From a large class who had been pretested on the I-E Locus of Control Scale and a self-esteem measure, 30 overweight and 20 normal-weight students were selected and measured to determine their percentage of overweight. They were then asked to complete questionnaires measuring knowledge of health-related information and of specific obesity-related information. Results confirmed (a) a negative correlation between self-esteem and percentage overweight and (b) less knowledge of broad, health-related information among obese students. No relation was found between percentage of overweight and I-E scale scores.
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Davis et al. (1987) studied this question.
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