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| Criterion |  Innovation Brainwriting |  Operations Root Cause Analysis |  Innovation Brainstorming |  Innovation Lotus Blossom |
|---|---|---|---|---|
Purposedifferent | When loud voices or hierarchy distort the idea search, the method creates a quiet entry into joint development. It gives everyone thinking space and gathers contributions without social brakes, making diversity more visible and easier to build on. | 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. | 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. | 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 | Medium | Low | Low |
Timedifferent | 15-30 min | 1-4 h | 30-60 min | 45-90 min |
Participantsdifferent | 3-12 | 3-8 | 4-12 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Idea sheets, Expanded concepts, Prioritized list | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Idea pool, Theme clusters, Shortlist | Lotus Diagram, Idea Themes, Shortlist |
Tagsno overlap | BrainstormingCollaborationInclusionIdeas | Root causeProblem solvingQualityIncident | BrainstormingIdeationCreativityWorkshopDivergence | BrainstormingIdeationCreativityDivergenceWorkshop |