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| Criterion |  Operations 5 Whys |  Innovation TRIZ |  Innovation SCAMPER |  Innovation Morphological Analysis |
|---|---|---|---|---|
Purposedifferent | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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. | For an existing solution under pressure to change, the method deliberately opens space for systematic variants. It directs attention to rebuilding, combining, and repurposing rather than only new basic ideas. This produces concrete evolution paths for products, offerings, or workflows. | 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 | High | Low | Medium |
Timedifferent | 15-30 min | 1-4 h | 30-60 min | 1-3 h |
Participantsdifferent | 2-6 | 2-8 | 2-10 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Root cause notes, Countermeasures | Contradiction Statement, Inventive Principles, Solution Concepts | SCAMPER Idea List, Concept Shortlist, Variation Notes | Morphological Box, Concept Combinations, Idea Shortlist |
Tagsno overlap | Root causeIncidentLeanProblem solving | InnovationProblem solvingContradictionsCreativity | BrainstormingIdeationCreativityReframingInnovation | IdeationInnovationCreativity |