Age

Translated

books

Learning

quality

Low

Average

High

Total

Lower than 20 years

Yes

2

4

14

20

35%

41%

70%

No

3

6

6

15

65%

59%

20%

Total

5

10

20

35

Result of test

α = 5%

Df = 2

X²m = 5/19

Sig = 0/004

21-25 year

Yes

5

6

48

59

66%

55%

86%

No

2

5

8

15

33%

45%

14%

Total

7

11

56

73

Result of test

α = 5%

Df = 2

X²m = 15/47

Sig = 0/005

Upper to 26 year

Yes

2

3

5

10

50%

80%

60%

No

2

1

4

7

50%

20%

40%

Total

4

4

9

17

Result of test

α = 5%

Df = 2

X²m = 6/35

Sig = 0/0003

Kramer’s v

Lower than 20 years

0/316

Sig = 0/0004

Meaningful level

20 - 25 years

0/368

Sing = 0/0005

Meaningful level