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| Criterion |  UX Research Empathy Mapping |  Product Discovery Opportunity Scoring |  Product Discovery Test Card |  UX Design Lean UX Canvas |
|---|---|---|---|---|
Purposedifferent | 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. | When opportunities need ranking by their effect, it makes importance and satisfaction directly comparable. It separates problem, assumption, solution, and evidence. The result is captured as an opportunity-score table and top outcomes. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 30–60 min | 60-120 min | 20-35 min | 2-3 h |
Participantsdifferent | 4-8 | 3-6 | 1-5 | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Empathy Map, Assumptions List, Research Gaps | Opportunity Score Table, Top Outcomes | Test Card with a pre-set threshold | Completed Lean UX Canvas, Hypothesis list, First experiment |
Tagsno overlap | SynthesisQualitativeWorkshop | PrioritizationDiscoveryOutcomesNeeds | ExperimentsValidationDiscoveryHypothesis | CanvasHypothesisOutcomesDiscovery |