If the possibility of a reform that would reduce the size of the class from 40 to 35 students had been considered, how could it be Expect (based on the estimates you found in previous sections) that the grades in language and mathematics will change? Expectations can be examined by running another regression or by dividing the regression estimates You assessed (in question 5 for s. 2.4) according to the new class size threshold.

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from:

Economics 1152/SUP 135 Professor Raj Chetty and Dr. Gregory Bruich Spring 2019 Department of Economics, Harvard University Empirical Project 2

Do Smaller Classes Improve Test Scores?

Evidence from a Regression Discontinuity Design Posted on Thursday, February 21, 2019 Due at midnight on Thursday, March 7, 2019