Associated Deficit

No N

Yes N

Mann-Whitney U

Wilcoxon W

Z

p-value (2-tailed)

Visual and Hearing Impairments

26

11

121,000

472,000

−0.731

0.465

Speech and Language Disorders

14

23

88,000

364,000

−2.287

0.022

Learning Difficulties

1

36

12,000

678,000

−0.562

0.574

Sensation Disorders

27

10

115,000

170,000

−0.684

0.494

Intellectual Disability

6

31

74,500

570,500

−0.763

0.446

Epilepsy

26

11

120,000

186,000

−0.765

0.444

Psychological-Psychiatric Disorders

24

13

90,000

390,000

−2.101

0.036