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| Criterion |  Product Discovery Learning Card |  Operations 8D Problem Solving |  Product Discovery Experiment Canvas |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
Purposedifferent | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | 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. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. |
Complexitydifferent | Low | High | Low | Medium |
Timedifferent | 25-40 min | 1-6 Wochen | 30-60 min | 45-75 min |
Participantsdifferent | 1-5 | 4-10 | 1-5 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Learning Card with evidence and next action | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Completed Experiment Canvas, Success Metric | Test Matrix, Test Plan |
Tagsno overlap | ExperimentsValidationDiscoveryLearning | QualityProblem solvingRoot cause | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryOptions |