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Selected:Hypothesis-Driven TroubleshootingARID (Active Reviews for Intermediate Designs)Kepner-Tregoe
| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Architecture ARID (Active Reviews for Intermediate Designs) |  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. | 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 | High |
Timedifferent | 30-240 min | 2–4 h review as a planning range; preparation and evaluation additional | 2-8 h |
Participantsdifferent | 1-6 | Designers, developers as users, and facilitation | 2-8 |
Formatsame | Workshop + async | Workshop + async | 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 Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | ArchitectureEngineeringFeedbackValidationTasks | Problem solvingRoot causeDecisionOperations |
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