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| Criterion |  Operations Getting Things Done |  Innovation TRIZ |  Operations 5 Whys |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | 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 technical contradictions or trade-offs, the method looks for solutions that resolve opposing requirements at the same time. It translates limits into an explicit picture of conflict that becomes workable. This produces not just compromises but more elegant principles. | 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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | Medium | High | Low | High |
Timedifferent | 1-2 h Setup, laufend | 1-4 h | 15-30 min | 1-6 Wochen |
Participantsdifferent | 1 | 2-8 | 2-6 | 4-10 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Action Lists, Project List, Review Routine | Contradiction Statement, Inventive Principles, Solution Concepts | Root cause notes, Countermeasures | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | ProductivityPlanningTasksExecution | InnovationProblem solvingContradictionsCreativity | Root causeIncidentLeanProblem solving | QualityProblem solvingRoot cause |