Effectiveness of the Item

Effectiveness of the Item Formula

  E.I. = SLG-SUG

                 2

+ - = effective destructor

--= confusing destructor

0 = ineffective destructor

1.   A

Option	SUG	SLG	SLG-SUG 2	E.I.
A	10	7	7-10 =-3=-1.5               2        2	confusing destructor
B	0	3	3-0 =3 =1.5                2      2	Effective destructor
C	4	4	4-4 =0 =0                  2     2	ineffective destructor
D	0	0	0-0       =0 =0                 2       2	ineffective destructor

2.   B

Option	SUG	SLG	SLG-SUG 2	E.I.
A	2	2	2-2= 0=0                  2      2	ineffective destructor
B	12	7	7-12= -5=-2.5               2        2	Effective destructor
C	0	4	4-0= 4= 2                  2     2	Effective destructor
D	0	1	1-0= 1=0.5                 2     2	Effective destructor

3.   C

Option	SUG	SLG	SLG-SUG 2	E.I.
A	8	9	9-8= 1=0.5                 2     2	Effective destructor
B	0	1	1-0= 1=0.5                 2     2	Effective destructor
C	6	4	4-6= -2=-1                  2     2	confusing destructor
D	0	0	0-0= 0= 0                  2     2	ineffective destructor

4.   A

Option	SUG	SLG	SLG-SUG 2	E.I.
A	12	11	11-12= -1=-0.5                2        2	confusing destructor
B	1	1	1-1= 0=0                  2      2	ineffective destructor
C	1	1	1-1= 0=0                  2      2	ineffective destructor
D	0	1	1-0= 1=0.5                 2     2	Effective destructor

5.   D

Option	SUG	SLG	SLG-SUG 2	E.I.
A	2	1	1-2= -1=-0.5               2       2	Effective destructor
B	1	7	7-1= 6=3                  2      2	Effective destructor
C	0	0	0-0= 0= 0                  2     2	ineffective destructor
D	11	6	6-11= -5=-2.5                2       2	confusing destructor

6.   A

Option	SUG	SLG	SLG-SUG 2	E.I.
A	11	4	4-11= -7= -3.5              2        2	confusing destructor
B	1	7	7-1= 6=3                  2      2	Effective destructor
C	2	3	3-2= 1=0.5                2      2	Effective destructor
D	0	0	0-0= 0= 0                  2     2	ineffective destructor

7.   D

Option	SUG	SLG	SLG-SUG 2	E.I.
A	2	10	10-2= 8=4                   2      2	Effective destructor
B	2	0	0-2= -2= -1                 2      2	confusing destructor
C	2	0	0-2= -2= -1                 2      2	confusing destructor
D	8	4	4-8= -4=-2                 2      2	confusing destructor

8.   B

Option	SUG	SLG	SLG-SUG 2	E.I.
A	1	4	4-1= 3=1.5                2      2	Effective destructor
B	4	3	3-4= -1=-0.5                2      2	confusing destructor
C	2	4	4-2= 2=1                  2      2	Effective destructor
D	7	3	3-7= -4=-2                  2      2	confusing destructor

9.   A

Option	SUG	SLG	SLG-SUG 2	E.I.
A	10	6	6-10= -4= -2                 2       2	confusing destructor
B	3	4	4-3= 1=0.5                2      2	Effective destructor
C	0	2	2-0= 2=1                  2      2	Effective destructor
D	1	2	2-1= 1=0.5                2      2	Effective destructor

10.               A

Option	SUG	SLG	SLG-SUG 2	E.I.
A	6	1	1-6= -5= -2.5               2      2	confusing destructor
B	2	3	3-2= 1=0.5                2      2	Effective destructor
C	2	4	4-2= 2=1                  2      2	Effective destructor
D	4	6	6-4= 2=1                  2      2	Effective destructor

11.               A

Option	SUG	SLG	SLG-SUG 2	E.I.
A	14	10	10-14= -4= -2                 2        2	confusing destructor
B	0	2	2-0= 2=1                  2      2	Effective destructor
C	0	2	2-0= 2=1                  2      2	Effective destructor
D	0	0	0-0= 0=0                  2      2	ineffective destructor

12.               D

Option	SUG	SLG	SLG-SUG 2	E.I.
A	7	6	6-7= -1=-0.5                2      2	Effective destructor
B	0	4	4-0= 4=2                  2      2	Effective destructor
C	3	3	3-3= 0=0                  2      2	ineffective destructor
D	4	1	1-4= -3= -1.5               2      2	confusing destructor

13.               C

Option	SUG	SLG	SLG-SUG 2	E.I.
A	5	2	5-2= 3=1.5                2      2	Effective destructor
B	7	7	7-7= 0=0                  2      2	ineffective destructor
C	0	0	0-0= 0=0                  2      2	ineffective destructor
D	2	5	5-2= 3=1.5                 2     2	Effective destructor

14.               A

Option	SUG	SLG	SLG-SUG 2	E.I.
A	8	6	6-8= -2=-1                 2      2	confusing destructor
B	2	3	3-2= 1=0.5                2      2	Effective destructor
C	3	2	2-3= -1=-0.5                2      2	Effective destructor
D	1	3	3-1= 2=1                  2      2	Effective destructor

15.               C

Option	SUG	SLG	SLG-SUG 2	E.I.
A	0	1	1-0= 1=0.5                2      2	Effective destructor
B	4	6	6-4= 2=1                  2      2	Effective destructor
C	10	3	3-10= -7=-3.5                 2      2	confusing destructor
D	0	4	4-0= 4=2                  2      2	Effective destructor

16.               B

Option	SUG	SLG	SLG-SUG 2	E.I.
A	2	3	3-2= 1=0.5                2      2	Effective destructor
B	6	4	4-6= -2=-1                 2      2	confusing destructor
C	4	3	3-4= -1=0.5                 2      2	Effective destructor
D	2	4	4-2= 2=1                  2      2	Effective destructor

17.               D

Option	SUG	SLG	SLG-SUG 2	E.I.
A	0	2	2-0= 2=1                 2      2	Effective destructor
B	0	1	1-0= 1=0.5                2      2	Effective destructor
C	1	2	2-1= 1=0.5                2      2	Effective destructor
D	13	9	9-13= -3=-1.5                2      2	confusing destructor

18.               C

Option	SUG	SLG	SLG-SUG 2	E.I.
A	5	2	2-5= -3=-1.5               2      2	confusing destructor
B	2	1	1-2= -1=-0.5               2      2	confusing destructor
C	5	8	8-5= 3=1.5                2      2	Effective destructor
D	2	3	3-2= 1=0.5                2      2	Effective destructor

19.               B

Option	SUG	SLG	SLG-SUG 2	E.I.
A	3	0	0-3= -3=-1.5               2      2	confusing destructor
B	3	2	2-3= -1=-0.5               2      2	confusing destructor
C	5	7	7-5= 2=1                 2      2	Effective destructor
D	3	5	5-3= 2=1                 2      2	Effective destructor

20.               D

Option	SUG	SLG	SLG-SUG 2	E.I.
A	0	1	1-0= 1=0.5                2      2	Effective destructor
B	1	6	6-1= 5=2.5                2      2	Effective destructor
C	6	6	6-6= 0=0                 2      2	ineffective destructor
D	7	1	1-7= -6=-3                 2      2	confusing destructor

21.               D

Option	SUG	SLG	SLG-SUG 2	E.I.
A	3	8	8-3= 5=2.5                2      2	Effective destructor
B	2	1	1-2= -1=-0.5               2      2	confusing destructor
C	5	2	2-5= -3=-1.5               2      2	confusing destructor
D	4	3	3-4= -1=-0.5               2      2	confusing destructor

22.               D

Option	SUG	SLG	SLG-SUG 2	E.I.
A	5	4	4-5= -1=-0.5               2      2	confusing destructor
B	0	2	2-0= 2=1                 2      2	Effective destructor
C	0	5	5-0= 5=2.5                2      2	Effective destructor
D	9	3	3-9= -6=-3                 2      2	confusing destructor

23.               A

Option	SUG	SLG	SLG-SUG 2	E.I.
A	12	7	7-12= -5=-2.5                2      2	confusing destructor
B	1	1	1-1= 0=0                 2      2	ineffective destructor
C	1	2	2-1= 1=0.5               2      2	Effective destructor
D	0	4	4-0= 4=2                 2      2	Effective destructor

24.               B

Option	SUG	SLG	SLG-SUG 2	E.I.
A	9	6	6-9= -3=-1.5               2      2	confusing destructor
B	5	4	4-5= -1=-0.5               2      2	confusing destructor
C	0	3	3-0= 3=1.5                2      2	Effective destructor
D	0	1	1-0= 1=0.5                2      2	Effective destructor

25.               D

Option	SUG	SLG	SLG-SUG 2	E.I.
A	6	5	5-6= -1=-0.5               2      2	confusing destructor
B	7	7	7-7= 0=0                 2      2	ineffective destructor
C	1	0	0-1= -1=-0.5               2      2	confusing destructor
D	0	2	2-0= 2=1                 2      2	Effective destructor

26.               D

Option	SUG	SLG	SLG-SUG 2	E.I.
A	3	2	2-3= -1=-0.5               2      2	confusing destructor
B	0	2	2-0= 2=1                 2      2	Effective destructor
C	0	3	3-0= 3=1.5                2      2	Effective destructor
D	11	7	7-11= -4=-2                  2      2	confusing destructor

27.               D

Option	SUG	SLG	SLG-SUG 2	E.I.
A	0	3	3-0= 3=1.5                2      2	Effective destructor
B	5	6	6-5= 1=0.5                2      2	Effective destructor
C	1	2	2-1= 1=0.5                2      2	Effective destructor
D	8	3	3-8= 5=2.5                2      2	Effective destructor

28.               D

Option	SUG	SLG	SLG-SUG 2	E.I.
A	3	9	3-9= -6=-3                 2      2	confusing destructor
B	2	2	2-2= 0=0                 2      2	ineffective destructor
C	6	3	3-6= -3=-1.5                2      2	confusing destructor
D	3	0	0-3= -3=-1.5               2      2	confusing destructor

29.               B

Option	SUG	SLG	SLG-SUG 2	E.I.
A	0	5	5-0= 5=2.5                2      2	Effective destructor
B	10	7	7-10= -3=-1.5                2      2	confusing destructor
C	2	0	0-2= -2=-1                 2      2	confusing destructor
D	2	2	2-2= 0=0                 2      2	ineffective destructor

30.               D

Option	SUG	SLG	SLG-SUG 2	E.I.
A	6	5	5-6=-1=-0.5               2      2	confusing destructor
B	4	4	4-4= 0=0                 2      2	ineffective destructor
C	1	5	5-1= 4=2                 2      2	Effective destructor
D	3	0	0-3= -3=-1.5               2      2	confusing destructor

31.               A

Option	SUG	SLG	SLG-SUG 2	E.I.
A	12	5	5-12= -7=-3.5                2      2	confusing destructor
B	1	2	2-1= 1=0.5                2      2	Effective destructor
C	1	4	4-1= 3=1.5               2      2	Effective destructor
D	0	3	3-0= 3=1.5               2      2	Effective destructor

32.               B

Option	SUG	SLG	SLG-SUG 2	E.I.
A	0	4	4-0= 4=2                 2      2	Effective destructor
B	2	1	1-2= -1=-0.5               2      2	confusing destructor
C	11	8	8-11= 3=-1.5                2      2	confusing destructor
D	1	1	1-1= 0=0                 2      2	ineffective destructor

33.               A

Option	SUG	SLG	SLG-SUG 2	E.I.
A	9	3	3-9= -6=-3                 2      2	confusing destructor
B	2	4	4-2= 2=1                 2      2	Effective destructor
C	0	2	2-0= 2=1                 2      2	Effective destructor
D	3	5	5-3= 2=1                 2      2	Effective destructor

34.               B

Option	SUG	SLG	SLG-SUG 2	E.I.
A	2	2	2-2= 0=0                 2      2	ineffective destructor
B	11	5	5-11= -6=-3                  2      2	confusing destructor
C	1	4	4-1= 3=1.5               2      2	Effective destructor
D	0	3	3-0= 3=1.5                2      2	Effective destructor

35.               A

Option	SUG	SLG	SLG-SUG 2	E.I.
A	7	5	5-7= -2=-1                 2      2	confusing destructor
B	1	3	3-1= 2=1                 2      2	Effective destructor
C	2	1	1-2= -1=-0.5               2      2	confusing destructor
D	4	5	5-4= 1=0.5               2      2	Effective destructor

36.               D

Option	SUG	SLG	SLG-SUG 2	E.I.
A	0	1	1-0= 1=0.5               2      2	Effective destructor
B	1	5	5-1= 4=2                 2      2	Effective destructor
C	0	2	2-0= 2=1                 2      2	Effective destructor
D	13	6	6-13= -7=-3.5                2      2	confusing destructor

37.               A

Option	SUG	SLG	SLG-SUG 2	E.I.
A	11	4	4-11= -7=-3.5                2      2	confusing destructor
B	1	3	3-1= 2=1                 2      2	Effective destructor
C	1	7	7-1= 6=3                 2      2	Effective destructor
D	1	0	0-1= -1=-0.5               2      2	confusing destructor

38.               C

Option	SUG	SLG	SLG-SUG 2	E.I.
A	5	5	5-5= 0=0                 2      2	ineffective destructor
B	0	3	3-0= 3=1.5               2      2	Effective destructor
C	9	3	3-9= -6=-3                 2      2	confusing destructor
D	0	3	3-0= 3=1.5                2      2	Effective destructor

39.               A

Option	SUG	SLG	SLG-SUG 2	E.I.
A	9	4	4-9= -5=-2.5               2      2	confusing destructor
B	4	4	4-4= 0=0                 2      2	ineffective destructor
C	1	2	2-1= 1=0.5                2      2	Effective destructor
D	0	4	4-0= 4=2                 2      2	Effective destructor

40.               A

Option	SUG	SLG	SLG-SUG 2	E.I.
A	8	3	3-8= -5=-2.5               2      2	Effective destructor
B	3	2	2-3= -1=-0.5               2      2	confusing destructor
C	3	4	4-3= 1=0.5               2      2	Effective destructor
D	0	5	5-0= 5=2.5               2      2	Effective destructor

41.               C

Option	SUG	SLG	SLG-SUG 2	E.I.
A	1	4	4-1= 3=1.5               2      2	Effective destructor
B	2	6	6-2= 4=2                 2      2	Effective destructor
C	7	2	2-7= 5=2.5               2      2	Effective destructor
D	4	2	2-4= -2=-1                 2      2	confusing destructor

42.               A

Option	SUG	SLG	SLG-SUG 2	E.I.
A	6	4	4-6= -2=-1                 2      2	confusing destructor
B	3	2	2-3= -1=-0.5               2      2	confusing destructor
C	5	7	7-5= 2=1                 2      2	Effective destructor
D	0	1	1-0= 1=0.5                2      2	Effective destructor

43.               A

Option	SUG	SLG	SLG-SUG 2	E.I.
A	8	4	4-8= -4=-2                 2      2	confusing destructor
B	4	1	1-4= -3=-1.5               2      2	confusing destructor
C	2	6	6-2= 4=2                 2      2	Effective destructor
D	0	3	3-0= 3=1.5                2      2	Effective destructor

44.               B

Option	SUG	SLG	SLG-SUG 2	E.I.
A	2	1	1-2= -1=-0.5               2      2	confusing destructor
B	11	10	10-11= -1=-0.5                 2      2	confusing destructor
C	1	2	2-1= 1=0.5                2      2	Effective destructor
D	0	1	1-0= 1=0.5                2      2	Effective destructor

45.               A

Option	SUG	SLG	SLG-SUG 2	E.I.
A	5	3	3-5= -2=-1                 2      2	confusing destructor
B	7	7	7-7= 0=0                 2      2	ineffective destructor
C	1	1	1-1= 0=0                 2      2	ineffective destructor
D	1	3	3-1= 2=1                 2      2	Effective destructor

46.               C

Option	SUG	SLG	SLG-SUG 2	E.I.
A	9	9	9-9= 0=0                 2      2	ineffective destructor
B	2	1	1-2= -1=-0.5               2      2	confusing destructor
C	2	2	2-2= 0=0                 2      2	ineffective destructor
D	1	2	2-1= 1=0.5                2      2	Effective destructor

47.               A

Option	SUG	SLG	SLG-SUG 2	E.I.
A	3	4	4-3= 1=0.5               2      2	Effective destructor
B	5	5	5-5= 0=0                 2      2	ineffective destructor
C	3	3	3-3= 0=0                 2      2	ineffective destructor
D	3	2	2-3= -1=-0.5               2      2	confusing destructor

48.               A

Option	SUG	SLG	SLG-SUG 2	E.I.
A	1	0	0-1= -1=-0.5               2      2	confusing destructor
B	8	5	5-8= -3=-1.5               2      2	confusing destructor
C	5	6	6-5= -1=-0.5               2      2	confusing destructor
D	0	3	3-0= 3=1.5               2      2	Effective destructor

49.               C

Option	SUG	SLG	SLG-SUG 2	E.I.
A	2	6	6-2= 4=2                 2      2	Effective destructor
B	1	0	0-1= -1=-0.5               2      2	confusing destructor
C	8	4	4-8= -4=-2                 2      2	confusing destructor
D	3	4	4-3= 1=0.5               2      2	Effective destructor

50.               A

Option	SUG	SLG	SLG-SUG 2	E.I.
A	5	2	2-5= -3=-1.5               2      2	confusing destructor
B	1	4	4-1= 3=1.5               2      2	Effective destructor
C	3	2	2-3= -1=-0.5               2      2	confusing destructor
D	5	6	6-5= 1=0.5                2      2	Effective destructor