Occupation: Railroad Brake, Signal, and Switch Operators
Task: Receive oral or written instructions from yardmasters or yard conductors indicating track assignments and cars to be switched.

Scale: Frequency of Task (Categories 1-7)
Category: 1
Value: 0.3 (N=120)
Source: Incumbent, 06/2007

Scale: Frequency of Task (Categories 1-7)
Category: 2
Value: 0 (N=120)
Source: Incumbent, 06/2007

Scale: Frequency of Task (Categories 1-7)
Category: 3
Value: 3.68 (N=120)
Source: Incumbent, 06/2007

Scale: Frequency of Task (Categories 1-7)
Category: 4
Value: 3.19 (N=120)
Source: Incumbent, 06/2007

Scale: Frequency of Task (Categories 1-7)
Category: 5
Value: 23.73 (N=120)
Source: Incumbent, 06/2007

Scale: Frequency of Task (Categories 1-7)
Category: 6
Value: 31.65 (N=120)
Source: Incumbent, 06/2007

Scale: Frequency of Task (Categories 1-7)
Category: 7
Value: 37.46 (N=120)
Source: Incumbent, 06/2007

Scale: Importance
Value: 4.38 (N=120)
Source: Incumbent, 06/2007

Scale: Relevance of Task
Value: 99.8 (N=123)
Source: Incumbent, 06/2007