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The answer lies in the uncomfortable fact that, when it comes to problem solving, we humans tend to be poor analysts. We analyze whatever facts we have, make suppositions about those aspects for which we have no facts, conceive of a solution, and (like the managers of Family Frozen Foods) hope it solves the problem.
Morgan D. Jones • The Thinker's Toolkit: 14 Powerful Techniques for Problem Solving
analysts engage in a narrowing and broaden-ing process as they learn more and refine their understand-ing of an intelligence problem or situation. Their findings eventually culminated into the Elm et al Conver-gent/Divergent model