Sifting the Evidence: or how the blog got its name.

Posted 22 November 2012 by Suzi Gage

I like statistics. Sometimes they elude me, but that feeling when a concept or technique reveals itself, for me is one of the joys of my studies. Which is a good job, as observational epidemiology isn't light on analyses. The geeky joy of stats was instilled in me by my boss Marcus, forcing his lab group to read papers about statistical techniques, giving us lectures about power calculations and suchlike. Back when I was a newbie, he brought to us... Read more

Dawn of the Replications

Posted 16 September 2012 by Suzi Gage

A worrying wave of misconduct revelations is currently sweeping science (see this excellent article by Alok Jha for an overview, and Neuroskeptic’s 9 circles of scientific hell). Psychology seems to have borne the brunt of these thus far, but it’s unlikely to only be a problem there. A number of great suggestions as to how science can get its house in order and improve the quality of research have been suggested recently, in particular by Chris Chambers and Petroc Sumner,... Read more

Perspective on cannabis dependence and IQ

Posted 29 August 2012 by Suzi Gage

Reports from various news outlets have been discussing a paper published a couple of days ago in PNAS. The paper investigates cannabis dependence, and it’s relation to change in IQ. Media articles have interpreted these findings as ‘cannabis use is harmful to adolescent brains, but not afterwards’. Now, before I go on, I should say that I’m not disputing that this may be the case, but I don’t think this paper provides as strong evidence as is being reported, for... Read more