表 5. The comparison results of means with standard deviations of the front-back movement data of tongue in the nasal finals for hearing loss group and control group (n = 10).

两组受试者普通话鼻韵母舌前后运动数据的比较结果（ ）（n = 10）

组别	舌前后运动数据/mm
	a			e			i		极差
	an	ang		en	eng		in	ing
听障学生	5.049 ± 1.743	5.929 ± 3.462		6.098 ± 3.192	3.939 ± 1.639		5.526 ± 3.852	6.502 ± 2.917	2.563 ± 2.213
对照组	9.199 ± 3.172	9.186 ± 3.327		7.197 ± 3.229	8.560 ± 3.923		9.988 ± 4.644	11.348 ± 4.586	4.151 ± 1.472
t 值	3.689	2.246		0.766	3.470		2.420	2.884	—
P 值	0.001	0.036		0.454	0.002		0.025	0.009	—