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| Criterion |  Innovation How Might We |  Facilitation 1-2-4-All |  Innovation Reverse Brainstorming |  Innovation Brainstorming |
|---|---|---|---|---|
Purposedifferent | With a stuck problem carrying many implicit assumptions, the method translates observations into open, workable questions. It sharpens the problem frame without pre-thinking the solution, turning frustration or fuzziness into a search space with clear direction. | When many people in a group too rarely get to speak, 1-2-4-All distributes thinking time more fairly. The format builds participation step by step and makes quiet or still-unformed thoughts usable faster. | 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 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 30–45 min | 10-20 min | 30-60 min | 30-60 min |
Participantsdifferent | 1-10 | 4-100+ | 3-12 | 4-12 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | HMW Questions, Challenge Framing, Idea Prompts | Idea List, Shared Insights, Emergent Themes | Reverse Ideas, Risk Themes, Solution Ideas | Idea pool, Theme clusters, Shortlist |
Tags1 shared | FramingOpportunityIdeationQuestions | FacilitationInclusionIdeation | BrainstormingIdeationCreativityRisk | BrainstormingIdeationCreativityWorkshopDivergence |