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| Criterion |  Innovation Double Diamond |  Product Discovery Assumption Mapping |  Innovation Crazy 8s |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|---|
Purposedifferent | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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 an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | Wochen bis Monate | 45-60 min | 8-15 min | 1-2 Wochen pro Iteration |
Participantsdifferent | 3-12 | 2-8 | 1-10 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Assumption map, Test backlog, Risk ranking | Sketch Set, Idea Shortlist, Direction Options | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | ProcessDivergenceInnovation | AssumptionsRiskExperimentsValidation | BrainstormingSketchingSpeedDivergenceDesign sprint | ExperimentsValidationDiscoveryAssumptions |