Online and Offline Mixed Teaching Mode Based on Multimedia Computer-Aided Music Lessons during the Epidemic

Table 3

The operating standard of the group experiment.

Class	Test subject	Pre-experimental state	Experimental factor	Experimental operation	Post-test status	Experimental results
Experimental class	A1	B1	C1	B1Q1	B1′	D1 = B1′-B1
Control class	A2	B2	C2	B2Q2	B2′	D2 = D1′-D1
Condition	A1 = A2		C1C2
	Result	C = C1–C2