How To Understand Things

successful problem solvers are more able to determine the deep structure of a problem before they proceed to match a strategy to it. Less successful problem solvers are more like most students in the Ambiguous Sorting Task: they mentally classify problems only by superficial, overtly stated features, like the domain context. For the best performers

Questioning the original questions. (Why did I think that? Was I correct? What conclusions can I draw from the reasoning process?)