The basic premise of identical-twins-reared-apart research is that the origins of a behavior can be identified by
A) varying both genetics and the environment.
B) holding both the environment and genetics constant.
C) holding an environment constant while varying genetics.
D) holding genetics constant while varying the environment.

Question

Quizplus · Accepted Answer

The basic premise of identical-twins-reared-apart research is to hold genetics constant (since identical twins share the same genetics) while varying the environment (since they are reared apart). This allows researchers to study the effects of environmental differences on individuals with the same genetic makeup.

The Basic Premise of Identical-Twins-Reared-Apart Research Is That the Origins