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| Criterion |  Decision Making Assumption Surfacing |  Facilitation Dot Estimation |  Product Discovery Experiment Canvas |  Product Discovery Test Card |
|---|---|---|---|---|
Purposedifferent | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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. | 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 45-90 min | 5-20 min | 30-60 min | 20-35 min |
Participantsdifferent | 2-8 | 3-20 | 1-5 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | Effort Heatmap, Risk Signals, Discussion Targets | Completed Experiment Canvas, Success Metric | Test Card with a pre-set threshold |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | EstimationEffortRisk | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryHypothesis |