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Spitz, Herman H.; Webreck, Cindy A. – Perceptual and Motor Skills, 1971
Descriptors: Age Differences, Cognitive Processes, Mental Retardation, Performance Factors
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Augustyniak, Kristine M.; Cook-Cottone, Catherine P.; Calabrese, Nancy – Psychology in the Schools, 2004
This study assesses the predictive validity of the Phelps Kindergarten Readiness Scale (PKRS) for later academic achievement and explores the utility of a domain-specific measure of kindergarten readiness. Kindergarten readiness scores were significantly correlated with both math and language arts achievement as measured by New York State…
Descriptors: Measures (Individuals), Kindergarten, Structural Equation Models, Predictive Validity