Finding and evaluating evidence

Finding and evaluating evidence

Learn how to search and evaluate evidence through a process known as critical appraisal to determine its value and applicability to your clinical practice.

Published: 25 October 2022

This was published when the organisation was the Royal Pharmaceutical Society.


Healthcare professionals should be up to date with the latest research and developments.

Being able to identify and critically evaluate research is a central component of evidence-based practice. All research projects should include a review of the current evidence before development of the research protocol.

Sections in this guide

  • What is evidence and why is it important?
  • Types of evidence
  • Sources of evidence
  • How do I determine the quality of evidence?

Member only content

Key points covered in this guide
  • The importance of using evidence to build a case for research.
  • Main types of evidence reviews and different synthesis approaches.
  • Developing a search strategy to identify relevant evidence.
  • Main elements of critical appraisal of evidence.
  • Managing and citing references.