Alan Pickering

Emeritus Professor of Psychology at Goldsmiths, University of London. Also: keen angler; ageing cricketer; happy hiker; newbie guitarist. Surrey, UK and Deux-Sevres, France.

Alan PickeringAlanDP61
2024-05-10

@dennyborsboom "The sum score is not just a poor man’s test score but provides a defensible ordinal approximation of the latent variable under surprisingly general conditions."
On classical test theory CTT

"the crucial insight is that CTT can operate in the absence of
assumptions regarding the test’s dimensionality or factorial composition"

"What CTT did right, however, is provide a solid theoretical framework for determining the
degree to which test scores are influenced by random error. "

Alan PickeringAlanDP61
2024-05-10

An excellent, readable & important psychometrics paper (not a combination of words that I have often used or seen elsewhere). Sijtsma, K., Ellis, J. L., & Borsboom, D. (2024). doi.org/10.1007/s11336-024-099
@dennyborsboom
Highly quotable too.
"<Sum scores> may have been intuitive at the start of psychometrics more than a century ago but ... it proved a highly fortunate hunch that has been substantiated through a century of psychometric theory formation. "

Alan PickeringAlanDP61
2024-03-22

JEP:General has accepted our paper on a possible neural basis for the feeling of agency. Great to work with Greg Ashby again plus new co-authors Heidi Zetzer and Collie Conoley. Accepted version available here
osf.io/preprints/psyarxiv/rtmfv

Alan Pickering boosted:
Daniel Lakenslakens
2024-01-13

Should statistical procedures used in science be evaluated on a statistical level or on the level of the scientific system? In my blog, I argue for a greater role of philosophy of science in evaluating claim-making based on a cut-off (e.g., 0.05). daniellakens.blogspot.com/2024

Alan PickeringAlanDP61
2023-11-03

here's a title page screen shot

Alan PickeringAlanDP61
2023-11-03

Final paper from Dimitra Kale's PhD has just appeared. It was a pleasure to co-supervise Dimitra's PhD. The paper is on links betwen e-cigaratee use, smoking status at follow-up and the role of impulsive personality traits. It's open access. tandfonline.com/doi/full/10.10

Alan PickeringAlanDP61
2023-10-26

the paper details

A screenshot of the title page of the paper on creativity
Alan PickeringAlanDP61
2023-10-26

A contribution on modelling creativity with James Lloyd-Cox, Roger Beaty and Joydeep Bhattacharya x.com/roger_beaty/status/17171

Alan Pickering boosted:
Dorothy Bishopdeevybee
2023-07-05

a recommendation for a big fat book to take on holiday: Demon Copperhead by Barbara Kingsolver - an immersive experience.
Particularly good if you know David Copperfield.
Best novel I’ve read this year - see here for background theguardian.com/books/2023/jun

Alan PickeringAlanDP61
2023-05-30

For an update on my 2023 fishing and reading challenge see here: samplingdistribution.blogspot. with short reviews of books by
@FryRsquared (bird site)
@RussInCheshire and author Craig Johnson

Alan Pickering boosted:
Chris Chamberschrisdc77@scicomm.xyz
2023-05-14

Our editorial walkout at NeuroImage immortalised by @dglaucomflecken is the absolute icing on the cake 🤌😙

youtube.com/watch?v=hoUGiS1LeK

Alan Pickering boosted:
2023-05-08

#TheWeekInTory is back. Sorry for the long break, I've been very busy working on a new book.

threadreaderapp.com/thread/165

Alan PickeringAlanDP61
2023-05-08

Now I read the small print more carefully it is still funny but reasonably self-explanatory

Alan PickeringAlanDP61
2023-05-08

This is very clever h/t Caspar Addyman on the other site (@czzpr) for explaining it smbc-comics.com/comic/p-3

Alan PickeringAlanDP61
2023-05-01

@deevybee happy to help too. There are lots of things that are trivial in Matlab that are burdensome in R. Each language of course has its strengths and weaknesses. Matlab online queries aren’t something I’ve posted a lot of ‘cos I can usually find the answer by googling; so I can’t say if there is more passive aggression. Matlab users can feel a bit embarrassed about using proprietary software; so maybe they can be a bit defensive?

Alan Pickering boosted:
Prof. Sam Lawlersundogplanets
2023-04-18

Once again, I'm reminded of how much the billionaire space race has absolutely destroyed my love of rockets.

10 years ago, I definitely would have been paying close attention to the current giant SpaceX launch. But because I know it's going to be used to launch hundreds of unregulated, unsafe, polluting, for-profit Starlink satellites at once, I just can't look.

Instead of being excited and awestruck by a new gigantic rocket launch, it just makes me want to puke.

Alan PickeringAlanDP61
2023-04-15

@david_colquhoun @lakens and if you want an object lesson in how important it is to think sensibly about priors you can read my recent blog samplingdistribution.blogspot. where I explain (and correct) the poor choice of prior I had made in an earlier blog. It was only a toy model for illustration but the point still holds.

Alan Pickering boosted:
Daniel Lakenslakens
2023-04-14

New blog post: Preventing common misconceptions about Bayes factors: daniellakens.blogspot.com/2023

If I missed any important misconceptions, or if I made any mistakes, do let me know!

Alan PickeringAlanDP61
2023-04-13

Mea culpa. My last blog post contains a toy model for inference that was a bit pants. It has been bugging me so much I have tried to fix it while I’ve been on holiday in Japan. The new toy model is much better. You can read about the update here samplingdistribution.blogspot.

Alan PickeringAlanDP61
2023-04-11

Another of Jane’s pics from our trip. This time of castle and moat.

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