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| Criterion |  Innovation Design Sprint |  Operations Causal Factor Analysis |  Growth A/B Testing |  Operations Barrier Analysis |
|---|---|---|---|---|
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 two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. |
Complexitydifferent | High | High | High | Medium |
Timedifferent | 4-5 Tage | 2-6 h | 1-4 Wochen | 2-4 h |
Participantsdifferent | 5-8 | 3-10 | 1-6 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Async | Workshop + async |
Outputdifferent | Prototype, Test Findings, Decision Rationale | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Experiment results, Decision log, Learning summary | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | Design sprintPrototypeValidationInnovation | CausalityIncidentRoot causeTimeline | ExperimentsGrowthAnalyticsValidation | Root causeSafetyIncident |