Occupation: Subway and Streetcar Operators
Task: Monitor lights indicating obstructions or other trains ahead and watch for car and truck traffic at crossings to stay alert to potential hazards.

Scale: Frequency of Task (Categories 1-7)
Category: 1
Value: 0 (N=179)
Source: Incumbent, 12/2006

Scale: Frequency of Task (Categories 1-7)
Category: 2
Value: 0.38 (N=179)
Source: Incumbent, 12/2006

Scale: Frequency of Task (Categories 1-7)
Category: 3
Value: 0 (N=179)
Source: Incumbent, 12/2006

Scale: Frequency of Task (Categories 1-7)
Category: 4
Value: 0.95 (N=179)
Source: Incumbent, 12/2006

Scale: Frequency of Task (Categories 1-7)
Category: 5
Value: 9.33 (N=179)
Source: Incumbent, 12/2006

Scale: Frequency of Task (Categories 1-7)
Category: 6
Value: 8.6 (N=179)
Source: Incumbent, 12/2006

Scale: Frequency of Task (Categories 1-7)
Category: 7
Value: 80.74 (N=179)
Source: Incumbent, 12/2006

Scale: Importance
Value: 4.82 (N=188)
Source: Incumbent, 12/2006

Scale: Relevance of Task
Value: 94.52 (N=198)
Source: Incumbent, 12/2006