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| Criterion | ![]() Systems Thinking Systems Mapping | ![]() Systems Thinking Future Reality Tree | ![]() Agile Bucket System | ![]() Agile Affinity Estimation |
|---|---|---|---|---|
Purposedifferent | Systems Mapping arranges elements, relationships, and boundaries so a complex field becomes legible at a glance. The overview stabilizes the overall picture before detail work or steering begins. | 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 a large batch of work needs a fast, rough estimate, it sorts items into predefined size buckets. It sorts work by value, risk, and delivery ability. The result is captured as a Bucketed Backlog, Relative Estimates, and Split Candidates. | When many tasks need to be classified quickly, it sorts them by perceived effort and similarity. It reduces the effort of fine-grained estimation for large volumes. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | 1-3 h | 2-4 h | 30-90 min | 30-90 min |
Participantsdifferent | 3-12 | 3-8 | 3-12 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | System Map, Dependencies, Leverage Points | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Bucketed Backlog, Relative Estimates, Split Candidates | Affinity Size Map, Grouped Estimates, Unclear Items |
Tagsno overlap | Systems thinkingMappingBoundariesChange | Theory of ConstraintsSystems thinkingChange | EstimationBacklogRelative sizing | EstimationBacklogRelative sizing |



