A criticism of the Minnesota study that examined adopted twins is that:
A) the adopted homes provided completely different environments
B) only recessive genes were examined
C) adoption agencies placed children into adoptive homes randomly
D) different adopted homes provided a relatively similar environment

Question

Quizplus · Accepted Answer

The criticism of the Minnesota study is that different adopted homes provided a relatively similar environment, which could have influenced the study's results. The study focused on genetic influences on intelligence, rather than environmental factors, so the similarity in adopted home environments could have confounded the results.

A Criticism of the Minnesota Study That Examined Adopted Twins