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| Criterion |  Operations Process Mapping |  Operations Kepner-Tregoe |  Agile Affinity Estimation |  Operations 5 Whys |
|---|---|---|---|---|
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 disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | When many tasks need to be classified quickly, it sorts them by perceived effort and similarity. It reduces the effort of fine-grained estimation for large volumes. | 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 | 1-3 h | 2-8 h | 30-90 min | 15-30 min |
Participantsdifferent | 3-10 | 2-8 | 3-12 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Process Map, Handoff List, Improvement Backlog | Problem Analysis, Decision Analysis, Risk Plan | Affinity Size Map, Grouped Estimates, Unclear Items | Root cause notes, Countermeasures |
Tagsno overlap | ProcessOperationsImprovement | Problem solvingRoot causeDecisionOperations | EstimationBacklogRelative sizing | Root causeIncidentLeanProblem solving |