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| Criterion |  Product Discovery Hypothesis Prioritization Canvas |  Operations 5 Whys |  Operations Kepner-Tregoe |
|---|---|---|---|
Purposedifferent | When many hypotheses compete for attention, it brings order to their learning sequence and importance. It separates problem, assumption, solution, and evidence. The result is captured as a prioritization canvas and a hypothesis backlog. | 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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Medium | Low | High |
Timedifferent | 60-90 min | 15-30 min | 2-8 h |
Participantsdifferent | 3-8 | 2-6 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Prioritization Canvas, Hypothesis Backlog | Root cause notes, Countermeasures | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | ExperimentsPrioritizationDiscoveryHypothesis | Root causeIncidentLeanProblem solving | Problem solvingRoot causeDecisionOperations |
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