Discrimination of symmetrical and asymmetrical dot patterns by retardates.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004193:Discrimination Learning; D005260:Female; D005556:Form Perception; D006801:Humans; D008607:Intellectual Disability; D007361:Intelligence Tests; D008297:Male; D011581:Psychological Tests