On Wednesday, 11/18/2020, a master's thesis submitted by the researcher / Mohamed Salah Toeima entitled "The Causal Model of Some Factors Associated with the Efficiency of Cochlear Implantation in Children" was discussed. The committee was chaired by Prof. Abdel-Rahman Sayed Suleiman, Professor of Special Education and Former Head of the Department of the Faculty of Education, Ain Shams University, as a discussion, and the membership of each of Prof. Iman Fouad Kashef, Professor of Special Education and Former Vice-Dean of the Faculty of Sciences for People with Disabilities and Rehabilitation, as a discussion, Prof. Ihab Al-Beblawi, Professor of Special Education, was a supervisor, and the researcher granted a master's degree with an excellent grade.