The purpose of the study was to investigate Japanese children's performance on a test of non-verbal ability, namely, the Draw-a-Person: Quantitative Scoring System-DAP (Naglieri, 1988). The construct validity and concurrent validity of the DAP were examined and Japanese children's performance (n=400) was compared with the American normative group. The relationship between student performance on the DAP and school achievement was also investigated. Results of the study indicated that a general developmental trend (a measure of construct validity) was apparent for both Japanese boys and girls. Although younger Japanese children performed better than their American counterparts, a leveling effect was noted for older Japanese children. Concurrent validity estimates were based on the correlation between the DAP and the Matrix Analogies Test-Short Form; correlation coefficients were higher than those reported in the DAP test manual. Generally, school achievement (based on teacher ratings) was not related to student performance on the DAP.