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| Criterion |  Operations Causal Factor Analysis |  Operations 5 Whys |  Innovation SCAMPER |
|---|---|---|---|
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. | 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 an existing solution under pressure to change, the method deliberately opens space for systematic variants. It directs attention to rebuilding, combining, and repurposing rather than only new basic ideas. This produces concrete evolution paths for products, offerings, or workflows. |
Complexitydifferent | High | Low | Low |
Timedifferent | 2-6 h | 15-30 min | 30-60 min |
Participantsdifferent | 3-10 | 2-6 | 2-10 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Root cause notes, Countermeasures | SCAMPER Idea List, Concept Shortlist, Variation Notes |
Tagsno overlap | CausalityIncidentRoot causeTimeline | Root causeIncidentLeanProblem solving | BrainstormingIdeationCreativityReframingInnovation |
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