> It is commonly said that there is more grade inflation in the sciences than in the humanities. This isn't exactly correct. What is true is that both the human

> It is commonly said that there is more grade inflation in the sciences than in the humanities. This isn't exactly correct. What is true is that both the humanities and the sciences have witnessed rising grades since the 1960s, but it appears that the starting points for the rise were different. I am confused by this statement, because the Y axis label on the accompanying chart says the exact opposite: that both the average GPA and the average change in GPA is higher for humanities than for natural sciences.