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| Criterion |  Systems Thinking Future Reality Tree |  Agile Specification by Example |  Agile Acceptance Criteria Workshop |
|---|---|---|---|
Purposedifferent | A Future Reality Tree shows how desired actions are meant to lead to a better system state. The method checks whether a path of change holds together logically before time flows into implementation. | 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. | When a story needs clear checkpoints before implementation, it sharpens expectation and scope together. It sorts work by value, risk, and delivery ability. The result is captured as Acceptance Criteria and a Story Update. |
Complexitydifferent | High | Medium | Low |
Timedifferent | 2-4 h | 60-90 min pro Feature | 20-40 min pro Story |
Participantsdifferent | 3-8 | 3-6 | 3-6 |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Example Table, Acceptance Tests | Acceptance Criteria, Story Update |
Tagsno overlap | Theory of ConstraintsSystems thinkingChange | AgileRequirementsExamplesBehavior-Driven Development | AgileRequirementsRefinementBehavior-Driven Development |
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