Peer reviewedERIC Number: EJ147027
Record Type: CIJE
Publication Date: 1976
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Length Judgments by Squirrel Monkeys: Evidence for Conservation?
Thomas, Roger K.; Peay, Lynn
Developmental Psychology, 12, 4, 349-352, Jul 76
Purpose of study was to investigate the applicability of Piaget's theory and methods to the study of conservation in nonhumans. Two out of four subject monkeys achieved stringent and statistically significant performance criteria in sameness-difference judgment tests and showed significant generalization in the fewest possible trials. (Author/SB)
Descriptors: Animal Behavior, Cognitive Development, Concept Formation, Conservation (Concept), Research
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