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| Criterion |  UX Research Diary Study |  Decision Making Delphi Method |  Product Discovery Fake Door Test |  Product Discovery Experiment Canvas |
|---|---|---|---|---|
Purposedifferent | When experiences build up over days or weeks and a single session cannot capture them, Diary Study records the course of everyday life. Recurring triggers, moods, and habits become visible this way, beyond the sharpness of memory. | 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. | 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. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. |
Complexitydifferent | Medium | High | Medium | Low |
Timedifferent | 1-4 Wochen | 1-4 Wochen | 1-5 Tage | 30-60 min |
Participantsdifferent | 5-20 | 6-30 Experten | Nutzertraffic | 1-5 |
Formatdifferent | Async | Async | Async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Expert Forecast, Consensus Range, Assumption Notes | Click Data, Interest Signal, Learning Decision | Completed Experiment Canvas, Success Metric |
Tagsno overlap | UX researchTrackingBehavior | ForecastingExpertsDecisionStrategy | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryHypothesis |