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Selected:LASR (Lightweight Approach for Software Reviews)User Interviews8D Problem SolvingRoot Cause Analysis
| Criterion |  Architecture LASR (Lightweight Approach for Software Reviews) |  UX Research User Interviews |  Operations 8D Problem Solving |  Operations Root Cause Analysis |
|---|---|---|---|---|
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. | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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. |
Complexitydifferent | Medium | Low | High | Medium |
Timedifferent | 3–4 h for initial assessment; preparation and deeper analysis additional | 30–60 min per interview | 1-6 Wochen | 1-4 h |
Participantsdifferent | 1 or a small team; particularly suitable for 3–4 people | 1 participant per interview | 4-10 | 3-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
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 | Interview Notes, Themes, Insight Summary | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | ArchitectureQualityRiskAssessmentLean | QualitativeResearchCustomerDiscovery | QualityProblem solvingRoot cause | Root causeProblem solvingQualityIncident |