Choose a simple search term(s) relating to a topic of your PICOT question. Review the information on the evidence hierarchy discussed in Chapter 2 of the course text, in the article, Facilitating Access to Pre-Processed Research Evidence in Public Health, and in the multimedia presentation Hierarchy of Evidence Pyramid, found in this weeks Learning Resources. Review the information on the Walden Librarys website, Levels of evidence. Take a few minutes to explore the different types of databases available for each level of evidence and focus on the meaning of filtered and non-filtered resources. Conduct a literature search in the Walden Library on your selected topic using the databases that you reviewed. Use at least one database for each of the three levels of...