Perry Is Trying to Solve the Following Riddle: "What Creature

question 60

Multiple Choice

Perry is trying to solve the following riddle: "What creature walks first on four legs, then two, then three?" He repeatedly tries to think of an animal that might walk on three legs, but he can only think of animals that walk on either two or four legs. Finally, he is told the correct answer: a human being, who crawls, then walks, then walks with a cane. Which one of the following is the most likely explanation of Perry's difficulty?

• A) He has encoded the problem with too narrow a definition of "legs."
• B) He doesn't have enough working memory capacity.
• C) He doesn't have a sufficient knowledge base.
• D) He is suffering from functional fixedness.

---

Definitions:

Production Possibility Frontier

A curve depicting all maximum output possibilities for two goods, given a set of inputs resources and technology, illustrating trade-offs and opportunity costs.

Output Efficiency

The state of producing the maximum output with the minimum wasted effort or expense.

Productively

In a manner that results in a high degree of effectiveness or efficiency in producing desired outcomes.

Fully Utilizing

Making the most efficient use of resources, assets, or capacities to achieve their maximum potential output or productivity, often in the context of manufacturing processes or economic production.