Occupation: Railroad Brake, Signal, and Switch Operators
Task: Refuel and lubricate engines.

Scale: Frequency of Task (Categories 1-7)
Category: 1
Value: 1.66 (N=52)
Source: Incumbent, 06/2007

Scale: Frequency of Task (Categories 1-7)
Category: 2
Value: 22.57 (N=52)
Source: Incumbent, 06/2007

Scale: Frequency of Task (Categories 1-7)
Category: 3
Value: 13.79 (N=52)
Source: Incumbent, 06/2007

Scale: Frequency of Task (Categories 1-7)
Category: 4
Value: 17.09 (N=52)
Source: Incumbent, 06/2007

Scale: Frequency of Task (Categories 1-7)
Category: 5
Value: 42.9 (N=52)
Source: Incumbent, 06/2007

Scale: Frequency of Task (Categories 1-7)
Category: 6
Value: 0.75 (N=52)
Source: Incumbent, 06/2007

Scale: Frequency of Task (Categories 1-7)
Category: 7
Value: 1.24 (N=52)
Source: Incumbent, 06/2007

Scale: Importance
Value: 4.15 (N=55)
Source: Incumbent, 06/2007

Scale: Relevance of Task
Value: 28.34 (N=122)
Source: Incumbent, 06/2007