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Selected:Current Reality TreeLASR (Lightweight Approach for Software Reviews)Theory of Constraints Thinking ProcessFailure Mode and Effects Analysis
| Criterion |  Systems Thinking Current Reality Tree |  Architecture LASR (Lightweight Approach for Software Reviews) |  Systems Thinking Theory of Constraints Thinking Process |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. | 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 Theory of Constraints Thinking Process exposes a system's bottleneck and the logic behind it. It suits situations where many symptoms trace back to the same limiting relationship. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. |
Complexitydifferent | High | Medium | High | High |
Timedifferent | 2-6 h | 3–4 h for initial assessment; preparation and deeper analysis additional | 0.5-3 Tage | 2-6 h |
Participantsdifferent | 3-8 | 1 or a small team; particularly suitable for 3–4 people | 4-10 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Current Reality Tree, Core Problems, Intervention Ideas | 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 | Current Reality Logic, Conflict Cloud, Future Reality Tree, Implementation Obstacles | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | Systems thinkingRoot causeConstraintsCausality | ArchitectureQualityRiskAssessmentLean | Theory of ConstraintsConstraintsSystems thinkingCausality | RiskQualityOperationsRoot cause |