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| Criterion |  Decision Making Delphi Method |  Facilitation Decision Jam |  Architecture arc42 |  Architecture Architecture Decision Record |
|---|---|---|---|---|
Purposedifferent | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | When a decision is stuck, Decision Jam loosens the knot through structured separation of problem, idea, and selection. The format creates movement without jumping prematurely at the first seemingly elegant answer. | 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. |
Complexitydifferent | High | Low | Low | Low |
Timedifferent | 1-4 Wochen | 60-90 min | 1-2 Tage | 15-45 min |
Participantsdifferent | 6-30 Experten | 4-10 | 1-4 | 1-3 |
Formatdifferent | Async | Workshop | Workshop + async | Async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Problem Cluster, Prioritized Challenge, Experiment | Architecture Document, Context View, Runtime View, Deployment View | ADR File, Decision Log, Rationale |
Tagsno overlap | ForecastingExpertsDecisionStrategy | FacilitationDecisionProblem solvingWorkshop | ArchitectureDocumentationCommunication | ArchitectureRationaleDocumentationGovernance |