Validity of self-ratings of abilities and competencies

Abstract This study examined the validity of self-estimates of ability on a vocational interest measure (the Self-Directed Search). Self-ratings of 149 female undergraduates were correlated with well-validated measures of abilities corresponding to each of Holland's six interest domains. Employing a multitrait, multimethod methodology, the study found a pattern of, at best, moderate correlations between self-ratings of ability and the objective ratings. Higher correlations were found between self-ratings of abilities and objective measures than for self-ratings of competencies on the Self-Directed Search. However, for both areas there were findings contrary to predictions. Implications for the use of self-ratings in the measurement of vocational interests and related constructs are discussed.

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