Holding a variable constant is a technique for removing one threat to ____ but it can limit the ____ of an experiment.
A) internal validity; external validity
B) external validity; internal validity
C) internal validity; reliability
D) external validity; reliability

Question

Quizplus · Accepted Answer

Holding a variable constant helps to increase the internal validity of an experiment by reducing the possibility of confounding variables affecting the results. However, this can limit the external validity of the experiment by not allowing for the generalizability of results to different settings or populations.

Holding a Variable Constant Is a Technique for Removing One