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All Journal Delta-Pi : Jurnal Matematika dan Pendidikan Matematika Jurnal Pendidikan Ilmu Pengetahuan Alam (JP-IPA) OMEGA: Jurnal Keilmuan Pendidikan Matematika
Khaerani, Maryam
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Biochemistry, Genetics & Molecular Biology Chemistry Education Materials Science & Nanotechnology Mathematics Physics

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ANALISIS PENGARUH SISTEM BELAJAR LEMBUR TERHADAP KUALITAS TIDUR MAHASISWA UNIVERSITAS PENDIDIKAN INDONESIA KAMPUS PURWAKARTA Nooraisya, Aulia Mella Nooraisya; Syahbana, Luthfia Chairun Nisa Putri; Khaerani, Maryam; Lidia, Vanska; Manalu, Benardo; Putri, Hafiziani Eka
OMEGA: Jurnal Keilmuan Pendidikan Matematika Vol. 4 No. 2 (2025): OMEGA: Jurnal Keilmuan Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika, Fakultas Keguruan Dan Ilmu Pendidikan, Universitas Alwashliyah Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/jkpm.v4i2.982

Abstract

Studying overtime is a common habit among students, especially when facing deadlines for assignments and exams, which has the potential to affect health and negatively affect sleep quality. Continuous overtime study system will affect the quality of sleep of students resulting in physical and mental disorders. This situation will affect the academic decline, namely the results of the preparation of tasks to be less than optimal. Many students feel pressured by their academic load and daily activities, causing serious sleep disturbances. The large number of tasks that accumulate and the continuous overtime study system will affect the quality of student sleep, resulting in physical and mental balance disorders. This situation will affect academic decline, namely learning outcomes and assignments become less than optimal. This study aims to analyze the effect of overtime learning system on the quality of sleep of students of Universitas Pendidikan Indonesia Purwakarta Campus. The research we conducted used a quantitative approach by conducting a survey of 50 students from various study programs. Data were analyzed using normality, homogeneity and wilxocon tests to identify the relationship between the influence of the overtime study system and sleep quality. The results show that there is a significant influence between the overtime study system and students' sleep quality, with disrupted sleep patterns and daytime fatigue leading to a decrease in students' concentration.
Pengembangan instrumen tes uraian yang valid dan reliabel untuk mengukur kemampuan berpikir kritis matematis siswa kelas V SD Rahayu, Teten Ginanjar; Nurussama, Alfiana; Putri, Hafiziani Eka; Salsabila, Resa Salma; Khaerani, Maryam; Manalu, Benardo
Delta-Pi: Jurnal Matematika dan Pendidikan Matematika Vol 14, No 1 (2025)
Publisher : Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/dpi.v14i1.9973

Abstract

Penelitian ini bertujuan untuk mengembangkan instrumen tes uraian yang valid, praktis, dan reliabel guna mengukur kemampuan berpikir kritis matematis serta hasil belajar matematika siswa kelas V sekolah dasar. Proses pengembangan instrumen mengikuti tahapan Research and Development (RD) dengan menggunakan model 4-D yang terdiri dari empat tahap utama, yaitu: Define (pendefinisian), Design (perancangan), Develop (pengembangan), dan Disseminate (penyebarluasan). Validasi instrumen dilakukan oleh tiga ahli di bidang pendidikan matematika, sedangkan uji coba diberikan kepada 33 siswa kelas V di salah satu SD. Kepraktisan instrumen dievaluasi melalui uji coba terbatas dengan melibatkan guru dan siswa, yang menilai aspek kemudahan penggunaan, dan kejelasan petunjuk. Hasil uji kepraktisan menunjukkan bahwa instrumen mudah digunakan oleh guru dalam proses penilaian dan dipahami oleh siswa tanpa menimbulkan kebingungan atau mengganggu jalannya pembelajaran. Analisis data dilakukan melalui uji validitas butir menggunakan korelasi Pearson dan uji reliabilitas dengan Alpha Cronbach. Hasil analisis menunjukkan bahwa semua butir instrumen memenuhi kriteria validitas dengan koefisien antara 0,45-0,82, serta reliabilitas instrumen mencapai 0,87 yang tergolong sangat baik. Berdasarkan hasil tersebut, instrumen tes uraian yang dikembangkan dinyatakan layak digunakan karena telah memenuhi kriteria valid, praktis, dan reliabel, sehingga dapat diandalkan sebagai alat ukur kemampuan berpikir kritis matematis dan hasil belajar matematika pada siswa SD.Kata kunci: Pengembangan Instrumen, Instrumen Penilaian; Matematika; Berpikir Kritis Matematis; Siswa Sekolah Dasar.
Efektivitas Model Cooperative Learning Team Games Tournament Berbantuan Media Ecopoly terhadap Hasil Belajar Kognitif Siswa Sekolah Dasar Fatmasari, Lilis; Saskia, Arina Zahra; Sasongko, Dzikri Anjar Susilo; Ananti, Marsha Isnaini; Khaerani, Maryam; Safitri, Meiliani Intan; Alindra, Afridha Laily
Jurnal Pendidikan Ilmu Pengetahuan Alam (JP-IPA) Vol 7, No 01 (2026): Februari 2026
Publisher : STKIP HARAPAN BIMA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56842/jp-ipa.v7i01.939

Abstract

This study was motivated by the importance of using appropriate instructional models and learning media to improve students’ learning outcomes in ecosystem topics. The purpose of this study was to analyze the effectiveness of the Cooperative Learning model of the Team Games Tournament (TGT) type assisted by Ecopoly game media in improving the cognitive learning outcomes of elementary school students. This study employed a One Group Pretest–Posttest design involving 24 fifth-grade students, consisting of 13 male and 11 female students. The instruments used were a test consisting of 10 items (5 multiple-choice questions and 5 essay questions) and documentation. Data were analyzed using a normality test, paired sample t-test, and N-Gain calculation. The results showed a significant difference between pretest and posttest scores (p 0.05), with an average N-Gain of 0.28, which falls into the low to moderate category. The highest achievement was found in the C1 (remembering) indicator, with an average posttest score of 86.95. These findings indicate that the TGT model assisted by Ecopoly media is effective in improving students’ cognitive learning outcomes, particularly in ecosystem material, in accordance with the cognitive developmental stage of elementary school-aged children.
Co-Authors Alindra, Afridha Laily Ananti, Marsha Isnaini Fatmasari, Lilis Hafiziani Eka Putri, Hafiziani Eka Lidia, Vanska Manalu, Benardo Nooraisya, Aulia Mella Nooraisya Nurussama, Alfiana Rahayu, Teten Ginanjar Safitri, Meiliani Intan Salsabila, Resa Salma Saskia, Arina Zahra Sasongko, Dzikri Anjar Susilo Syahbana, Luthfia Chairun Nisa Putri