APPENDIX G: Brainstorming Rating Scale Results
Older People’s Willingness to Participate as a Function of Method Used to Measure Driving Performance

A. Closed Course E. . Simulation: Level 1
B. On-the Road (in Traffic) F. Instrumented Vehicle (Driver’s own car) 
C.  Simulation: Level 3 G. Functional Measures Validated as Crash Predictors
D.  Simulation: Level 2  

 

Method

All Experts

Physicians & Pharmacologists

Driving Evaluators

Behavioral Researchers

Database Experts

 

n

mean

sd

range

n

mean

sd

range

n

mean

sd

range

n

mean

sd

Range

n

mean

sd

range

A

14

58.8

18.2

25-85

5

60.2

24.2

25-85

3

65.0

13.2

50-75

3

55.7

16.8

45-75

3

53.3

20.2

35-75

B

14

57.8

15.3

25-80

5

56.8

23.5

25-80

3

65.0

8.7

60-75

3

56.7

10.4

45-65

3

53.3

10.4

45-65

C

14

47.9

19.3

10-70

5

54.0

25.4

10-70

3

41.7

7.6

35-50

3

40.3

27.4

16-70

3

51.7

7.6

45-60

D

14

50.7

18.2

25-70

5

58.4

20.6

25-75

3

40.0

13.2

30-55

3

45.0

26.5

25-75

3

54.3

5.1

50-60

E

14

53.6

19.1

25-75

5

62.0

18.9

35-80

3

40.0

21.8

25-65

3

50.0

26.0

35-80

3

56.7

2.9

55-60

F

10

61.3

16.5

35-85

3

57.3

21.1

35-77

2

55.5

7.8

50-61

2

60.0

28.3

40-80

3

70.0

13.2

60-85

G

11

68.8

18.4

30-90

4

62.5

25.0

30-90

2

77.5

3.5

75-80

2

78.0

17.0

66-90

3

65.3

18.5

45-81