Erna Setiarini. NIM: 1901059015. The Reliability of the English Summative Test for the Second Semester Students of 2020 – 2021 in SMPN 18. A paper, Jakarta: The study Programme of English Education. The School of the Teacher Training and Education. The University of Muhammadiyah Prof. Dr. Hamka. Jakarta, 2021. The objective of the research was to get the result between first test and second …