When testing the effect of noise on the performance of a task, Marco tests half the participants in a cool, quiet room and the other half in a hot, noisy room. In this case, what confounding variable has Marco failed to eliminate?

A) Task performance

B) Noise level

C) Gender of participants

D) Room temperature

Question

Damian Dawson

Social Studies

12 April, 22:00

When testing the effect of noise on the performance of a task, Marco tests half the participants in a cool, quiet room and the other half in a hot, noisy room. In this case, what confounding variable has Marco failed to eliminate?

A) Task performance

B) Noise level

C) Gender of participants

D) Room temperature

+5

Answers (1)

Know the Answer?

Ronin Patel · Answer 1

D) Room temperature

Explanation:

For the experiment to work and have good reliable results there should only be one variable. In this case, the variable is the noise level, and the different room temperatures would influence the experiment's results.