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| Criterion |  UX Research Diary Study |  Decision Making Pre-Mortem |  Innovation Reverse Brainstorming |
|---|---|---|---|
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. | For persistent errors or blockages, the method shifts the view to the opposite of the desired effect. It exposes the mechanics of failure and makes hidden causes easier to grasp. This makes improvement more concrete and the problem clearer. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 1-4 Wochen | 20–45 min | 30-60 min |
Participantsdifferent | 5-20 | Small cross-functional group | 3-12 |
Formatdifferent | Async | Workshop | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Risk list, Mitigation plan, Assumption log | Reverse Ideas, Risk Themes, Solution Ideas |
Tagsno overlap | UX researchTrackingBehavior | RiskDecisionFailurePlanning | BrainstormingIdeationCreativityRisk |
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