مقارنة بين مداخل الكشف عن تحيز المفردات لإختبار timss للرياضيات في البيئة المصرية
The study aimed that comprise the item bias approaches of achievement tests. Analytical descriptive approach had been used. TIMSS 2007, and TIMSS 2015 data archive had been used. The uniform differential item functioning methods used to test the item bias. The study comprises between ANCOVA and Multiple regression. The finding was the Alg2 item was biased in Algebra dimension.