View methods side by side.
Choose up to four methods. Add them using the search and share the comparison by copying its link.
| Criterion |  Decision Making Wideband Delphi |  Product Discovery Experiment Canvas |  Product Discovery Test Card |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | A single opinion rarely holds up for planning when the future is genuinely uncertain. It separates options, evaluation criteria, and open risks. The result is captured as an Estimate Range, Assumption Log, and Expert Consensus Notes. | 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | High | Low | Low | Low |
Timedifferent | 1-4 h or multiple rounds | 30-60 min | 20-35 min | 25-40 min |
Participantsdifferent | 4-12 Experten | 1-5 | 1-5 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Estimate Range, Assumption Log, Expert Consensus Notes | Completed Experiment Canvas, Success Metric | Test Card with a pre-set threshold | Learning Card with evidence and next action |
Tagsno overlap | EstimationExpertsForecasting | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryLearning |