Videos

• Searching the Biomedical Literature for Evidence-Based Information: Parts I-IV
  A series of four short videos available as part of Boston University's EBM/EBD tutorials.
   

Articles

• Windish, D. (2013). Searching for the right evidence: how to answer your clinical questions using the 6S hierarchy. Evidence-Based Medicine, 18(3). pp. 93-97. http://dx.doi.org/10.1136/eb-2012-100995
   
• DiCenso, A., Bayley, L., & Haynes, R. B. (2009). Accessing pre-appraised evidence: Fine-tuning the 5S model into a 6S model. Evidence-Based Nursing, 12(4), 99. http://dx.doi.org.ezproxy.csu.edu.au/10.1136/ebn.12.4.99-b
   
•  Alper, B. S., & Haynes, R. B. (2016). EBHC pyramid 5.0 for accessing pre-appraised evidence and guidance. Evidence-Based Medicine, 21(4), 123-125. https://dx.doi.org/10.1136/ebmed-2016-110447
   
• Murad, M. H., Asi, N., Alsawas, M. & Alahdab, F. (2016). New evidence pyramid. Evidence-Based Practice, 21(4), 125-127. http://dx.doi.org/10.1136/ebmed-2016-110401

Tutorial

• Evidence-Based Practice tutorial
  In this interactive tutorial, Module 1: Intro to EBP  has a section on Type of Study: Hierarchy of Evidence (Duke University Medical Center Library and UNC Health Sciences Library).