'Students in online conditions performed modestly better, on average than those learning the same material through traditional face-to-face instruction” (p. xiv) and, notably, instruction combining online and face-to-face elements had a larger advantage relative to purely face-to-face instruction than did purely online instruction.'
Greater than 95 percent of students enrolled in the blended course section earned course grades of C- or higher, compared with 82 percent of the large lecture sections and 81 percent in the online sections.