Evaluating the Effectiveness of Arabic Language Summative Tests in Senior High Schools: A Comprehensive Analysis

The aims of this study is to describe the validity, reliability, difficulty level, differentiation power and effectiveness of the Examination of Arabic language Sumative Test Items for Class X Students of Al-Mumtaz IT Senior High School. This research uses a quantitative approach. The data obtained were analyzed using IBM SPSS statistics 23. The subjects of this study were class X students totaling 29 students. The results of the analysis of 30 multiple choice questions showed that from the validity aspect it was found that 67% were valid and 33% were invalid. From the reliability aspect, it was found that the reliability level of the items was high, namely the r coefficient of 0.864. From the aspect of difficulty level, it was found that about 63% of the items were easy, about 37% of the items were moderate. From the aspect of distinguishing power, it was found that about 60% of the items were good, about 27% of the items were not good, about 13% of the items were quite good. And from the aspect of eliminators it was found that about 56% were accepted, about 26% were rejected and about 17% were revised.