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Download full textRuud, Orville George – 1976
The purpose of this study was to develop a paper-pencil test of Piagetian levels of proportional thinking for junior high school students in the context of physical science. Two thousand twenty-seven students were tested to develop the instrument and the description of its characteristics. The final form consisted of 24 items with four subtests…
Descriptors: Cognitive Development, Developmental Tasks, Doctoral Dissertations, Educational Research
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
