Occupation: Heavy and Tractor-Trailer Truck Drivers
Task: Couple or uncouple trailers by changing trailer jack positions, connecting or disconnecting air or electrical lines, or manipulating fifth-wheel locks.

Scale: Frequency of Task (Categories 1-7)
Category: 1
Value: 1.7 (N=179)
Source: Incumbent, 07/2014

Scale: Frequency of Task (Categories 1-7)
Category: 2
Value: 3.5 (N=179)
Source: Incumbent, 07/2014

Scale: Frequency of Task (Categories 1-7)
Category: 3
Value: 12.09 (N=179)
Source: Incumbent, 07/2014

Scale: Frequency of Task (Categories 1-7)
Category: 4
Value: 25.8 (N=179)
Source: Incumbent, 07/2014

Scale: Frequency of Task (Categories 1-7)
Category: 5
Value: 41.11 (N=179)
Source: Incumbent, 07/2014

Scale: Frequency of Task (Categories 1-7)
Category: 6
Value: 10.77 (N=179)
Source: Incumbent, 07/2014

Scale: Frequency of Task (Categories 1-7)
Category: 7
Value: 5.03 (N=179)
Source: Incumbent, 07/2014

Scale: Importance
Value: 4.15 (N=186)
Source: Incumbent, 07/2014

Scale: Relevance of Task
Value: 83.77 (N=228)
Source: Incumbent, 07/2014