This document discusses various models and approaches for evaluating quality in nursing care. It describes Donabedian's framework for measuring quality through structure, process, and outcomes. The American Nurses Association model is a cyclic model that helps determine patient and family needs and nursing's contribution to quality care. Marker's Umbrella Model aims to standardize nursing practice to provide continuity, consistency, competency and maximize patient outcomes. Factors like accreditation bodies, resources and nursing values influence quality measurement and improvement. Specific approaches include audits, quality awards, peer assessment and utilization review.