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| Criterion |  Architecture Architecture Decision Record |  Product Discovery Smoke Test |  Product Discovery Riskiest Assumption Test |  Product Discovery Experiment Canvas |
|---|---|---|---|---|
Purposedifferent | 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 demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. | When an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 15-45 min | 1-5 Tage | 1-2 Wochen pro Iteration | 30-60 min |
Participantsdifferent | 1-3 | Nutzertraffic | 2-6 | 1-5 |
Formatdifferent | Async | Async | Workshop + async | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Interest Metrics, Conversion Signal, Learning Note | Prioritized Assumption List, Test Plan, Results Report | Completed Experiment Canvas, Success Metric |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | ValidationExperimentsDemandGrowth | ExperimentsValidationDiscoveryAssumptions | ExperimentsValidationDiscoveryHypothesis |