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| Criterion |  Product Discovery Test Card |  Product Discovery Fake Door Test |  Agile Bucket System |  Agile Affinity Estimation |
|---|---|---|---|---|
Purposedifferent | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. | When a large batch of work needs a fast, rough estimate, it sorts items into predefined size buckets. It sorts work by value, risk, and delivery ability. The result is captured as a Bucketed Backlog, Relative Estimates, and Split Candidates. | When many tasks need to be classified quickly, it sorts them by perceived effort and similarity. It reduces the effort of fine-grained estimation for large volumes. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 20-35 min | 1-5 Tage | 30-90 min | 30-90 min |
Participantsdifferent | 1-5 | Nutzertraffic | 3-12 | 3-12 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop |
Outputdifferent | Test Card with a pre-set threshold | Click Data, Interest Signal, Learning Decision | Bucketed Backlog, Relative Estimates, Split Candidates | Affinity Size Map, Grouped Estimates, Unclear Items |
Tagsno overlap | ExperimentsValidationDiscoveryHypothesis | ValidationExperimentsDemandDiscovery | EstimationBacklogRelative sizing | EstimationBacklogRelative sizing |