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| Criterion |  Operations Standard Work Analysis |  Operations Root Cause Tree Analysis |  Innovation TRIZ |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | When the same task is done differently depending on the person, the method exposes the reliable core. It creates comparability without unnecessarily choking off needed latitude. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | 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 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 | Medium | High | High |
Timedifferent | 1-3 h | 1-3 h | 1-4 h | 1-6 Wochen |
Participantsdifferent | 2-6 | 2-8 | 2-8 | 4-10 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Standard Work Sheet, Deviation List, Improved Standard, Training Needs | Cause Tree, Evidence Notes, Countermeasures | Contradiction Statement, Inventive Principles, Solution Concepts | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | LeanProcessQuality | Root causeTreeIncidentQuality | InnovationProblem solvingContradictionsCreativity | QualityProblem solvingRoot cause |