Genetics and Intelligence: Recent Data.

Plomin, Robert; DeFries, J. C.

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Peer reviewed

ERIC Number: EJ218698

Record Type: CIJE

Publication Date: 1980

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Genetics and Intelligence: Recent Data.

Plomin, Robert; DeFries, J. C.

Intelligence, v4 n1 p15-24 Jan-Mar 1980

Extensive data on twins, nontwin siblings, siblings separated by adoption, and parent-child similarity indicate that the heritability of intelligence is closer to .50 than to .70. Differences could be due to environmental or genetic changes in the population, or to methodology. (Author/CP)

Descriptors: Adopted Children, Correlation, Environmental Influences, Family Influence, Heredity, Intelligence Differences, Intelligence Quotient, Nature Nurture Controversy, Research Methodology, Research Reviews (Publications), Siblings, Twins

Publication Type: Journal Articles; Information Analyses

Education Level: N/A

Audience: N/A

Language: English

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