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| Criterion |  Product Strategy ICE Scoring |  Decision Making Eisenhower Matrix |  Operations 8D Problem Solving |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | When ideas need sorting quickly, it condenses impact, confidence, and effort into one compact score. It connects customer value, product logic, and decision priorities. The result is captured as an ICE table and top-ideas list. | It separates true priorities from noise so it becomes clear what should be done now, scheduled, delegated, or dropped. | 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. | 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 | Low | High | Low |
Timedifferent | 30-60 min | 15-30 min | 1-6 Wochen | 15-30 min |
Participantsdifferent | 2-8 | 1-6 | 4-10 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | ICE Table, Top Idea List | Eisenhower Matrix, Action List, Delegation Notes | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Root cause notes, Countermeasures |
Tagsno overlap | PrioritizationScoringGrowthDecision | PrioritizationFocusTasks | QualityProblem solvingRoot cause | Root causeIncidentLeanProblem solving |