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| Criterion |  Innovation Morphological Analysis |  Engineering Hypothesis-Driven Troubleshooting |  Innovation TRIZ |  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 technical contradictions or trade-offs, the method looks for solutions that resolve opposing requirements at the same time. It translates limits into an explicit picture of conflict that becomes workable. This produces not just compromises but more elegant principles. | 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 | High | Low |
Timedifferent | 1-3 h | 30-240 min | 1-4 h | 30-60 min |
Participantsdifferent | 2-8 | 1-6 | 2-8 | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Morphological Box, Concept Combinations, Idea Shortlist | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Contradiction Statement, Inventive Principles, Solution Concepts | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | IdeationInnovationCreativity | TroubleshootingProblem solvingDiagnosis | InnovationProblem solvingContradictionsCreativity | BrainstormingIdeationCreativityWorkshopDivergence |