title: Behavioral variability among retardates, children, and college students.
mesh_terms: D000293:Adolescent; D000328:Adult; D001307:Auditory Perception; D002657:Child Development; D004526:Efficiency; D005260:Female; D006801:Humans; D008607:Intellectual Disability; D007361:Intelligence Tests; D007600:Judgment; D008297:Male; D008570:Memory, Short-Term; D008875:Middle Aged; D011930:Reaction Time; D013334:Students; D013647:Task Performance and Analysis; D013998:Time Perception; D014495:Universities