A total of 80 children 4 to 7 years of age participated in a study attempting to establish (1) the frequency of classification performance by age and in relation to available classification criteria, and (2) the degree of preference for different classification criteria by age, particularly differences between figurative and operative criteria.…

This study tested the hypothesis that category naming is more difficult than instance naming because it requires suppression of readily available instance names. In experiment 1, junior kindergarten and grade one children named pictures of single objects under two conditions: "own" name (i.e., instance or basic level) or…

This study examined whether the gender stereotypes used for comparison in a popular test of gender development--the Sex Role Learning Index (SERLI)--are relevant to contemporary children in Canada. Findings indicated that the SERLI's feminine stereotypes were no longer normative, while the SERLI's masculine stereotypes were still temporally valid.…

The career preparedness component of British Columbia's Career and Personal Planning (CAPP) curriculum commits two fundamental category mistakes in its classification of employability skills, both with potentially serious consequences for education. The first type of category mistake is incorrectly conflating distinct categories of concepts under…