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| Criterion |  Innovation Lean Startup |  Product Discovery Product Kata |  Operations A3 Problem Solving |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | 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. | 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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | Wochen bis Monate je Lernzyklus | 1-2 Wochen je Loop | 45-90 min | 25-40 min |
Participantsdifferent | 2-8 | 3-10 | 2-5 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Direction, Current metric, Target metric, Experiment note, Learning report | A3 Report, Action Plan, Root Cause Analysis | Learning Card with evidence and next action |
Tagsno overlap | LeanStartupValidationMVP | OutcomesDiscoveryLearningIterationCoaching | LeanProblem solvingCoachingOperations | ExperimentsValidationDiscoveryLearning |