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| Criterion |  UX Research Diary Study |  Product Discovery Solution Interview |  Decision Making Assumption Surfacing |  Product Discovery Concierge MVP |
|---|---|---|---|---|
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 a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. | 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. | When an idea can first fail or grow through genuine hands-on support, it relies on manual work instead of automation. It shows whether user value holds up even under manual execution. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 1-4 Wochen | 30-60 min je Interview | 45-90 min | 1-4 Wochen |
Participantsdifferent | 5-20 | 5-10 Interviews | 2-8 | 3-10 Kunden |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Solution Feedback, Objection List, Validation Notes | Assumption List, Critical Assumptions, Learning Plan | Concierge Learnings, Service Blueprint, MVP Risks |
Tagsno overlap | UX researchTrackingBehavior | ValidationInterviewsPrototype | AssumptionsRiskDecisionDiscovery | MVPValidationServiceDiscovery |