● I have experienced Walden library as a great resource on my literature research journey. Walden’s online library has many relevant information specific to nursing and nursing practice. The scholarly articles are current and dated and the data are validated when compared with other publications. At the base of the Evidence Hierarchy Pyramid(EHP) is Background/Expert Opinions,(Used Foley Library) the least dependable evidence. This evidence comes from individual’s opinions, ideas and experiences. They are found in editorials, giving the thoughts and perspectives of editors. I searched Case-controlled studies,(Used CINAHL and Walden Library) one specific study, which can be a combination of both qualitative and quantitative data, and information collected and used could be found on the premise of bias. Cohort Studies is This study source was downloaded by 100000895169328 from CourseHero.com on 01-12-2025 22:24:31 GMT -06:00 https://www.coursehero.com/file/217100273/Week-8-Discussiondocx/ usually an observational study after participants have been exposed to risk factors. Randomized Controlled trials (used CINAHL and Walden) are believed to provide the best evidence because randomly picked and grouped with each group given different interventions. The evidence from these studies are conclusive regarding which intervention is most effective. Then there are Critically-Appraised articles(Used Evidence-Based Nursing) and Critically -Appraised Topics, ( Used Annual Review)wherein both, the author, an expert in this area critiq