The chimpanzee Sultan used a short stick to pull a longer stick that was out of reach into his cage. He then used the longer stick to reach a piece of fruit. Researchers hypothesized that Sultan's discovery of the solution to his problem was the result of

Question

Quizplus · Accepted Answer

Sultan's behavior suggests that he suddenly realized how to solve the problem, indicating that he used insight rather than trial and error, heuristics, or fixation.

The Chimpanzee Sultan Used a Short Stick to Pull a Longer