متن اصلی - انگلیسی - results from this study are very encouraging in...

results from this study are very encouraging in light of the interest of educational institutions to offer more courses that use DE methods. Hypotheses 1,3 and 4b received strong support; hypothesis 4a was partially supported. Lack of support for hypothesis 2 may, however, bode well for administrators whose goals include developing more courses offered through DE.