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| Criterion |  Decision Making PERT Estimation |  Product Strategy Lean Canvas |  Agile Ideal Days |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | On complex initiatives, a plain average tends to understate just how uncertain the outcome really is. It separates options, evaluation criteria, and open risks. The result is captured as a PERT Estimate, Expected Value, and Risk Notes. | When an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. | 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. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 15-45 min | 45-90 min | 15-60 min | 45-60 min |
Participantsdifferent | 1-8 | 1-6 | 2-9 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | PERT Estimate, Expected Value, Risk Notes | Lean Canvas, Core Assumptions, Experiment Backlog | Ideal Day Estimates, Assumption Notes, Capacity Caveats | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | EstimationUncertaintyRisk | StartupLeanAssumptionsBusiness model | EstimationEffortAgile | AssumptionsRiskExperimentsValidation |