A psychologist says, "We know that genetics is the cause of antisocial personality disorder because the concordance rates for monozygotic (MZ)twins is higher than that for dizygotic (DZ)twins." Why should such findings be interpreted with caution?

Question

Quizplus · Accepted Answer

While genetics may play a role in the development of antisocial personality disorder, it is important to consider other factors that may influence the findings of twin studies, such as environmental influences. Therefore, interpreting the findings with caution is warranted. Option A is incorrect because concordance rates for twins can provide information about the genetic cause of disorders. Option B is incorrect because MZ twins are more genetically alike than DZ twins. Option D is incorrect because concordance rates are considered to be reliable statistics in twin studies.

A Psychologist Says, "We Know That Genetics Is the Cause