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| Criterion |  Operations Kepner-Tregoe |  Product Discovery Test Card |
|---|---|---|
Purposedifferent | 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | High | Low |
Timedifferent | 2-8 h | 20-35 min |
Participantsdifferent | 2-8 | 1-5 |
Formatsame | Workshop + async | Workshop + async |
Outputdifferent | Problem Analysis, Decision Analysis, Risk Plan | Test Card with a pre-set threshold |
Tagsno overlap | Problem solvingRoot causeDecisionOperations | ExperimentsValidationDiscoveryHypothesis |
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