The Department of Family Practice at Michigan State University presents a web-based course about the evidence-based approach to clinical practice and the management of literature.

A tutorial on basic concepts, including a guide to searching literature and databases. From Thomas Jefferson University, Philadelphia, USA.

The Medical University of South Carolina, USA, presents definitions, worksheets and case histories to illustrate and practice the principles.

The University of Virginia School of Medicine presents a guide to using web-based medical search engines, with links to the major resources.

A self-paced tutorial on the principles and processes, designed for healthcare practitioners and students. From the Duke University Medical Center, Durham, USA.

Describes how to estimate a treatment's effectiveness and explains the concepts of risk reduction, and number needed to treat. From the Canadian Medical Association Journal. [English and French]

Explains the use of confidence intervals in testing hypotheses. From the Canadian Medical Association Journal. [English and French]

The American University of Beirut presents a tutorial covering principles, resources, and the critical appraisal process.

Provides tutorials and explanations of the principles of critical appraisal, using systematic reviews, meta-analysis, and clinical practice guidelines. From the Faculty of Medicine at McGill University in Montreal, Canada.

Features tutorials on practising and teaching this method of critical appraisal, with glossary of terms and self-evaluation questionnaire. Form the Department of Medicine at Toronto General Hospital, Canada.