Sariah Is a Production Supervisor

Sariah is a production supervisor. She feels that her current position does not allow her to demonstrate her knowledge and s. Zachary is a chemist who is frustrated by his supervisor's expectations. Although Zachary specializes in one category of chemical compounds, his supervisor expects him to know three other categories of chemical compounds. Both Sariah and Zachary are frustrated. Based on Albrecht's research on stress in the workplace, which variable would best describe their collective frustration?

A) clarity of job description and evaluation criteria
B) accountability
C) physical variables
D) mental challenge