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| Criterion |  Product Discovery Pretotyping |  Operations Causal Factor Analysis |  Operations Kepner-Tregoe |
|---|---|---|---|
Purposedifferent | Pretotyping clarifies whether a customer problem and solution idea create enough real demand. It separates problem, assumption, solution, and evidence, and captures the result as a pretotyping sketch, test setup, and conversion data. | 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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Low | High | High |
Timedifferent | Stunden bis wenige Tage | 2-6 h | 2-8 h |
Participantsdifferent | 1-4 | 3-10 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | ValidationDemandMVP | CausalityIncidentRoot causeTimeline | Problem solvingRoot causeDecisionOperations |
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