A researcher tries to make sure that subjects in the experimental and control groups are very similar to each other in order to reduce the effects of _____ variables.

Question

Quizplus · Accepted Answer

Extraneous variables are those that are not the focus of the study but could influence the outcome. By ensuring the experimental and control groups are similar, the researcher aims to minimize the impact of these variables.

A Researcher Tries to Make Sure That Subjects in the Experimental