Are Decisions Based Only on Charts Better?

Posted on Sep 17, 2012 by George F Huhn
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In some cases, the answer is “yes.” In a study of economists summarized in the HBR Blog Network entitled “Economists Are Overconfident. So Are You,” Justin Fox describes a study where economists were asked to make predictions based on analyzing numerical data alone, analyzing numerical data and scatter graphs, or analyzing just the scatter graphs. […]