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| Criterion |  Product Discovery Hypothesis Prioritization Canvas |  Operations 5 Whys |  Product Discovery Test Card |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
Purposedifferent | When many hypotheses compete for attention, it brings order to their learning sequence and importance. It separates problem, assumption, solution, and evidence. The result is captured as a prioritization canvas and a hypothesis backlog. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 60-90 min | 15-30 min | 20-35 min | 45-75 min |
Participantsdifferent | 3-8 | 2-6 | 1-5 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Prioritization Canvas, Hypothesis Backlog | Root cause notes, Countermeasures | Test Card with a pre-set threshold | Test Matrix, Test Plan |
Tagsno overlap | ExperimentsPrioritizationDiscoveryHypothesis | Root causeIncidentLeanProblem solving | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryOptions |