Table 1.

BL course characteristics (n = 20)

	Undergraduate	Graduate
Education level	13	7
BL environment	5 TBL, 2 BOL, 6 BSL	5 TBL, 2 BOL
Number of students	45–130 TBL, 25–100 BOL, 50–300 BSL	20–50 TBL, 7–15 BOL

TBL traditional blended learning, BOL blended online learning, BSL blended synchronous learning