Occupation: Bridge and Lock Tenders
Task: Move levers to activate traffic signals, navigation lights, and alarms.

Scale: Frequency of Task (Categories 1-7)
Category: 1
Value: 0 (N=27)
Source: Occupational Expert, 07/2005

Scale: Frequency of Task (Categories 1-7)
Category: 2
Value: 0 (N=27)
Source: Occupational Expert, 07/2005

Scale: Frequency of Task (Categories 1-7)
Category: 3
Value: 0 (N=27)
Source: Occupational Expert, 07/2005

Scale: Frequency of Task (Categories 1-7)
Category: 4
Value: 0 (N=27)
Source: Occupational Expert, 07/2005

Scale: Frequency of Task (Categories 1-7)
Category: 5
Value: 33.33 (N=27)
Source: Occupational Expert, 07/2005

Scale: Frequency of Task (Categories 1-7)
Category: 6
Value: 18.52 (N=27)
Source: Occupational Expert, 07/2005

Scale: Frequency of Task (Categories 1-7)
Category: 7
Value: 48.15 (N=27)
Source: Occupational Expert, 07/2005

Scale: Importance
Value: 4.8 (N=25)
Source: Occupational Expert, 07/2005

Scale: Relevance of Task
Value: 93.1 (N=29)
Source: Occupational Expert, 07/2005