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| Criterion |  Operations A3 Problem Solving |  Innovation Double Diamond |  Operations Kepner-Tregoe |  Innovation Contradiction Analysis |
|---|---|---|---|---|
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. | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | 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 a system should improve while another measure suffers as a result, the method makes the underlying conflict precisely formulable. It separates the desired effect from its side effect. This makes solutions possible that address the contradiction deliberately instead of half-heartedly. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | 45-90 min | Wochen bis Monate | 2-8 h | 60-120 min |
Participantsdifferent | 2-5 | 3-12 | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Problem Analysis, Decision Analysis, Risk Plan | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas |
Tagsno overlap | LeanProblem solvingCoachingOperations | ProcessDivergenceInnovation | Problem solvingRoot causeDecisionOperations | ContradictionsInnovationProblem solving |