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| Criterion |  Operations A3 Problem Solving |  Product Discovery Product Kata |  Product Discovery Concierge MVP |
|---|---|---|---|
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 an idea can first fail or grow through genuine hands-on support, it relies on manual work instead of automation. It shows whether user value holds up even under manual execution. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 45-90 min | 1-2 Wochen je Loop | 1-4 Wochen |
Participantsdifferent | 2-5 | 3-10 | 3-10 Kunden |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Direction, Current metric, Target metric, Experiment note, Learning report | Concierge Learnings, Service Blueprint, MVP Risks |
Tagsno overlap | LeanProblem solvingCoachingOperations | OutcomesDiscoveryLearningIterationCoaching | MVPValidationServiceDiscovery |
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