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| Criterion |  Innovation Reverse Brainstorming |  Product Discovery Assumption Mapping |  Innovation Morphological Analysis |
|---|---|---|---|
Purposedifferent | For persistent errors or blockages, the method shifts the view to the opposite of the desired effect. It exposes the mechanics of failure and makes hidden causes easier to grasp. This makes improvement more concrete and the problem clearer. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | For a search for solutions with many degrees of freedom, a grid emerges for systematic combinations. The method separates features, variants, and exclusion criteria, so the space gets explored deliberately. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 30-60 min | 45-60 min | 1-3 h |
Participantsdifferent | 3-12 | 2-8 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Reverse Ideas, Risk Themes, Solution Ideas | Assumption map, Test backlog, Risk ranking | Morphological Box, Concept Combinations, Idea Shortlist |
Tagsno overlap | BrainstormingIdeationCreativityRisk | AssumptionsRiskExperimentsValidation | IdeationInnovationCreativity |
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