AP Psychology Quiz
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BIOLOGICAL BASES OF BEHAVIOR
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Identical twins reared apart show high similarity in extraversion; which design provides this evidence?
A
Twin study of monozygotic twins reared apart, estimating genetic influence by reducing shared-family environmental similarity.
B
Cross-sectional experiment randomly assigning children to different families to isolate genetic effects on extraversion development.
C
Genetic determinism: extraversion is fixed at conception, so parenting, peers, and culture cannot affect sociability.
D
Heritability misuse: high similarity means extraversion is 90% genetic for each twin, regardless of life experiences.
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