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| Criterion |  Operations Process Mapping |  Operations 5 Whys |  UX Research Affinity Diagramming |  Operations Kepner-Tregoe |
|---|---|---|---|---|
Purposedifferent | With a confusing workflow that has many handoffs, the method makes the actual process visible. It shows where work is passed on, delayed, or duplicated, so improvement targets the right spots. | 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. | When research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Medium | Low | Low | High |
Timedifferent | 1-3 h | 15-30 min | 45–90 min | 2-8 h |
Participantsdifferent | 3-10 | 2-6 | 3-10 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Process Map, Handoff List, Improvement Backlog | Root cause notes, Countermeasures | Theme clusters, Insight statements, Opportunity areas | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | ProcessOperationsImprovement | Root causeIncidentLeanProblem solving | SynthesisQualitativeRoot cause | Problem solvingRoot causeDecisionOperations |