Carol is a mother of three children. her day-to-day responsibilities as a mother involve preparing food for her children, with their homework, and dropping them at school. due to the wide range of responsibilities, she often finds it difficult to devote equal time to all three children. this is an example of a

role strain

Explanation:

Role strain -  

It is the condition , where the person has difficulty with the performing all the roles of his or her life with full devotion , is referred to as role strain.  

In this situation , the person is not able to perform all the task at a particular period of life , because of the workload.

Hence , from the question, Carol being mother of three children is sometimes not able to deal with her children equally and efficiently.