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| Criterion |  Innovation Contradiction Analysis |  Operations Causal Factor Analysis |  Innovation TRIZ |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | When a system should improve while another measure suffers as a result, the method makes the underlying conflict precisely formulable. It separates the desired effect from its side effect. This makes solutions possible that address the contradiction deliberately instead of half-heartedly. | 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 technical contradictions or trade-offs, the method looks for solutions that resolve opposing requirements at the same time. It translates limits into an explicit picture of conflict that becomes workable. This produces not just compromises but more elegant principles. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. |
Complexitydifferent | Medium | High | High | Medium |
Timedifferent | 60-120 min | 2-6 h | 1-4 h | 2-4 h |
Participantsdifferent | 2-8 | 3-10 | 2-8 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Contradiction Statement, Inventive Principles, Solution Concepts | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | ContradictionsInnovationProblem solving | CausalityIncidentRoot causeTimeline | InnovationProblem solvingContradictionsCreativity | Root causeSafetyIncident |