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| Criterion | ![]() Innovation Design Sprint | ![]() Product Discovery Solution Interview | ![]() Decision Making Pre-Mortem | ![]() Decision Making Assumption Surfacing |
|---|---|---|---|---|
Purposedifferent | 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. | When a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | 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 | High | Medium | Low | Low |
Timedifferent | 4-5 Tage | 30-60 min je Interview | 20–45 min | 45-90 min |
Participantsdifferent | 5-8 | 5-10 Interviews | Small cross-functional group | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Prototype, Test Findings, Decision Rationale | Solution Feedback, Objection List, Validation Notes | Risk list, Mitigation plan, Assumption log | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | Design sprintPrototypeValidationInnovation | ValidationInterviewsPrototype | RiskDecisionFailurePlanning | AssumptionsRiskDecisionDiscovery |



