Jim Grange

Correlations are a popular analysis tool in psychology to examine the extent to which two variables are related. For example, one might be interested in whether there is a relationship between sh...

https://jimgrange.wordpress.com/2017/11/19/bayesian-estimation-of-partial-correlations/

I was asked to write 200-300 words on my views on whether there is a reproducibility crisis in the sciences for an article that was appearing in The Conversation. I was so passionate about what I...

https://jimgrange.wordpress.com/2017/03/16/reproducibility-article-in-the-conversation/

Yesterday I posted the following tweet which has since turned out to be my most popular tweet EVER with hundreds of retweets and “likes” in 24 hours: https://twitter.com/JimGrange/status/8384...

https://jimgrange.wordpress.com/2017/03/06/low-power-effect-sizes/

TL;DR: Trump had a 28% chance to win. We shouldn’t be surprised he won. I’m not going to comment on the political outcome of last week’s US Presidential elections; enough ink—both pen-ink...

https://jimgrange.wordpress.com/2016/11/17/the-polls-werent-wrong/

It’s been a year since the Open Science Collaboration’s publication on “Estimating the Reproducibility of Psychological Science” was published in Science. It has been cited 515 times sinc...

https://jimgrange.wordpress.com/2016/09/29/replication-crisis-what-changes-have-your-department-made/

My wife questioned in passing yesterday whether summer Olympic hosts have a home-field advantage; that is, do the hosts generally win more medals in their hosting year than in their non-hosting ...

https://jimgrange.wordpress.com/2016/08/12/do-olympic-hosts-have-a-home-field-advantage/

I came across an interesting project the other day which is calling for a reconsideration of the use of bar plots (#barbarplots), with the lovely tag-line “Friends don’t let friends make bar...

https://jimgrange.wordpress.com/2016/06/15/solution-to-barbarplots-in-r/

This week I gave an internal seminar at my institution (Keele University, UK) entitled “Ten Recommendations from the Reproducibility Crisis in Psychological Science”. The audience was to be f...

https://jimgrange.wordpress.com/2016/03/18/10-recommendations-from-the-reproducibility-crisis-in-psychological-science/

I’ve been trying to organise an online journal club to discuss the papers suggested in Alexander Etz and colleagues’ paper “How to become a Bayesian in 8 easy steps”. Several people have ...

https://jimgrange.wordpress.com/2016/02/29/bayesian-in-8-easy-steps-journal-club/

When I tell people I am learning Bayesian statistics, I tend to get one of two responses: either people look at me blankly—“What’s Bayesian statistics?”—or I get scorned for using such ...

https://jimgrange.wordpress.com/2016/01/18/pesky-priors/