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Liddle, Ian; Wilkinson, J. Eric – British Journal of Educational Psychology, 1987
Describes longitudinal study of the development of understanding of two logical properties of number by 36 children during the first three years of primary school in Glasgow. Piagetian tests and number skills tests were administered to explore the acquisition of number as class and number as order concepts. (Author/LRW)
Descriptors: Classification, Cognitive Development, Concept Formation, Conservation (Concept)
Wright, Mary J. – 1983
Written for a variety of audiences, this volume describes the University of Western Ontario Preschool Project in sufficient detail to permit its replication; findings of formative and summative program evaluations are reported along with research developing new criterion measures of social competence. Begun in 1973, the program was primarily…
Descriptors: Classification, Cognitive Ability, Comparative Analysis, Compensatory Education