Longitudinal and Cross-Sectional Twin Data on Cognitive Abilities in Adulthood: The Swedish Adoption/Twin Study of Aging.

Finkel, Deborah; Pedersen, Nancy L.; Plomin, Robert; McClearn, Gerald E.

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Peer reviewed

ERIC Number: EJ576077

Record Type: Journal

Publication Date: 1998

Pages: N/A

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ISSN: ISSN-0012-1649

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Longitudinal and Cross-Sectional Twin Data on Cognitive Abilities in Adulthood: The Swedish Adoption/Twin Study of Aging.

Finkel, Deborah; Pedersen, Nancy L.; Plomin, Robert; McClearn, Gerald E.

Developmental Psychology, v34 n6 p1400-13 Nov 1998

Collected data on twins' performance on 13 cognitive variables measured three times at three-year intervals. Twins were monozygotic or dizygotic pairs reared together or apart and were in six cohorts ranging in age from 41 through 84 years. Found stable mean cognitive performance across time on eight measures for the younger cohorts, and decreasing performance for older cohorts. (BC)

Descriptors: Age Differences, Aging (Individuals), Cognitive Ability, Foreign Countries, Heredity, Longitudinal Studies, Memory, Middle Aged Adults, Older Adults, Spatial Ability, Twins, Verbal Ability

Publication Type: Journal Articles; Reports - Research

Education Level: N/A

Audience: N/A

Language: English

Sponsor: N/A

Authoring Institution: N/A

Identifiers - Location: Sweden

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