Table 7 Comparison between the two age groups regarding the scores of the Arabic and English conversation test

Frequency of words

13.82

2.41

15.74*

2.37

Mean length of utterance level

2.02

0.68

2.55

0.6

Type token ratio level

2.23

0.74

2.64*

0.48

Number of interjections

0.18

0.53

0.05

0.22

Number of code switch

2.71

1.52

1.66*

1.42

Total productivity

20.96

3.01

23.33*

3.42

Number of errors

2.87*

0.39

1.83

0.57

Number of repairs

0

0

0.16*

0.52

Nonverbal

10

0

9.9

0.31

Total

36.76

3.18

39.62*

4.05

English conversation test

 Frequency of words per conversation

18.09

2.95

19.57*

2.84

 Mean length of utterance level

2.1

0.61

2.67*

0.47

 Type token ratio level

2.02

0.66

2.5*

0.6

 Number of interjections

0

0

0

0

 Number of code switch

0

0

0.02*

0.13

 Total productivity

22.21

3.83

24.64*

3.57

 Number of errors

0

0

0

0

 Number of repairs

0

0

0

0

 Nonverbal

10

0

9.95

0.22

 Total

38.21

3.83

40.59*

3.59