When Testing the Effect of Noise on the Performance of a Task

question 33

Multiple Choice

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

Understand the treatment of withdrawals in relation to the capital account.

Analyze and correct errors arising from omitted closing entries.

Understand the mechanisms by which substances are transported across cell membranes.

Identify the primary sources of energy for the human body.

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