A Meta-Analysis of Three Types of Interaction Treatments in Distance Education

Bernard, Robert M. ; Abrami, Philip C. ; Borokhovski, Eugene ; Wade, C. Anne ; Tamim, Rana M. ; Surkes, Michael A. ; Bethel, Edward Clement

Review of educational research, 2009-09, Vol.79 (3), p.1243-1289 [Periódico revisado por pares]

Washington: SAGE Publications

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