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| Criterion |  Operations Root Cause Tree Analysis |  Architecture LASR (Lightweight Approach for Software Reviews) |  Innovation Lean Startup |
|---|---|---|---|
Purposedifferent | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | 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. | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-3 h | 3–4 h for initial assessment; preparation and deeper analysis additional | Wochen bis Monate je Lernzyklus |
Participantsdifferent | 2-8 | 1 or a small team; particularly suitable for 3–4 people | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Cause Tree, Evidence Notes, Countermeasures | 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 | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision |
Tagsno overlap | Root causeTreeIncidentQuality | ArchitectureQualityRiskAssessmentLean | LeanStartupValidationMVP |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
