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Confidence Intervals – CASP

The p-value gives no direct indication of how large or important the estimated effect size is. So, confidence intervals are often preferred.

| 0 Comments | Evaluated

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.

| 0 Comments | Evaluated

DRUG TOO

James McCormick with another parody/spoof of the Cee Lo Green song ‘Forget You’ to prompt scepticism about many drug treatments.

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P Values – CASP

Statistical significance is usually assessed by appeal to a p-value, a probability, which can take any value between 0 and 1 (certain).

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Common Sources of Bias

Bias (the conscious or unconscious influencing of a study and its results) can occur in different ways and renders studies less dependable.

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CEBM – Study Designs

A short article explaining the relative strengths and weaknesses of different types of study design for assessing treatment effects.

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Mega-trials

In this 5 min audio resource, Neeraj Bhala discusses systematic reviews and the impact of mega-trials.

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