Appendix C
Percentage of four types of mistakes made by students
(First semester)No. Name
Total No.
of
mistakes
Type 1 Type 2 Type 3 Type 4
Number
%
No.
Mis. %
No.
Mis. %
No.
Mis. %
1
Hang
2 1 50% 0 0% 1 50% 0 0%
2
Kien
3 1 33% 1 33% 1 33% 0 0%
3
Chi
4 2 50% 1 25% 1 25% 0 0%
4
Ha B
4 2 50% 1 25% 1 25% 0 0%
5

Hanh A
10 3 30% 3 30% 3 30% 1 10%
14
Trang A
10 2 20% 2 20% 5 50% 1 10%
15
Hanh B
11 6 55% 3 27% 2 18% 0 0%
16
Anh A
12 4 33% 3 25% 5 42% 0 0%
17
Dung
12 4 33% 2 17% 6 50% 0 0%
18
Yen A
12 4 33% 3 25% 5 42% 0 0%
19
Thoa
13 3 23% 5 38% 4 31% 1 8%
20
Huy
14 4 29% 2 14% 7 50% 1 7%
21
Ha A
14 3 21% 2 14% 7 50% 2 14%
22
Ha B
14 4 29% 3 21% 6 43% 1 7%


Du
20 4 20% 2 10% 13 65% 1 5%
32
Hien
21 3 14% 4 19% 10 48% 4 19%
33
Nhung
22 5 23% 2 9% 11 50% 4 18%
34
Hien
23 5 22% 3 13% 11 48% 4 17%
35
Ninh
23 6 26% 5 22% 9 39% 3 13%8 24% 17% 46% 14%
36
Bao
26 6 23% 3 12% 13 50% 4 15%
89
37
Hanh
28 6 21% 5 18% 13 46% 4 14%
38
Ngoc
28 5 18% 3 11% 15 54% 5 18%
39
Anh D
28 6 21% 5 18% 13 46% 4 14%

49
Thanh
32 8 25% 7 22% 12 38% 5 16%
50
Mai
33 7 21% 6 18% 17 52% 3 9%
51
Na A
34 5 15% 6 18% 19 56% 4 12%
52
Phuong C
34 6 18% 5 15% 17 50% 6 18%
53
Tuan
34 4 12% 6 18% 21 62% 3 9%
54
Hiep
34 8 24% 3 9% 17 50% 6 18%
55
Anh B
35 7 20% 4 11% 19 54% 5 14%
56
Linh A
35 5 14% 7 20% 20 57% 3 9%
57
Na B
35 8 23% 6 17% 17 49% 4 11%
58
Minh A
35 6 17% 4 11% 19 54% 6 17%

68
Minh B
37 8 22% 4 11% 22 59% 3 8%
69
Phuong B
37 8 22% 5 14% 21 57% 3 8%
70
Nhung
37 6 16% 4 11% 23 62% 4 11%
71
Thinh
37 9 24% 11 30% 14 38% 3 8%
72
Trang B
37 4 11% 9 24% 19 51% 5 14%
73
Phuong A
38 8 21% 5 13% 19 50% 6 16%
74
Hanh
38 6 16% 4 11% 23 61% 5 13%
75
Ngoc
38 5 13% 5 13% 23 61% 5 13%
76
Anh C
39 6 15% 4 10% 23 59% 6 15%
77
Hung
39 8 21% 5 13% 23 59% 3 8%

Trang C
40 7 18% 10 25% 18 45% 5 13%
89
Trang D
40 8 20% 11 28% 18 45% 3 8%
90
Tuyen
40 6 15% 10 25% 18 45% 6 15%
91
Le
40 6 15% 10 25% 21 53% 3 8%
No
Students
31 17% 19% 52% 11%
91
Appendix D
Percentage of four types of mistakes made by students
(Second semester)

Name
Total No.
Type 1 Type 2 Type 3 Type 4
No.
of
mistakes
No.
Mis. %

8
Anh A
7 1 14% 1 14% 5 71% 0 0%
9
Ha A
8 1 13% 2 25% 4 50% 1 13%
10
Huy
9 1 11% 3 33% 4 44% 1 11%9 9% 28% 54% 9%
11
Dao
10 1 10% 2 20% 7 70% 0 0%
12
Giang A
10 1 10% 2 20% 5 50% 2 20%
13
Hien
10 1 10% 2 20% 6 60% 1 10%
14
Van
10 1 10% 3 30% 4 40% 2 20%
15
Hoa
10 0 0% 4 40% 6 60% 0 0%
16
Giang
11 1 9% 5 45% 4 36% 1 9%

26
Hang
16 1 6% 3 19% 9 56% 3 19%
27
Phuong A
16 2 13% 5 31% 7 44% 2 13%
28
Hien
16 1 6% 4 25% 8 50% 3 19%
29
Thanh
16 0 0% 3 19% 10 63% 3 19%
30
Linh A
17 1 6% 3 18% 10 59% 3 18%
31
Nhung
17 2 12% 4 24% 8 47% 3 18%
32
Du
17 1 6% 1 6% 11 65% 4 24%
33
Thinh
17 1 6% 2 12% 10 59% 4 24%
34
Ngoc
18 0 0% 4 22% 11 61% 3 17%
35
Phuong A
18 2 11% 3 17% 10 56% 3 17%

20 1 5% 4 20% 11 55% 4 20%
45
Linh B
21 1 5% 7 33% 9 43% 4 19%
46
Huong A
22 2 9% 7 32% 8 36% 5 23%
47
Chi
22 1 5% 2 9% 12 55% 7 32%
48
Giang B
22 3 14% 4 18% 13 59% 2 9%
49
Phuong B
22 1 5% 3 14% 14 64% 4 18%
50
Hoa B
23 0 0% 5 22% 13 57% 5 22%
51
Mai
24 2 8% 6 25% 13 54% 3 13%
52
Thu
24 2 8% 3 13% 15 63% 4 17%
53
Yen
24 1 4% 7 29% 9 38% 7 29%
54
Minh B

28 1 4% 7 25% 13 46% 7 25%
64
Dung
28 1 4% 3 11% 18 64% 6 21%
65
Hoa
28 3 11% 4 14% 15 54% 6 21%
66
Ngoc
28 3 11% 3 11% 15 54% 7 25%
67
Thuy B
28 3 11% 2 7% 18 64% 5 18%
68
Na A
29 2 7% 6 21% 16 55% 5 17%
69
Phuong B
29 2 7% 6 21% 15 52% 6 21%
70
Anh B
30 2 7% 5 17% 19 63% 4 13%
71
Hanh
30 2 7% 7 23% 19 63% 2 7%
72
Phuong C
30 1 3% 8 27% 17 57% 4 13%
73
Tuan

33 3 9% 7 21% 19 58% 4 12%
83
Lien
33 4 12% 3 9% 24 73% 2 6%
84
Huong B
34 2 6% 9 26% 20 59% 3 9%
85
Hanh
34 2 6% 3 9% 19 56% 10 29%
86
Hong
34 4 12% 6 18% 15 44% 9 26%
87
Le
34 3 9% 3 9% 20 59% 8 24%
93
88
Trang B
35 1 3% 8 23% 21 60% 5 14%
89
Quan
35 4 11% 5 14% 19 54% 7 20%
90
Thuy A
35 2 6% 3 9% 22 63% 8 23%
91
Huyen A
35 3 9% 6 17% 21 60% 5 14%