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Selected:LASR (Lightweight Approach for Software Reviews)Accountability LadderRoot Cause Analysis5 Whys
| Criterion |  Architecture LASR (Lightweight Approach for Software Reviews) |  Operations Accountability Ladder |  Operations Root Cause Analysis |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | 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. | With defensive reactions to problems, the method shifts the view from justification to ownership. It makes visible which reaction stage a person or team is currently stuck on. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | 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 | Low | Medium | Low |
Timedifferent | 3–4 h for initial assessment; preparation and deeper analysis additional | 20-45 min | 1-4 h | 15-30 min |
Participantsdifferent | 1 or a small team; particularly suitable for 3–4 people | 1-8 | 3-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | 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 | Ownership Reflection, Action Commitment, Coaching Notes | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Root cause notes, Countermeasures |
Tagsno overlap | ArchitectureQualityRiskAssessmentLean | ResponsibilityLeadershipTeam | Root causeProblem solvingQualityIncident | Root causeIncidentLeanProblem solving |