Suppose you want to find out if using smart glasses while driving a car affects the likelihood of having an accident. The number of hours that each participant slept the night before the driving test would be a(n)__________variable.
A)independent
B)control
C)extraneous
D)dependent

Question

Quizplus · Accepted Answer

The number of hours that each participant slept the night before the driving test is an extraneous variable because it is not the main variable of interest (which would be the use of smart glasses or the likelihood of having an accident) but could still potentially influence the outcome of the experiment.

Suppose You Want to Find Out If Using Smart Glasses