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

Question

Quizplus · Accepted Answer

Extraneous variables are any variables that can affect the outcome of the study, but are not part of the independent or dependent variables being tested. By minimizing differences between the experimental and control groups, the effects of extraneous variables can be reduced, leading to more accurate results. Random variables are not controlled by the researcher and are considered a part of normal variability. Dependent variables are the outcome being studied, and independent variables are the ones being manipulated by the researcher.

A Researcher Tries to Make Sure That Subjects in the Experimental