Studying only twins might help an investigation's
A) external validity
B) internal validity
C) both a and b
D) neither a nor b

Name: Studying only twins might help an investigation's A) external validity B) internal validity C) both a and b D) neither a nor b
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Studying only twins can help control for genetic variables, thus enhancing internal validity by reducing confounding variables. However, it may not improve external validity as the findings may not generalize to non-twin populations.

Studying Only Twins Might Help an Investigation's