The discriminability of form among young children.
D000367:Age Factors; D000704:Analysis of Variance; D001288:Attention; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D004192:Discrimination, Psychological; D004526:Efficiency; D005163:Factor Analysis, Statistical; D005260:Female; D005556:Form Perception; D006801:Humans; D007360:Intelligence; D008297:Male; D008722:Methods; D012737:Sex Factors; D012923:Social Class; D014792:Visual Acuity