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| Criterion |  Operations Time Blocking |  UX Research User Interviews |  Product Discovery Experiment Canvas |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | With a calendar that grows on request, the method makes available time explicit again. It combines appointments, focus work, and buffer into a more realistic day structure. | 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. | 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. | 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 | Low | Low | Low | Medium |
Timedifferent | 15-30 min Planung, laufend | 30–60 min per interview | 30-60 min | 1-5 Tage |
Participantsdifferent | 1 | 1 participant per interview | 1-5 | Nutzertraffic |
Formatdifferent | Async | Workshop + async | Workshop + async | Async |
Outputdifferent | Blocked Calendar, Capacity View, Focus Plan | Interview Notes, Themes, Insight Summary | Completed Experiment Canvas, Success Metric | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | PlanningTime managementFocus | QualitativeResearchCustomerDiscovery | ExperimentsValidationDiscoveryHypothesis | ValidationExperimentsDemandDiscovery |