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| Criterion |  Product Discovery Solution Interview |  Systems Thinking Future Reality Tree |  Growth A/B Testing |
|---|---|---|---|
Purposedifferent | When a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. | 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 two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. |
Complexitydifferent | Medium | High | High |
Timedifferent | 30-60 min je Interview | 2-4 h | 1-4 Wochen |
Participantsdifferent | 5-10 Interviews | 3-8 | 1-6 |
Formatdifferent | Workshop + async | Workshop | Async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Experiment results, Decision log, Learning summary |
Tagsno overlap | ValidationInterviewsPrototype | Theory of ConstraintsSystems thinkingChange | ExperimentsGrowthAnalyticsValidation |
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