercise Psychology
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  • 1 University of Cologne
  • | 2 The University of Newcastle
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Many exercise-based weight-loss interventions result in considerably less weight loss than predicted. One possible explanation could be that people have certain beliefs about the interplay of exercise and food that also influence their eating behavior, such as the belief that food is a reward for exercise. The current research outlines a systematic multiphase process to develop a psychometrically sound scale to assess these beliefs. In Study 1, regular exercisers (N = 520) completed an exploratory questionnaire on their beliefs related to diet and exercise. In Study 2 (N = 380), the factor structure of the newly developed scale was corroborated by confirmatory factor analysis. In addition, a test–retest (N = 166) was used to confirm reliability and stability. In sum, the Diet-Related Beliefs of Exercisers Scale with its four subscales (“Refrain from Eating,” “Food as Reward,” “Healthy Eating,” and “Nutritional Replenishment”) represents a valid and reliable measure of exercisers’ diet-related beliefs.

Dohle is with the Dept. of Psychology, University of Cologne, Cologne, Germany, and the Social Cognition Center Cologne, University of Cologne, Cologne, Germany. Duncan is with the Faculty of Health and Medicine, and Bucher, the Faculty of Science, University of Newcastle, Newcastle, NSW, Australia.

Dohle (simone.dohle@uni-koeln.de) is corresponding author.

Supplementary Materials

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