Factor analysis of correlations among the measures of recall clustering, free sorting, and recognition errors revealed significant convergent validity for consistent use of a semantic perceptual organization strategy in the three tasks. Ten-year-old, adult, and elderly adult subjects relied on a semantic strategy; four- and six-year-olds encoded…

THE EXPERIMENTS ATTEMPTED TO MEASURE ACHIEVEMENT, MOTIVATION, DELAY OF GRATIFICATION, ASPECTS OF PERCEPTION DEVELOPMENT, COGNITION, AND LANGUAGE OF CULTURALLY DEPRIVED PRESCHOOL CHILDREN. THERE WERE FOUR EXPERIMENTAL GROUPS--CHILDREN ATTENDING SUMMER SCHOOL FOR 3 YEARS AND HAVING CONTACTS WITH A HOME VISITOR IN THE FALL, WINTER, AND SPRING MONTHS,…

The purpose of the study was to describe ways in which disadvantaged children differ from their more advantaged peers in the areas of cognitive and affective developmental patterns, and to use this description to restructure curricular experiences for disadvantaged children. Five groups of approximately 30 preschool children each were tested three…