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| Criterion |  Decision Making Delphi Method |  UX Research Surveys |  Systems Thinking Future Reality Tree |
|---|---|---|---|
Purposedifferent | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | When a topic needs to be validated broadly and many people can answer the same question, surveys gather structured feedback in a scalable form. Answers become comparable and segmentable instead of remaining merely anecdotal. | 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. |
Complexitydifferent | High | Medium | High |
Timedifferent | 1-4 Wochen | 3-14 Tage | 2-4 h |
Participantsdifferent | 6-30 Experten | 50+ | 3-8 |
Formatdifferent | Async | Async | Workshop |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Survey Results, Charts, Segment Insights | Future Reality Tree, Negative Branches, Assumption List, Improved Injections |
Tagsno overlap | ForecastingExpertsDecisionStrategy | QuantitativeResearchValidation | Theory of ConstraintsSystems thinkingChange |
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