Author: Geoff Cumming

The Shape of a Confidence Interval: Cat’s Eye or Plausibility Picture, and What About Cliff?

In brief: Curves picture how likelihood varies across and beyond a CI. Which is better: One curve (plausibility picture) or two (cat’s eye)? Which should we use in ITNS2? Curves can discourage dichotomous decision making based on a belief that

The ASA and p Values: Here We Go Again

The above announcement is from the February ASA (American Statistical Association) newsletter. (See p. 7 for the announcement and the list of 15 members of the Task Force.) Why won’t statistical significance simply whither and die, taking p<.05 and maybe

Not so Difficult? This Parrot ‘Gets’ Statistical Inference

If you have tramped or climbed in New Zealand’s high country, as I did for a couple of months many moons ago, you’ve probably spent hours watching kea exploring or ‘playing’. Kea are large parrots with wicked-looking beaks that are

What Psychology Teachers Should Know About Open Science and the New Statistics

Bob recently tweeted about this great paper of his, with Beth Morling: Morling, B., & Calin-Jageman, R. J., (2020). What Psychology Teachers Should Know About Open Science and the New Statistics. Teaching of Psychology, 47 (2), 169-179. doi: 10.1177/0098628320901372 First, here’s

A Tribute to Wayne Velicer

Wayne Velicer was a giant among quantitative psychologists and health researchers, among other groups. I was very fortunate to be able to call him a colleague and good friend. Sadly, he died too young, in October 2017. The journal Multivariate

Teaching in the New Era of Psychological Science

A great collection of articles in the latest issue of PLAT. Contents page here. At that page, click to see the abstract of any article. A big shout out to the wonderful editorial team that assembled this special issue: Susan

Bushfires and Open Science: A View From Australia

Our Family Summer in a Time of Fires We’re just back home after a couple of weeks at the big old family beach house. We had one stinking hot day, 40+ degrees, but, strangely, other days were cool to cold,

Banishing “Black/White Thinking”

eNeuro publishes some teaching guidance You may recall that eNeuro published a great editorial and a supporting paper by Bob and me–mainly Bob. Info is here. It has now published a lovely article giving teaching advice about ways to undermine

Farewell and Thanks Steve Lindsay

Psychological Science, the journal, has for years pushed hard for publication of better, more trustworthy research. First there was the leadership of Eric Eich, then Steve Lindsay energetically took the baton. Steve is about to finish, no doubt to his

NeuRA Ahead of the Open Science Curve

I had great fun yesterday visiting NeuRA (Neuroscience Research Australia), a large research institute in Sydney. I was hosted by Simon Gandevia, Deputy Director, who has been a long-time proponent of Open Science and The New Statistics. Neura’s Research Quality

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