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Selected:Double DiamondATAM (Architecture Tradeoff Analysis Method)Gemba WalkFailure Mode and Effects Analysis
| Criterion |  Innovation Double Diamond |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Gemba Walk |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. |
Complexitydifferent | Medium | High | Low | High |
Timedifferent | Wochen bis Monate | Several meetings plus preparation and analysis; total effort depends on scope | 30-120 min | 2-6 h |
Participantsdifferent | 3-12 | Evaluation team, architects, and relevant stakeholders | 2-6 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Observation Notes, Improvement Ideas | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | ProcessDivergenceInnovation | ArchitectureQualityRiskTradeoffsStakeholders | LeanObservationProcessOperations | RiskQualityOperationsRoot cause |