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| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Decision Making Assumption Surfacing |  Product Discovery Test Card |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|---|
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. | 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 | Medium | Low | Low | Medium |
Timedifferent | 30-240 min | 45-90 min | 20-35 min | 1-2 Wochen pro Iteration |
Participantsdifferent | 1-6 | 2-8 | 1-5 | 2-6 |
Formatsame | Workshop + async | 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 | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | AssumptionsRiskDecisionDiscovery | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryAssumptions |