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| Criterion |  Product Strategy GIST Planning |  Operations A3 Problem Solving |  Operations 5 Whys |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | GIST Planning helps clarify target groups, value, goals, and priorities. It links customer value, product logic, and decision priorities, and captures the result as goals, an idea bank, and a step-project list. | 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 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. |
Complexitydifferent | Medium | Medium | Low | High |
Timedifferent | Wochen bis Monate je Goal | 45-90 min | 15-30 min | 1-6 Wochen |
Participantsdifferent | 3-10 | 2-5 | 2-6 | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Goals, Idea bank, Step-project list, Tasks, Learning reports | A3 Report, Action Plan, Root Cause Analysis | Root cause notes, Countermeasures | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | RoadmapOutcomesPlanningExperiments | LeanProblem solvingCoachingOperations | Root causeIncidentLeanProblem solving | QualityProblem solvingRoot cause |