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| Criterion |  Operations Gemba Walk |  Product Discovery Assumption Mapping |  Product Discovery Experiment Canvas |
|---|---|---|---|
Purposedifferent | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 30-120 min | 45-60 min | 30-60 min |
Participantsdifferent | 2-6 | 2-8 | 1-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | Assumption map, Test backlog, Risk ranking | Completed Experiment Canvas, Success Metric |
Tagsno overlap | LeanObservationProcessOperations | AssumptionsRiskExperimentsValidation | ExperimentsValidationDiscoveryHypothesis |
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