karima mohamed. "the current research is to identify the treatment of deficiencies in the achievement of graduate students (educational diploma) with a perfectionism( normal, Neurotic) at the Faculty of Education in the course of the use of technology in teaching, and how to benefit from them in developing the motivation to achieve their achievement, through: Determining the most appropriate timing for the emergence Leaderboard (during activities - after activities)", المجلة التربوية لکلية التربية بسوهاج, 75, 75, 2020, 1415-1507. doi: 10.21608/edusohag.2020.97636