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| Criterion |  Facilitation Timeline |  Innovation Reverse Brainstorming |  Innovation Crazy 8s |  Innovation Round Robin Brainstorming |
|---|---|---|---|---|
Purposedifferent | When a project, incident, or change process is only remembered in fragments, Timeline brings the sequence back into a readable form. It makes turning points, precursors, and after-effects recognizable over the course of time. | 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. | 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. | With unevenly distributed speaking time, the method brings every person into the contribution one after another. It prevents early voices from setting the direction while still producing a shared idea space. This makes participation plannable and the team's diversity visible. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 30-90 min | 30-60 min | 8-15 min | 20-45 min |
Participantsdifferent | 2-12 | 3-12 | 1-10 | 4-10 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Timeline, Milestones, Insight Notes | Reverse Ideas, Risk Themes, Solution Ideas | Sketch Set, Idea Shortlist, Direction Options | Idea List, Cluster, Shortlist |
Tagsno overlap | TimelineFacilitationSequence | BrainstormingIdeationCreativityRisk | BrainstormingSketchingSpeedDivergenceDesign sprint | BrainstormingIdeationFacilitationInclusionCreativity |