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| Criterion |  Growth Hooked Model |  UX Research Diary Study |  Growth Pirate Metrics AARRR |  Growth North Star Metric |
|---|---|---|---|---|
Purposedifferent | The Hooked Model helps clarify engagement loops, user behavior, and experiments. It makes repeat behavior measurable and captures the result as a hooked loop, trigger map, and reward design. | 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. | For products with complex usage paths, overall growth alone is too coarse to reveal bottlenecks. Pirate Metrics breaks the relationship with the product into consecutive stages and shows where the funnel actually leaks. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | Multiple workshops over several weeks | 1-4 Wochen | 1-2 h Setup, laufend | 1-2 h |
Participantsdifferent | 2-8 | 5-20 | 2-8 | 3-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Hooked loop, Trigger map, Reward design, Ethics check | Diary Entries, Longitudinal Patterns, Experience Timeline | AARRR funnel, Metric baseline, Experiment backlog | North Star metric, Input metric tree, Measurement cadence |
Tagsno overlap | GrowthBehaviorRetention | UX researchTrackingBehavior | GrowthMetricsExperiments | GrowthMetricsAlignmentRetention |