[Retracted] Construction of Bilingual Teaching Mode Based on Digital Twinning Technology

Table 1

Comparison of average score and standard deviation between pretest and posttest.

	Grouping	N	Mean	Mean-difference	Std. deviation
All students	Pretest	201	1.9478	0.1136	0.2192
	Posttest	203	2.0611		0.1384
All boys	Pretest	57	2.0355	0.0238	0.2485
	Posttest	55	2.0582		0.1935
All girls	Pretest	144	1.9138	0.1496	0.1987
	Posttest	148	2.0649		0.1124