This article from The Washington Post summarizes research published in the Journal of the American Medical Association . Both are simple, short articles that show how you can use regression to make an argument. Here, the authors use regression to demonstrate the paucity of funding and publications for research studying gun-related deaths. A regression line was generated to predict how much money was spent studying common causes of death in the US. Visually, we can see that deaths by firearms aren't receiving funding proportional to the number of deaths they cause. See the graph below. How to use in class: 1) How is funding meted out by our government to better understand the problems that plague our country? Well, it isn't being given to researchers studying gun violence because of the Dickey Amendment . I grew up in a very hunting friendly/gun-friendly part of Pennsylvania. I've been to the shooting range. And it upsets me that we can't better understand and stu...