<I>Motivating People to Be Physically Active, Third Edition,</I> is a comprehensive guide to methods that are proven to help people reduce sedentary behavior and incorporate physical activity as a regular part of their everyday lives. Research, theories, and concepts of behavioral science are clearly translated into a practical handbook for health and fitness professionals who work in planning, developing, implementing, or evaluating physical activity programs.<BR/><BR/> Updated with recent physical activity prevalence data and intervention studies, the text will help readers will understand the research on physical activity behavior and gain perspective on the importance of theory-based interventions for the promotion of a physically active lifestyle. Public health recommendations are presented with updated guidance from <I>Physical Activity Guidelines for Americans</I>, and new content emphasizes socioecological factors and mediators of behavior change, along with examples of inclu