Abstract
This study examined psychometric properties of the Tempe Sorting Task (TST), a new measure of executive function (EF) for children. To increase the meaningfulness of test score interpretations, an age-appropriate construct was employed to incorporate Denckla's description of EF. Multiple measures of EF, including the TST, were collected for children (N = 81). Interrater reliability estimates of the TST scores across trials were high. Split-half reliability estimates were slightly lower and varied across trials. Multiple significant correlations were observed between the TST, Expressive Attention task, and teacher Attention Deficit Hyperactivity Disorder (ADHD) rating scales. Furthermore, statistically significant differences in TST scores between children with elevated versus normal-range ADHD ratings (dTrial1 = 1:49, dTrial2 = 0:86) provided some evidence of the discriminatory power of the TST. Overall, results provided some evidence supporting the interpretation of TST measures as indicators of children's EF. Advantages of the TST over existing children's EF measures are considered.
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