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| Criterion |  Operations Causal Factor Analysis |  Innovation Design Sprint |  Systems Thinking Current Reality Tree |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | 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 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. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. | 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 | High | High | Low |
Timedifferent | 2-6 h | 4-5 Tage | 2-6 h | 15-30 min |
Participantsdifferent | 3-10 | 5-8 | 3-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Prototype, Test Findings, Decision Rationale | Current Reality Tree, Core Problems, Intervention Ideas | Root cause notes, Countermeasures |
Tagsno overlap | CausalityIncidentRoot causeTimeline | Design sprintPrototypeValidationInnovation | Systems thinkingRoot causeConstraintsCausality | Root causeIncidentLeanProblem solving |