In a psychological experiment, which of the following best describes what an extraneous variable refers to?
Any variable other than the independent variable (IV) that could potentially affect the dependent variable (DV) if not controlled.
The variable that the researcher deliberately manipulates to observe its direct impact on behavior.
A variable that changes systematically with the independent variable, making it impossible to isolate the true cause of the effect.
The specific quantitative outcome or metric used to record the final score or behavior of the participants.
