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MARGASMARTWASTE: DIGITALISASI DAN PEMBERDAYAAN BANK SAMPAH Tresnawati, Yuni; Anindita, Anindita; Rahmat, Abdul; Edwina Ima Khalid Bakhour, Alyssa; Ebenezer Pardede, Yosua
Martabe : Jurnal Pengabdian Kepada Masyarakat Vol 8, No 9 (2025): MARTABE : JURNAL PENGABDIAN KEPADA MASYARAKAT
Publisher : Universitas Muhammadiyah Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/jpm.v8i9.3835-3841

Abstract

Program Pengabdian kepada Masyarakat (PKM) Margasmartwaste bertujuan untuk meningkatkan efektivitas Bank Sampah di Desa Marga Mulya, Tangerang, melalui digitalisasi dan pemberdayaan masyarakat. Program ini dilakukan dengan metode sosialisasi, pelatihan, pendampingan, dan penerapan aplikasi digital 'Cuan dari Limbah'. Sebanyak 20 responden mengikuti kegiatan ini, menunjukkan peningkatan pengetahuan dan partisipasi dalam pengelolaan sampah. Rata-rata skor pre-test sebesar 2,03 turun menjadi 1,49 pada post-test, menandakan peningkatan signifikan dalam pemahaman. Evaluasi kegiatan menunjukkan tingkat kepuasan tinggi (rata-rata 7,80), dengan dampak langsung berupa peningkatan partisipasi masyarakat sebesar 40% dan penurunan volume sampah ke TPA sebesar 20%. Program ini berhasil memperkuat ekonomi sirkular, meningkatkan kesadaran lingkungan, dan mendorong keberlanjutan Bank Sampah berbasis teknologi digital.
Operationalizing dominant mathematical representations in real analysis through an open ended diagnostic Nursupiamin; Resnawati; Ikram, Muhammad; Rustan, Edhy; Rochaminah, Sutji; Sudarsana, I Wayan
Al-Jabar: Jurnal Pendidikan Matematika Vol 17 No 1 (2026): Al-Jabar : Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v17i1.29911

Abstract

Purpose: This study aims to develop an open-ended diagnostic test to identify pre-service mathematics teachers’ Dominant Mathematical Representations (DMR) in Real Analysis, with a specific focus on convergent sequences. Method: A Research and Development (R&D) approach was employed using Plomp’s development model, which includes preliminary research, prototyping, and assessment phases. The diagnostic instrument was constructed based on representational theory and consisted of six open-ended tasks designed to elicit representational choice, integration, and transferability. Content validity and linguistic clarity were evaluated by two mathematics education experts and one language expert. A limited field trial involving 19 pre-service mathematics teachers was conducted to examine the instrument’s validity and practicality. Data were collected through the diagnostic test, expert validation sheets, and a student response questionnaire, and analyzed descriptively using qualitative feedback and quantitative percentage-based indicators. Findings: The results indicate that the developed diagnostic test demonstrates strong content validity, with a mean validity score of 85.4%, classified as very valid. The practicality evaluation yielded a mean score of 83.7%, indicating that the instrument is very practical in terms of clarity, format, language, and time allocation. Expert review confirmed alignment between the test items and the DMR construct, while student responses indicated feasibility and comprehensibility. Significance: This study contributes to mathematics education assessment by operationalizing Dominant Mathematical Representations as an explicitly assessable construct through open-ended diagnostic tasks, providing a foundation for representation-sensitive instruction in Real Analysis.
EFEKTIVITAS RELAKSASI DZIKIR DALAM MENURUNKAN INTENSITAS NYERI PERSALINAN KALA I Yunita, Ike; Susanti, Wiji; Resnawati, Resnawati; Putri, Arini Serda; Jayanti, Nisa Sri; Damayanti, Fegi
Jurnal Kesehatan Tambusai Vol. 7 No. 1 (2026): MARET 2026
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jkt.v7i1.55969

Abstract

Nyeri yang berat dapat memicu respons stres yang kuat, meningkatkan stimulasi saraf simpatetik, merangsang pelepasan hormon stres seperti adrenalin dan kortisol, serta meningkatkan kecemasan ibu secara signifikan. Tujuan penelitian untuk mengetahui efektivitas relaksasi dzikir dalam menurunkan intensitas nyeri persalinan kala I. Jenis penelitian kuantitatif dengan desain penelitian one group pretest post test without control. Penelitian dilaksanakan pada bulan Juli 2025 di wilayah kerja Puskesmas Leuwiliang Kabupaten Bogor. Populasi penelitian adalah seluruh ibu hamil di wilayah kerja Puskesmas Leuwiliang Kabupaten Bogor sebanyak 40 ibu hamil. Metode pengambilan sampel penelitian menggunakan sampling jenuh/sensus, sehingga besar sampel sebanyak 40 responden. Instrumen penelitian menggunakan Numerical Rating Scale. Uji hipotesis yang digunakan dalam penelitian ini adalah paired sample t-test. Hasil penelitian menunjukkan sebelum intervensi, rerata intensitas nyeri berada pada kategori nyeri berat (mean 8,47), sedangkan setelah diberikan relaksasi dzikir, rerata intensitas nyeri menurun secara bermakna menjadi nyeri sedang mendekati ringan (mean 3,97). Perbedaan ini didukung oleh hasil uji statistik dengan nilai p < 0,05, yang menunjukkan adanya perbedaan signifikan antara intensitas nyeri sebelum dan sesudah intervensi. Penurunan intensitas nyeri ini mencerminkan bahwa relaksasi dzikir mampu meningkatkan kenyamanan ibu bersalin melalui mekanisme relaksasi psikologis dan spiritual, yang berperan dalam menurunkan kecemasan dan meningkatkan kemampuan koping terhadap nyeri persalinan. Bidan diharapkan dapat memberikan edukasi dan pendampingan relaksasi dzikir sejak masa antenatal untuk meningkatkan kesiapan ibu menghadapi persalinan.
Classification of weather events in Lahat regency using the K-Nearest Neighbor method Kresnawati, Endang Sri; Resti, Yulia; Eliyati, Ning; Zayanti, Des Alwine; Dewi, Novi Rustiana; Yani, Irsyadi
Bulletin of Applied Mathematics and Mathematics Education Vol. 5 No. 2 (2025)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/bamme.v5i2.14613

Abstract

Weather event classification in a region is very important for various purposes, such as in the fields of transportation, health, agriculture, and others. Lahat has varying land elevations ranging from 26-106 meters above sea level in the East Merapi sub-district to 341-3032 meters above sea level in the Tanjung Sakti Pumi sub-district. It greatly affects local temperature, rainfall, and atmospheric pressure, which in turn affects the distribution of weather patterns and disasters such as floods. KNN is a prediction method that uses the concept of distance for a number of k nearest observations in determining the similarity between observations. Several metrics can be used for this prediction purpose. This study aims to predict weather events in Lahat Regency using the KNN method with several different distance metrics and then compare them to obtain the performance of the KNN prediction method. The results show that the Euclidean distance metric used in the KNN method has a better performance measurement, followed by the Manhattan and Minkowski metrics. In the Euclidean metric, the accuracy, precision, recall, f1-score, AUC, and MC value are 92.69%, 88.21%, 85.81%, 86.99%, 88.99%, and 76.37%, respectively.