If you are feeling stressed out and overwhelmed by a full schedule of classes and work, dropping a class to lighten your load would be an example of coping.

Problem-focused

Explanation:

In psychology coping with stress refers to the process in which one consciously attempts to master, minimize or tolerate stressors and problems in life.

Problem focused coping, the affected person targets the cause of stress in practical ways and alters it.

In our case, the cause of stress is an overwhelming full schedule of classes and work.

By dropping a class is an example of problem-focused coping.