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| Criterion |  UX Research Diary Study |  UX Research HEART Framework |  Product Discovery Riskiest Assumption Test |  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. | 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 an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. | 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 | 1-4 Wochen | 120 min initial, dann laufend | 1-2 Wochen pro Iteration | 30-60 min |
Participantsdifferent | 5-20 | 3-6 | 2-6 | 2-6 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | HEART-GSM Table, Dashboard | Prioritized Assumption List, Test Plan, Results Report | Counter Metric List, Guardrail Definitions |
Tagsno overlap | UX researchTrackingBehavior | MetricsUX researchMeasurementSatisfaction | ExperimentsValidationDiscoveryAssumptions | MetricsMeasurementStrategyExperiments |