Kelley has taken on extra responsibilities at work that have caused her more stress than she had expected. her decision to return to her normal workload would be an example of cognitive reappraisal. problem-focused coping. emotion-focused coping. using a defense mechanism.

Her decision to return to her normal workload would be an example of "problem-focused coping".

Explanation:

Everyone have its own way of dealing with stress, some people search for ways to to reduce the stress and some people look for the reasons behind the stress. The way to reduce the stress by focusing on the root cause of stress is known as problem focused coping. By using this technique we can reduce the stress which is causing problem for us.