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| Criterion |  UX Research Diary Study |  Product Strategy Impact Mapping |  Engineering Goal Question Metric |
|---|---|---|---|
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 a goal needs to be connected to several possible paths, it shows chains of impact instead of feature lists. It connects business goal, behavior change, and measures. | 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-4 Wochen | 45-90 min | 90-180 min |
Participantsdifferent | 5-20 | 3-8 | 3-6 |
Formatdifferent | Async | Workshop | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Impact Map, Outcome Hypotheses, Delivery Options | GQM Table, Metric Profiles |
Tagsno overlap | UX researchTrackingBehavior | OutcomesStrategyBehaviorPlanning | MetricsMeasurementEngineeringAlignment |
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