On a naive reading, Figure 3.2 says the average education major would make 75% more money by switching to engineering. But the average education major’s SAT scores, high school GPA, and math preparation say otherwise. How much extra would the average education major who switched really earn? Estimates from ten separate papers range from +25% to +60%, with an average of +44%. These corrected figures are actually optimistic, because they take the education major’s ability to complete the engineering curriculum for granted. In practice, even eager engineering students frequently flee to easier
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