Assignment 4: Hierarchy of evidence
Write a fully developed and detailed APA essay addressing each
of the following points/questions. There is no required word
count; be sure to completely answer all the questions for each
question in detail. Separate each section in your paper with a clear
heading that allows your professor to know which bullet you are
addressing in that section of your paper. Support your ideas with
at least one (1) source using citations in your essay. Make sure to
cite using the APA writing style for the essay. The cover page and
reference page are required. Review the rubric criteria for this
assignment.
Conduct a literature search to select a quantitative research study
related to the problem identified in Module 1 and conduct an
initial critical appraisal. Respond to the overview questions for the
critical appraisal of quantitative studies, including:
Is this quantitative research report a case study, case control
study, cohort study, randomized control trial or systematic review?
Where does the study fall in the hierarchy of evidence in terms of
reliability and risk of bias?
Why was the study done? (Define the problem and purpose.)
Were the steps of the study clearly identified?
What was the sample size?
Are the

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