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| Criterion |  Business Strategy 5-Minuten VC-Check |  Architecture ARID (Active Reviews for Intermediate Designs) |  Operations Kepner-Tregoe |  Operations 5 Whys |
|---|---|---|---|---|
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 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. |
Complexitydifferent | Low | Medium | High | Low |
Timedifferent | 5-15 min | 2–4 h review as a planning range; preparation and evaluation additional | 2-8 h | 15-30 min |
Participantsdifferent | 1-5 | Designers, developers as users, and facilitation | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
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 | Root cause notes, Countermeasures |
Tagsno overlap | StartupValidationCompetition | ArchitectureEngineeringFeedbackValidationTasks | Problem solvingRoot causeDecisionOperations | Root causeIncidentLeanProblem solving |