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Selected:5-Minuten VC-CheckARID (Active Reviews for Intermediate Designs)Kepner-TregoeA3 Problem Solving
| Criterion |  Business Strategy 5-Minuten VC-Check |  Architecture ARID (Active Reviews for Intermediate Designs) |  Operations Kepner-Tregoe |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | 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. | 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 disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | 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. |
Complexitydifferent | Low | Medium | High | Medium |
Timedifferent | 5-15 min | 2–4 h review as a planning range; preparation and evaluation additional | 2-8 h | 45-90 min |
Participantsdifferent | 1-5 | Designers, developers as users, and facilitation | 2-8 | 2-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | VC-check note, Go/sharpen/park decision, Risk and assumption list, Next validation step | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Problem Analysis, Decision Analysis, Risk Plan | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | StartupValidationCompetition | ArchitectureEngineeringFeedbackValidationTasks | Problem solvingRoot causeDecisionOperations | LeanProblem solvingCoachingOperations |