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 Hypothesis-Driven Troubleshooting |  Engineering Fault Isolation |  Innovation Rapid Ideation |  Innovation Crazy 8s |
|---|---|---|---|---|
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. | 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. | When a decision needs to be prepared quickly, the method generates many solution-close variants in a short time. It deliberately relies on pace to undercut self-censorship and perfectionism. This quickly produces a usable field for prioritization and further work. | With only a few minutes available and a still-fuzzy solution search, the method forces a wide range of variants. It produces fast sketches before the first idea can settle in, making different directions directly comparable and open to further development. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 30-240 min | 30-180 min | 5-20 min | 8-15 min |
Participantsdifferent | 1-6 | 1-6 | 1-20 | 1-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Ideenpool, Roh-Shortlist, Cluster | Sketch Set, Idea Shortlist, Direction Options |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | TroubleshootingDiagnosisEngineering | BrainstormingIdeationDivergenceSpeed | BrainstormingSketchingSpeedDivergenceDesign sprint |