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All Journal International Journal of Evaluation and Research in Education (IJERE) Tadbir: Jurnal Manajemen Pendidikan Islam JTAM (Jurnal Teori dan Aplikasi Matematika) JISAE (Journal of Indonesian Student Assesment and Evaluation) Abdimasku : Jurnal Pengabdian Masyarakat Realita : Jurnal Bimbingan dan Konseling Arus Jurnal Pendidikan Arus Jurnal Sosial dan Humaniora Journal of Educational Analytics JME (Journal of Mathematics Education) JBK (Jurnal Bimbingan dan Konseling)
Iriyadi, Deni
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Religion Humanities Computer Science & IT Economics, Econometrics & Finance Education Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Social Sciences Other

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Journal : JTAM (Jurnal Teori dan Aplikasi Matematika)

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Equating by Using Circle Equation Approach: Applied Mathematics Formula for Prevent Discrimination Iriyadi, Deni; Rustam, Ahmad; Hartati, Hevriana
JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 8, No 3 (2024): July
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jtam.v8i3.22195

Abstract

This study aims to determine the accuracy of the equating method that uses a circle equation approach in terms of its circular arc (Simplified Circle Arc). This research uses 2015 National Examination data from two questions packages. Using the number of preliminary samples as many as 2135 on the X and 2271 test devices on the Y test. After doing a Rasch analysis using a Mean Square Outfit (MNSQ), the data was acquired and analyzed. Following this, replication was performed up to a maximum of 50 times for each kind of data distribution. For each replication, up to a maximum of 50 respondents were selected from the original data set to be used as data for score equalization. The Root Mean Square Error (RMSE) statistic is then used to analyze the outcomes of the equating score. The results showed that the average RMSE group that has the same distribution will provide a lower RMSE value compared to groups that have different data distributions. The low average RMSE value indicates the accuracy of the equal of the scores performed. Thus, the use of the SCA method is highly recommended to equalize scores, especially in small samples in classes at school to prevent discrimination in grading.
Co-Authors Afriadi, Bambang Ahmad Ahmad arif Asdar, Ahsanul Khair Cecep Nikmatullah, Cecep Dimas Zuhri Ahmad Ekadayanti, Waode Fauzi, Asep hartati, Hevriana Husain, Itsnain Alfajri Islamiah, Raih Khairunnisa Kusuma Wardana, Zahra MUHAJIR Rosifah, Rosi Samad, Mohammad Ardani Sari, Wiwin Rita Sarta Sasmin, Sasmin Syaputra, Yogi Damai Zohriah, Anis