Answer to Question 1
Skill variety is the extent to which a job requires a worker to use a number of different skills, abilities, or talents. Task identity is the extent to which a job involves performing a whole piece of work from its beginning to its end. Task significance is the extent to which a job has an impact on the lives or work of other people in or out of the organization. Autonomy is the degree to which a job allows a worker the freedom and independence to schedule work and to decide how to carry it out. Feedback is the extent to which performing the job provides a worker with clear information about his/her effectiveness.
The motivating potential score is calculated as follows:
Autonomy Feedback = MPS
Answer to Question 2
D