Answer:
a. Her need for responsibility is not being met.
Step-by-step explanation:
The work adjustment theory also known as the discrepancy theory suggests that an individuals job satisfaction comes from not only the fulfillment of their needs but from what they feel as important. Based on the work adjustment theory, For Barbara, her need for control/responsibility over her job and the children she teaches without constant monitoring from the principal will give her more satisfaction and the absence of this is the reason for her lack of satisfaction in the job.