Answer:
delayed adulthood
Step-by-step explanation:
Delayed adulthood: In psychology, the term "delayed adulthood" refers to a specific condition in which an individual's capability of carrying out specific functions with respect to his or her age is being late i.e, he or she lacks or is being late at experiencing "traditional milestone" for example, marrying, getting the job, having children, etc.
Example: An individual who tends to live with his or her parents' home lately with respect to age.
In the question above, sociologists would likely refer to Lacey's stage of development as delayed adulthood.