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Hick, Thomas L.; And Others – 1977
As part of a longitudinal study of the New York State Experimental Prekindergarten Program (PreK), several measures were administered to the four-year-old children in the fall of 1975 and to a sample of the same children in the spring of 1976. Analyses of covariance were carried out on three measures of cognitive development with one of five…
Descriptors: Age Differences, Analysis of Covariance, Cognitive Development, Cognitive Tests

Irvine, David J.; And Others – 1977
Approximately 6,500 children are enrolled per year in the New York State Experimental Prekindergarten Program (PreK). In 1975-76 a longitudinal study was begun to determine the program's impact on the development of children while enrolled in the program and in the primary grades. Samples from a population of 5,245 four-year-old prekindergarten…
Descriptors: Age Differences, Analysis of Covariance, Classroom Observation Techniques, Cognitive Development