An anthropology professor over the age of 50 took a year of leave, and spent the year undercover as a student at her college. She did not take classes in her own department, but instead signed up, attended classes, took exams, and wrote papers just like any other freshmen. She lived in the dorm for a year. At the end of a year, she wrote a book entitled My Freshman Year which details her findings. In reporting the research methodology of her study, what methodological strengths and weaknesses should the anthropology professor address?