Why are extraneous variables problematic?
A) The operational definitions of extraneous variables are poor.
B) The extraneous variables are purposely manipulated by the researcher.
C) Extraneous variables are usually measured on a Likert scale.
D) The researcher does not know if the results are due to the independent variable or to the extraneous variables.

Question

Quizplus · Accepted Answer

Extraneous variables are problematic because they can confound the results of an experiment, making it unclear whether the observed effects are due to the independent variable or the extraneous variables.

Why Are Extraneous Variables Problematic