- It does so by artificially holding constant every variable except the two he wishes to focus on, and then showing how those two co-vary.p. 163.7
- You might even think to focus your activity toward the end of the test, where the questions tend to be harder than the earlier questions.p. 25.6
- Gunter J. Hirsch, Ali Hortacsu, and Dan Ariely analyzed the data from one of the mainstream dating sites, focusing on more than 20,000 active users, half in Boston and half in San Diego.p. 78.6
There are no more uses of "focus" in Freakonomics.
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