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| Criterion |  UX Research Diary Study |  Growth Pirate Metrics AARRR |  Product Strategy Counter Metrics |
|---|---|---|---|
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. | 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 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 | Low |
Timedifferent | 1-4 Wochen | 1-2 h Setup, laufend | 30-60 min |
Participantsdifferent | 5-20 | 2-8 | 2-6 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | AARRR funnel, Metric baseline, Experiment backlog | Counter Metric List, Guardrail Definitions |
Tagsno overlap | UX researchTrackingBehavior | GrowthMetricsExperiments | MetricsMeasurementStrategyExperiments |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
