Occupation: Bridge and Lock Tenders
Task: Turn valves to increase or decrease water levels in locks.

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

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

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

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

Scale: Frequency of Task (Categories 1-7)
Category: 5
Value: 28.57 (N=7)
Source: Occupational Expert, 07/2005

Scale: Frequency of Task (Categories 1-7)
Category: 6
Value: 28.57 (N=7)
Source: Occupational Expert, 07/2005

Scale: Frequency of Task (Categories 1-7)
Category: 7
Value: 42.86 (N=7)
Source: Occupational Expert, 07/2005

Scale: Importance
Value: 4.71 (N=7)
Source: Occupational Expert, 07/2005

Scale: Relevance of Task
Value: 25.93 (N=27)
Source: Occupational Expert, 07/2005