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| Criterion |  UX Research Diary Study |  Decision Making Constraint Analysis |  Innovation Reverse Brainstorming |  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. | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-4 Wochen | 30-90 min | 30-60 min | 20–45 min |
Participantsdifferent | 5-20 | 2-8 | 3-12 | Small cross-functional group |
Formatdifferent | Async | Workshop + async | Workshop | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Reverse Ideas, Risk Themes, Solution Ideas | Risk list, Mitigation plan, Assumption log |
Tagsno overlap | UX researchTrackingBehavior | ConstraintsDecisionPlanningOptions | BrainstormingIdeationCreativityRisk | RiskDecisionFailurePlanning |