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| Criterion |  Operations Time Blocking |  Operations Failure Mode and Effects Analysis |  Operations Fault Tree Analysis |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | With a calendar that grows on request, the method makes available time explicit again. It combines appointments, focus work, and buffer into a more realistic day structure. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | 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 | Low | High | High | High |
Timedifferent | 15-30 min Planung, laufend | 2-6 h | 2-6 h | 1-6 Wochen |
Participantsdifferent | 1 | 3-10 | 3-8 | 4-10 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Blocked Calendar, Capacity View, Focus Plan | FMEA Table, Risk Priority, Mitigation Actions | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | PlanningTime managementFocus | RiskQualityOperationsRoot cause | RiskRoot causeSafety | QualityProblem solvingRoot cause |