Incubation in Insight Problem Solving

Abstract

A break in the attentive activity devoted to a problem may eventually facilitate the solution process. This phenomenon is known by the name incubation. A new hypothesis regarding the incubation mechanism is suggested. It is based on analysis of the structure of insight problems and their solution process. According to this hypothesis, no activity takes place during the break. The break's only function is to divert the solver's attention from the problem, thus releasing her mind from the grip of a false organizing assumption. This enables the solver to apply a new organizing assumption to the problem's components upon returning to the problem. The numbers of experimental studies that confirm the existence of the incubation phenomenon, and those that do not support it, are roughly equal, thus the primary experimental aim of the study is to improve the methodology of manipulating the break. This was done by starting the break only after an impasse has been reached. The results indicate that the break improves performance in insight problem solving, but its length does not make a difference. This supports the suggested hypothesis and does not support hypotheses that postulate unconscious ongoing processes during the break.

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