UNIT 15 Nursing Theories: Introduction Nursing Theories: Nursing theories provide a framework for nursing practice, research, and education. These theories define the roles of nurses, guide decision-making, and improve patient care. In the Nursing Foundation, understanding nursing theories is essential for shaping nursing practice and ensuring quality healthcare. 1. Definition of Nursing Theories Nursing theories are systematic and organized frameworks that explain, predict, and guide nursing practice. They provide a