2Glass G V. Primary, secondary, and meta-analysis of research [J]. Edu Res,1976, (5) :3-8.
3Means B,Toyama Y, Murphy R, et al. Evaluation of Evidence- Based Practices in Online Learning: A Meta-Analysis and Review of Online Learning Studies[R]. U. S. Department of Education Office of Planning, Evaluation, and Policy Development Policy and Program Studies Service,2009:9-11.
4W Schramm. Process and effects of mass communication[Z], 19. (1954).
5Driscoll M. Blended learning: Let's get beyond the hype. Learning and Training Innovations[Z]. (2002).
6Josh Bersin, Blended learning: what works? [DB/OL]www. bersin, com. (2003).
