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Question
research on the role of heredity in temperament indicates that
a)heritability estimates derived from twin studies suggest a major role for genetic factors in temperament and personality.
b)identical twins are more similar than fraternal twins across a wide range of temperamental traits and personality measures.
c)only 5 to 10 percent of individual differences in temperament have been attributed to differences in genetic makeup.
d)heritability estimates are much higher for expressions of positive emotion than for negative emotion.
Answer
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