Research in Distance Learning

No Significant Difference Phenomenon
(http://www.nosignificantdifference.org/)
Reports which evidence the equivalence in learning outcomes of traditional and distance learning

The Application and Implications of Information Technologies in Postsecondary Distance Education: An Initial Bibliography (http://www.nsf.gov/sbe/srs/nsf03305/secta.htm)
Bibliography published by the National Science Foundation