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Selected:A3 Problem SolvingTrade-off AnalysisLASR (Lightweight Approach for Software Reviews)Decision Matrix
| Criterion |  Operations A3 Problem Solving |  Decision Making Trade-off Analysis |  Architecture LASR (Lightweight Approach for Software Reviews) |  Decision Making Decision Matrix |
|---|---|---|---|---|
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. | With limited resources, quality, speed, cost, and risk almost always compete with each other. Trade-off Analysis makes these tensions explicit and prevents decisions from producing hidden side effects. | 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 several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 45-90 min | 45-120 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 45-90 min |
Participantsdifferent | 2-5 | 2-8 | 1 or a small team; particularly suitable for 3–4 people | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides | 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 | Decision Matrix, Scoring Rationale, Selected Option |
Tagsno overlap | LeanProblem solvingCoachingOperations | TradeoffsDecisionCriteriaOptions | ArchitectureQualityRiskAssessmentLean | DecisionCriteriaScoringTradeoffs |