A Supervisor hopes to improve the performance of staff by decreasing the average time spent on a call. Firstly, she sets up a performance board where the average length of a call for the previous week is posted and compared to the average call length for the previous week. She then encourages the staff to reduce the average call. According to goal setting theory, how could the Supervisor improve this scheme? Question 6 Answer a. She should make the goal more elaborate b. She should make the goal