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| Criterion |  UX Research Diary Study |  Product Strategy GIST Planning |  Decision Making Assumption Surfacing |  Decision Making Pre-Mortem |
|---|---|---|---|---|
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. | GIST Planning helps clarify target groups, value, goals, and priorities. It links customer value, product logic, and decision priorities, and captures the result as goals, an idea bank, and a step-project list. | 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. | 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-4 Wochen | Wochen bis Monate je Goal | 45-90 min | 20–45 min |
Participantsdifferent | 5-20 | 3-10 | 2-8 | Small cross-functional group |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Goals, Idea bank, Step-project list, Tasks, Learning reports | Assumption List, Critical Assumptions, Learning Plan | Risk list, Mitigation plan, Assumption log |
Tagsno overlap | UX researchTrackingBehavior | RoadmapOutcomesPlanningExperiments | AssumptionsRiskDecisionDiscovery | RiskDecisionFailurePlanning |