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| Criterion |  UX Research User Interviews |  Knowledge Modeling IBIS |  Product Discovery Opportunity Solution Tree |  Decision Making Argument Mapping |
|---|---|---|---|---|
Purposedifferent | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | 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 discovery keeps swinging between goals, ideas, and learning loops, it creates clear steering logic. It connects the desired outcome, opportunities, and experiments into a legible structure. | 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 | Low | Medium | Medium | Medium |
Timedifferent | 30–60 min per interview | 1-3 h | 1-2 h Setup, laufend | 1-3 h |
Participantsdifferent | 1 participant per interview | 2-8 | 2-6 | 1-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Issue Map, Positions, Argument Notes | Opportunity Solution Tree, Experiment Backlog, Learning Log | Argument Map, Evidence Gaps, Decision Rationale |
Tagsno overlap | QualitativeResearchCustomerDiscovery | RationaleKnowledgeDecision | DiscoveryOutcomesExperimentsOpportunity | SensemakingDecisionRationale |