Topic 4 DQ 2.docx - Describe the levels of evidence and provide an example of the type of practice change that could result from each Levels of evidence

Topic 4 DQ 2.docx - Describe the levels of evidence and...

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Describe the levels of evidence and provide an example of the type of practice change that could result from each Levels of evidence, also known as the hierarchy of evidence, work as though they were a pyramid. The higher the level of evidence, the smaller the pool of research is to choose from. Researchers are encouraged to utilize the highest level of evidence to support their hypothesis. There are varying types of scales one could use for levels of evidence usually based on the type of question they are asking. The following are the levels of evidence listed from highest to lowest level: Meta-Analysis- A systematic review that uses quantitative methods to summarize results Systematic Review- An article in which the authors have systematically searched for, appraised, and summarized all of the medical literature for specific topic. Critically Appraised Topic- Authors of critically-appraised topics evaluate and synthesize multiple research studies.

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