Zachary Has Been Very Depressed for Several Weeks

question 140

Multiple Choice

Zachary has been very depressed for several weeks. He just started therapy and went to his therapist for the first time yesterday. Today, he says that while he is still a "little down," he feels much less depressed than he was. Which of the following pairs of factors are MOST likely to have contributed to his improved mood?

• A)Placebo effect and regression toward the mean
• B)Regression toward the mean and spontaneous recovery
• C)Placebo effect and therapy
• D)Regression toward the mean and therapy

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Definitions:

Mixers

Devices used to blend or mix various ingredients together, common in food processing and preparation.

Average Total Cost

The total cost of production divided by the number of units produced, representing the cost per unit.

Mixers

Devices used to mix various ingredients together or electronic sound equipment used for blending different sounds and channels.

Average Fixed Cost

The fixed costs, such as rent or salaries, divided by the number of units produced, calculated over a period of time.