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All Journal International Journal of Evaluation and Research in Education (IJERE) Jurnal Pendidikan Karakter Cakrawala Pendidikan AL KAUNIYAH Biosfer: Jurnal Tadris Biologi Mozaik Humaniora Al-Jabar : Jurnal Pendidikan Matematika Biosfer: Jurnal Pendidikan Biologi Jurnal SOLMA Voices of English Language Education Society JPBIO (Jurnal Pendidikan Biologi) Jurnal Abdi: Media Pengabdian Kepada Masyarakat Bubungan Tinggi: Jurnal Pengabdian Masyarakat Community Development Journal: Jurnal Pengabdian Masyarakat Jurnal Sistem Informasi dan Sains Teknologi Journal of Applied Data Sciences Bioscientist : Jurnal Ilmiah Biologi Scriptura: Jurnal Ilmiah Komunikasi Innovative: Journal Of Social Science Research MDP Student Conference Jurnal Edukasi Biologi Prosiding Temu Ilmiah Nasional Guru Journal of Environment and Sustainability Education Biodik: Jurnal Ilmiah Pendidikan Biologi AL QUWWAH : Jurnal Pengabdian Masyarakat Jurnal Sistem Informasi, Manajemen dan Teknologi Informasi
Meilinda Meilinda
English Department, Faculty of Letters, Petra Christian University, Surabaya, Indonesia
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Other

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Sentiment and Emotion Classification Model Using Hybrid Textual and Numerical Features: A Case Study of Mental Health Counseling Ramayanti, Indri; Hermawan, Latius; Syakurah, Rizma Adlia; Stiawan, Deris; Meilinda, Meilinda; Negara, Edi Surya; Fahmi, Muhammad; Ghiffari, Ahmad; Rizqie, Muhammad Qurhanul
Journal of Applied Data Sciences Vol 6, No 3: September 2025
Publisher : Bright Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47738/jads.v6i3.632

Abstract

Mental health issues among individuals, particularly in counseling contexts, require practical tools to understand and address emotional states. This study explores the application of machine learning models for emotion detection in mental health counseling conversations, focusing on four algorithms: Bernoulli Naive Bayes, Decision Tree, Logistic Regression, and Random Forest. The dataset, derived from transcribed counseling sessions, underwent preprocessing, including stemming, stopword removal, and TF-IDF vectorization to create structured inputs for classification. Emotional categories such as "Depresi" (Depression), "Kecewa" (Dissapointed), "Senang" (Happy), "Bingung" (Confused) and "Stres" (Stress) were analyzed to evaluate model performance. Results indicated that Logistic Regression achieved the highest accuracy at 82%, showcasing its reliability and scalability, followed closely by Random Forest with 81%, demonstrating robustness in handling complex data structures. Bernoulli Naive Bayes performed competitively at 80%, excelling in computational efficiency, while Decision Tree recorded the lowest accuracy at 70%, reflecting its limitations in managing overlapping features and high-dimensional data. These findings highlight the potential of machine learning in addressing the increasing demand for scalable mental health support tools. The study underscores the importance of model selection, balanced datasets, and feature engineering to improve classification accuracy. Future work includes developing AI-driven chatbots for real-time emotion detection and integrating multimodal data to enhance interpretability. This research contributes to advancing automated solutions for mental health care, offering new pathways for timely and personalized interventions.
Using plastic pollution management worksheets in fundamental science class: An investigation on students’ sustainable awareness Sukardi, Rendi Restiana; Ishak, Nor Asniza; Rachmania, Setyaningsih; Kurniawan, Dede Trie; Ananthia, Winti; Shidiq, Ari Syahidul; Meilinda, Meilinda; Ani, Neng
Journal of Environment and Sustainability Education Vol. 3 No. 1 (2025)
Publisher : Education and Development Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62672/joease.v3i1.73

Abstract

Awareness among Indonesian society regarding plastic use and its management remains alarmingly low. This highlights an urgent need to strengthen sustainability education and responsible environmental practices. The implementation of the Plastic Pollution Management Worksheet uses a practicum-based method to foster greater sustainability awareness by integrating critical reflection and problem-solving strategies in addressing plastic pollution. This hands-on approach also encourages pro-environmental behavioural changes among learners. This study seeks to evaluate the impact of the Plastic Pollution Management Worksheet in practicum on students' sustainability awareness before and after its use. A one-group pre-test and post-test design was adopted, involving 40 university students, with a self-efficacy questionnaire used to assess five key indicators of sustainability awareness. The findings indicate that the implementation of practicum with the Plastic Pollution Management Worksheet had a moderate impact on enhancing students' sustainability awareness, with the most notable improvements observed in cognitive awareness (understanding sustainability concepts) and social engagement. Although improvements were noted across all dimensions, the development of sustainable behavioural changes requires further time and reinforcement. In conclusion, the practicum with Plastic Pollution Management Worksheet demonstrates potential as an innovative pedagogical strategy in sustainability education, though its effectiveness could be maximised by integrating it with other complementary educational approaches.
The Besemah Community’s Indigenous Knowledge of Tebat Bukit Conservation in Tebat Benawa Village Efendi, Doki; Meilinda, Meilinda; Riyanto, Riyanto
Biosfer: Jurnal Tadris Biologi Vol 12 No 2 (2021): Biosfer: Jurnal Tadris Biologi
Publisher : UNIVERSITAS ISLAM NEGERI RADEN INTAN LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/biosfer.v12i2.9641

Abstract

This research aims at finding out the form of indigenous knowledge of the Tebat Benawa Community toward Tebat Bukit conservation. The researchers conducted this descriptive study from December 2019 to January 2020. The object of the study was the Tebat Benawa Village Community. The data were collected through literature study, observation, and semi-structured interviews. The results show that the community has five indigenous knowledge in the implementation of Tebat Bukit conservation which is classified into three indicators: the availability of tebat (artificial lake) water, Tebat Bukit, and ghumbus; the use of tebat water called Siring Ayik; tebat and its water management, namely nebasi jalan, ghumbus, and society knowledge transfer in preserving Tebat Bukit through direct experience sharing. The experience sharing is conducted by fishing in tebat, implementing indigenous tradition, socializing with the village administration, giving parental advice, and fostering petatah-petitih (oral tradition on local wisdom).
Developing Student Worksheet Based on System Approach on Water Cycle Topic of Water Conservation Learning at Junior High School Khalifah, Nur; Riyanto, Riyanto; Nazip, Khiron; Meilinda, Meilinda
Biosfer: Jurnal Tadris Biologi Vol 12 No 2 (2021): Biosfer: Jurnal Tadris Biologi
Publisher : UNIVERSITAS ISLAM NEGERI RADEN INTAN LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/biosfer.v12i2.10467

Abstract

Air merupakan komponen penting yang harus ada di bumi dan tetap harus di jaga kelestariannya dengan konservasi air yang diajarkan sejak dini, melalui sistem belajar yang kompleks pada materi siklus air dan mengaitkannya dengan berpikir sistem dikembangkanlah LKPD berbasis system approach pada topik siklus air di SMP yang di uji kevalidan dan kepraktisannya melalui metode Developmental Research tipe II oleh Richey & Klein (2005) dengan dua tahapan yaitu fase eksplorasi dan uji coba kepada peserta didik. Fase uji coba dilakukan melalui metode lesson study yang diobservasi oleh lima orang observer dengan tujuan untuk mengetahui aktivitas siswa selama pembelajaran berlangsung. Hasil LKPD divalidasi oleh lima orang validator untuk menguji kevalidan LKPD dengan menggunakan skala likert. Teknik analisis data dilakukan dengan analisis data kuantitatif dan kualitatif. Hasil yang diperoleh berupa persentasi uji kevalidan dengan rata-rata78% yang artinya LKPD sudah dalam kategori valid. Kemudian dari hasil uji praktikalitas peserta didik diperoleh hasil rata-rata 81,02% yang menunjukkan kategori sangat praktis. Sehingga di hasilkanlah LKPD yang mempunyai nilai kevalidan dan kepraktisan yang layak digunakan dalam proses pembelajaran siklus air.
The development of teaching materials based on mathematical modeling in the context of climate change for prospective teachers Agustarina, Mitta; Hiltrimartin, Cecil; Aisyah, Nyimas; Ismet, Ismet; Meilinda, Meilinda; Silvhiany, Sary
Al-Jabar: Jurnal Pendidikan Matematika Vol 13 No 2 (2022): 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.v13i2.14565

Abstract

Mathematical modeling ability is one of the important skills prospective teachers and students possess in solving contextual problems. One that often happens around us is climate change. This study aims to develop teaching materials based on mathematical modeling in the context of climate change that is valid and practical. The method used is research and development with the ADDIE development model. This research was conducted at one of the state universities in Indonesia with a total of 53 subjects. Data collection techniques using observation, interviews, and tests. Data analysis techniques use qualitative research methods by looking at indicators and mathematical modeling abilities. This research produces teaching material based on mathematical modeling in the context of climate change that is valid and practical for prospective teachers. The evaluation results showed that most of the research subjects could not solve the problems correctly. Teaching materials based on mathematical modeling that have been developed can be input for prospective teachers regarding teaching materials that will be given, especially in the context of climate change, so that later they will help develop students' problem-solving abilities.
Pemahaman Konseptual Siswa melalui Pemodelan Kebakaran Hutan dan Lahan Gambut: Studi Kasus di Palembang, Sumatera Selatan, Indonesia Wulandari, Ratu Mutiara; Meilinda, Meilinda; Slamet, Adeng; Putri, Ratu Ilma Indra; Zulkardi, Zulkardi
Biosfer: Jurnal Pendidikan Biologi Vol. 18 No. 2 (2025): Biosfer: Jurnal Pendidikan Biologi
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/biosferjpb.53391

Abstract

Students in South Sumatra are familiar with the direct impacts of forest and peatland fires, yet understanding their connection to global warming remains limited and requires targeted educational interventions. This study investigates conceptual change among 16 students in Palembang after participating in modeling-based learning activities about forest and peatland fires. Although Palembang does not experience such fires directly, the city is heavily affected by the resulting haze, which impacts health, visibility, and daily activities, including school attendance. A qualitative approach was used, and data were collected through multiple-choice questions and student-generated drawings to capture shifts in understanding. The results revealed varied levels of conceptual understanding, categorized as scientific conception from the beginning (37%), static understanding (20%), disorientation (17%), revision or reconstruction (8%), and construction of new understanding (18%). A total of 26% of students demonstrated positive conceptual change after the intervention. These findings suggest that modeling serves as an effective tool to help students visualize complex environmental processes and make connections between local phenomena and global issues. The study highlights the importance of incorporating interactive, visual learning strategies in environmental education to foster deeper, more accurate understanding among students, particularly in areas indirectly affected by ecological disasters. Such approaches can empower students to become more informed and responsible citizens in the face of climate change.
IMPLEMENTATION OF EXTENDED UTAUT 2 IN ANALYZING THE INTENTION AND BEHAVIOR OF LINKEDIN USAGE Meilinda, Meilinda; Wibagso, Stefanus Setyo
Jurnal Sistem Informasi dan Sains Teknologi Vol 7, No 2 (2025): Jurnal Sistem Informasi dan Sains Teknologi
Publisher : Universitas Trilogi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31326/sistek.v7i2.2266

Abstract

Nowadays, with advancements in digital technology, the internet and social media have dominated daily routines, particularly LinkedIn, which has transformed professional interaction and development. With over 1.15 billion global users by 2025, LinkedIn offers various features for job searching and skill development. However, there is a gap between the number of registered accounts and active users, indicating challenges related to security and privacy. This study applies the Extended UTAUT 2 model in analyzing various factors that shape LinkedIn user intention and behavior. Through data collection from 243 respondents in Indonesia, the results show that Performance Expectancy, Effort Expectancy, Price Value, Hedonic Motivation, Facilitating Conditions, and Privacy Risk have a significant influence on Behavioral Intention and Use Behavior. However, the moderating effect of Experience is not significant. This model provides a deeper understanding of LinkedIn adoption and can serve as a basis for strategies to enhance user engagement.
The underlying physics concept of a soccer game as a catalyst for enhancing creative thinking skills Sriyanti, Ida; Afifa, Mardiah; Meilinda, Meilinda; Puteri, Anisya Sefina; Aisyah, Nyimas; Bayu, Wahyu Indra; Zulkardi, Zulkardi; Putri, Ratu Ilma Indra; Hapizah, Hapizah
International Journal of Evaluation and Research in Education (IJERE) Vol 14, No 5: October 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijere.v14i5.32682

Abstract

Teachers need to improve students’ creative thinking skills by incorporating relevant everyday contexts. Soccer, as a familiar part of daily life, has not been widely used in education, and its impact on creative thinking requires further study. This research aimed to develop a contextual physics e-module centered on soccer to enhance creative thinking in physics learning. The study followed Rowntree's development model, including planning, development, and evaluation, with Tessmer’s formative evaluation through expert reviews, one-on-one assessments, small-group evaluations, and field tests. The creative thinking indicators used in the research are fluency, flexibility, originality, and elaboration. Data were collected from 346 high school students in Palembang via walkthroughs, questionnaires, and written tests, then analyzed using SPSS version 16. The results showed that the soccer-based physics e-module is valid (Sig. 0.00), practical (one-to-one: 82.75%; small group: 91.00%), and in the moderate category for improving creative thinking (N-gain: 0.59). These findings highlight the need to explore other everyday contexts and assess the long-term impact of the e-module across different educational settings.
Using plastic pollution management worksheets in fundamental science class: An investigation on students’ sustainable awareness Sukardi, Rendi Restiana; Ishak, Nor Asniza; Rachmania, Setyaningsih; Kurniawan, Dede Trie; Ananthia, Winti; Shidiq, Ari Syahidul; Meilinda, Meilinda; Ani, Neng
Journal of Environment and Sustainability Education Vol. 3 No. 1 (2025)
Publisher : Education and Development Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62672/joease.v3i1.73

Abstract

Awareness among Indonesian society regarding plastic use and its management remains alarmingly low. This highlights an urgent need to strengthen sustainability education and responsible environmental practices. The implementation of the Plastic Pollution Management Worksheet uses a practicum-based method to foster greater sustainability awareness by integrating critical reflection and problem-solving strategies in addressing plastic pollution. This hands-on approach also encourages pro-environmental behavioural changes among learners. This study seeks to evaluate the impact of the Plastic Pollution Management Worksheet in practicum on students' sustainability awareness before and after its use. A one-group pre-test and post-test design was adopted, involving 40 university students, with a self-efficacy questionnaire used to assess five key indicators of sustainability awareness. The findings indicate that the implementation of practicum with the Plastic Pollution Management Worksheet had a moderate impact on enhancing students' sustainability awareness, with the most notable improvements observed in cognitive awareness (understanding sustainability concepts) and social engagement. Although improvements were noted across all dimensions, the development of sustainable behavioural changes requires further time and reinforcement. In conclusion, the practicum with Plastic Pollution Management Worksheet demonstrates potential as an innovative pedagogical strategy in sustainability education, though its effectiveness could be maximised by integrating it with other complementary educational approaches.
The Utilization of Lichen As Biomonitoring NO2 Gas Emission in The City of Palembang Mardiani, Tri; Khoiron, Nazip; Meilinda, Meilinda
Al-Kauniyah: Jurnal Biologi Vol. 17 No. 2 (2024): AL-KAUNIYAH JURNAL BIOLOGI
Publisher : Department of Biology, Faculty of Science and Technology, Syarif Hidayatullah State Islami

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/kauniyah.v17i2.27943

Abstract

AbstractThis study aims to determine the type of lichen as a bioindicator of air pollution and its potential in biomonitoring NO2 gas emissions in the air using the index of atmospheric purity (IAP) calculation method. The research area was divided into 4 sampling stations. One location is a motorised traffic-free area designated as station 1. Station 2, 3, and station 4 are areas located on roads with different motorised traffic densities. At stations 1, 2, 3 and 4, NO2 pollutant levels were measured following the SNI 19–7119.2–2005 procedure with the Griess Saltzman method. Furthermore, at the same station, the pollution level was also determined by calculating the IAP value. Based on the IAP value, the pollution level at the research area station is in the low-very high category with NO2 gas pollution levels in the range of 7.95–12.1 μg/Nm3/hour. There are 8 species of lichen whose presence can serve as bioindicators of NO2 pollution in the air. These species are Graphis sp., Lecanora sp., Lepraria sp., Dirinaria sp., Graphis scripta, Canoparmelia sp., Ochrolechia sp., and Lecidella elaeochroma. The results of the average measurement of NO2 levels show that NO2 levels at the four sampling stations are still in a safe status because they are still below the air quality standards. The IAP value has a negative correlation with NO2 levels in the air, where the higher the NO2 levels in the air, the lower the IAP value, otherwise if the NO2 levels in the air are lower, the IAP value will be higher. The Pearson Correlation test shows that there is a negative relationship (unidirectional relationship) between NO2 levels in the air and IAP values. The higher the pollutants in an area, the lower the number of colonies and area of lichen cover on trees, especially in lichen species that are sensitive to air pollution.AbstrakPenelitian ini bertujuan untuk mengetahui jenis lichen sebagai bioindikator pencemaran udara dan potensinya dalam biomonitoring emisi gas NO2 di udara dengan metode perhitungan index of atmospheric purity (IAP). Area penelitian dibagi menjadi atas 4 stasiun sampling. Satu lokasi merupakan area bebas lintasan kendaraan bermotor yang ditetapkan sebagai stasiun 1. Stasiun 2, 3, dan stasiun 4 yaitu area yang berada pada ruas jalan dengan kepadatan lalu lintas kendaraan bermotor yang berbeda. Pada stasiun 1, 2, 3 dan 4 diukur kadar pencemar NO2 mengikuti prosedur SNI 19–7119.2–2005 dengan metode Griess Saltzman. Selanjutnya, pada stasiun yang sama ditentukan pula tingkat pencemarannya dengan menghitung nilai IAP. Berdasarkan nilai IAP, tingkat pencemaran pada stasiun area penelitian berada pada kategori rendah-sangat tinggi dengan kadar pencemar gas NO2 berada pada kisaran 7,95–12,1 μg/Nm3/jam. Ada 8 jenis lichen yang kehadirannya dapat berfungsi sebagai bioindikator pencemaran NO2 di udara. Jenis tersebut adalah Graphis sp, Lecanora sp., Lepraria sp., Dirinaria sp., Graphis scripta, Canoparmelia sp., Ochrolechia sp., dan  Lecidella elaeochroma. Hasil pengukuran rata-rata kadar NO2 menunjukkan bahwa kadar NO2 di empat stasiun pengambilan sampel masih dalam status aman karena masih di bawah baku mutu udara. Nilai IAP memiliki korelasi negatif dengan kadar NO2 di udara, dimana semakin tinggi kadar NO2 di udara, maka nilai IAP akan semakin rendah, sebaliknya jika kadar NO2 di udara semakin rendah, maka nilai IAP akan semakin tinggi. Melalui uji Korelasi Pearson, menunjukkan bahwa terdapat hubungan negatif (hubungan tidak searah) antara kadar NO2 di udara dengan nilai IAP. Semakin tinggi polutan di suatu area, semakin rendah jumlah koloni dan luas penutupan lichen pada pohon, terutama pada jenis lichen yang sensitif terhadap polusi udara. 
Co-Authors Adeng Slamet Afifa, Mardiah Agustarina, Mitta Agustianda, Selpiana Agustio Dwitama Ahmad Ghiffari Amelia, Novela Amizera, Suzy Andri Wijaya Anggraini, May Liza Anggraini, Nike Ani, Neng Ari Syahidul Shidiq Astari, Firsti Aswandi, Megi Budiharto Budiharto Cecil Hiltrimartin Cynthia Sari Sunjaya Dariyani, Nuriz Dede Trie Kurniawan Deris Stiawan Dwitama, Agustio Edi Surya Negara Efendi, Doki Elvira Destiansari FRANKY, FRANKY Hapizah Haryanto, Muhammad Ravianda Aditya Ida Sriyanti Ishak, Nor Asniza Ismail, Gunawan Ismet Ismet, Ismet Iswari, Rosada Dwi Jermi A. Pello, Jermi A. Julian Masidin, Nevin Juliana, Fitri Kamiliani, Kamiliani Kemimaro, Fathannah Ketang Wiyono Khalifah, Nur Khoiron Nazip, Khoiron Khoiron, Nazip Kodri Madang, Kodri Latius Hermawan Maisa, Kamilah Nada Mardhiyah, Sayang Ajeng Mardiani, Tri Marisya Pratiwi Marlina Ummas Genisa Masidin, Nevin Julian Mirna Fitrani MUHAMMAD FAHMI Muhammad Qurhanul Rizqie Muhti, Rahmadillah Nainggolan, Septri Monalisa Natami, Rehan Tri Nazip, Khiron Nisrina, Nur Salwa Nur Fadhilah Nyimas Aisyah Pratama, Ilham Puspita Sari Puteri, Anisya Sefina Rachmania, Setyaningsih Rahmadhani, Sakilah Rahmi Susanti Ramayanti, Indri Ratih Puspa Ratu Ilma Indra Putri Retno Cahya Mukti Rita Inderawati Riyanto Riyanto Rizma Adlia Syakurah Rohmawati, Shofi Sari, Indah Karunia Sary Silvhiany Somakim, Somakim Sukardi, Rendi Restiana Sumah, Astrid SW Syamsiar, Syamsiar Tibrani, Masagus Muhammad Trilestari, Kuntum Wahyu Indra Bayu Wardhan, Utari Christya Wibagso, Stefanus Setyo Wibawa, Satrya Winti Ananthia Wulandari, Ratu Mutiara Yenita . Yenny Anwar Yoane M. Trianida, Yoane M. Zammardi, Syakhain Zulkardi Zulkardi