The basic premise of identical-twins-reared-apart research is that the origins of a behaviour 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

Identical-twins-reared-apart research holds genetics constant because the twins have the same genetic makeup, while varying the environment since they are raised in different settings. This allows researchers to study the influence of environmental factors on behavior.

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