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| Criterion |  UX Research Diary Study |  Engineering Goal Question Metric |  Product Discovery Test Card |  UX Research HEART Framework |
|---|---|---|---|---|
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 technical problems, hypotheses, and next steps in concrete terms. It breaks a technical problem into testable parts. The result is captured as a GQM table and metric briefs. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 1-4 Wochen | 90-180 min | 20-35 min | 120 min initial, dann laufend |
Participantsdifferent | 5-20 | 3-6 | 1-5 | 3-6 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | GQM Table, Metric Profiles | Test Card with a pre-set threshold | HEART-GSM Table, Dashboard |
Tagsno overlap | UX researchTrackingBehavior | MetricsMeasurementEngineeringAlignment | ExperimentsValidationDiscoveryHypothesis | MetricsUX researchMeasurementSatisfaction |