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Selected:ARID (Active Reviews for Intermediate Designs)Fault IsolationExpectation MappingSpotify Model Mapping
| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Engineering Fault Isolation |  Facilitation Expectation Mapping |  Team Design Spotify Model Mapping |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | When roles, interfaces, or projects fail because of differing expectations, Expectation Mapping surfaces these differences. It shows what each side takes for granted and where the pictures diverge. | When a team landscape has grown without clear grouping, it maps roles and relationships onto the Spotify model. It clarifies responsibility, interaction, and load between teams. The result is captured as a Spotify model map and action list. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 30-180 min | 45-90 min | 90-180 min |
Participantsdifferent | Designers, developers as users, and facilitation | 1-6 | 3-12 | 5-15 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Expectation Map, Alignment Notes, Agreements | Spotify Model Map, Action List |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | TroubleshootingDiagnosisEngineering | AlignmentStakeholdersTeam | TeamOrganizationAlignmentDiagnosis |