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| Criterion |  Innovation Design Sprint |  Product Discovery Solution Interview |  Architecture C4 Model |  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 a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | 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 | Low | Medium |
Timedifferent | 4-5 Tage | 30-60 min je Interview | 1-4 h | 2–4 h review as a planning range; preparation and evaluation additional |
Participantsdifferent | 5-8 | 5-10 Interviews | 1-5 | Designers, developers as users, and facilitation |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Prototype, Test Findings, Decision Rationale | Solution Feedback, Objection List, Validation Notes | Context Diagram, Container Diagram, Component Diagram | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions |
Tagsno overlap | Design sprintPrototypeValidationInnovation | ValidationInterviewsPrototype | ArchitectureCommunicationVisualization | ArchitectureEngineeringFeedbackValidationTasks |