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date: 17 January 2020

Abstract and Keywords

Health-focused interventions can prevent the devastating effects of many illnesses by encouraging changes in behavior. Interventions that recognize the multiple influences on behavior will have the greatest likelihood of success, but increased sensitivity to their costs, convenience, and reach has led to innovative new treatments, for example internet programs for post-traumatic stress disorder or smoking cessation. Nonetheless, although the landscape in which interventions can be delivered has changed, attention to principles of design and methodology remain the same. This chapter describes proven scientific methods in designing and evaluating interventions, and illustrates how understanding the causes of illnesses and health, and using theoretically driven and multilevel approaches to develop interventions, can save lives by promoting health and preventing illness.

Keywords: Interventions, mental health, physical health, methods, research design, theory

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