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| Criterion |  Innovation Design Sprint |  Operations Causal Factor Analysis |  Product Discovery Smoke Test |
|---|---|---|---|
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. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | When demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. |
Complexitydifferent | High | High | Low |
Timedifferent | 4-5 Tage | 2-6 h | 1-5 Tage |
Participantsdifferent | 5-8 | 3-10 | Nutzertraffic |
Formatdifferent | Workshop | Workshop + async | Async |
Outputdifferent | Prototype, Test Findings, Decision Rationale | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Interest Metrics, Conversion Signal, Learning Note |
Tagsno overlap | Design sprintPrototypeValidationInnovation | CausalityIncidentRoot causeTimeline | ValidationExperimentsDemandGrowth |
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