Hole Diameter (inch)

Group

N

M

SD

T

pro

1.156

Healthy

39

0.00

0.00

0.98

0.327

Deaf

40

0.03

0.16

1.125

Healthy

39

0.00

0.00

1.34

0.183

Deaf

40

0.18

0.81

0.5

Healthy

39

0.03

0.16

1.63

0.107

Deaf

40

0.18

0.55

0.312

Healthy

39

0.05

0.22

2.78

0.007*

Deaf

40

0.80

1.67

0.187

Healthy

39

0.28

0.86

3.77

0.000*

Deaf

40

2.48

3.53

0.109

Healthy

39

1.77

2.52

3.67

0.000*

Deaf

40

6.35

7.38

0.093

Healthy

39

7.51

5.93

0.40

0.688

Deaf

40

8.25

9.78

0.078

Healthy

39

20.03

9.64

2.26

0.026*

Deaf

40

14.85

10.59

0.0625

Healthy

39

40.85

13.01

6.35

0.000*

Deaf

40

22.35

12.87