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| Criterion |  Product Strategy Product Canvas |  Product Discovery Test Card |  Operations Fishbone Diagram |
|---|---|---|---|
Purposedifferent | When product goal and feature scope don't yet fit cleanly together, it creates a shared working picture. It connects need, core features, and assumptions into a solid starting point. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 1-2 h | 20-35 min | 30-60 min |
Participantsdifferent | 2-8 | 1-5 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Product Canvas, Product Assumptions, Scope Notes | Test Card with a pre-set threshold | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | CanvasDiscoveryScope | ExperimentsValidationDiscoveryHypothesis | Root causeQualityOperations |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
