Thanks, Shauna! I've updated the post with a quote from the study. If you are interested the full results can be found here: http://cra.org/govaffairs/blog/wp-content/uploads/2013/03/CRA_Taulbee_CS_Degrees_and_Enrollment_2011-12.pdf
There are also a lot of excellent hacks springing up that focus on helping increase the overall number of contributors to open source projects, including non-profit projects. A great source of these is Code Montage at https://www.codemontage.com/.
Thanks, Shauna! I've updated the post with a quote from the study. If you are interested the full results can be found here: http://cra.org/govaffairs/blog/wp-content/uploads/2013/03/CRA_Taulbee_CS_Degrees_and_Enrollment_2011-12.pdf