title: Preferences on the perceptual reaction test as a function of sex, school grade, and race.
mesh_terms: D044383:Black People; D002648:Child; D004522:Educational Status; D005008:Ethnopsychology; D005260:Female; D006801:Humans; D008297:Male; D010465:Perception; D011581:Psychological Tests; D044469:Racial Groups; D012737:Sex Factors; D044465:White People