
ERIC Number: EJ070238
Record Type: CIJE
Publication Date: 1972
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The Status of Several Conservation Abilities Across the Life-Span
Papalia, Diane E.
Human Development, 15, 4, 229-43, 72
Although the ability to conserve number held up well with age, quantity conservation performance was generally lower in the subjects over 65 years of age than in the college and adult age groups. (Author)
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