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| Criterion |  Agile Sprint Retrospective |  Product Discovery MVP Test Matrix |  Product Discovery Experiment Canvas |
|---|---|---|---|
Purposedifferent | When a sprint is over and friction shouldn't simply be carried forward, it opens the view onto collaboration and patterns. It creates space to see causes and changes together. | 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. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | Up to 3 hours for a one-month Sprint; shorter Sprints are usually shorter | 45-75 min | 30-60 min |
Participantsdifferent | Scrum Team | 2-8 | 1-5 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Improvement actions, Team agreements | Test Matrix, Test Plan | Completed Experiment Canvas, Success Metric |
Tagsno overlap | RetrospectiveImprovementLearning | ExperimentsValidationDiscoveryOptions | ExperimentsValidationDiscoveryHypothesis |
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