An extraneous variable influences the difference __________ groups.
A) within
B) between
C) both within and between
D) None of the above; extraneous variables do not influence groups in an experiment.

Question

Quizplus · Accepted Answer

Extraneous variables influence the differences between groups by potentially confounding the results, making it difficult to determine if the observed effects are due to the independent variable or the extraneous variable.

An Extraneous Variable Influences the Difference __________ Groups