A textbook on Behavioral science in nursing explores the interplay between psychological, social, and emotional factors and their impact on patient care and nursing practice. It provides a comprehensive framework for understanding how behavior influences health outcomes, focusing on key concepts such as human development, emotions, cognitive process, communication, motivation, and patient engagement. The text covers theories of human behavior, assessment techniques, and intervention strategies, enabling nurses to build effective therapeutic relationships and address the diverse needs of patients. By integrating behavioral science principles, the textbook equips nursing professionals with the skills necessary to promote health, support adherence to treatment plans, and enhance overall patient well-being. It chapters are formulated as per the revised INC syllabus.? Comprehensive guide to equip aspiring and practicing nurses with essential insights into human behavior.