Occupation: Railroad Brake, Signal, and Switch Operators
Task: Adjust controls to regulate air-conditioning, heating, and lighting on trains for comfort of passengers.

Scale: Frequency of Task (Categories 1-7)
Category: 1
Value: 0.87 (N=13)
Source: Incumbent, 06/2007

Scale: Frequency of Task (Categories 1-7)
Category: 2
Value: 20.05 (N=13)
Source: Incumbent, 06/2007

Scale: Frequency of Task (Categories 1-7)
Category: 3
Value: 17.83 (N=13)
Source: Incumbent, 06/2007

Scale: Frequency of Task (Categories 1-7)
Category: 4
Value: 0 (N=13)
Source: Incumbent, 06/2007

Scale: Frequency of Task (Categories 1-7)
Category: 5
Value: 31.49 (N=13)
Source: Incumbent, 06/2007

Scale: Frequency of Task (Categories 1-7)
Category: 6
Value: 0 (N=13)
Source: Incumbent, 06/2007

Scale: Frequency of Task (Categories 1-7)
Category: 7
Value: 29.76 (N=13)
Source: Incumbent, 06/2007

Scale: Importance
Value: 3.76 (N=15)
Source: Incumbent, 06/2007

Scale: Relevance of Task
Value: 10.61 (N=123)
Source: Incumbent, 06/2007