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| Criterion |  UX Research Diary Study |  Decision Making Pre-Mortem |  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. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | 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 | Low | Low |
Timedifferent | 1-4 Wochen | 20–45 min | 45-90 min |
Participantsdifferent | 5-20 | Small cross-functional group | 2-8 |
Formatdifferent | Async | Workshop | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Risk list, Mitigation plan, Assumption log | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | UX researchTrackingBehavior | RiskDecisionFailurePlanning | AssumptionsRiskDecisionDiscovery |
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