Which of These Is an Example of What Has Been

question 53

Multiple Choice

Which of these is an example of what has been called infantile amnesia?

• A) Betty, age 25, can recall only good memories of what happened when she was 4 to 5 years old.
• B) Johnny, age 10, has no memory of a family vacation that occurred when he was 2 years old.
• C) When faced with a horrible stressor, some people return to an earlier stage of development, such as infancy, for the comfort that it provides.
• D) Despite the fact that Alice, age 35, played the piano from ages 3 through 13, she has very little ability to do so now.

---

Definitions:

Marginal Benefit

The extra pleasure or benefit obtained from consuming an additional unit of a product or service.

Marginal Cost

Marginal cost is the increase in total cost that arises from producing one additional unit of a product or service.

Optimal Quantity

The quantity that generates the highest possible total profit.

Economic Analysis

The systematic approach to determining the optimum use of scarce resources, involving comparison of two or more alternatives in achieving a specific objective under the given assumptions and constraints.