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| Criterion |  UX Research Diary Study |  Decision Making Pre-Mortem |  Innovation Brainstorming |  Innovation Lotus Blossom |
|---|---|---|---|---|
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. | 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. | When a central question feels too large, the method breaks it into neighboring topic fields with their own depth of ideation. It holds structure and openness at the same time, so adjacent perspectives don't get lost. This grows an idea space out of a core problem. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-4 Wochen | 20–45 min | 30-60 min | 45-90 min |
Participantsdifferent | 5-20 | Small cross-functional group | 4-12 | 3-10 |
Formatdifferent | Async | Workshop | Workshop | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Risk list, Mitigation plan, Assumption log | Idea pool, Theme clusters, Shortlist | Lotus Diagram, Idea Themes, Shortlist |
Tagsno overlap | UX researchTrackingBehavior | RiskDecisionFailurePlanning | BrainstormingIdeationCreativityWorkshopDivergence | BrainstormingIdeationCreativityDivergenceWorkshop |