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| Criterion |  Decision Making Pareto Analysis |  Operations 8D Problem Solving |  Agile Specification by Example |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | In many problem situations, effect is distributed unequally across many causes. A Pareto Analysis separates the few drivers with high leverage from the long remainder and focuses attention on what measurably moves the needle. | 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. | When business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. | 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 | Low | High | Medium | Low |
Timedifferent | 30-60 min | 1-6 Wochen | 60-90 min pro Feature | 15-30 min |
Participantsdifferent | 1-6 | 4-10 | 3-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Pareto Chart, Top Causes, Focus List | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Example Table, Acceptance Tests | Root cause notes, Countermeasures |
Tagsno overlap | PrioritizationQualityFocusRoot cause | QualityProblem solvingRoot cause | AgileRequirementsExamplesBehavior-Driven Development | Root causeIncidentLeanProblem solving |