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Selected:Outcome-Driven InnovationATAM (Architecture Tradeoff Analysis Method)5 WhysRoot Cause Analysis
| Criterion |  Product Discovery Outcome-Driven Innovation |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations 5 Whys |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | Outcome-Driven Innovation clarifies customer problems, solution opportunities, and evidence. It separates jobs, desired outcomes, importance, satisfaction, and opportunity, and captures results as desired outcome statements, an opportunity landscape, and segments by underserved needs. | 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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | High | High | Low | Medium |
Timedifferent | Mehrere Wochen | Several meetings plus preparation and analysis; total effort depends on scope | 15-30 min | 1-4 h |
Participantsdifferent | 2-6 researchers plus sample | Evaluation team, architects, and relevant stakeholders | 2-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Desired outcome statements, Opportunity landscape, Segmentation by underserved needs, Innovation hypotheses | 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 | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | OutcomesInnovationResearchQuantitative | ArchitectureQualityRiskTradeoffsStakeholders | Root causeIncidentLeanProblem solving | Root causeProblem solvingQualityIncident |