"Stimulus over-selectivity" describes a phenomenon in which an individual responds only to a subset of the stimuli present in the environment and, thus, may restrict learning. This study aimed to develop understanding of the nature and role of over-selectivity in autism spectrum disorder (ASD) by analyzing the relationship of…

This study investigated developmental memory capacity through picture span and feature binding. Participants included third grade students and college age adults with typical development. Picture span was used to assess working memory capacity when participants were asked to identify, locate, and sequence common visual-graphic symbols from…

Statistically significant correlations of .37 and .57 were obtained between infant recognition memory scores obtained at four to seven months and later vocabulary tests of intelligence, for 54 children tested at four and for 39 children seen at seven years, respectively. Obtained values did not vary by sex. (Author/RD)

Presents a study of ways in which the PPVT may be modified to increase its sensitivity to culturally specific factors. The need for separate tests for Blacks and whites is not supported by data; rather more caution indicated in selecting to whom standardized tests should be administered. (Author)

The effect of a formal, structured approach to language development on preschool children is the subject of this project study. From August 1965 to August 1966, 157 programs administered to 1,663 children explored mental ability, auditory and visual discrimination, language use, vocabulary, and motivation. Children attending day care centers,…

AN INSTRUMENT FOR MEASURING VISUAL DISCRIMINATION ABILITY WITHOUT CONFOUNDING VARIABLES OF MOTOR SKILLS HAS BEEN CONSTRUCTED. TO AVOID THE EYE-HAND COORDINATION USUALLY REQUIRED ON THESE TESTS, A SELECTION, RATHER THAN A DRAWING, RESPONSE WAS DEVELOPED. THIS TEST, THE UNIVERSITY OF CALIFORNIA AT LOS ANGELES DISCRIMINATION INVENTORY (VDI), CONSISTS…