| Sumario: | Six months alter taking the Kuder Preference Record (KPR) with the usual estimated-interest set, 246 ninth graders retook the KPR with an estimated- ability set. The mean Pearson coefficient for the total sample, between soores for each student, was .59. It avenged higher for girls than for boys and also higher for the more intelligent students. Separate correlations between estimated-interest and estimated-ability for each Kuder activity area differed no greater than chance for students classed by sex, intelligence, or social class But slight differences in correlation between the eats, when viewed across all 10 activity areas, suggested a social role determinant of measured interest. The data suggest that interest inventories give results which confound estimated ability with interest.
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