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| Criterion |  Systems Thinking VUCA Scan |  Architecture LASR (Lightweight Approach for Software Reviews) |  Architecture Architecture Decision Record |
|---|---|---|---|
Purposedifferent | The VUCA Scan helps read difficult situations more precisely. Instead of treating unclarity as generally complicated, the method separates fast change, missing knowledge, systemic entanglement, and ambiguous interpretation. | 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. | 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 | Low | Medium | Low |
Timedifferent | 30-90 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 15-45 min |
Participantsdifferent | 1-10 | 1 or a small team; particularly suitable for 3–4 people | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | VUCA Map, Response Options, Signal and Learning Plan | 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 | ADR File, Decision Log, Rationale |
Tagsno overlap | SensemakingUncertaintyComplexityStrategyForesight | ArchitectureQualityRiskAssessmentLean | ArchitectureRationaleDocumentationGovernance |
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