Variables other than the independent variable on which participants differ are termed __________ variables. They threaten __________ validity.
A)confounding; internal
B)confounding; external
C)confounding; construct
D)spurious; external

Question

Quizplus · Accepted Answer

Confounding variables are variables other than the independent variable that might affect the dependent variable, thus threatening internal validity by making it unclear whether the independent variable is the sole cause of changes in the dependent variable.

Variables Other Than the Independent Variable on Which Participants Differ