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| Criterion |  Innovation Crazy 8s |  Operations Root Cause Analysis |  Operations Family Tree Analysis |
|---|---|---|---|
Purposedifferent | 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. | 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. | For a series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 8-15 min | 1-4 h | 2-4 h |
Participantsdifferent | 1-10 | 3-8 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Sketch Set, Idea Shortlist, Direction Options | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Family Tree Diagram, Pattern Notes, Systemic Measures |
Tagsno overlap | BrainstormingSketchingSpeedDivergenceDesign sprint | Root causeProblem solvingQualityIncident | Root causePatternsIncidentSystemic |
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