The purpose of this synthesis study was to assess the reliability and validity of the Draw-A-Scientist Test (DAST) and its variations across multiple studies, aiming to understand limitations and propose modifications for future application within and beyond the science domain. Given the existence of multiple DAST versions, this study quantified…

Examines the incremental validity of Differential Ability Scales (DAS) factor scores in predicting standardized achievement scores in Word Reading, Basic Number Skills, and Spelling by using a nationally representative sample stratified on gender, ethnicity, geographic region, parental education, and educational classification. Results show that…

The relationship between general cognitive ability and both training and job performance is reviewed. Existing scientific data show that there are large differences in training achievement and in job performance. Consequently, any good predictor of achievement or performance can yield a large gain in workforce productivity. General cognitive…