Center For College Affordability And Productivity
out with a report looking at labor trends at colleges. The years they looked at are from 1987-2007.
They show that support staff over that time period had the biggest growth in full time workers while being second place in part time workers.
Instructors on the other hand were second place in full time workers, but had a super massive lead in part time workers.
This report certainly confirms a trend towards more part time instructors which I say is bad for college education as a whole.