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| Criterion |  Operations A3 Problem Solving |  Innovation SCAMPER |  Operations Kepner-Tregoe |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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 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. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 45-90 min | 30-60 min | 2-8 h | 15-30 min |
Participantsdifferent | 2-5 | 2-10 | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | SCAMPER Idea List, Concept Shortlist, Variation Notes | Problem Analysis, Decision Analysis, Risk Plan | Root cause notes, Countermeasures |
Tagsno overlap | LeanProblem solvingCoachingOperations | BrainstormingIdeationCreativityReframingInnovation | Problem solvingRoot causeDecisionOperations | Root causeIncidentLeanProblem solving |