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Selected:Architecture Decision RecordLASR (Lightweight Approach for Software Reviews)A/B TestingAssumption Mapping
| Criterion |  Architecture Architecture Decision Record |  Architecture LASR (Lightweight Approach for Software Reviews) |  Growth A/B Testing |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
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. | LASR helps development teams identify where their software falls short of important quality goals and which improvements to consider. A small group with existing system knowledge can make an initial assessment and investigate open questions in more detail. | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Low | Medium | High | Medium |
Timedifferent | 15-45 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 1-4 Wochen | 45-60 min |
Participantsdifferent | 1-3 | 1 or a small team; particularly suitable for 3–4 people | 1-6 | 2-8 |
Formatdifferent | Async | Workshop + async | Async | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Lean Mission Statement describing the software’s purpose, Prioritized quality goals and evaluation criteria, Risks and estimated gaps against quality goals, More closely examined findings and open checks | Experiment results, Decision log, Learning summary | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | ArchitectureQualityRiskAssessmentLean | ExperimentsGrowthAnalyticsValidation | AssumptionsRiskExperimentsValidation |