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| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Business Strategy 5-Minuten VC-Check |  Operations 5 Whys |  Operations 8D Problem Solving |
|---|---|---|---|---|
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. | The 5-Minute VC Check clarifies opportunities and strategic options at the earliest idea stage. It compares problem quality, customer willingness to pay, alternatives, differentiation, and market potential, and captures the result as a VC-check note, go/sharpen/park decision, and risk list. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | Medium | Low | Low | High |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 5-15 min | 15-30 min | 1-6 Wochen |
Participantsdifferent | Designers, developers as users, and facilitation | 1-5 | 2-6 | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | VC-check note, Go/sharpen/park decision, Risk and assumption list, Next validation step | Root cause notes, Countermeasures | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | StartupValidationCompetition | Root causeIncidentLeanProblem solving | QualityProblem solvingRoot cause |