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| Criterion |  UX Research Diary Study |  Decision Making Assumption Surfacing |  Engineering Goal Question Metric |  Product Strategy KPI Tree |
|---|---|---|---|---|
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. | 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. | Helps clarify technical problems, hypotheses, and next steps in concrete terms. It breaks a technical problem into testable parts. The result is captured as a GQM table and metric briefs. | When metrics across the organization drift apart, it arranges drivers and effects under one shared logic. It connects customer value, product logic, and decision priorities. The result is captured as a KPI tree and owner list. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 1-4 Wochen | 45-90 min | 90-180 min | 90-180 min initial, dann laufend |
Participantsdifferent | 5-20 | 2-8 | 3-6 | 3-8 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Assumption List, Critical Assumptions, Learning Plan | GQM Table, Metric Profiles | KPI Tree, Owner List |
Tagsno overlap | UX researchTrackingBehavior | AssumptionsRiskDecisionDiscovery | MetricsMeasurementEngineeringAlignment | MetricsStrategyAlignmentMeasurement |