Analisis Validitas, Reliabilitas, Tingkat Kesulitan dan Daya Beda Butir Soal Ujian Akhir Semester Tema 7 Kelas III SDN Karet 1 Sepatan
This study aims to (1) determine the quality items for the Fourth Semester Final Exam in the thematic subjects for the 7-year 2020/2021 academic year in terms of validity, reliability, level of difficulty, and distinguishing power, (2) create a program form to calculate validity, reliability, Level of difficulty and distinguishing power. The research method used is quantitative descriptive technique and documentation technique. The data consists of 20 student answer sheets for social class IV for the 2020/2021 academic year. The data were analyzed using several formulas for validity, reliability, difficulty level, power differentiation and the use of IBM SPSS Statistics25 software. The results showed that 16 questions (80%) were valid and 4 questions (20%) were invalid. The reliability of the item is quite good where the value of the reliability coefficient r_11> rtable is 0.4438 based on three formulas, namely Anova Hoyt, Cronbach alpha and IBM SPSS Statistics 25. The level of difficulty of the item is not good because the item balance includes easy, medium and difficult media, disproportionately, balance the proportion is 3-5-2 or 3-4-3. The discriminatory power of item items in the good category is 1 question or 5%, the questions in the good category are 9 questions or 45%, the questions in the sufficient category are about 4 questions or 20%, the questions in the poor category are about 5 questions or 25% and Questions that are categorized as less good have 1 question or 5%.