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| Criterion |  Operations 5 Whys |  Operations 8D Problem Solving |  Innovation SCAMPER |  Innovation Brainstorming |
|---|---|---|---|---|
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 acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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. | 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 | Low | High | Low | Low |
Timedifferent | 15-30 min | 1-6 Wochen | 30-60 min | 30-60 min |
Participantsdifferent | 2-6 | 4-10 | 2-10 | 4-12 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Root cause notes, Countermeasures | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | SCAMPER Idea List, Concept Shortlist, Variation Notes | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | Root causeIncidentLeanProblem solving | QualityProblem solvingRoot cause | BrainstormingIdeationCreativityReframingInnovation | BrainstormingIdeationCreativityWorkshopDivergence |