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 »

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 …

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

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 …

A Confidence Interval for the Diamond Ratio: Estimation of Heterogeneity in Meta-Analysis Read more »

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 …

Gordon’s ‘dances’: Vivid Simulations Bring Statistical Ideas Alive Read more »

I (Bob) love large-scale collaborative projects (Many Labs, Many Babies, Psych Science Accelerator, etc.).  I like the teamwork involved.  I like the careful deliberation over study materials.  I like the large sample sizes and the hopes of investigating how psychological …

Mega Studies Need Inference by Interval (or: Point Nulls are Especially Pointless when N is Large) Read more »

Association for Interdisciplinary Meta-Research & Open Science (AIMOS) I had a fascinating two days down at the University of Melbourne last week for the first AIMOS conference. The program is here and you can click through to see details of …

AIMOS — The New Interdisciplinary Meta-Research and Open Science Association Read more »