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| Criterion |  UX Research Diary Study |  Growth North Star Metric |  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 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. | 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 | 1-2 h | 90-180 min |
Participantsdifferent | 5-20 | 3-8 | 3-6 |
Formatdifferent | Async | Workshop + async | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | North Star metric, Input metric tree, Measurement cadence | GQM Table, Metric Profiles |
Tagsno overlap | UX researchTrackingBehavior | GrowthMetricsAlignmentRetention | MetricsMeasurementEngineeringAlignment |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
