Wujec points out that young children usually build taller and more interesting structures than most adults because children build incrementally on a series of successful structures in the time allotted. Adults spend a lot of time planning, produce one final version, and then run out of time to correct any mistakes. The youngsters provide a valuable lesson that big bang development — namely, excessive planning and then one shot at product creation — doesn’t work. Formality, excessive time detailing uninformed future steps, and a single plan are often detriments to success.
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