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| Criterion |  Operations A3 Problem Solving |  Product Discovery Product Kata |  Product Strategy Impact Mapping |  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. | Product Kata helps clarify customer problems, solution ideas, and evidence through a repeatable improvement routine. It captures direction, current metric, target metric, experiment notes, and learning. | When a goal needs to be connected to several possible paths, it shows chains of impact instead of feature lists. It connects business goal, behavior change, and measures. | 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 | Medium | Medium | Low |
Timedifferent | 45-90 min | 1-2 Wochen je Loop | 45-90 min | 15-30 min |
Participantsdifferent | 2-5 | 3-10 | 3-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Direction, Current metric, Target metric, Experiment note, Learning report | Impact Map, Outcome Hypotheses, Delivery Options | Root cause notes, Countermeasures |
Tagsno overlap | LeanProblem solvingCoachingOperations | OutcomesDiscoveryLearningIterationCoaching | OutcomesStrategyBehaviorPlanning | Root causeIncidentLeanProblem solving |