JOHNSON is a fan of the Freakonomics books and columns. But this week’s podcast makes me wonder if the team of Stephen Dubner and Steven Levitt aren’t overstretching themselves a bit. “Is learning a foreign language really worth it?”, asks the headline. A reader writes:

My oldest daughter is a college freshman, and not only have I paid for her to study Spanish for the last four or more years — they even do it in grade school now! — but her college is requiring her to study EVEN MORE! What on earth is going on? How did it ever get this far? … Or to put it in economics terms, where is the ROI?

To sum up the podcast’s answers, there are pros and cons to language-learning. The pros are that working in a foreign language can make people make better decisions (research Johnson covered here) and that bilingualism helps with executive function in…Continue reading

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