7 – Taking account of the play of chance
In this Chapter: Introduction (this page) Assessing the role that chance may have played in fair tests What does a […]
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Ebm@school – a curriculum of critical health literacy for secondary school students
A curriculum based on the concept of evidence-based medicine, which consists of six modules.
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Know Your Chances
This book has been shown in two randomized trials to improve peoples' understanding of risk in the context of health care choices.
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McMaster Evidence-Based Clinical Practice Workshop Resources – Therapy module
This is the therapy module resources provided to the attendees at the McMaster Evidence-Based Clinical Practice Workshop.
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McMaster Evidence-Based Clinical Practice Workshop Resources – Systematic review module
The Systematic review module resources provided to the attendees at the McMaster Evidence-Based Clinical Practice Workshop.
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Meta-analysis: Its strengths and limitations
The strengths and limitations of meta-analysis.
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Meta-analysis, collaborative overview, systematic review: what does it all mean?
Mike Clarke’s 9-minute read on meta-analysis, collaborative overview, systematic review.
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Using research evidence: a practice guide
NESTA’s guide to using research evidence to inform decisions in policy and practice.
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Learning from research: systematic reviews for informing policy decisions
The EPPI Centre’s guide to using systematic reviews to inform policy decisions.
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Critical Appraisal of Research Evidence 101
Ontario Public Health Libraries Association guide to critical appraisal of research evidence.
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Understanding Health Research: evidence-based medicine, practice and policy
Evidence-based medicine, practice and policy are terms used to describe making decisions using scientific evidence.
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Understanding Health Research, a tool for making sense of health studies: use of statistics
In health research, researchers typically use statistics to determine statistical significance and effect size.
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Understanding Health Research: how science media stories work
Understanding Health Research, a tool for making sense of health studies: how science media stories work.
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Understanding Health Research: A tool for making sense of health studies
An interactive online tool designed to help anybody to understand scientific health research evidence.
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Reading the Medical literature
American College of Obstetricians and Gynaecologists (ACOG) introduction to critical appraisal and evidence-based medicine.
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Suny Downstate; Systematic Reviews and Meta-analysis
Suny Downstate’s explanation of why it is important to consider all studies addressing a specific question.
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Evidence-Based medicine in Pharmacy Practice
An article by Suzanne Albrecht on Evidence-Based Medicine in Pharmacy Practice.
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Goals and tools in Meta-analysis
Meta-analysis in Michigan State University’s Evidence-Based Medicine Course.
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Evidence for everyday health choices
A 17-min slide cast by Lynda Ware, on the history of EBM, what Cochrane is, and how to understand the real evidence behind the headlines.
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Tom Hanks and Type 2 Diabetes
A 50-minute illustrated talk by James McCormack prompted by Tom Hanks’ announcement that he had been diagnosed with Type 2 diabetes.
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Reporting the findings: Absolute vs relative risk
Absolute Differences between the effects of two treatments matter more to most people than Relative Differences.
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Strictly Cochrane: a quickstep around research and systematic reviews
An interactive resource explaining how systematic and non-systematic reviews differ, and the importance of keeping reviews up to date.
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Teach Yourself Cochrane
Tells the story behind Cochrane and the challenges finding good quality evidence to produce reliable systematic reviews.
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Dodgy academic PR
Ben Goldacre: 58% of all press releases by academic institutions lacked relevant cautions and caveats about the methods and results reported
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Over there! An 8 mile high distraction made of posh chocolate!
Ben Goldcare illustrates strategies used by vested interests to discredit research with ‘inconvenient’ results.
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Brain imaging studies report more positive findings than their numbers can support. This is fishy.
Ben Goldacre explores how twice as many positive findings as could realistically have been expected from the data reported may have occurred
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Introduction to Evidence-Based Medicine
Bill Caley’s 26 slides with notes used as an ‘Introduction to Evidence-Based Medicine’.
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Appraisal of evidence and interpretation of results
A 14-min talk on ‘Appraisal of the Evidence and Interpretation of the Results’, illustrated by 19 slides, with notes.
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A way to teach about systematic reviews
81 slides used by David Nunan (Centre for Evidence-Based Medicine, Oxford) to present ‘A way to teach about systematic reviews’.
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Appraising the evidence
Six key slides produced by the University of Western Australia to introduce critical appraisal.
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Bringing it all together for the benefit of patients and the public
Improving reports of research and up-to-date systematic reviews of reliable studies are essential foundations of effective health care.
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10 Components of effective clinical epidemiology: How to get started
PDF & Podcast of 1-hr talk by Carl Heneghan (Centre for Evidence-Based Medicine, Oxford) on effective clinical epidemiology.
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Life saving maths: How does vaccination work?
Vaccinating a large enough proportion of children means everyone is protected, including those who can't be vaccinated.
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How to work out whether bacon sandwiches are harmful
The headline said there is a 20% greater risk of getting bowel cancer if you eat bacon sandwiches! Are they right?
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Tips for understanding Absolute vs. Relative Risk
Absolute Differences between the effects of two treatments matter more to most people than Relative Differences.
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Applying Systematic Reviews
How useful are the results of trials in a systematic review when it comes to weighing up treatment choices for particular patients?
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What is it with Odds and Risk?
This blog explains odds ratios and relative risks, and provides the formulae for calculating both measures.
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Defining Risk
This blog defines ‘risk’ in relation to health, and discusses some the difficulties in applying estimates of risk to a given individual.
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Department of Epidemiology
Presenting relative measures of treatment effects without presenting absolute measures can be misleading.
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Relative risk, absolute risk and number-needed-to-treat
8 slides and a 4-min commentary on relative risk, absolute risk, and number needed to treat (from Univ Mass Med School).
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Calculating and interpreting absolute and relative change in an unwanted outcome after treatment
Gilbert Welch’s 6-min video explaining how to calculate and interpret absolute and relative change in an unwanted outcome.
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Relative or absolute measures of effects
Dr Chris Cates' article explaining absolute and relative effects of treatment effects.
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Absolute versus relative risk – making sense of media stories
This blog by Sarah Williams should help people who want to understand risk in the context of health and medical stories in the press.
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Viva la Evidence!
A brilliant song and video by James McCormack explaining the basics of evidence-based medicine.
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Don’t be fooled by eye-catching statistics
Let’s say the risk of having a heart attack in your fifties is 50 per cent higher if you have […]
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