Multiple Choice
Twin and adoption studies suggest that differences in shared environments e.g., overall family, warmth, social class, and other features of the family environment that siblings share) account for approximately what percentage of the variance of trait scores?
A) 70%-80%
B) 40%-50%
C) 20%-25%
D) 0%-5%
Correct Answer:

Verified
Correct Answer:
Verified
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