A new manager has just arrived at your firm, and she has just finished taking an operations management class. Your company produces widgets on a moving assembly line. Most of the employees are specialized on one specific task on the assembly line, and they are good at performing their assigned task. However, as she walks around the production floor, she notices that many of the employees do not seem to be very satisfied with their job. She has a great idea on how to improve the quality of work life and thinks that the employees should be allowed to move from one specialized job to another.

These characteristics are typical of which of the components of job design?