title: Factorial structure of the Wechsler Preschool and Primary Scale of Intelligence between the ages of 4 and 6 and one-half.
mesh_terms: D002648:Child; D002657:Child Development; D002675:Child, Preschool; D003071:Cognition; D005163:Factor Analysis, Statistical; D005260:Female; D005364:Field Dependence-Independence; D006801:Humans; D007361:Intelligence Tests; D008297:Male; D011594:Psychometrics; D014705:Verbal Behavior