Multiple Choice
When Dr. Hernandez compares happiness in a sample of fraternal and identical twins, she finds fraternal twins' scores on this trait differ a great deal, while identical twins' scores are virtually "the same." Dr. Hernandez would conclude that happiness is:
A) mainly genetic.
B) mainly environmental.
C) due to our upbringing.
D) greater for identical twins than fraternal twins.
Correct Answer:
Verified
Correct Answer:
Verified
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