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| Criterion |  Growth North Star Metric |  UX Research Diary Study |  Growth Flywheel |  Engineering Goal Question Metric |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | Growth often breaks down where a reinforcing mechanism builds up too much friction. A Flywheel shows the cycle of value, repetition, and reinforcement meant to sustain growth. | 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 | Medium |
Timedifferent | 1-2 h | 1-4 Wochen | 60-120 min | 90-180 min |
Participantsdifferent | 3-8 | 5-20 | 3-8 | 3-6 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop |
Outputdifferent | North Star metric, Input metric tree, Measurement cadence | Diary Entries, Longitudinal Patterns, Experience Timeline | Flywheel Map, Friction Points, Growth Levers, Experiment Backlog | GQM Table, Metric Profiles |
Tagsno overlap | GrowthMetricsAlignmentRetention | UX researchTrackingBehavior | GrowthRetentionConversion | MetricsMeasurementEngineeringAlignment |