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twin study

twin study A twin study is a research method that uses pairs or sets of twins to examine genetic influences on human traits and behavior.

A twin study is a research method that uses pairs or sets of twins to examine genetic influences on human traits and behavior. It is used to help detect possible genetic causes of differences among people.

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Sources

Drafting source: U.S. National Library of Medicine. Medical Subject Headings (MeSH), 2026 descriptor edition. “Twin Study” (D018486).
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PsychTerms (psychterms.org), CC BY 4.0, version 1. “twin study.” Development preview.

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