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Selected:A3 Problem SolvingLASR (Lightweight Approach for Software Reviews)Architecture Communication Canvas5 Whys
| Criterion |  Operations A3 Problem Solving |  Architecture LASR (Lightweight Approach for Software Reviews) |  Architecture Architecture Communication Canvas |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 45-90 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 60-120 min | 15-30 min |
Participantsdifferent | 2-5 | 1 or a small team; particularly suitable for 3–4 people | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | 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 | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Root cause notes, Countermeasures |
Tagsno overlap | LeanProblem solvingCoachingOperations | ArchitectureQualityRiskAssessmentLean | ArchitectureCommunicationStakeholdersCanvas | Root causeIncidentLeanProblem solving |