Table 3 Descriptive statistics of the attitudes toward the content authenticity

1

The textbooks’ reading materials/tasks exemplified the authentic language.

St.

14.45

46.36

14.45

14.07

10.68

3.40

1.20

Inst.

14.81

44.44

0.85

35.18

3.70

3.31

1.21

2

The textbooks’ writing materials/tasks exemplified the authentic language.

St.

5.40

22.99

26.26

33.04

12.31

2.76

1.10

Inst.

0

7.40

35.18

44.44

12.96

2.37

0.81

3

The textbooks’ listening materials/tasks exemplified the authentic language.

St.

15.33

38.57

18.34

14.95

12.81

3.29

1.26

Inst.

5.55

25.92

18.51

44.44

5.55

2.81

1.06

4

The textbooks’ speaking materials/tasks exemplified the authentic language.

St.

4.77

20.22

13.69

35.80

25.50

2.43

1.20

Inst.

0

0

25.92

53.70

20.37

2.06

0.68

5

The textbooks’ vocabulary materials/tasks exemplified the authentic language.

St.

13.44

30.90

21.23

19.22

15.20

3.08

1.28

Inst.

0

42.59

29.62

27.77

0

3.15

0.83

6

The ESP textbooks’ grammar materials/tasks exemplified the authentic language.

St.

10.30

22.49

20.85

29.02

17.33

2.79

1.26

Inst.

0

29.62

14.81

51.85

3.70

2.70

0.96

7

The additional (supplementary) materials/tasks exemplified the authentic language.

St.

15.58

34.92

19.47

17.84

12.18

3.24

1.26

Inst.

0

51.85

16.66

31.48

0

3.20

0.86

St.

11.32

30.92

19.18

23.42

15.15

3.00

1.27

Inst.

2.91

28.84

41.27

1.02