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| Criterion |  Knowledge Modeling IBIS |  UX Research Usability Testing |  Decision Making Argument Mapping |  UX Research First-click Testing |
|---|---|---|---|---|
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 a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. | 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. | When users immediately turn the wrong way on a screen or wireframe, first click testing checks initial orientation at high speed. The first click shows early whether expectation, labeling, and wayfinding fit together. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-3 h | 1-2 h je Session | 1-3 h | 1-2 Tage |
Participantsdifferent | 2-8 | Based on research question | 1-8 | 10-30 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Issue Map, Positions, Argument Notes | Usability Issues, Severity List, Recommendations | Argument Map, Evidence Gaps, Decision Rationale | Click Heatmap, Success Rate, Design Recommendations |
Tagsno overlap | RationaleKnowledgeDecision | ValidationUXPrototype | SensemakingDecisionRationale | UXNavigationFindabilityValidation |