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| Criterion |  Operations A3 Problem Solving |  UX Research HEART Framework |  UX Research Contextual Inquiry |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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 work processes are known only from accounts and the real context stays hidden, Contextual Inquiry makes behavior at the workplace visible. Observation and follow-up questions together show how people actually work, get interrupted, and improvise. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 45-90 min | 120 min initial, dann laufend | 1-3 Wochen | 15-30 min |
Participantsdifferent | 2-5 | 3-6 | 4-12 Beobachtungen | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | HEART-GSM Table, Dashboard | Field Notes, Workflow Insights, Pain Points | Root cause notes, Countermeasures |
Tagsno overlap | LeanProblem solvingCoachingOperations | MetricsUX researchMeasurementSatisfaction | UX researchObservationContext | Root causeIncidentLeanProblem solving |