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| Criterion |  UX Design Lean UX Canvas |  Decision Making Delphi Method |  Product Discovery Test Card |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | 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 knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. |
Complexitydifferent | Medium | High | Low | Medium |
Timedifferent | 2-3 h | 1-4 Wochen | 20-35 min | 1-5 Tage |
Participantsdifferent | 3-8 | 6-30 Experten | 1-5 | Nutzertraffic |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | Completed Lean UX Canvas, Hypothesis list, First experiment | Expert Forecast, Consensus Range, Assumption Notes | Test Card with a pre-set threshold | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | CanvasHypothesisOutcomesDiscovery | ForecastingExpertsDecisionStrategy | ExperimentsValidationDiscoveryHypothesis | ValidationExperimentsDemandDiscovery |