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| Criterion |  Innovation Design Sprint |  Operations 5 Whys |  Innovation Design Thinking |  Operations Root Cause 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 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. | 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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | High | Low | High | Medium |
Timedifferent | 4-5 Tage | 15-30 min | 1 Tag bis mehrere Wochen | 1-4 h |
Participantsdifferent | 5-8 | 2-6 | 4-10 | 3-8 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Prototype, Test Findings, Decision Rationale | Root cause notes, Countermeasures | Problem Statement, Prototype, Test Learnings | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | Design sprintPrototypeValidationInnovation | Root causeIncidentLeanProblem solving | InnovationPrototypeResearch | Root causeProblem solvingQualityIncident |