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| Criterion |  Operations A3 Problem Solving |  Agile Ideal Days |  Operations Kepner-Tregoe |
|---|---|---|---|
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. | When effort needs to be thought of as real working time, it offers a simple common denominator for comparison. It sorts work by value, risk, and delivery ability. The result is captured as Ideal Day Estimates, Assumption Notes, and Capacity Caveats. | 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 | High |
Timedifferent | 45-90 min | 15-60 min | 2-8 h |
Participantsdifferent | 2-5 | 2-9 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Ideal Day Estimates, Assumption Notes, Capacity Caveats | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | LeanProblem solvingCoachingOperations | EstimationEffortAgile | Problem solvingRoot causeDecisionOperations |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
