When trying to establish that a treatment causes an effect, researchers ALWAYS try to
A) eliminate all extraneous factors
B) account for the effects of extraneous factors
C) increase the number of extraneous factors
D) sacrifice external validity

Question

Quizplus · Accepted Answer

Researchers aim to account for the effects of extraneous factors to ensure that the observed effect is due to the treatment itself, not other variables.

When Trying to Establish That a Treatment Causes an Effect