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DeVries, Rheta – 1971
A study was conducted to clarify a number of issues related to Piaget's theory of invariant sequantiality in child cognitive development. Ss were 143 middle-class white children of bright, average and retarded psychometric abilities (measured by performance on the Stanford-Binet Intelligence Test). Bright and average Ss were chronologically aged…
Descriptors: Cognitive Development, Cognitive Processes, Cognitive Tests, Compensation (Concept)
VAN DE RIET, VERNON; VAN DE RIET, HANI – 1967
TO IMPROVE THE DEVELOPMENTAL RATE OF CULTURALLY DEPRIVED CHILDREN, A PRESCHOOL PROGRAM WAS OFFERED WHICH CONSISTED OF A PLANNED SEQUENCE OF ENVIRONMENTAL STIMULATION BASED ON THE THEORY THAT COGNITIVE DEVELOPMENT PROCEEDS THROUGH MOTOR-PERCEPTUAL-SYMBOLIC PHASES. SEVENTY-TWO DISADVANTAGED CHILDREN WERE DIVIDED INTO THREE MATCHED GROUPS. GROUP A…
Descriptors: Child Development, Cognitive Development, Cognitive Measurement, Developmental Programs