3Anderson,E. Retention for Rookies[A].San Diego,California,USA,2006.
4Bynner,J. HEFCE Report 01/46 - The wider benefits of higher education[OL].http://www.hefce.ac.uk/pubs/hefce/2001/01_46.htm accessed 11/11/2011,2001.
5Case,P,Elliot,B. Attrition and Retention in distance learning programs,problems strategies,problems and solutions[J].Open Praxis,1997.30-33.
6Chyung,S.Y. Systematic and systemic approaches to reducing attrition rates in online higher education[J].American Joumal of Distance Education,2001,(03):36-49.
7Dweck,C.S. Self-Theories: Their Role in Motivation,Personality,and Development[M].Philadelphia:Taylor & Francis,1999.
8Gibbs,G. Watched Clocks and Scholarly Toil[N].Times Higher Education,2013.
9Huett,J,Kalinowski,K,Moller,L,Huett,K. Improving the Motivation and Retention of Online Students Through the Use of ARCS-Based E-Mails[J].American Joumal of Distance Education,2008,(03):159-176.
10Impelluso,T. Assessing Cognitive Load Theory to improve Student Leaming for Mechanical Engineers[J].American Joumal of Distance Education,2009,(04):179-193.
