Job design option 2

Job design option 2 requires Jackson to work on the same assembly line. Now, however, a circuit board comes to his station every 12 minutes, and he performs a greater number of tasks. He adds several pieces to the board, adds a frame and installs several electric switches. Periodically, Jackson changes stations with one of the other workers and does a different set of tasks on earlier or later stages of the same circuit board. In all other respects, the work setting is the same as in the first job described.
Is this an example of:
- job simplification
- job enlargement
- job rotation
- both b and c?
The answer is d. This is an example of both job enlargement and job rotation.