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| Criterion |  Operations ALPEN Method |  UX Research User Interviews |  Product Discovery Fake Door Test |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|---|
Purposedifferent | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | 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 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 an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 10-20 min daily | 30–60 min per interview | 1-5 Tage | 1-2 Wochen pro Iteration |
Participantsdifferent | 1 | 1 participant per interview | Nutzertraffic | 2-6 |
Formatdifferent | Async | Workshop + async | Async | Workshop + async |
Outputdifferent | Daily Plan, Time Estimates, Review Notes | Interview Notes, Themes, Insight Summary | Click Data, Interest Signal, Learning Decision | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | PlanningTime managementProductivityOperations | QualitativeResearchCustomerDiscovery | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryAssumptions |