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| Criterion |  Decision Making Assumption Surfacing |  Agile Specification by Example |  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 business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 45-90 min | 60-90 min pro Feature | 20-35 min |
Participantsdifferent | 2-8 | 3-6 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | Example Table, Acceptance Tests | Test Card with a pre-set threshold |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | AgileRequirementsExamplesBehavior-Driven Development | ExperimentsValidationDiscoveryHypothesis |
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