Which of the following is NOT an extraneous variable?
A) maturation
B) statistical regression
C) testing effects
D) selection bias
E) All of the above are extraneous variables.

Question

Quizplus · Accepted Answer

All the options listed (maturation, statistical regression, testing effects, and selection bias) are considered extraneous variables, which can affect the outcome of an experiment if not controlled.

Which of the Following Is NOT an Extraneous Variable