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| Criterion |  Systems Thinking Current Reality Tree |  Operations Causal Factor Analysis |  Product Discovery Learning Card |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|---|
Purposedifferent | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | When an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitydifferent | High | High | Low | Medium |
Timedifferent | 2-6 h | 2-6 h | 25-40 min | 1-2 Wochen pro Iteration |
Participantsdifferent | 3-8 | 3-10 | 1-5 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Current Reality Tree, Core Problems, Intervention Ideas | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Learning Card with evidence and next action | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | Systems thinkingRoot causeConstraintsCausality | CausalityIncidentRoot causeTimeline | ExperimentsValidationDiscoveryLearning | ExperimentsValidationDiscoveryAssumptions |