The present study investigated strength gains and change in self-concept and locus of control related to participation in a weight-training program. 37 college football players were administered Rotter's Internal-External Locus of Control Scale and Gough and Heilbrun's Adjective Check List prior to and immediately following their participation in a 14-wk. weight-training program. While participants who scored high on the Femininity scale and high on externality on the I-E scale achieved greater gains on some of the strength measures, for the most part I-E and Adjective Check List scores did not predict strength changes. A positive correlation was found between change in total strength and change in score on the Self-confidence scale. Regardless of change in strength, subjects showed an increase in scores on the Order scale from pretest to posttest. The need for further research on the relationships between participation in a weight-training program, gains in strength and self-concept is discussed.
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