## The Diamond Ratio (DR), Our Estimate of Heterogeneity: Now Published Online

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: Accepted for Publication

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 …

## Teaching Statistics: Great Talks and Resources Now Online

This conference (as in pic below) was planned as a gathering of, maybe, 30 folks. But then it had to go online and the organisers (Kevin Peters and Fegal O’Hagan, of Trent University, and Rob Cribbie, of York University) found …

## jamovi—and esci—Just Keep Powering Ahead

Two beautiful numbers: 55,000 – the approx. number of times jamovi was downloaded in March 2,500 – the approx. number of times esci was added to jamovi in March Each of these is about double the number for three months …

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

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 …

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

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, …

## Gordon Does It Again: See the Correlations Dance

Here comes one more goodie from Gordon Moore: dance r. This follows his wonderful dances, introduced here, and three other goodies introduced here. Have a play with dance r, the latest component in esci web. Please tell us what you think. As you may …

## Goodies from Gordon: ‘distributions’, ‘d picture’, ‘correlation’–all part of ‘esci web’

I’m delighted to say we’re releasing three new goodies from Gordon Moore: distributions, d picture, and correlation. These follow his wonderful dances introduced here. As I explained, ITNS2 will be accompanied by Bob’s data analysis software, esci, in R, and Gordon’s web-based …

## A Confidence Interval for the Diamond Ratio: Estimation of Heterogeneity in Meta-Analysis

A while back I posted (here) about the Diamond Ratio (DR), which is our simple visual indicator of the extent of heterogeneity in meta-analysis. (See ITNS, Chapter 9 for more on the DR.) I reported that Max Cairns, a PhD …

## Gordon’s ‘dances’: Vivid Simulations Bring Statistical Ideas Alive

Bob and I are delighted to welcome Gordon Moore who joins us in working on the second edition of ITNS. Gordon, an independent tutor in computing, statistics and mathematics, is based in England, so our ITNS2 team of three now …