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| Criterion |  Product Discovery Context Canvas |  Operations 8D Problem Solving |  Agile Specification by Example |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | When an environment of users, systems, and constraints is hard to grasp, it puts the context compactly on the table. It creates a clear reading of influence, boundary, and dependency. | 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. | When business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. | 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 | Low | High | Medium | Low |
Timedifferent | 45-90 min | 1-6 Wochen | 60-90 min pro Feature | 15-30 min |
Participantsdifferent | 3-10 | 4-10 | 3-6 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Context canvas, Open questions, Shared context notes | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Example Table, Acceptance Tests | Root cause notes, Countermeasures |
Tagsno overlap | ContextFramingRequirementsCanvas | QualityProblem solvingRoot cause | AgileRequirementsExamplesBehavior-Driven Development | Root causeIncidentLeanProblem solving |