الخصائص المؤثرة للمعلمين في تباين مستوى التحصيل الرياضي لدى طلاب الصف الثاني متوسط في المملكة العربية السعودية : دراسة مقارنة بين نتائج TIMSS 2015 و 2019

الملخص EN

The study aimed to reveal teachers' characteristics that affected the variation in the 8th grade students' mathematical achievement in the trends in international mathematics and Science Study TIMSS 2019 compared with the results of TIMSS 2015.

both (IDP-Analyzer & SPSS) were used in data extraction and analysis.

the total number of students participated in the 2015 session was (3759) students with an average achievement of (368) while the number of teachers was (149).

where, the number of teachers participating in the 2019 session was (222) teachers, and the number of students reached (5680) with an average achievement of (394).

in order to reveal such effects, ex post-facto and MR designs were used in the analysis.

regression analysis was used, which revealed that teachers' characteristics ex plained about (2%) of the variation in the mathematical achievement of students in both sessions.

the result of the T-test revealed that there were statistically significant differences attributed to the teach er's gender variable in favor of female students in both sessions.

the results of anova also confirmed the importance of teachers level of educational, as the results showed that students whose teachers have master's degrees outperform students in other groups, followed by a bachelor's degree in both sessions.

the result also, showed the importance of teaching experience, age and professional devel opment of the teacher in both sessions, while teachers' major did not show any effect in mathematics achievement in TIMSS in its 2015 session.