[Retracted] Digital-Based Analysis of Speech Rehabilitation Data for Preschool-Age Exceptional Children

Table 6

Means and standard deviations of mean language ages of exceptional children with different preoperative Greiffels’ intelligence levels at different assessment points.

Greiffels’ intelligence level grading		Mean language age before operation	First average language age	Second average language age	Third average language age	Fourth average language age	Fifth average language age	Sixth average language age	Seventh average language age
To be excellent	Average value	0.000	0.000	1.201	0.801	2.000	2.602	3.400	3.700
		1	1	1	1	1	1	1	1
	Standard deviation
Excellent	Average value	0.0000	0.400	1.135	1.935	3.068	3.001	3.268	3.535
		4	4	4	4	4	4	4	4
	Standard deviation	0.000	0.2000	0.9453	0.9868	1.1017	0.8213	0.5036	0.4617
Moderately upper	Average value	0.000	0.000	0.268	1.168	1.401	2.069	2.136	2.664
		4	4	4	4	4	4	4	4
	Standard deviation	0.0000	0.0000	0.3056	1.2663	1.2489	1.5145	1.4469	1.8476
Moderate	Average value	0.000	0.219	1.083	1.907	2.554	2.642	2.978	3.243
		21	21	21	21	21	21	21	21
	Standard deviation	0.0000	0.4903	0.5658	0.9135	0.7893	1.1053	38629	0.7978
Moderately low	Average value	0.000	0.122	0.241	0.800	1.358	2.081	2.478	2.800
		5	5	5	5	5	5	5	5
	Standard deviation	0.000	0.1788	0.1639	0.8719	1.1263	0.9123	1.0259	0.6328
Marginal status	Average value	0.000	0.000	0.600	1.202	1.602	1.602	2.202	2.202
		1	1	1	1	1	1	1	1
	Standard deviation
Total	Average value	0.000	0.184	0.855	1.624	2.128	2.493	2.828	3.124
		35	35	35	35	35	35	35	35
	Standard deviation	0.0000	0.3897	0.6278	0.9742	0.9987	1.0481	0.9198	0.8755