Levels of Evidence Hierarchy

Levels of Evidence Hierarchy


This assignment must be completed on the template provided.

This assessment requires you to explore the literature to find 2 research articles that are examples of 2 different levels on the levels of evidence hierarchy.


  • Understand the research levels of evidence hierarchy (pyramid)
  • Demonstrate effective data base search strategies
  • Identify studies by level of evidence

include text book as one reference -LoBiondo-Wood, G., & Haber, J. (2018). Nursing research: Methods and critical appraisal for evidence-based practice (9th ed.). St. Louis, MO: Elsevier.

2 research articles. Each must be a different level of evidence on the research hierarchy. references must be no more then 5 year old