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| Criterion |  Knowledge Modeling IBIS |  Product Discovery Assumption Mapping |  Agile Acceptance Criteria Workshop |  Agile Specification by Example |
|---|---|---|---|---|
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 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. | 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. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 1-3 h | 45-60 min | 20-40 min pro Story | 60-90 min pro Feature |
Participantsdifferent | 2-8 | 2-8 | 3-6 | 3-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Issue Map, Positions, Argument Notes | Assumption map, Test backlog, Risk ranking | Acceptance Criteria, Story Update | Example Table, Acceptance Tests |
Tagsno overlap | RationaleKnowledgeDecision | AssumptionsRiskExperimentsValidation | AgileRequirementsRefinementBehavior-Driven Development | AgileRequirementsExamplesBehavior-Driven Development |