In 1924 Mount Holyoke promoted her to Associate Professor, but Hazlett was dedicated to research in algebra and she was unhappy with the many classes she had to teach leaving her little time for research.
Sa 1924 Mount Holyoke itaas sa kanyang Associate Professor, ngunit Hazlett ay alay sa pananaliksik sa algebra at siya ay nasisiyahan sa maraming klase siya had sa turuan iiwan ng kanyang maliit na oras para sa pananaliksik.