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| Criterion |  Innovation How Might We |  Architecture Quality Attribute Workshop |  Innovation Brainstorming |  Innovation Reverse 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. | A Quality Attribute Workshop translates quality requirements into concrete scenarios and architecture impulses. The method brings product, engineering, and operations to the same view of desired properties. | 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. | 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. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 30–45 min | 2-4 h | 30-60 min | 30-60 min |
Participantsdifferent | 1-10 | 5-15 | 4-12 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | HMW Questions, Challenge Framing, Idea Prompts | Quality Scenarios, Priority List, Architecture Concerns | Idea pool, Theme clusters, Shortlist | Reverse Ideas, Risk Themes, Solution Ideas |
Tagsno overlap | FramingOpportunityIdeationQuestions | RequirementsArchitectureWorkshop | BrainstormingIdeationCreativityWorkshopDivergence | BrainstormingIdeationCreativityRisk |