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O'Malley, John J. – 1972
Review of reversal learning data obtained from Ss of various developmental phases suggested that overtraining increases perseveration in pre-school children, and decrease perseveration in older (e.g., 1st grade) children. The present experiment tested this apparent trend. Children of two age groups (X = 4 yrs., 4 mos., vs. X = 6 yrs., 5 mos.)…
Descriptors: Age Differences, Cognitive Development, Criterion Referenced Tests, Data Analysis
Cicirelli, Victor G.; And Others – 1972
This study identified behaviors of sibling pairs interacting on a cognitive task and related these behaviors to sibling structure variables (age and sex of each sibling and age spacing between them) and to measure of cognitive abilities of the younger sibling. Subjects were 160 sibling pairs randomly selected from appropriate subpopulations of…
Descriptors: Age Differences, Behavior Development, Classification, Cognitive Development