[Retracted] Teaching of College English Writing from the Perspective of Multimedia Education

Table 5

Sample -test based on six classes of English writing posttest scores.

Class			Sig. (unilateral)		df	Sig. (bilateral)	Mean difference
Experimental class	A	3.54	0.003	4.23	61.50	0.002	0.500
	B	3.60	0.001	4.23	63.92	0.002	0.439
	C	3.99	0.001	4.23	60.54	0.002	0.449
Control class	D	2.96	0.004	1.96	79.94	0.001	0.363
	E	2.84	0.001	1.96	80.66	0.001	0.267
	F	2.71	0.001	1.96	83.24	0.001	0.295