Paper: VITAL at the American Educational Research Association

Preston, Michael D., Herbert P. Ginsburg, Susan Jang, Janet G. Eisenbrand, Frank Moretti, Peter Sommer. "Video Interactions for Teaching and Learning (VITAL): A Learning Environment for Courses in Early Childhood Mathematics Education," Paper presented at American Educational Research Association, Montreal, Canada, April 14, 2005.
  VITAL: Early Childhood Mathematics Education at AERA PDF, 550 KB