This document discusses the principles of andragogy, or adult learning. It covers the following key topics: - The six core assumptions of andragogy, including a learner's need to know, self-concept as autonomous and self-directed, value of prior experience, readiness to learn, orientation to learning as problem-centered and contextual, and intrinsic motivation to learn. - Factors that influence adult learning, such as individual differences, situational differences, and societal and institutional influences. - Core principles of adult learning, including motivation to learn being influenced by biological and psychological factors, and the importance of culture in shaping motivation. - Four keys to creating a learning environment that enhances adult motivation