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| Criterion |  Innovation Morphological Analysis |  Engineering Hypothesis-Driven Troubleshooting |  Innovation Reverse Brainstorming |  Innovation Brainstorming |
|---|---|---|---|---|
Purposedifferent | 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. | When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. | 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 a team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-3 h | 30-240 min | 30-60 min | 30-60 min |
Participantsdifferent | 2-8 | 1-6 | 3-12 | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Morphological Box, Concept Combinations, Idea Shortlist | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Reverse Ideas, Risk Themes, Solution Ideas | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | IdeationInnovationCreativity | TroubleshootingProblem solvingDiagnosis | BrainstormingIdeationCreativityRisk | BrainstormingIdeationCreativityWorkshopDivergence |