Para decidir hay que pensar

Por Blas - 2 de Septiembre, 2008, 11:37, Categoría: General

Gut Decisions May Not Be Smart


It was this last bit of advice ­ sleep on it ­ espoused in a paper by Dutch researchers and published in the journal Science in 2006, that really irked Ben Newell, a researcher himself at the University of New South Wales in Australia. That paper suggested that people might be better off relying on unconscious deliberation to make complex decisions ­ despite an abundance of scientific evidence to the contrary ­ given that the human brain can reasonably only focus on a few things at a time. Once people have all the necessary information to make a decision, the paper found, too much conscious deliberation could lead to unnecessary attention given to extraneous factors.

Newell's answer to the Science paper is called "Think, Blink or Sleep on It? The Impact of Modes of Thought on Complex Decision Making," co-authored with colleagues at the University of New South Wales and the University of Essex in England, and published in the most recent issue of the Quarterly Journal of Experimental Psychology. It took four experiments to make the point, but Newell's conclusion is that unconscious deliberation is no more effective than conscious deliberation ­ using lists of pros vs. cons, for example ­ for making complex decisions, and that if anything, people who deliberate methodically are better off. "If you have to make decisions, you have to do your homework," says Newell. "There is no magic unconscious."

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