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| Criterion |  Innovation Design Sprint |  Architecture ARID (Active Reviews for Intermediate Designs) |  Operations Barrier Analysis |
|---|---|---|---|
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. | 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 risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. |
Complexitydifferent | High | Medium | Medium |
Timedifferent | 4-5 Tage | 2–4 h review as a planning range; preparation and evaluation additional | 2-4 h |
Participantsdifferent | 5-8 | Designers, developers as users, and facilitation | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Prototype, Test Findings, Decision Rationale | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | Design sprintPrototypeValidationInnovation | ArchitectureEngineeringFeedbackValidationTasks | Root causeSafetyIncident |
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