The emerging field of online/blended learning environments holds great promise for students with a wide variety of challenges. However, the mere fact of a course being all or partly online does not automatically give many students more of a chance of being successful.
In short, the field needs much more attention to furrowing and fertilizing than has yet been afforded it. Students who would have done exemplary work in a traditional classroom setting doing exemplary work in an online/blended setting is no evidence that the online/blended setting holds any special value at all.
Tonight, I have the opportunity to speak with an online class about Universal Design for Learning from the particular perspective of providing flexible, engaging learning environments and experiences in the online/blended learning model.
If I were the sort who could crank out a few thousand words a week, this could be my next book.
I have a google doc of the resources that I am using. It will continually evolve. You are welcome to look, use, and comment.