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| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Decision Making Assumption Surfacing |  Product Discovery Test Card |
|---|---|---|---|
Purposedifferent | When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 30-240 min | 45-90 min | 20-35 min |
Participantsdifferent | 1-6 | 2-8 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Assumption List, Critical Assumptions, Learning Plan | Test Card with a pre-set threshold |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | AssumptionsRiskDecisionDiscovery | ExperimentsValidationDiscoveryHypothesis |
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