Genetic and Environmental Influences on Two Measures of Speed of Information Processing and Their Relation to Psychometric Intelligence: Evidence from the German Observational Study of Adult Twins.

Neubauer, Alioscha C.; Spinath, Frank M.; Riemann, Rainer; Angleitner, Alois; Borkenau, Peter

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Peer reviewed

ERIC Number: EJ625812

Record Type: CIJE

Publication Date: 2000

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ISSN: ISSN-0160-2896

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Genetic and Environmental Influences on Two Measures of Speed of Information Processing and Their Relation to Psychometric Intelligence: Evidence from the German Observational Study of Adult Twins.

Neubauer, Alioscha C.; Spinath, Frank M.; Riemann, Rainer; Angleitner, Alois; Borkenau, Peter

Intelligence, v28 n4 p267-89 2000

Administered 2 elementary cognitive task (ECT) tests and 2 psychometric intelligence tests to 169 monozygotic and 131 dizygotic pairs of twins in Germany. Reaction times correlated negatively with psychometric intelligence, and habitability estimates were substantial for both psychometric intelligence and reaction times on the ECTs. Multivariate genetic analyses suggest that most of the phenotypic correlation between mental speed and intelligence is due to genetic factors. (SLD)

Descriptors: Adults, Cognitive Processes, Environmental Influences, Foreign Countries, Genetics, Heredity, Intelligence, Psychometrics, Reaction Time, Twins

Publication Type: Journal Articles; Reports - Research

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Audience: N/A

Language: English

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Note: Research supported by the German Research Foundation through grant Az:An 106/13-1 and the Austrian Science Foundation through grant P11196.

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