Occupation: Bridge and Lock Tenders
Task: Observe position and progress of vessels to ensure best utilization of lock spaces or bridge opening spaces.

Scale: Frequency of Task (Categories 1-7)
Category: 1
Value: 0 (N=28)
Source: Occupational Expert, 07/2005

Scale: Frequency of Task (Categories 1-7)
Category: 2
Value: 0 (N=28)
Source: Occupational Expert, 07/2005

Scale: Frequency of Task (Categories 1-7)
Category: 3
Value: 0 (N=28)
Source: Occupational Expert, 07/2005

Scale: Frequency of Task (Categories 1-7)
Category: 4
Value: 0 (N=28)
Source: Occupational Expert, 07/2005

Scale: Frequency of Task (Categories 1-7)
Category: 5
Value: 32.14 (N=28)
Source: Occupational Expert, 07/2005

Scale: Frequency of Task (Categories 1-7)
Category: 6
Value: 17.86 (N=28)
Source: Occupational Expert, 07/2005

Scale: Frequency of Task (Categories 1-7)
Category: 7
Value: 50 (N=28)
Source: Occupational Expert, 07/2005

Scale: Importance
Value: 4.41 (N=29)
Source: Occupational Expert, 07/2005

Scale: Relevance of Task
Value: 100 (N=29)
Source: Occupational Expert, 07/2005