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| Criterion |  Facilitation Dot Estimation |  UX Design Lean UX Canvas |  Product Discovery Assumption Mapping |  Product Discovery Test Card |
|---|---|---|---|---|
Purposedifferent | When size or effort can only be estimated roughly, Dot Estimation condenses the group's experience into a quick range. It turns individual contributions into a visible selection. The result is captured as an Effort Heatmap, Risk Signals, and Discussion Targets. | The Lean UX Canvas helps clarify user behavior, touchpoints, and concept decisions. It makes assumptions and desired outcomes visible and captures the result as a completed canvas, hypothesis list, and first experiment. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 5-20 min | 2-3 h | 45-60 min | 20-35 min |
Participantsdifferent | 3-20 | 3-8 | 2-8 | 1-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Effort Heatmap, Risk Signals, Discussion Targets | Completed Lean UX Canvas, Hypothesis list, First experiment | Assumption map, Test backlog, Risk ranking | Test Card with a pre-set threshold |
Tagsno overlap | EstimationEffortRisk | CanvasHypothesisOutcomesDiscovery | AssumptionsRiskExperimentsValidation | ExperimentsValidationDiscoveryHypothesis |