A surprisingly simple test to check research papers for errors

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paper (not peer-reviewed yet): https://peerj.com/preprints/2064/

article on the paper in The Economist: http://www.economist.com/news/scien...-test-check-research-papers-errors-come-again

The GRIM test, short for granularity-related inconsistency of means, is a simple way of checking whether the results of small studies of the sort beloved of psychologists (those with fewer than 100 participants) could be correct, even in principle. It has just been posted in PeerJ Preprints by Nicholas Brown of the University Medical Centre Groningen, in the Netherlands, and James Heathers of Poznan University of Medical Sciences, in Poland.

a few further comments by one of the authors, on their blog: https://medium.com/@jamesheathers/t...and-future-directions-afd55ff67bb0#.kxqt3sfg7

 

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More comments posted by James Heathers, one of the authors, on his blog (in plain English):
https://medium.com/@jamesheathers/t...or-evaluating-published-research-9a4e5f05e870

James Coyne has collaborated in the past in writing published articles with the other author, Nick Brown.