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| Criterion |  Agile Ideal Days |  Product Discovery Assumption Mapping |  Product Discovery MVP Test Matrix |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
Purposedifferent | When effort needs to be thought of as real working time, it offers a simple common denominator for comparison. It sorts work by value, risk, and delivery ability. The result is captured as Ideal Day Estimates, Assumption Notes, and Capacity Caveats. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. | 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. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 15-60 min | 45-60 min | 45-75 min | 45-90 min |
Participantsdifferent | 2-9 | 2-8 | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Ideal Day Estimates, Assumption Notes, Capacity Caveats | Assumption map, Test backlog, Risk ranking | Test Matrix, Test Plan | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | EstimationEffortAgile | AssumptionsRiskExperimentsValidation | ExperimentsValidationDiscoveryOptions | AssumptionsRiskDecisionDiscovery |