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| Criterion |  Engineering Fault Isolation |  UX Research HEART Framework |  Growth Funnel Analysis |  Product Strategy Counter Metrics |
|---|---|---|---|---|
Purposedifferent | In technical failures, the visible symptom often gets mixed up with the actual cause. Fault Isolation narrows the fault space and progressively reduces which part of the system is truly affected. | 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 many visitors or users drop off along the way, the reason behind the number often stays hidden. Funnel Analysis exposes these transitions and makes visible exactly where the path collapses. | 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 | 30-180 min | 120 min initial, dann laufend | 1-3 h | 30-60 min |
Participantsdifferent | 1-6 | 3-6 | 1-5 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | HEART-GSM Table, Dashboard | Funnel report, Drop-off analysis, Optimization hypotheses | Counter Metric List, Guardrail Definitions |
Tagsno overlap | TroubleshootingDiagnosisEngineering | MetricsUX researchMeasurementSatisfaction | AnalyticsConversionGrowth | MetricsMeasurementStrategyExperiments |