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Innovation in design depends on successful concept generation. The ideation stage of design is intended to produce multiple, varied concepts from which to develop and choose. Often, instruction on idea generation methods is not offered in engineering classes; however, when taught, it is commonly through techniques like brainstorming, which lacks specific ways to generate designs. Further, existing ideation strategies are not based on evidence from designers or rigorous testing through empirical studies.
Daly et al. (Mon,) studied this question.