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| Criterion |  Business Strategy 5-Minuten VC-Check |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations 5 Whys |  Operations 8D 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. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. | 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 | Low | High | Low | High |
Timedifferent | 5-15 min | Several meetings plus preparation and analysis; total effort depends on scope | 15-30 min | 1-6 Wochen |
Participantsdifferent | 1-5 | Evaluation team, architects, and relevant stakeholders | 2-6 | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | VC-check note, Go/sharpen/park decision, Risk and assumption list, Next validation step | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Root cause notes, Countermeasures | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | StartupValidationCompetition | ArchitectureQualityRiskTradeoffsStakeholders | Root causeIncidentLeanProblem solving | QualityProblem solvingRoot cause |