Psychological correlates
Psychological correlates of physical activity have been studied quite extensively and form the basis for much of this section of the book. There are two main types of studies: those using descriptive approaches whereby psychological variables are assessed alongside physical activity (Chapter 2), and those that use a theoretical model (Chapters 3–6). The latter enable us to build knowledge and understanding of how and why people might be motivated or not (‘amotivated’) to adopt and/or maintain a physically active lifestyle. Descriptive studies can be helpful in developing more explanatory research designs.