Multiple Choice
When comparing samples of middle-class and impoverished twins, researchers have found that
A) Genes influence behaviour more greatly in the impoverished samples
B) About 50% of the variation in middle-class twins was due to random chance
C) Genes accounted for less than 10% of the IQ differences among impoverished twins
D) Less than 40% of the IQ differences in middle-class twins was accounted for by genes
Correct Answer:
Verified
Correct Answer:
Verified
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