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| Criterion |  Growth North Star Metric |  UX Research Diary Study |  UX Research HEART Framework |  Product Strategy Counter Metrics |
|---|---|---|---|---|
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. | Helps clarify observations, needs, and patterns in concrete terms. It groups observations into patterns, questions, and decisions. The result is captured as a HEART-GSM table and dashboard. | When a headline metric could mask side effects, it adds guardrail signals against unwanted outcomes. It connects customer value, product logic, and decision priorities. The result is captured as a counter-metric list and guardrail definitions. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-2 h | 1-4 Wochen | 120 min initial, dann laufend | 30-60 min |
Participantsdifferent | 3-8 | 5-20 | 3-6 | 2-6 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | North Star metric, Input metric tree, Measurement cadence | Diary Entries, Longitudinal Patterns, Experience Timeline | HEART-GSM Table, Dashboard | Counter Metric List, Guardrail Definitions |
Tagsno overlap | GrowthMetricsAlignmentRetention | UX researchTrackingBehavior | MetricsUX researchMeasurementSatisfaction | MetricsMeasurementStrategyExperiments |