Melnyk Hierarchy Of Evidence

148 Words1 Page

Melnyk’s Hierarchy of Evidence is a system often use for assigning levels of evidence in nursing by integrates clinical expertise and patient choices with the best available research. It is represented by a pyramid that enumerates the levels of strength of the evidence from 1 to 7, of which level 1 is the higher level. The higher level on the pyramid, the more likelihood that the research is valid; therefore, answering a clinical or practice question. “The systematic review or meta-analysis of randomized controlled trials are at the top of the evidence pyramid and are typically assigned the highest level of evidence, due to the fact that the study design reduces the probability of bias” (Melnyk, 2011). The weakness of the system is that when

Open Document