Some people believe stretching reduces the risk of injury, reduces soreness experienced after exercise, or enhances sporting performance. natalie/Flickr

Health Check: do you need to stretch before and after exercise?

Many people stretch when they exercise or play sport. Others don’t stretch but feel they should. And some people don’t see any reason to stretch at all.
Consumers of research should not be satisfied with statements that “X is effective”, or “Y has an effect”. Gwenae l Piaser

Why hypothesis and significance tests ask the wrong questions

Empirical science needs data. But all data are subject to random variation, and random variation obscures patterns in data. So statistical methods are used to make inferences about the true patterns or…

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