Pawel (Pav) Kalinowski and Jerry Lai completed their PhDs a few years back. A recently published Frontiers article (citation below) reports what was primarily Pav’s research on how people understand confidence intervals (CIs). The short version is “for many people, …
The Beautiful Face of a Confidence Interval: The Cat’s Eye Picture Read more »
This is a post about the Diamond Ratio (DR), a simple measure of the extent of heterogeneity in a meta-analysis. We introduced the DR in ITNS. But first, some background. Fixed Effect (FE) model for meta-analysis The diamond at the …
Measuring Heterogeneity in Meta-Analysis: The Diamond Ratio (DR) Read more »
I’ve just listened to a great 20-min podcast, published by The Conversation. The podcast is here. It’s an interview by my colleague Fiona Fidler with Anthony Leigh, about his recently released book: Randomistas: How Radical Researchers Changed Our World. Published …
Randomistas: Dare we hope for evidence-based decisions in public life? Read more »
Here’s a short talk I gave at the 2017 Society for Neuroscience meeting on sample size planning. The talk discusses: Why you should plan your sample sizes in advance What not to do (how some common approaches can lead you …
Last month it was the Antarctic Scientists, this month the Orthodontists, and once again I had a most enjoyable time. Lindsay my wife and I are just back from 5 days in Sydney. I was speaking at the 26th Australian …
The New Statistics emphasizes effect sizes, confidence intervals, meta-analysis, and Open Science. There’s a lot of momentum to adopt this change of focus. For example, the APA recently released new guidelines for reporting quantitative research and throughout it emphasizes reporting …
Why effect sizes? A tutorial (especially for Neuroscientists) Read more »
I’m recently home after 10 days in hospital. It was meant to be a simple procedure, home the next morning, but two low probability complications arose. I was largely out to it for a few days, but then I was …
What Medicine Can Teach Us About Low Probabilities: A Personal Experience Read more »