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| Criterion |  Operations 5 Whys |  Product Discovery Riskiest Assumption Test |
|---|---|---|
Purposedifferent | 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 an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitydifferent | Low | Medium |
Timedifferent | 15-30 min | 1-2 Wochen pro Iteration |
Participantssame | 2-6 | 2-6 |
Formatdifferent | Workshop | Workshop + async |
Outputdifferent | Root cause notes, Countermeasures | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | Root causeIncidentLeanProblem solving | ExperimentsValidationDiscoveryAssumptions |
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