On September 17, 2025, at 16:00, the defense of the dissertation by Aygun Bakikhan gizi Verdiyeva was held at the FD 2.49 Dissertation Council operating at Khazar University. The dissertation, titled "The System of Student Achievement Assessment in Higher Education Institutions," was submitted for the degree of Doctor of Philosophy in Pedagogy, in the specialty 5802.01 – "General Pedagogy, History of Pedagogy and Education."

The result of the secret ballot for awarding candidate Aygun Verdiyeva the scientific degree of Doctor of Philosophy in the respective specialty was deemed positive.