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Article

Twin children with unfamiliar partners: genotypic and gender influences on cooperation.

Journal of child psychology and psychiatry, and allied disciplines - 1 Sept 1996

Segal N L, Connelly S L, Topoloski T D

Abstract excerpt

This study applied a social-genetic perspective to examine hypotheses concerning displays of cooperation. The sample included children from 14 monozygotic and 16 dizygotic twin pairs, organized into 30 unfamiliar partnerships. Two puzzle completion sessions were videotaped and evaluated on five dimensions of cooperation. Repeated measures of analysis of variance indicated significantly higher ratings among female...

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Identifiers

PMID: 8894954
DOI: 10.1111/j.1469-7610.1996.tb01465.x

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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