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Karakteristik Instrumen Literasi Matematika Pada Konten Geometri dan Pengukuran Ditinjau Dari Perspektif Item Response Theory Nursetyani, Wulan; Susanto, Hari Purnomo; Qudsiyah, Khoirul
Jurnal Edumatic: Jurnal Pendidikan Matematika Vol 6 No 2 (2025): Jurnal Edumatic: Jurnal Pendidikan Matematika
Publisher : Program Studi Pendidikan matematika STKIP PGRI Pacitan STKIP PGRI Pacitan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21137/edumatic.v6i2.1694

Abstract

The research aims to determine the characteristics of mathematical literacy instruments in geometry and measurement content reviewed from the perspective of item response theory. The type of research used is quantitative description. The study subjects were 235 students in grade VIII of junior high school in Pacitan Regency, with details of 108 male students and 127 female students. Item analysis was carried out using IRT. The calculation uses the R program with the help of the mirt package. The study results showed that the mathematics literacy instruments, geometry content, and measurement characteristics were by the 1 PL model. Furthermore, from 8 question items, 7 items were fit and 1 item was not fit. One item that is not fit is item number 7, so the item must be removed. Mathematical literacy instruments in geometry and measurement content consisted of 14.29% of medium category questions and 85.71% of difficult category questions. The instrument is suitable for measuring students who have abilities ranging from -0.78 to 2.85.
ANALISIS HUBUNGAN HASIL BELAJAR GEOMETRI BIDANG DENGAN KEMAMPUAN ANALITIS MAHASISWA PADA MATA KULIAH GEOMETRI ANALITIK BIDANG Susanto, Hari Purnomo; Meifiani, Nely Indra; Hidayat, Taufik
Media Pendidikan Matematika Vol. 5 No. 2 (2017)
Publisher : Universitas Pendidikan Mandalika (UNDIKMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/mpm.v5i2.1472

Abstract

This article is a result of research that aims to determine the correlation between students' geometry learning outcomes with analytical ability in the eyes of analytic geometry. This research is a correlational research. the study was conducted at STKIP PGRI Pacitan, where the population is a mathematics education students who is taking analytical geometry courses. Data were taken from 21 students, with test technique, documentation and interview. Data analysis was done by using simple linear regression analysis concept and its calculation using SPSS 16. Based on data analysis, it was found that the result of geometry of field study had positive correlation with students' analytical thinking ability. The relationship falls into the medium category, and the learning outcomes have a predictor contribution to students' analytical ability of 22.5%.