Zachary Has Been Very Depressed for Several Weeks

question 7

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:

Unequivocally Pareto Optimal

A situation where an allocation cannot be adjusted to make one individual better off without making someone else worse off, signifying an optimal allocation of resources.

Pareto Optimality

A situation where resources are distributed in such a way that it's not possible to improve the position of any individual or satisfy a preference more fully without adversely affecting at least one other individual or preference criterion.

Market Imperfections

Situations in which the assumptions of a perfectly competitive market are not met, leading to inefficiencies in market outcomes.

Labor Force

The total number of people employed or actively seeking employment in a given economy.