ain words that are known by learners.

93

3.00

.84

28

51.6

12.9

7.5

43.47

3

.00

Table 4.16 indicates that in item 7, 26.9% of the students strongly agreed and 57% of them agreed that the paradigm used to introduce grammatical rules is clear and simple. In addition, 12.9 % of the students disagreed and 3.2 % of them strongly disagreed with this item (M = 3.07, SD=.72; SUM. of S. Agr. & Agr. = 83.9%). Moreover, there is a significant difference between the number of students who agreed and the ones who strongly agreed, disagreed, and strongly disagreed with this item, c2 (3, N = 93) = 61.28, p .05.

Item 8 considers if grammar items suit students’ language needs. The findings indicate that 18.3% of the students strongly agreed and 65.6% of them agreed that grammar items suit students’ language needs. In addition, 11.8 % of the students disagreed and 4.3 % of them strongly disagreed with this item (M = 2.97, SD=.69; SUM. of S. Agr. & Agr. = 83.9%). Moreover, there is a significant difference between the number of students who agreed and the ones who strongly agreed, disagreed, and strongly disagreed with this item, c2 (3, N = 93) = 85.36, p .05.

In the next item, 33.3% of the students strongly agreed and 48.4% of them agreed that there is a balance between form and use. In addition, 12.9 % of the students disagreed and 5.4 % of them strongly disagreed with this item (M = 3.09, SD=.82; SUM. of S. Agr. & Agr. = 81.7%). Moreover, there is a significant difference between the number of students who agreed and the ones who strongly agreed, disagreed, and strongly disagreed with this item, c2 (3, N = 93) = 42.69, p .05.

The last item of this category demonstrates that 28% of the students strongly agreed and 51.6% of them agreed that sentences and examples contain words that are known by learners. In addition, 12.9 % of the students disagreed and 7.5 % of them strongly disagreed with this item (M = 3.00, SD=.84; SUM. of S. Agr. & Agr. = 79.6%). Moreover, there is a significant difference between the number of students who agreed and the ones who strongly agreed, disagreed, and strongly disagreed with this item, c2 (3, N = 93) = 43.47, p .05.

۴٫۱٫۱٫۵ Vocabulary from Teachers’ Perspective

Table 4.17

Result of the descriptive statistics, percentage and Chi-square of the teachers’ responses related to vocabulary in the case of Interchange coursebook

N

Mean

Std. Deviation

Percentage

Chi-square

df

Asymp. Sig.

S. Agr.

Agr.

D.Agr

S. D. Agr

New lexical items appear in the following units.

۲۰

۲٫۷۰

.۶۶

۵

۶۵

۲۵

۵

۱۹٫۲۰

۳

.۰۰

The exercises for vocabulary are rich and adequate.

20

2.50

.61

0

55

40

5

7.90

2

.02

Table 4.17 shows that in item 11, 5% of the teachers strongly agreed and 65% of them agreed that new lexical items appear in the following units. In addition, 25% of the teachers disagreed and 5% of them strongly disagreed with the item (M = 2.70, SD=.66; SUM. of S. Agr. & Agr. =70%). Moreover, there is a significant difference between the number of teachers who agreed and the ones who strongly agreed, disagreed, and strongly disagreed with this item, c2 (3, N = 20) = 19.00, p .05.

Twelfth item considers whether the exercises for vocabulary are rich and adequate or not. The results display that 55% of the teachers agreed that the exercises for vocabulary are rich and adequate. In addition, 40% of the teachers disagreed and 5% of them strongly disagreed with the item (M = 2.50, SD=.61; SUM. of S. Agr. & Agr. =55%). Moreover, there is a significant difference between the number of teachers who agreed and the ones who disagreed and strongly disagreed with this item, c2 (2, N = 20) = 7.90, p .05.

Table 4.18

Result of the descriptive statistics, percentage and Chi-square of the teachers’ responses related to vocabulary in the case of English Result coursebook

N

Mean

Std. Deviation

Percentage

Chi-square

df

Asymp. Sig.

S. Agr.

Agr.

D.Agr

S. D. Agr

New lexical items appear in the following units.

۱۶

۲٫۶۹

.۷۹

۱۲٫۵

۵۰

۳۱٫۳

۶٫۲

۷٫۵۰

۳

.۰۶

The exercises for vocabulary are rich and adequate.

16

2.37

.50

0

37.5

62.5

0

1.00

1

.32

Table 4.18 shows that in item 11, 12.5% of the teachers strongly agreed and 50% of them agreed that new lexical items appear in the following units. In addition, 31.3% of the teachers disagreed and 6.2% of them strongly disagreed with the item (M = 2.69, SD=.79; SUM. of S. Agr. & Agr. = 62.5%). Moreover, there is no significant difference between the number of teachers who agreed and the ones who strongly agreed, disagreed, and strongly disagreed with this item, c2 (3, N = 16) = 7.50, p .05.

Twelfth item considers the exercises for vocabulary are rich and adequate or not. The results display that 37.5% of the teachers agreed and 62.5% of them disagreed that the exercises for vocabulary are rich and adequate (M = 2.37, SD=.50). Moreover, there is no significant difference between the number of teachers who agreed and the ones who disagreed with this item, c2 (1, N = 16) = 1.00, p .05.

Table 4.19

Result of the descriptive statistics, percentage and Chi-square of the teachers’ responses related to vocabulary in the case of Top Notch coursebook

N

Mean

Std. Deviation

Percentage

Chi-square

df

Asymp. Sig.

S. Agr.

Agr.

D.Agr

S. D. Agr

New lexical items appear in the following units.

۲۰

۲٫۹۵

.۷۶

۲۰

۶۰

۱۵

۵

۱۴٫۰۰

۳

.۰۰

The exercises for vocabulary are rich and adequate.

20

3.00

.79

30

40

30

0

.40

2

.82

Table 4.19 shows that in item 11, 20% of the teachers strongly agreed and 60% of them agreed that new lexical items appear in the following units. In addition, 15% of the teachers disagreed and 5% of them strongly disagreed with the item (M = 2.95, SD=.76; SUM. of S. Agr. & Agr. =80%). Moreover, there is a significant difference between the number of teachers who agreed and the ones who strongly agreed, disagreed, and strongly disagreed with this item, c2 (3, N = 20) = 14.00, p .05.

Twelfth item considers whether the exercises for vocabulary are rich and adequate or not. The results display that 30% of the teachers strongly agreed and 40% of them agreed that the exercises for vocabulary are rich and adequate. In addition, 30% of the teachers disagreed with the item (M = 3.00, SD=.79; SUM. of S. Agr. & Agr. =70%). Moreover, there is no significant difference between the number of teachers who agreed and the ones who strongly agreed and disagreed with this item, c2 (2, N = 20) =.40, p .05.

Table 4.20

Result of the descriptive statistics, percentage and Chi-square of the teachers’ responses related to vocabulary in the case of Total English coursebook

N

Mean

Std. Deviation

Percentage

Chi-square

df

Asymp. Sig.

S. Agr.

Agr.

D.Agr

S. D. Agr

New lexical items appear in the following units.

۲۰

۲٫۸۵

.۸۱

۲۰

۵۰

۲۵

۵

۸٫۴۰

۳

.۰۳

The exercises for vocabulary are rich and adequate.

20

2.45

.51

0

45

55

0

.20

1

.65

Table 4.20 shows that in item 11, 20% of the teachers strongly agreed and 50% of them agreed that new lexical items appear in th

e

following units. In addition, 25% of the teachers disagreed and 5% of them strongly disagreed with the item (M = 2.85, SD=.81; SUM. of S. Agr. & Agr. =70%). Moreover, there is a significant difference between the number of teachers who agreed and the ones who strongly agreed, disagreed, and strongly disagreed with this item, c2 (3, N = 20) = 8.40, p .05.

Twelfth item considers whether the exercises for vocabulary are rich and adequate or not. The results display that 45% of the teachers agreed and 55% of them disagreed that the exercises for vocabulary are rich and adequate (M = 2.45, SD=.51). Moreover, there is no significant difference between the number of teachers who agreed and the ones who disagreed with this item, c2 (1, N = 20) = .20, p .05.

۴٫۱٫۱٫۶ Vocabulary from Students’ Perspective

Table 4.21

Result of the descriptive statistics, percentage and Chi-square of the students’ responses related to vocabulary in the case of Interchange coursebook

N

Mean

Std. Deviation

Percentage

Chi-square

df

Asymp. Sig.

S. Agr.

Agr.

D.Agr

S. D. Agr

New lexical items appear in the following units.

۱۰۰

۲٫۳۱

.۹۲

۱۰

۳۲

۳۷

۲۱

۱۷٫۳۶

۳

.۰۰

The exercises for vocabulary are rich and adequate.

100

2.30

.83

6

36

40

18

30.24

3

.00

As displayed in table 4.21, in item 11, 10% of the students strongly agreed and 32% of them agreed that new lexical items appear in the following units. In addition, 37% of the students disagreed and 21 % of them strongly disagreed with this item (M = 2.31, SD=.92; SUM. of D. Agr. & S. D. Agr. = 58%). Moreover, there is a significant difference between the number of students who disagreed and the ones who strongly agreed, agreed, and strongly disagreed with this item, c2 (3, N = 100) = 17.36, p .05.

Item 12 considers whether the exercises for vocabulary are rich and adequate or not. Data analysis indicates that 6% of the students strongly agreed and 36% of them agreed that the exercises for vocabulary are rich and adequate. In addition, 40% of the students disagreed and 18 % of them strongly disagreed with this item (M = 2.30, SD=.83; SUM. of D. Agr. & S. D. Agr. = 58%). Moreover, there is a significant difference between the number of students who disagreed and the ones who strongly agreed, agreed, and strongly disagreed with this item, c2 (3, N = 100) = 30.24, p .05.

Table 4.22

Result of the descriptive statistics, percentage and Chi-square of the students’ responses related to vocabulary in the case of English Result coursebook

N

Mean

Std. Deviation

Percentage

Chi-square