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 think only 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 represented 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 engaging in divergent thinking when convergent thinking is required.

Question

Quizplus · Accepted Answer

Perry's difficulty likely stems from interpreting "legs" too narrowly, not considering a cane as a third "leg."

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