Adobe has created a screen reader user's guide for accessing PDF documents with assistive technology. The document was created in collaboration with AFB Consulting, the consulting division of the American Foundation for the Blind. The guide includes:

Dr. Frank Nguyen has a great article on building valid assessments at the Adobe Developer Center.  He points out the dangers of relying on written tests to tell us if learners know hot do do something isntead of asking them to demonstrate that they can do it.  Of course this is made easier by modern LMS' because they tend to make multiple choice tests easier.  To create valid tests he recommends:

The AT&T Foundation, the corporate  philanthropy organization of AT&T Inc. (NYSE:T), and WaylandBaptistUniversityhave announced a $290,000 grant  to support distance learning initiatives.