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| Criterion |  Innovation Double Diamond |  Operations A3 Problem Solving |  Operations Getting Things Done |  Operations 5 Whys |
|---|---|---|---|---|
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 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. | 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 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 | Medium | Medium | Low |
Timedifferent | Wochen bis Monate | 45-90 min | 1-2 h Setup, laufend | 15-30 min |
Participantsdifferent | 3-12 | 2-5 | 1 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | A3 Report, Action Plan, Root Cause Analysis | Action Lists, Project List, Review Routine | Root cause notes, Countermeasures |
Tagsno overlap | ProcessDivergenceInnovation | LeanProblem solvingCoachingOperations | ProductivityPlanningTasksExecution | Root causeIncidentLeanProblem solving |