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Selected:Constraint AnalysisARID (Active Reviews for Intermediate Designs)Root Cause AnalysisRoot Cause Tree Analysis
| Criterion |  Decision Making Constraint Analysis |  Architecture ARID (Active Reviews for Intermediate Designs) |  Operations Root Cause Analysis |  Operations Root Cause Tree Analysis |
|---|---|---|---|---|
Purposedifferent | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | ARID examines how well developers can work with a technical design. It focuses on a part of the system that can still be revised, between the architecture overview and the detailed specification. | 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 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. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 30-90 min | 2–4 h review as a planning range; preparation and evaluation additional | 1-4 h | 1-3 h |
Participantsdifferent | 2-8 | Designers, developers as users, and facilitation | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | ConstraintsDecisionPlanningOptions | ArchitectureEngineeringFeedbackValidationTasks | Root causeProblem solvingQualityIncident | Root causeTreeIncidentQuality |