Our open access article just released at https://doi.org/10.1002/ijop.13132: Highlights Abstract We argue that researchers should test less, estimate more, and adopt Open Science practices. We outline some of the flaws of null hypothesis significance testing and take three approaches to …

Estimation, Open Science, and Bob’s Wonderful New esci Read more »

Yesterday I greatly enjoyed a zoom talk with the Open Science Community of Turku, Finland. Online were good folks from Finland, The Netherlands and I don’t know where else. Great questions at the end! My slides and 3 data files …

The Latest on esci: Geoff’s Talk to Turku Read more »

I recently posted about our DR article being accepted by BJMSP. It has now been published online, here. It’s behind a paywall, but here is the full pdf that we are allowed to share; it has only a few limitations, …

The Diamond Ratio (DR), Our Estimate of Heterogeneity: Now Published Online Read more »

I’m excited to report that Max Cairns’s PhD work on the Diamond Ratio (DR) has been accepted for publication by the British Journal of Mathematical and Statistical Psychology. The preprint of the final accepted version is here. The Original DR …

The Diamond Ratio (DR), Our Estimate of Heterogeneity: Accepted for Publication Read more »

I’ve just read a great series of papers by Denis Cousineau and Jean-Christophe Goulet-Pelletier. They propose a new way to calculate a CI on Cohen’s d in the paired design (e.g., a pre-post study). It’s an approximation, but they show …

Cohen’s d for the Paired Design: A Better Way to Find the Confidence Interval Read more »

We’re delighted to release precision for planning (PfP), the sixth component of esci web. This completes esci web as currently planned. To access, click esci web and then the precision for planning button. Please let’s know how you like it, …

What N Will Give Me the Precision I Want? Gordon’s New Pictures Tell All Read more »