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| Criterion |  Operations Failure Mode and Effects Analysis |  Innovation Brainstorming |  Operations 5 Whys |  Innovation Reverse Brainstorming |
|---|---|---|---|---|
Purposedifferent | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | When a team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. | 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 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. |
Complexitydifferent | High | Low | Low | Low |
Timedifferent | 2-6 h | 30-60 min | 15-30 min | 30-60 min |
Participantsdifferent | 3-10 | 4-12 | 2-6 | 3-12 |
Formatsame | Workshop | Workshop | Workshop | Workshop |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | Idea pool, Theme clusters, Shortlist | Root cause notes, Countermeasures | Reverse Ideas, Risk Themes, Solution Ideas |
Tagsno overlap | RiskQualityOperationsRoot cause | BrainstormingIdeationCreativityWorkshopDivergence | Root causeIncidentLeanProblem solving | BrainstormingIdeationCreativityRisk |