If the effects of an extraneous variable cannot be held constant, it is best to:
A) randomize its effects across treatments.
B) totally redesign your experiment.
C) ignore it and hope that it does not affect your results.
D) inform your subjects about the extraneous variable and tell them to ignore it.

Question

Quizplus · Accepted Answer

Randomizing the effects of an extraneous variable across treatments helps to ensure that its impact is evenly distributed, minimizing its potential bias on the results.

If the Effects of an Extraneous Variable Cannot Be Held