[Retracted] Exploring the Application of Online Teaching Platform in the PBL Teaching Mode of Film and Television Courses for Teacher Trainees

Table 16

Statistical data before and after the experimental class — the control class’s learning interest.

					Variance homogeneity test
		Class	N	Average	F	Sig
Learning interest	Pre-test	Control class	48	4.0573	2.525	0.115
	Posttest (eliminate the influence of pretest)	Control class	48	3.921	0.024	0.818
			50	4.140