This study investigated in 40 young university women the possible relationships between levels of testosterone and specific measures of overall self-confidence and self-confidence in approaching mathematics. Correlations of -.43 and -.49 with each measure of self-confidence, respectively, and level of testosterone were found in the portion of the sample displaying normal ovulatory function. There was no correlation (r = .02) between the measures of mathematics and overall self-confidence. 19 women did not display normal ovulatory function. The only significant result for the full sample was a significant correlation of -.73 between scores on the Bern Sex Role Inventory Masculinity and overall self-confidence. The reasons for the high anovulatory percentage are not clear, nor are the associations which anovulation might have with either hormonal levels or the personality characteristics in question.
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