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| Criterion |  Innovation Reverse Brainstorming |  Operations Fishbone Diagram |  Innovation Morphological Analysis |  Innovation Lotus Blossom |
|---|---|---|---|---|
Purposedifferent | For persistent errors or blockages, the method shifts the view to the opposite of the desired effect. It exposes the mechanics of failure and makes hidden causes easier to grasp. This makes improvement more concrete and the problem clearer. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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. | When a central question feels too large, the method breaks it into neighboring topic fields with their own depth of ideation. It holds structure and openness at the same time, so adjacent perspectives don't get lost. This grows an idea space out of a core problem. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 30-60 min | 30-60 min | 1-3 h | 45-90 min |
Participantsdifferent | 3-12 | 2-8 | 2-8 | 3-10 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Reverse Ideas, Risk Themes, Solution Ideas | Fishbone Diagram, Cause Categories, Investigation Backlog | Morphological Box, Concept Combinations, Idea Shortlist | Lotus Diagram, Idea Themes, Shortlist |
Tagsno overlap | BrainstormingIdeationCreativityRisk | Root causeQualityOperations | IdeationInnovationCreativity | BrainstormingIdeationCreativityDivergenceWorkshop |