Health Education & Behavior, Vol. 36, No. 5 (October 2009), pp. 829-845 (17 pages) This review critically examines Transtheoretical Model (TTM)-based interventions for physical activity (PA) behavior ...

Theory-based intervention programmes to support health-related behaviour change aim to increase health impact and improve understanding of mechanisms of behaviour change. However, the science of ...

Many interventions help people change their behavior, but only for a short time. A new model explains how we can design better interventions that create lasting behavioral impact.