Sunday, March 2, 2014

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


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