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DeLuca, Frederick P. – Journal of Research in Science Teaching, 1981
Reexamined Piagetian stages of males (N=182) and females (N=176), ages nine to eighteen, using cluster analysis, and sought information concerning occurrence of stages and influence of different tasks and gender on cluster patterns. Findings, among others, indicate that deviation from Piagetian stages was influenced by gender and type of task.…
Descriptors: Cluster Analysis, Cognitive Development, Cognitive Tests, Elementary School Science