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Bridgham, Robert G. – J Res Sci Teaching, 1969
Descriptors: Achievement, Cognitive Development, Concept Formation, Elementary School Science
Lewis, Michael; And Others – 1972
This longitudinal study examined the interrelationship between sex of the child and sex of the parent on the expression of attachment behaviors during the child's first 2 years. Special consideration was given developmental changes in the attachment structure and the relationship of attachment to cognitive development. Ten boys and 10 girls were…
Descriptors: Age Differences, Attachment Behavior, Cognitive Development, Infant Behavior