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| Criterion |  Innovation Design Sprint |  Operations Barrier Analysis |  Innovation Design Thinking |  Operations 5 Whys |
|---|---|---|---|---|
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 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. | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | High | Medium | High | Low |
Timedifferent | 4-5 Tage | 2-4 h | 1 Tag bis mehrere Wochen | 15-30 min |
Participantsdifferent | 5-8 | 2-6 | 4-10 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Prototype, Test Findings, Decision Rationale | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Problem Statement, Prototype, Test Learnings | Root cause notes, Countermeasures |
Tagsno overlap | Design sprintPrototypeValidationInnovation | Root causeSafetyIncident | InnovationPrototypeResearch | Root causeIncidentLeanProblem solving |