Previous studies suggested that teaching kids chess improved a whole lot of outcomes, from math skills to logic to academic achievement.... except that almost all of these studies were small. A large randomized trial with 4,000 students finds no advantages to learning chess 1/2
The findings are interesting in itself (I don't have to feel guilty about not teaching my kids chess!), but it also has a bigger point: small samples sizes (and the file drawer problem where null results aren't published) result in accidental bias. 2/2 muse-jhu-edu.proxy.library.upenn.edu/article/706374…
Also, playing an instrument also has no effect on cognitive development (though music is nice for its own sake!)
Neither does learning a second language.
But there is one hack that works to increase the intelligence of kids...
On the plus side, being good at chess does make you better at beating people at chess, and that isn’t true for all games. This is an objective ranking of games by whether you win by skill or luck. Chess requires the the most skill, poker is more luck. econstor.eu/bitstream/1041…
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