Suppose that a researcher reports that he or she has evidence for nonshared environmental influences on a personality trait.What data would he or she have to provide to rule out the influence of individual differences in genotype?

Question

Quizplus · Accepted Answer

To rule out the influence of individual differences in genotype, the researcher would need to show that monozygotic twins, who share the same genotype, displayed differences that can only be attributed to environmental influences. This is because monozygotic twins have identical genetic makeup, so any differences between them would have to be due to non-genetic (environmental) factors.

Suppose That a Researcher Reports That He or She Has