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2 pages/≈550 words
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APA
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Health, Medicine, Nursing
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English (U.S.)
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Topic:

Quantitative Research Designs

Essay Instructions:

In order to find the best information on a topic, not only should you develop a question and search for resources, but you should also know how to analyze the value of the resources that you identify. There are different ways to evaluate resources, such as using the hierarchy of evidence, which you explored in Week 4 of this course. Another way to evaluate resources is to consider the appropriateness of the research design. Understanding how research designs contribute to the quality of a study is essential for being able to analyze resources when conducting a literature review or locating evidence for practice.
In this Discussion, you consider the different research designs and evaluate how these designs have been used to research a specific topic. You also consider strategies for selecting an appropriate research design.
Select a topic from the list below and search the Walden Library to find two different quantitative research studies addressing that issue:
Caregiver stress
Anxiety in children
Sleep apnea
Depression in college freshmen
Rural health care issues
Post-traumatic stress syndrome
Traumatic brain injury in veterans
Health effects of environmental contaminants
Bipolar disorder
End-of-life ethical issues
Alternative medicine
For each of the sources that you select, identify the type of quantitative research design used, and evaluate whether it is the most appropriate approach to the research.
Consider the ramifications of choosing an inappropriate design for a research study.
reference the two sources you identified, and the quantitative research design used in each. 
Critique the appropriateness of the design used and justify your comments with information from the Learning Resources. Discuss the ramifications of choosing an inappropriate design for a research study.

Essay Sample Content Preview:

Quantitative Research Designs
Name
Course
Instructor
Date
Articles
Kendzerska, T., Gershon, A. S., Hawker, G., Leung, R. S., & Tomlinson, G. (2014). Obstructive Sleep Apnea and Risk of Cardiovascular Events and All-Cause Mortality: A Decade-Long Historical Cohort Study. Plos Medicine, 11(2), 1-15. doi:10.1371/journal.pmed.1001599
Yaggi, H. K., Concato, John,M.D., M.P.H., Kernan, W. N., M.D., Lichtman, Judith H,PhD., M.P.H., Brass, L. M., M.D., & Mohsenin, V., M.D. (2005). Obstructive sleep apnea as a risk factor for stroke and death. The New England Journal of Medicine, 353(19), 2034-41.
Quantitative Research Designs on sleep apnea
Sleep apnea is a disorder that affects people’s breathing during sleep because of irregular pauses. According to Parish & Somers (2004), the condition is associated with fatigue and sleepiness during daytime. At the same time, people with OSA are also at risk of developing hypertension and possibly stoke. As such, researchers focus on the association between OSA stroke and cardio vascular conditions. Equally, obese people with moderate to severe obstructive sleep apnea are at a higher risk of cardiovascular conditions because of obstruction in the continuous airway pressure. As such, the research designs in studies on sleep apnea need to take into account the strengths and weaknesses of the observational studies, while also focusing on baseline characteristics when collecting data (Pack, 2011).
Kendzerska et al (2014), utilized a historical cohort study design relying on clinical data from the provincial health administrative data and clinical sleep database in Canada The study focused on establishing whether there is a relationship between obstructive sleep apnea and the occurrence of cardiovascular events (CV). The study design was appropriate as there is a need to utilize data from various time periods to understand whether there is a prevailing trend between OSA and heart related problems. As such, the authors further relied on regression models to assess the relationship to identify whether the variables were associated taking into account the OSA risk factors and outcome after controlling for such variables.
Since there was a need to establish the prevalence and incidence of CV events for patients with OSA, the s...
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