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| Criterion |  Innovation Brainstorming |  Operations ALPEN Method |  Innovation Crazy 8s |  Innovation Reverse Brainstorming |
|---|---|---|---|---|
Purposedifferent | 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 an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | 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. | 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 30-60 min | 10-20 min daily | 8-15 min | 30-60 min |
Participantsdifferent | 4-12 | 1 | 1-10 | 3-12 |
Formatdifferent | Workshop | Async | Workshop | Workshop |
Outputdifferent | Idea pool, Theme clusters, Shortlist | Daily Plan, Time Estimates, Review Notes | Sketch Set, Idea Shortlist, Direction Options | Reverse Ideas, Risk Themes, Solution Ideas |
Tagsno overlap | BrainstormingIdeationCreativityWorkshopDivergence | PlanningTime managementProductivityOperations | BrainstormingSketchingSpeedDivergenceDesign sprint | BrainstormingIdeationCreativityRisk |