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| Criterion |  Product Strategy Product Canvas |  Innovation Crazy 8s |  Product Discovery Experiment Canvas |  Product Discovery Fake Door Test |
|---|---|---|---|---|
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. | With only a few minutes available and a still-fuzzy solution search, the method forces a wide range of variants. It produces fast sketches before the first idea can settle in, making different directions directly comparable and open to further development. | 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. | 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. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 1-2 h | 8-15 min | 30-60 min | 1-5 Tage |
Participantsdifferent | 2-8 | 1-10 | 1-5 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Async |
Outputdifferent | Product Canvas, Product Assumptions, Scope Notes | Sketch Set, Idea Shortlist, Direction Options | Completed Experiment Canvas, Success Metric | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | CanvasDiscoveryScope | BrainstormingSketchingSpeedDivergenceDesign sprint | ExperimentsValidationDiscoveryHypothesis | ValidationExperimentsDemandDiscovery |