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All Journal PYTHAGORAS: Jurnal Program Studi Pendidikan Matematika Pendas : Jurnah Ilmiah Pendidikan Dasar Pendekar : Jurnal Pendidikan Berkarakter Journal on Education Jurnal Abdimas Mahakam MES: Journal of Mathematics Education and Science JURNAL PEMBELAJARAN DAN MATEMATIKA SIGMA (JPMS) Ideas: Jurnal Pendidikan, Sosial dan Budaya PHI: Jurnal Pendidikan Matematika FARABI: Jurnal Matematika dan Pendidikan Matematika PUCUK REBUNG: Jurnal Pengabdian kepada Masyarakat PEDAGOGI: Jurnal Ilmiah Pendidikan Dedikasi: Jurnal Pengabdian Kepada Masyarakat OMEGA: Jurnal Keilmuan Pendidikan Matematika Jaliye: Jurnal Abdimas, Loyalitas, dan Edukasi
Simamora, Minta Ito
Universitas Al-Wasliyah Medan
Religion Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Public Health Social Sciences Other

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Journal : MES: Journal of Mathematics Education and Science

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ANALISIS VALIDITAS, RELIABILITAS, INDEKS KESUKARAN DAN DAYA PEMBEDA INSTRUMEN TES KEMAMPUAN NUMERASI BERBASIS ETNOMATEMATIKA Simamora, Yumira Mira; Simamora, Minta Ito
MES: Journal of Mathematics Education and Science Vol 10, No 2 (2025): Edisi April
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v10i2.11389

Abstract

This research is part of an experimental study using Problem Based Learning model to improve junior high school students' mathematical numeracy skills based on ethnomathematics. The purpose of this study is to determine the level of Validity, Reliability, Difficulty Index, and Discriminatory Power of the ethnomathematics-based numeracy ability test instrument for junior high school students. The instrument used was in the form of essay test questions from pretest and posttest questions. The calculation of validity, reliability, difficulty index, and discriminatory power used IBM SPSS Statistics 20. The results of this study showed that the pretest and posttest questions were valid with sig (2-tailed) values 0.05. The calculation results of the pretest questions showed that the essay question instrument fell into the reliable category, because the calculation result obtained was 0.690, making it suitable for use as an instrument for data collection. The difficulty level of pretest and posttest questions fell into the easy and moderate categories. The discriminatory power criteria of the questions were moderate and good. Based on these research results, the ethnomathematics-based student numeracy ability test instrument is suitable for use.
Co-Authors Andi Syahputra Harahap ANDRIANI, KIKI Anggita, Nabila Apriani, Irfa Aurellia, Clarine Diana Jalila Nasution Dini Astika Fitri, Syah Harahap, Yenni Novita Israq Maharani Khairunnisa, Novia Khoiruddin Matondang Khoiruddin Matondang Kholiza, Afni Lisa Monica Wau Lubis, Atipah Lubis, Ulfa Annisa Minarti Juliana Najwah Rokan Najwah Rokan Nasution, Feny Meyla Nawangsih, Khairin Nur Rahmi Rizqi Nurhayati Nurhayati Putri, Jihan Hidayah Rina Sari Risna Mira Bella Saragih Sari, Herni Mayang Setyawati, Ririen Siswadi Siti Fatimah Zahara Sri Mariani Suci Rahmadani Syabani, Zakia Syarah, Fatmah Tiara Simanjuntak Ulfa Annisa Lubis Yani, Eka Putri Yani, Juliandri Yulia Hafni Yumira Simamora Yusnika, Yusnika