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| Criterion |  Operations Barrier Analysis |  Innovation Brainstorming |  Innovation Crazy 8s |
|---|---|---|---|
Purposedifferent | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | When a team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. | 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 | Low | Low |
Timedifferent | 2-4 h | 30-60 min | 8-15 min |
Participantsdifferent | 2-6 | 4-12 | 1-10 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Idea pool, Theme clusters, Shortlist | Sketch Set, Idea Shortlist, Direction Options |
Tagsno overlap | Root causeSafetyIncident | BrainstormingIdeationCreativityWorkshopDivergence | BrainstormingSketchingSpeedDivergenceDesign sprint |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
