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| Criterion |  Innovation Double Diamond |  Operations Kaizen Event |  Operations Getting Things Done |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | 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 tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. | With many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | Wochen bis Monate | 0.5-5 Tage | 1-2 h Setup, laufend | 45-90 min |
Participantsdifferent | 3-12 | 4-10 | 1 | 2-5 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Action Lists, Project List, Review Routine | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | ProcessDivergenceInnovation | LeanContinuous improvementOperations | ProductivityPlanningTasksExecution | LeanProblem solvingCoachingOperations |