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| Criterion |  Product Discovery Learning Card |  Operations 5 Whys |  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 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. | 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 | Low | Medium |
Timedifferent | 25-40 min | 15-30 min | 45-75 min |
Participantsdifferent | 1-5 | 2-6 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Learning Card with evidence and next action | Root cause notes, Countermeasures | Test Matrix, Test Plan |
Tagsno overlap | ExperimentsValidationDiscoveryLearning | Root causeIncidentLeanProblem solving | ExperimentsValidationDiscoveryOptions |
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