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Selected:Outcome-Driven InnovationRoot Cause AnalysisATAM (Architecture Tradeoff Analysis Method)5 Whys
| Criterion |  Product Discovery Outcome-Driven Innovation |  Operations Root Cause Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations 5 Whys |
|---|---|---|---|---|
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. | 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. | 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. |
Complexitydifferent | High | Medium | High | Low |
Timedifferent | Mehrere Wochen | 1-4 h | Several meetings plus preparation and analysis; total effort depends on scope | 15-30 min |
Participantsdifferent | 2-6 researchers plus sample | 3-8 | Evaluation team, architects, and relevant stakeholders | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Desired outcome statements, Opportunity landscape, Segmentation by underserved needs, Innovation hypotheses | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | 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 |
Tagsno overlap | OutcomesInnovationResearchQuantitative | Root causeProblem solvingQualityIncident | ArchitectureQualityRiskTradeoffsStakeholders | Root causeIncidentLeanProblem solving |