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| Criterion |  Innovation TRIZ |  Engineering Hypothesis-Driven Troubleshooting |  Engineering Fault Isolation |  Innovation SCAMPER |
|---|---|---|---|---|
Purposedifferent | 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 systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. | 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 an existing solution under pressure to change, the method deliberately opens space for systematic variants. It directs attention to rebuilding, combining, and repurposing rather than only new basic ideas. This produces concrete evolution paths for products, offerings, or workflows. |
Complexitydifferent | High | Medium | Medium | Low |
Timedifferent | 1-4 h | 30-240 min | 30-180 min | 30-60 min |
Participantsdifferent | 2-8 | 1-6 | 1-6 | 2-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Contradiction Statement, Inventive Principles, Solution Concepts | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | SCAMPER Idea List, Concept Shortlist, Variation Notes |
Tagsno overlap | InnovationProblem solvingContradictionsCreativity | TroubleshootingProblem solvingDiagnosis | TroubleshootingDiagnosisEngineering | BrainstormingIdeationCreativityReframingInnovation |