View methods side by side.
Choose up to four methods. Add them using the search and share the comparison by copying its link.
| Criterion |  Engineering Fault Isolation |  Innovation TRIZ |  Operations Root Cause Analysis |
|---|---|---|---|
Purposedifferent | In technical failures, the visible symptom often gets mixed up with the actual cause. Fault Isolation narrows the fault space and progressively reduces which part of the system is truly affected. | 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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 30-180 min | 1-4 h | 1-4 h |
Participantsdifferent | 1-6 | 2-8 | 3-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Contradiction Statement, Inventive Principles, Solution Concepts | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | TroubleshootingDiagnosisEngineering | InnovationProblem solvingContradictionsCreativity | Root causeProblem solvingQualityIncident |
Often compared together
Methods with strong topical overlap with the current selection, not yet in the comparison.
