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Selected:Design ThinkingSolution InterviewLASR (Lightweight Approach for Software Reviews)ARID (Active Reviews for Intermediate Designs)
| Criterion |  Innovation Design Thinking |  Product Discovery Solution Interview |  Architecture LASR (Lightweight Approach for Software Reviews) |  Architecture ARID (Active Reviews for Intermediate Designs) |
|---|---|---|---|---|
Purposedifferent | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | 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. | LASR helps development teams identify where their software falls short of important quality goals and which improvements to consider. A small group with existing system knowledge can make an initial assessment and investigate open questions in more detail. | 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 | 1 Tag bis mehrere Wochen | 30-60 min je Interview | 3–4 h for initial assessment; preparation and deeper analysis additional | 2–4 h review as a planning range; preparation and evaluation additional |
Participantsdifferent | 4-10 | 5-10 Interviews | 1 or a small team; particularly suitable for 3–4 people | Designers, developers as users, and facilitation |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Statement, Prototype, Test Learnings | Solution Feedback, Objection List, Validation Notes | Lean Mission Statement describing the software’s purpose, Prioritized quality goals and evaluation criteria, Risks and estimated gaps against quality goals, More closely examined findings and open checks | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions |
Tagsno overlap | InnovationPrototypeResearch | ValidationInterviewsPrototype | ArchitectureQualityRiskAssessmentLean | ArchitectureEngineeringFeedbackValidationTasks |