research methodology presented in Brownson

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research methodology presented in Brownson 

Brownson, R., Ballew, P., Brown, K., Elliott, M., Haire-Joshu, D., Heath, G., et al. (2007). The effect of disseminating evidence-based interventions that promotes physical activity to Health Departments. American Journal of Public Health, 97(10), 1900-1907.
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This article presents research findings from a study that explored the effects of disseminating evidence-based practices with the goal of promoting physical activity. This article offers a firm example of research reporting in the field of public health. This article will inform the Discussion. research methodology presented in Brownson 

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You have now learned the foundation of both observational research and experimental design methods. Each contributes significantly to the study and practice of public health. To prepare for this week’s Discussion, read The Effect of Disseminating Evidence-Based Interventions That Promote Physical Activity to Health Departments, listed in this week’s Learning Resources. Then, answer the following questions.

  • What are the strengths and weaknesses of the research methodology presented in Brownson et al. (2007)?
  • What value did using a quasi-experimental design add to the research study?
  • How does this impact the validity of the research project?
  • What do you believe is the best strategy for disseminating research results? Support your position research methodology presented in Brownson 

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RESEARCH AND PRACTICE The Effect of Disseminating Evidence-Based Interventions That Promote Physical Activity to Health Departments Ross C. Browtison, PhD, Paula Ballew. MEd, Kathrin L. Brown, BS, Michael B. Elliott, PhD. Debra Haire-Joshu, PhD, Gregory W. Heath, DHSc, MPH. and Matthew W. Kreuter. PhD, MPH Lack of physicaJ activity is closely linked Objectives. We explored the effect of disseminating evidence-based guidelines with the incidence of several chronic di.s- that promote physical activity on US health department organizational practices eases and a lower quality of life.'”^ There is in the United States. now an array of physical activity interven- Methods. We implemented a quasi-experimental design to examine changes tions that have been proven to be effective in the dissemination of suggested guidelines to promote physical activity {The acnass a variety of populations and geo- Guide to Community Preventive Services) in 8 study states; the remaining states graphic settings. For example, the Task and the Virgin Islands served as the comparison group. Guidelines were dis- Force on Community Preventive Services seminated through workshops, ongoing technical assistance, and the distribution has prodticed a set of evidence-based of an instructional CD-ROM. The main evaluation tool was a pre- and postdis- guidelines for promoting physical activity semination survey administered to state and local health department staffs (base- tided Vie Guide to Community Preventive line n= 154; follow-up n = 124). Services: iVhat Works lo Promote Health? Results. After guidelines were disseminated through workshops, knowledge of and skill in 11 intervention-related characteristics increased from baseline to (hereafter Community Guide).^”^ follow-up. Awareness-related characteristics tended to increase more among In the Community Guide, intervention strat- local respondents than among state participants. Intervention adoption and im- egies that show evidence of increased… research methodology presented in Brownson