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| Criterion |  Operations 5 Whys |  Innovation SCAMPER |  Operations Kepner-Tregoe |  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 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 disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | 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 | Low | High | Medium |
Timedifferent | 15-30 min | 30-60 min | 2-8 h | 1-3 h |
Participantsdifferent | 2-6 | 2-10 | 2-8 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Root cause notes, Countermeasures | SCAMPER Idea List, Concept Shortlist, Variation Notes | Problem Analysis, Decision Analysis, Risk Plan | Morphological Box, Concept Combinations, Idea Shortlist |
Tagsno overlap | Root causeIncidentLeanProblem solving | BrainstormingIdeationCreativityReframingInnovation | Problem solvingRoot causeDecisionOperations | IdeationInnovationCreativity |