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| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Product Discovery Test Card |  UX Design Lean UX Canvas |  Product Discovery Learning 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | The Lean UX Canvas helps clarify user behavior, touchpoints, and concept decisions. It makes assumptions and desired outcomes visible and captures the result as a completed canvas, hypothesis list, and first experiment. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 30-240 min | 20-35 min | 2-3 h | 25-40 min |
Participantsdifferent | 1-6 | 1-5 | 3-8 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Test Card with a pre-set threshold | Completed Lean UX Canvas, Hypothesis list, First experiment | Learning Card with evidence and next action |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | ExperimentsValidationDiscoveryHypothesis | CanvasHypothesisOutcomesDiscovery | ExperimentsValidationDiscoveryLearning |