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| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Innovation TRIZ |  Operations Root Cause Analysis |  Innovation Contradiction Analysis |
|---|---|---|---|---|
Purposedifferent | When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. | 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. | When a system should improve while another measure suffers as a result, the method makes the underlying conflict precisely formulable. It separates the desired effect from its side effect. This makes solutions possible that address the contradiction deliberately instead of half-heartedly. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | 30-240 min | 1-4 h | 1-4 h | 60-120 min |
Participantsdifferent | 1-6 | 2-8 | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Contradiction Statement, Inventive Principles, Solution Concepts | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas |
Tags1 shared | TroubleshootingProblem solvingDiagnosis | InnovationProblem solvingContradictionsCreativity | Root causeProblem solvingQualityIncident | ContradictionsInnovationProblem solving |