Answer: relaxed change
Explanation: In simple words, it refers to a situation when a manager knows that he or she is stuck in an unavoidable issue but rather than facing it he or she chooses the second best alternative that involves low risk.
In the given case, Dwight knew that substance abuse with an employee is a serious issue but rather than facing it on his won he decided to put it into his subordinate.
Thus, the given case is an example of relaxed change.