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Selected:HEART FrameworkRoot Cause Tree AnalysisFailure Mode and Effects AnalysisRoot Cause Analysis
| Criterion |  UX Research HEART Framework |  Operations Root Cause Tree Analysis |  Operations Failure Mode and Effects Analysis |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | 120 min initial, dann laufend | 1-3 h | 2-6 h | 1-4 h |
Participantsdifferent | 3-6 | 2-8 | 3-10 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | HEART-GSM Table, Dashboard | Cause Tree, Evidence Notes, Countermeasures | FMEA Table, Risk Priority, Mitigation Actions | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | MetricsUX researchMeasurementSatisfaction | Root causeTreeIncidentQuality | RiskQualityOperationsRoot cause | Root causeProblem solvingQualityIncident |