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Selected:ARID (Active Reviews for Intermediate Designs)Double DiamondA3 Problem SolvingContradiction Analysis
| Criterion | ![]() Architecture ARID (Active Reviews for Intermediate Designs) | ![]() Innovation Double Diamond | ![]() Operations A3 Problem Solving | ![]() Innovation Contradiction Analysis |
|---|---|---|---|---|
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. | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | When a system should improve while another measure suffers as a result, the method makes the underlying conflict precisely formulable. It separates the desired effect from its side effect. This makes solutions possible that address the contradiction deliberately instead of half-heartedly. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | Wochen bis Monate | 45-90 min | 60-120 min |
Participantsdifferent | Designers, developers as users, and facilitation | 3-12 | 2-5 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | A3 Report, Action Plan, Root Cause Analysis | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | ProcessDivergenceInnovation | LeanProblem solvingCoachingOperations | ContradictionsInnovationProblem solving |



