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Selected:GIST Planning8D Problem SolvingATAM (Architecture Tradeoff Analysis Method)Root Cause Analysis
| Criterion |  Product Strategy GIST Planning |  Operations 8D Problem Solving |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | GIST Planning helps clarify target groups, value, goals, and priorities. It links customer value, product logic, and decision priorities, and captures the result as goals, an idea bank, and a step-project list. | 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. | 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 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 | Medium | High | High | Medium |
Timedifferent | Wochen bis Monate je Goal | 1-6 Wochen | Several meetings plus preparation and analysis; total effort depends on scope | 1-4 h |
Participantsdifferent | 3-10 | 4-10 | Evaluation team, architects, and relevant stakeholders | 3-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Goals, Idea bank, Step-project list, Tasks, Learning reports | 8D Report, Containment Plan, Root Cause Evidence, Corrective 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 | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | RoadmapOutcomesPlanningExperiments | QualityProblem solvingRoot cause | ArchitectureQualityRiskTradeoffsStakeholders | Root causeProblem solvingQualityIncident |