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| Criterion |  Operations Standard Work Analysis |  Decision Making Constraint Analysis |  Operations Kepner-Tregoe |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | When the same task is done differently depending on the person, the method exposes the reliable core. It creates comparability without unnecessarily choking off needed latitude. | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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. | 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 | Low | High | Low |
Timedifferent | 1-3 h | 30-90 min | 2-8 h | 15-30 min |
Participantsdifferent | 2-6 | 2-8 | 2-8 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Standard Work Sheet, Deviation List, Improved Standard, Training Needs | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Problem Analysis, Decision Analysis, Risk Plan | Root cause notes, Countermeasures |
Tagsno overlap | LeanProcessQuality | ConstraintsDecisionPlanningOptions | Problem solvingRoot causeDecisionOperations | Root causeIncidentLeanProblem solving |