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| Criterion |  Innovation Double Diamond |  Product Discovery Assumption Mapping |  Innovation Design Sprint |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
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. | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | Wochen bis Monate | 45-60 min | 4-5 Tage | 45-90 min |
Participantsdifferent | 3-12 | 2-8 | 5-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Assumption map, Test backlog, Risk ranking | Prototype, Test Findings, Decision Rationale | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | ProcessDivergenceInnovation | AssumptionsRiskExperimentsValidation | Design sprintPrototypeValidationInnovation | AssumptionsRiskDecisionDiscovery |