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Table 2 Contrasted group validity

From: Training second-grade dyslexic students using a computerized program in Asyut, Egypt

Studied reading cognitive skill

Poor achiever (N = 52)

Good achiever (N = 26)

T

P-value

95% CI

Mean ± SD

Mean ± SD

Reading achievement test

18.46 ± 5.65

40.0. ± 0.0

19.37

0.0001

− 23.75: − 19.32

Reading comprehension

55.56 ± 8.39

62.96 ± 6.22

9.89

0.0001

− 22.11: − 14.47

Visual discrimination

21.17 ± 3.60

23.77 ± 0.65

3.64

0.0001

− 4.02: − 1.18

Auditory discrimination

9.38 ± 4.28

17.92 ± 3.32

8.90

0.0001

− 10.45: − 6.63

Phonological awareness

14.63 ± 5.03

24.19 ± 4.24

8.65

0.0001

− 11.09: − 6.95

Visuospatial skills

12.21 ± 4.05

18.08 ± 2.21

6.88

0.0001

− 7.56: − 4.17

Audio-visual correspondence

21.27 ± 4.18

28.77 ± 2.07

8.61

0.0001

9.23: − 5.77

Auditory memory

5.87 ± 2.21

8.12 ± 1.40

4.73

0.002

− 3.20: − 1.30

Reading ability score

129.10 ± 23.97

184.19 ± 13.74

10.84

0.0001

− 65.22: − 44.97