BeardL. A.HarperC. (2002). Student perceptions of online versus on campus instruction. Education, 122, 658–664.
2.
BeattieJ.SpoonerF.JordanL.AlgozzineB.SpoonerM. (2002). Evaluating instruction in distance learning classes. Teacher Education and Special Education, 25, 124–132.
3.
California State University, Institute for Education Reform. (1996, September). A state of emergency … in a state of emergency teachers. Retrieved January 15, 2002, from the Institute for Education Reform Web site: http://www.csus.edu/ier/emergency.html.
4.
ChesterA.GwynneG. (1998). Online teaching: Encouraging collaboration through anonymity. Journal of Computer-Mediated Communication, 4 (2), 1–10.
5.
GubaE. G.LincolnY. S. (1981). Effective evaluation. San Francisco: Jossey-Bass Publishers.
6.
GunawardenaC. (1995). Social presence theory and implications for interaction and collaborative learning in computer conferences. International Journal of Educational Telecommunications, 1 (2/3), 147–166.
7.
HagieC.HughesM. (2003). A close look at the discussion component in an online special education class. Chulalongkorn Educational Review, 9 (2), 40–51.