Post from the Office of Neuroscience Research
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There’s just one problem with brainstorming: it doesn’t work. Keith Sawyer, a psychologist at Washington University, summarizes the science: “Decades of research have consistently shown that brainstorming groups think of far fewer ideas than the same number of people who work alone and later pool their ideas.”
In fact, the very first empirical test of Osborn’s technique, which was performed at Yale in 1958, soundly refuted the premise. The experiment was simple: Forty-eight male undergraduates were divided into twelve groups and given a series of creative puzzles. The groups were instructed to carefully follow Osborn’s brainstorming guidelines. As a control sample, forty-eight students working by themselves were each given the same puzzles. The results were a sobering refutation of brainstorming.
Not only did the solo students come up with twice as many solutions as the brainstorming groups but their solutions were deemed more “feasible” and “effective” by a panel of judges. In other words, brainstorming didn’t unleash the potential of the group. Instead, the technique suppressed it, making each individual less creative.
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