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| Criterion |  Operations 5 Whys |  Innovation Rapid Ideation |  Innovation Reverse Brainstorming |
|---|---|---|---|
Purposedifferent | 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. | When a decision needs to be prepared quickly, the method generates many solution-close variants in a short time. It deliberately relies on pace to undercut self-censorship and perfectionism. This quickly produces a usable field for prioritization and further work. | For persistent errors or blockages, the method shifts the view to the opposite of the desired effect. It exposes the mechanics of failure and makes hidden causes easier to grasp. This makes improvement more concrete and the problem clearer. |
Complexitysame | Low | Low | Low |
Timedifferent | 15-30 min | 5-20 min | 30-60 min |
Participantsdifferent | 2-6 | 1-20 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Root cause notes, Countermeasures | Ideenpool, Roh-Shortlist, Cluster | Reverse Ideas, Risk Themes, Solution Ideas |
Tagsno overlap | Root causeIncidentLeanProblem solving | BrainstormingIdeationDivergenceSpeed | BrainstormingIdeationCreativityRisk |
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