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| Criterion |  Product Discovery User Story Mapping |  Operations DMAIC |  Operations Root Cause Analysis |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | When user goals and delivery scope could drift apart, it orders the journey from goal to slice. It makes visible where an MVP can genuinely be cut. | For a process problem with fluctuating performance, the method brings analysis and improvement into a disciplined sequence. It creates a framework in which numbers, causes, and control come together. | 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. | 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 | High | Medium | Low |
Timedifferent | 2-4 h | 2-12 Wochen | 1-4 h | 15-30 min |
Participantsdifferent | 4-10 | 3-10 | 3-8 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Story Map, Release Slices, Backlog Candidates | Project Charter, Measurement Plan, Cause Analysis, Control Plan | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Root cause notes, Countermeasures |
Tagsno overlap | BacklogJourneyPlanningMVP | Continuous improvementQualityProcess improvement | Root causeProblem solvingQualityIncident | Root causeIncidentLeanProblem solving |