The approval of the Department of Psychology on 9/6/2019 on the formation of the discussion and judgment committee for the researcher / Adel Samir Mohammed, the assistant lecturer in the department and the registrar of the degree of philosophy of education in the field of "educational psychology" entitled "Effect of the number of categories of Likert scale on the results of the empirical analysis of measurements Trends According to the ladder ladder model of the " The discussion and judgment committee consists of the following:1- Dr. Anwar Riad Abdel-Raheem as Chairman and Discussant Professor of Educational Psychology and Dean of the Faculty of Education - Minia University2. Dr. Imam Mostafa Sayed as a member and supervisor Professor of Educational Psychology, Faculty of Education, Assiut University 3. Prof. Abdel-Moneim Ahmed El-Dardair Member and discussion Professor of Educational Psychology and Dean of the Faculty of Education in the former Qena - South Valley University 4. Dr. Ali Ahmed Sayed Mostafa as a member and supervisor Professor of Educational Psychology, Faculty of Education, Assiut University 5. Dr. Emad Ahmed Hassan Ali as a member and supervisor Professor of Educational Psychology and Vice Dean for Community Service and Environmental Development Faculty of Education, Assiut University