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| Criterion |  Operations 8D Problem Solving |  Engineering Hypothesis-Driven Troubleshooting |  Business Strategy VRIO Framework |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | 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 systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. | The VRIO Framework rates resources and capabilities on whether they are Valuable, Rare, Inimitable, and Organized. It compares strengths, risks, market logic, and courses of action. The result is captured as a VRIO table and strategic actions. | 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 | High | Medium | Medium | Low |
Timedifferent | 1-6 Wochen | 30-240 min | 90-180 min | 15-30 min |
Participantsdifferent | 4-10 | 1-6 | 3-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | VRIO Table, Strategic Actions | Root cause notes, Countermeasures |
Tagsno overlap | QualityProblem solvingRoot cause | TroubleshootingProblem solvingDiagnosis | StrategyDiagnosisBusiness modelCapability | Root causeIncidentLeanProblem solving |