APPENDIX F: Brainstorming Rating Scale Results Methods of Measuring Driving Performance
Practicality
Method
All Experts
Physicians & Pharmacologists
Driving Evaluators
Behavioral Researchers
Database Experts
n
mean
sd
range
A
13
64.6
16.6
35-90
5
60.0
17.7
35-80
3
70.0
26.5
40-90
2
67.5
10.6
60-75
65.0
13.2
55-80
B
62.7
19.5
25-100
63.0
22.0
25-80
71.7
30.1
40-100
47.5
3.5
45-50
63.3
7.6
55-70
C
39.0
26.6
5-77
49.4
34.2
28.3
17.6
10-45
20.0
21.2
5-35
45.0
22.9
20-65
D
54.3
23.1
15-75
60.2
26.3
15-80
33.3
16.1
15-45
72.5
65-80
53.3
20.8
30-70
E
58.0
23.0
68.8
19.7
35-85
38.3
15.3
25-55
55.0
42.4
25-85
61.7
18.9
40-75
F
12
55.8
23.5
10-85
4
23.8
30-80
15.0
50-80
25.0
10-40
68.3
45-85
G
74.8
15.4
45-95
75.4
17.5
45-90
2.9
70-75
77.5
24.8
60-95
75.0
21.8
50-90
Reliability
14
67.9
15-95
66.0
18.2
46.7
28.4
15-70
80.0
0
80-80
65-95
71.4
20.5
25-95
74.0
14.3
55-95
25.7
32.2
85.0
10.0
75-95
67.4
13.9
69.8
9.5
60-85
45-80
45-75
18.0
55-90
57.9
15-85
8.2
60-80
40-70
40.0
15-60
51.1
19.3
10-75
7.0
57-75
48.3
12.6
35-60
23.6
10-55
56.7
20.2
35-75
72.3
13.8
45-87
75.8
3.0
73-80
67.3
21.1
81.7
75-90
70.1
10.9
76.4
7.7
65-85
8.7
A + G
1
75
--
B + G
90
Cost-Effectiveness
60.8
15.1
64.0
20.7
58.3
14.1
50-70
55-60
58.6
14.4
60.4
6.4
52-65
22.6
40-85
42.5
25-60
5.8
55-65
23.7
1-60
33.0
29.3
5-75
17.0
20.4
1-40
25.3
22.4
1-45
43.3
20-60
40.7
23.9
49.0
30.9
20-85
17.3
15-55
50.0
30-65
27.6
10-95
58.2
27.7
31-90
31.7
20-50
27.5
10-65
40-95
19.2
35-95
71.8
14.2
55-85
44.0
10.2
35-55
76.5
11.0
79.3
72-95
73.3
10.4
9.3
73-90
Overall
58.7
20-75
54.0
30-75
38.9
55-75
67.7
2.1
66-70
18.8
17-85
68.0
85-85
52.3
17-80
70.3
0.6
70-71
43.1
17.2
38.0
41.7
10.1
30-50
55.7
32-75
44.6
18.3
15-77
44.4
36.7
27.8
57.3
35-77
40.1
10-80
16.7
25-70
23.3
20-30
10-50
62.3
22.5
37-80
16.9
25-90
10.8
56.0
25-78
73.7
54-90
30-85
72.0
12.2
58-85
7.1
40-50
66.5
50-83
A + B + G
100
B + F + G
95