A nurse on a medical/surgical unit has made the same medication error two days i

A nurse on a medical/surgical unit has made the same medication error two days in a row. As the nurse manager, describe how you would decide whether this is a systems problem, or a problem related to the individual nurse. In either case, explain how you (the manager) should correct the problem.
Minimum 250  words.  
References and citations should be scholarly, peer-reviewed (no blogs, WIKI, or other school of nursing website) written in Current APA Style