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Selected:Design SprintHypothesis-Driven TroubleshootingFault IsolationARID (Active Reviews for Intermediate Designs)
| Criterion |  Innovation Design Sprint |  Engineering Hypothesis-Driven Troubleshooting |  Engineering Fault Isolation |  Architecture ARID (Active Reviews for Intermediate Designs) |
|---|---|---|---|---|
Purposedifferent | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. | In technical failures, the visible symptom often gets mixed up with the actual cause. Fault Isolation narrows the fault space and progressively reduces which part of the system is truly affected. | 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. |
Complexitydifferent | High | Medium | Medium | Medium |
Timedifferent | 4-5 Tage | 30-240 min | 30-180 min | 2–4 h review as a planning range; preparation and evaluation additional |
Participantsdifferent | 5-8 | 1-6 | 1-6 | Designers, developers as users, and facilitation |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Prototype, Test Findings, Decision Rationale | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions |
Tagsno overlap | Design sprintPrototypeValidationInnovation | TroubleshootingProblem solvingDiagnosis | TroubleshootingDiagnosisEngineering | ArchitectureEngineeringFeedbackValidationTasks |