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| Criterion |  Agile Bucket System |  Product Discovery Test Card |  Product Discovery Assumption Mapping |
|---|---|---|---|
Purposedifferent | When a large batch of work needs a fast, rough estimate, it sorts items into predefined size buckets. It sorts work by value, risk, and delivery ability. The result is captured as a Bucketed Backlog, Relative Estimates, and Split Candidates. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 30-90 min | 20-35 min | 45-60 min |
Participantsdifferent | 3-12 | 1-5 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Bucketed Backlog, Relative Estimates, Split Candidates | Test Card with a pre-set threshold | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | EstimationBacklogRelative sizing | ExperimentsValidationDiscoveryHypothesis | AssumptionsRiskExperimentsValidation |
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