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| Criterion |  UX Research Diary Study |  Product Discovery Assumption Mapping |  Innovation Design Thinking |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | 1-4 Wochen | 45-60 min | 1 Tag bis mehrere Wochen | 45-90 min |
Participantsdifferent | 5-20 | 2-8 | 4-10 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Assumption map, Test backlog, Risk ranking | Problem Statement, Prototype, Test Learnings | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | UX researchTrackingBehavior | AssumptionsRiskExperimentsValidation | InnovationPrototypeResearch | AssumptionsRiskDecisionDiscovery |