Characteristics of the environment or the participants that might interfere with an experiment's outcome are called ____ variables.
A)placebo
B)confounding
C)third-factor
D)extraneous

Question

Quizplus · Accepted Answer

Extraneous variables are variables that are not being studied but can affect the outcome of the experiment. These variables can include environmental factors or participant characteristics that can confound the results.

Characteristics of the Environment or the Participants That Might Interfere