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| Criterion |  Knowledge Modeling IBIS |  Agile Specification by Example |  Product Discovery Assumption Mapping |  Agile Acceptance Criteria Workshop |
|---|---|---|---|---|
Purposedifferent | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | 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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | When a story needs clear checkpoints before implementation, it sharpens expectation and scope together. It sorts work by value, risk, and delivery ability. The result is captured as Acceptance Criteria and a Story Update. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-3 h | 60-90 min pro Feature | 45-60 min | 20-40 min pro Story |
Participantsdifferent | 2-8 | 3-6 | 2-8 | 3-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Issue Map, Positions, Argument Notes | Example Table, Acceptance Tests | Assumption map, Test backlog, Risk ranking | Acceptance Criteria, Story Update |
Tagsno overlap | RationaleKnowledgeDecision | AgileRequirementsExamplesBehavior-Driven Development | AssumptionsRiskExperimentsValidation | AgileRequirementsRefinementBehavior-Driven Development |