This 2014 Master's Thesis by Randall Boen examines the mastery level of general AT by students with disabilities attending a post-secondary educational institution. 

Link: http://opensiuc.lib.siu.edu/cgi/viewcontent.cgi?article=2445&context=theses

Citation:

Boen, Randall, "Evaluation of General and Specific Assistive Technology Knowledge Among Students with Disabilities in Postsecondary Environments" (2014). Theses. Paper 1431.