Author: Geoff Cumming

Effect Sizes for Open Science

For the last 20 years or so, many journals have emphasised the reporting of effect sizes. The new statistics emphasised also the reporting of CIs on those effect sizes. Now Open Science places effect sizes, CIs, and their interpretation centre

APS in San Fran 3: Workshop on Teaching the New Stats

Tamarah Smith and Bob presented a workshop on Teaching the New Stats to an almost sold-out crowd. I wasn’t there, but by all reports it went extremely well. Such a workshop seems to me a terrific way to help interested

APS in San Fran 2: Symposium on Teaching the New Stats

Our symposium was titled Open Science and Its Statistics: What We Need to Teach Now. The room wasn’t large, but it was packed, standing room only. I thought the energy was terrific. There were four presentations, as below. Bob and

APS in San Fran 1: Open Science is Maturing

It was, as ever, a great pleasure to catch up with Bob last weekend. We were in San Francisco for the APS Convention. That convention has been for the last five years or so a hotbed of discussion about Open

Tony Hak 1950-2018: Champion of Better Methods, Better Statistics

It was a shock to receive the very sad news that Tony Hak died last week, unexpectedly. Too young! And only 3 years into an active retirement. Tony was an Emeritus Associate Professor, having retired in 2015 from the Department

Badges, Badges, Badges: Open Science on the March

Here are two screen pics from today’s notice about the latest issue of Psychological Science. Four of the first five articles earned all three badges, including Pre-reg! Gold! (OK, by showing just those five I’m cherry picking, but other articles

ITNS–A New Review on Amazon

The ITNS page on Amazon (U.S.) is here. Scroll down to see the 4 reviews by readers. Recently a five-star review was added by Edoardo Zamuner. Here it is: “I am an experimental psychologist with training in NHST. Cumming’s book

It’s not just Psychology: Questionable Research Practices in Ecology

Today’s fine article from The Conversation is: Our survey found ‘questionable research practices’ by ecologists and biologists – here’s what that means The authors are Fiona Fidler and Hannah Fraser, of The University of Melbourne. Fidler and Fraser surveyed 807

The National Association of Scholars Weighs in on ‘The Irreproducibility Crisis’

STOP PRESS: Since first writing this post I’ve discovered that all may not be as it seems–especially to me at the other end of the Earth. As ever, we need to be vigilant for any dark forces wishing to use

The Beautiful Face of a Confidence Interval: The Cat’s Eye Picture

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,

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