Scott O. Lilienfeld is a great researcher
Some researchers are just more interesting than others to you than others. So when I find one that has written something very interesting, I attempt to find their other papers…
Age differences in the WISC-IV has a positive Jensen coefficient, maybe
Group differences in cognitive scores have generally been found to be g-loaded, i.e. the differences are larger on the items/subtests that load more strongly on the general factor. This is…
Review: Faking Science (Diederik Stapel)
https://www.goodreads.com/book/show/24298516-faking-science FakingScience-20141214 <-- PDF In general, this book was a fun and quick read. It gets somewhat repetitive with his descriptions of how bad he feels for his actions and…
Review: The Sports Gene (David Epstein)
https://www.goodreads.com/book/show/16171221-the-sports-gene http://gen.lib.rus.ec/book/index.php?md5=51b837f6d7627ac696f3f36b2ca6edbc Incidentally, the Wiki page was very poor, so I had to rewrite that before writing this. Generally, this was an interesting read that taught me a lot. This…
Intelligence, income inequality and prison rates: It’s complicated
There was some talk on Twitter around prison rates and inequality: https://twitter.com/JayMan471/status/553912823215325184 And IQ and inequality: https://twitter.com/KirkegaardEmil/status/553937263953190912 But then what about prison data beyond those given above? I have downloaded…
Review: Race (John Baker)
https://www.goodreads.com/book/show/875481.Race http://gen.lib.rus.ec/book/index.php?md5=5624936a816b96dd3e6a4af6808ee69b I had seen references to this book in a number of places which got me curious. I am somewhat hesitant to read older books since I know much…
Do different intelligence tests measure the same g?
The most direct way to test this is to employ latent variable modeling (SEM/CFA) and correlate the general factors from different IQ batteries. Below I quote the abstracts from all…
Publication bias index by the author: a way to keep scientists honest?
https://twitter.com/KirkegaardEmil/status/551535440831201280 Would this work? Authors can reduce their publication bias measure by publishing new studies that are more honest (with regards to reporting, research practices or not making data up,…
The inconsistency of studies of gender differences in cognitive abilities: due to using different methods?
I read this study: Palejwala, M. H., & Fine, J. G. (2015). Gender differences in latent cognitive abilities in children aged 2 to 7. Intelligence, 48, 96-108. It reminded me…
Reanalysis of Josefsson et al (2014)’s meta-analysis of exercise as treatment for depression
A link on Reddit claimed that exercise could be an effective treatment for depression. I felt it necessary to comment that: Exercise does not have a causal effect on depression…
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