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| Criterion |  Knowledge Modeling IBIS |  UX Research Affinity Diagramming |  Product Discovery Assumption Mapping |  Decision Making Argument Mapping |
|---|---|---|---|---|
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 research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | When statements, evidence, and counterarguments get mixed up, a debate quickly loses its structure. Argument Mapping breaks a thesis down into its reasoning and makes visible what it really rests on. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 1-3 h | 45–90 min | 45-60 min | 1-3 h |
Participantsdifferent | 2-8 | 3-10 | 2-8 | 1-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Issue Map, Positions, Argument Notes | Theme clusters, Insight statements, Opportunity areas | Assumption map, Test backlog, Risk ranking | Argument Map, Evidence Gaps, Decision Rationale |
Tagsno overlap | RationaleKnowledgeDecision | SynthesisQualitativeRoot cause | AssumptionsRiskExperimentsValidation | SensemakingDecisionRationale |