Here is my video blog on the relative advantage of using multimedia and hypermedia in the classroom.
These are the resources I mention:
Roblyer, M.D, & Doering, A.H. (2012). Integrating educational technology into teaching (6th Edition). Upper Saddle River, NJ: Pearson Education, Inc.
Griffin, L. (n.d.). Using video in the classroom. Video Library Company. Retrieved from: http://www.libraryvideo.com/articles/article13.asp.