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Selected:Hypothesis-Driven TroubleshootingARID (Active Reviews for Intermediate Designs)Decision JamKepner-Tregoe
| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Architecture ARID (Active Reviews for Intermediate Designs) |  Facilitation Decision Jam |  Operations Kepner-Tregoe |
|---|---|---|---|---|
Purposedifferent | When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. | 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 decision is stuck, Decision Jam loosens the knot through structured separation of problem, idea, and selection. The format creates movement without jumping prematurely at the first seemingly elegant answer. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Medium | Medium | Low | High |
Timedifferent | 30-240 min | 2–4 h review as a planning range; preparation and evaluation additional | 60-90 min | 2-8 h |
Participantsdifferent | 1-6 | Designers, developers as users, and facilitation | 4-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Problem Cluster, Prioritized Challenge, Experiment | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | ArchitectureEngineeringFeedbackValidationTasks | FacilitationDecisionProblem solvingWorkshop | Problem solvingRoot causeDecisionOperations |