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| Criterion |  UX Research Diary Study |  Decision Making PERT Estimation |  UX Research HEART Framework |  Engineering Goal Question Metric |
|---|---|---|---|---|
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. | On complex initiatives, a plain average tends to understate just how uncertain the outcome really is. It separates options, evaluation criteria, and open risks. The result is captured as a PERT Estimate, Expected Value, and Risk Notes. | 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. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 1-4 Wochen | 15-45 min | 120 min initial, dann laufend | 90-180 min |
Participantsdifferent | 5-20 | 1-8 | 3-6 | 3-6 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | PERT Estimate, Expected Value, Risk Notes | HEART-GSM Table, Dashboard | GQM Table, Metric Profiles |
Tagsno overlap | UX researchTrackingBehavior | EstimationUncertaintyRisk | MetricsUX researchMeasurementSatisfaction | MetricsMeasurementEngineeringAlignment |