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| Criterion |  UX Research Diary Study |  Innovation Reverse Brainstorming |  Decision Making Pre-Mortem |  Innovation 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. | 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. | 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. | When a team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-4 Wochen | 30-60 min | 20–45 min | 30-60 min |
Participantsdifferent | 5-20 | 3-12 | Small cross-functional group | 4-12 |
Formatdifferent | Async | Workshop | Workshop | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Reverse Ideas, Risk Themes, Solution Ideas | Risk list, Mitigation plan, Assumption log | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | UX researchTrackingBehavior | BrainstormingIdeationCreativityRisk | RiskDecisionFailurePlanning | BrainstormingIdeationCreativityWorkshopDivergence |