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| Criterion |  UX Research Diary Study |  Engineering Goal Question Metric |  Agile ROAM Board |  Growth North Star 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. | 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 work needs to move between different states or columns, it makes that movement and its handoffs legible. It sorts work by value, risk, and delivery ability. The result is captured as a ROAM Board and an Owner List. | When product teams track many metrics, the view of the actual customer outcome easily gets lost. A North Star Metric bundles growth, usage, and value contribution into one signal that makes the system's direction visible. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 1-4 Wochen | 90-180 min | 20-40 min initial, dann laufend | 1-2 h |
Participantsdifferent | 5-20 | 3-6 | 3-15 | 3-8 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | GQM Table, Metric Profiles | ROAM Board, Owner List | North Star metric, Input metric tree, Measurement cadence |
Tagsno overlap | UX researchTrackingBehavior | MetricsMeasurementEngineeringAlignment | RiskAgileTrackingAlignment | GrowthMetricsAlignmentRetention |