Variable

Mean

SD

Range

Skewness

Kurtosis

General reasoning ability

38.27

7.52

19 - 56

−0.21

−0.42

Homograph awareness

12.40

2.54

6 - 17

−0.09

−0.25

Homophone awareness

10.33

3.23

0 - 15

−1.07

1.08

Vocabulary knowledge

6.46

2.49

1 - 15

0.39

1.43

Reading comprehension

15.03

4.54

5 - 22

−0.69

−0.73