Introduction to Health Behavior Theory, Third Edition is designed to provide students with an easy to understand, interesting, and engaging introduction to the theoretical basis of health education. Written with the undergraduate in mind, the text uses comprehensive and accessible explanations to help students understand what theory is, how theories are developed, and what factors influence health behavior theory. Covering the more frequently used health behavior theories, the author breaks each theory into concepts and constructs to enhance comprehension and encourage students to discover how these theories can be put into practice. The Third Edition offers: * A new annotated bibliography in chapters 2-8 of articles demonstrating the practical application of the chapter theory. * New Theory in Action articles, class activities, and activity questions in chapters 2-8 * Updated material and data through each chapter * Updated instructor ancillary materials including PowerPoint lecture slides and Test Bank.