Quality Improvement vs Audit vs Research

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QI methods: PDSA cycles (small, iterative), driver diagrams, run charts & statistical process control (common vs special cause variation). Audit vs QI vs research (aim, method, ethics approval, generalisability) — comparison table. When ethics approval is needed (research yes; audit/QI usually no). Model for Improvement (3 questions). Diagram: PDSA cycle. Exam tip: research generates new knowledge & needs ethics approval; audit/QI improve local care & usually don't.

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