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The speed of decision-making reflects our prejudices

The speed with which we reach a decision can reveal the strength of our biases

David Williams/Bloomberg via Getty Images

In a large group of independent decision makers, the fastest to make a decision also tend to be the ones with the strongest initial biases. The finding comes from a mathematical model of decision-making that could be widely applied in biology.

“Many decision-making models in economics assume that people make a decision based on one or two pieces of information, but I think these models need to be expanded,” says Kresimir Josic at the University of Houston in Texas…

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