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MALPASS, LESLIE F.; AND OTHERS – 1959
THE BASIC INTENTION OF THE STUDY WAS TO INVESTIGATE MENTAL RETARDATION IN TERMS OF PERCEPTUAL AND RESPONSE ABILITY DEFINITIONS, TO TEST THESE ABILITY DEFINITIONS OBJECTIVELY, AND TO EVALUATE THEM AS THEY RELATE TO THE INTELLIGENCE FACTOR. BOTH PERCEPTUAL AND RESPONSE FACTORS WERE EXAMINED FROM THE STANDPOINT OF MENTAL DISTURBANCES WITH REFERENCE…
Descriptors: Audiovisual Aids, Auditory Discrimination, Behavior Patterns, Child Development