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| Criterion |  Innovation Morphological Analysis |  Operations Barrier Analysis |  Operations Causal Factor Analysis |  Innovation Brainstorming |
|---|---|---|---|---|
Purposedifferent | For a search for solutions with many degrees of freedom, a grid emerges for systematic combinations. The method separates features, variants, and exclusion criteria, so the space gets explored deliberately. | 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. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | 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. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | 1-3 h | 2-4 h | 2-6 h | 30-60 min |
Participantsdifferent | 2-8 | 2-6 | 3-10 | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Morphological Box, Concept Combinations, Idea Shortlist | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | IdeationInnovationCreativity | Root causeSafetyIncident | CausalityIncidentRoot causeTimeline | BrainstormingIdeationCreativityWorkshopDivergence |