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| Criterion |  Innovation Solo Brainstorming |  Architecture arc42 |  Architecture Architecture Decision Record |  Innovation Brainstorming |
|---|---|---|---|---|
Purposedifferent | For an individual thinking problem with no counterpart immediately available, the method creates a protected space for one's own approaches. It prevents outside opinions from narrowing thinking too early. This lets ideas mature before they go into a group format. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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 | 15-60 min | 1-2 Tage | 15-45 min | 30-60 min |
Participantsdifferent | 1 | 1-4 | 1-3 | 4-12 |
Formatdifferent | Async | Workshop + async | Async | Workshop |
Outputdifferent | Personal Idea List, Sketches or Mind Map, Pre-Read for Group Session | Architecture Document, Context View, Runtime View, Deployment View | ADR File, Decision Log, Rationale | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | BrainstormingIdeationAsync | ArchitectureDocumentationCommunication | ArchitectureRationaleDocumentationGovernance | BrainstormingIdeationCreativityWorkshopDivergence |