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| Criterion |  UX Research Diary Study |  Product Discovery Learning Card |  Engineering Goal Question Metric |  Product Discovery Experiment Canvas |
|---|---|---|---|---|
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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | 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. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 1-4 Wochen | 25-40 min | 90-180 min | 30-60 min |
Participantsdifferent | 5-20 | 1-5 | 3-6 | 1-5 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Learning Card with evidence and next action | GQM Table, Metric Profiles | Completed Experiment Canvas, Success Metric |
Tagsno overlap | UX researchTrackingBehavior | ExperimentsValidationDiscoveryLearning | MetricsMeasurementEngineeringAlignment | ExperimentsValidationDiscoveryHypothesis |