One way to control the influence of extraneous variables is to:
A) pretend they do not exist when analyzing your data.
B) tell your subjects to ignore any extraneous variables.
C) hold extraneous variables constant across the levels of your independent variable.
D) All of the answers are correct.

Question

Quizplus · Accepted Answer

Holding extraneous variables constant across the levels of the independent variable helps ensure that they do not confound the results, allowing for a clearer interpretation of the effect of the independent variable on the dependent variable.

One Way to Control the Influence of Extraneous Variables Is