View methods side by side.
Choose up to four methods. Add them using the search and share the comparison by copying its link.
| Criterion |  UX Research Diary Study |  Growth North Star Metric |  Product Discovery Assumption Mapping |  Growth Pirate Metrics AARRR |
|---|---|---|---|---|
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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 1-4 Wochen | 1-2 h | 45-60 min | 1-2 h Setup, laufend |
Participantsdifferent | 5-20 | 3-8 | 2-8 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | North Star metric, Input metric tree, Measurement cadence | Assumption map, Test backlog, Risk ranking | AARRR funnel, Metric baseline, Experiment backlog |
Tagsno overlap | UX researchTrackingBehavior | GrowthMetricsAlignmentRetention | AssumptionsRiskExperimentsValidation | GrowthMetricsExperiments |