Evidence

The term evidence is used frequently in clinical practice and in research. Evidence is most commonly thought of as the proof that supports a claim or belief. In healthcare for example, this could be the effectiveness of an intervention.

It can be confusing when there are different levels and sources of evidence. There are resources here that can help to explain the types and levels of evidence.

Free Full Text Articles

Turner T, Misso M, Harris C, Green S. Development of evidence-based clinical practice guidelines (CPGs): comparing approaches. Implement Sci. 2008 Oct 27;3:45.

Websites

From CQ University (QLD): Levels of evidence
From Edith Cowan University (WA): Levels of evidence
From CIAP eLearning (NSW): Types of evidence
From the University of Sydney (NSW): Evaluating your evidence
From the Himmelfarb Health Sciences Library (US): Study Design 101 – Randomized Control Trials (2011)

Guidelines / Documents / Factsheets

From the University of York (UK): Systematic Reviews (2009)
From the National Health and Medical Research Council (NHMRC):
- A guide to the development, implementation and evaluation of clinical practice guidelines (2009)
- Information for guideline developers (2011)

Finding and Using Evidence

What is Evidence?

Last updated 01 February 2019