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| Criterion |  Product Discovery Opportunity Solution Tree |  UX Design Lean UX Canvas |  UX Research Affinity Diagramming |  UX Research Empathy Mapping |
|---|---|---|---|---|
Purposedifferent | 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. | The Lean UX Canvas helps clarify user behavior, touchpoints, and concept decisions. It makes assumptions and desired outcomes visible and captures the result as a completed canvas, hypothesis list, and first experiment. | 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 a lot is assumed about a target group but little is seen jointly, empathy mapping makes knowledge and gaps directly comparable. The picture also shows which assumptions hold up and where evidence is missing. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-2 h Setup, laufend | 2-3 h | 45–90 min | 30–60 min |
Participantsdifferent | 2-6 | 3-8 | 3-10 | 4-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Opportunity Solution Tree, Experiment Backlog, Learning Log | Completed Lean UX Canvas, Hypothesis list, First experiment | Theme clusters, Insight statements, Opportunity areas | Empathy Map, Assumptions List, Research Gaps |
Tagsno overlap | DiscoveryOutcomesExperimentsOpportunity | CanvasHypothesisOutcomesDiscovery | SynthesisQualitativeRoot cause | SynthesisQualitativeWorkshop |