Intervention research is used for implementing change, evaluating, and prevention. Public health uses intervention in many different forms but most importantly it is used to change, evaluate and to prevent. According to Shi & Johnson (2014), “EBPH has borrowed the term intervention from clinical disciplines, insinuating specificity and discreteness. However, in public health, we seldom have a single “intervention,” but rather a program that involves a blending of several interventions within a community” (pp. 513).
System research exams the financial, organization and the delivery of public health services. According to Shi & Johnson (2014), “Public health systems