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Klapper, Zelda S.; Birch, Herbert G. – Percept Mot Skills, 1969
Descriptors: Age, Behavioral Science Research, Cognitive Development, Correlation
Peer reviewedKerpelman, Larry C. – Child Development, 1967
Four-, five-, and six-year-old children were used as subjects in this investigation. There were 192 experimental and 96 control children used, divided equally between the three age groups. The experimental children received a 1-minute pretest exposure procedure in which 1/4 of the children observed 4 two-dimensional stimuli (irregular pentagons),…
Descriptors: Age Differences, Discrimination Learning, Grade 1, Kindergarten Children


