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All Journal Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat Biosfer: Jurnal Pendidikan Biologi IALLTEACH (Issues In Applied Linguistics & Language Teaching) Journal of English Teaching and Applied Linguistics (JETAL) Journal of Management - Small and Medium Enterprises (SME's) Journal Economy And Currency Study (JECS) MDP Student Conference Journal of Linguistics, Literacy, and Pedagogy
Serina, Serina
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Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Languange, Linguistic, Communication & Media Social Sciences Other

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Pengaruh Financial Literacy Dan Financial Attitude Terhadap Financial Behavior Dimoderasi Oleh Self Control Budiman, Johny; Cheristina, Cheristina; Ng, Mardiana; Serina, Serina; Chang, Wirren
MDP Student Conference Vol 3 No 2 (2024): The 3rd MDP Student Conference 2024
Publisher : Universitas Multi Data Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35957/mdp-sc.v3i2.7191

Abstract

Tujuan penelitian ini adalah untuk menganalisis bagaimana Financial Literacy dan Financial Attitude berdampak pada Financial Behavior yang dimoderasi oleh Self Control. Data primer yang dikumpulkan melalui kuesioner digunakan dalam penelitian ini. Target sampel dari penelitian ini adalah masyarakat di Kota Batam. Sampel yang digunakan dalam penelitian ini berjumlah 220. Metode analisis yang digunakan untuk menganalisis data adalah Partial Least Square Structural Equation Model (PLS-SEM). Hasil menunjukkan bahwa financial literacy dan financial attitude berpengaruh positif terhadap financial behavior. Sedangkan self control tidak mampu memoderasi hubungan antara financial literacy dan financial attitude terhadap financial behavior.
Enhancing Students' Vocabulary Mastery through the Look-Say Method in Junior High School Serina, Serina; Hamidiyah, Aisyah; Utomo, Dhafid Wahyu
Journal of Linguistics, Literacy, and Pedagogy Vol 3, No 2 (2024): November 2024
Publisher : Journal of Linguistics, Literacy, and Pedagogy

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/jllp.v3i2.29571

Abstract

This study was aimed to investigate students’ English vocabulary mastery improvement using the Look-Say method. The quasi-experimental was used as the research method and the sample was the seventh-grade students of the Islamic School in Dahu Banten. The instruments in this research were the pre-test and post-test. The content validity was used to test the item tests validity and the IBM SPSS Statistics 23 application with the Cronbach Alpa formula was used to test the reliability. The findings showed that there was an increase in mean scores from pre-test to post-test: the experimental class’s average score increased from 38.97 to 91.03, while the control class’s average score increased from 40.09 to 59.11. The Independent T-test from students’ score of the post-test was 0.00, which indicates a significant difference between the experimental class and the control class. Therefore, it can be concluded that the Look-Say method can enhance the seventh-grade students at Islamic School in Dahu Banten
THE PSYCHOLOGICAL AND EDUCATIONAL DRIVERS OF INVESTMENT DECISIONS: A STUDY ON GEN Y AND GEN Z IN BATAM CITY Marheni, Dewi Khornida; Serina, Serina; Hashim, Hanini Ilyana Che; Ramadani, Arienda Gitty
Journal of Management Small and Medium Enterprises (SMEs) Vol 18 No 2 (2025): JOURNAL OF MANAGEMENT Small and Medium Enterprises (SME's)
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/jom.v18i2.20434

Abstract

The primary purpose of this research is to thoroughly analyze the influence of overconfidence and herding behavior on stock investment decisions. Additionally, this research aims to investigate the moderating effect of financial literacy on the relationship between these behavioral factors (overconfidence and herding) and investment decisions. This research is quantitative research. The sample of this research is Gen Y and Gen Z stock investors in Batam City, Indonesia. The research analyzed the data using Partial Least Square Structural Equation Model (PLS-SEM), an advanced statistical technique that allows examining complicated relationships among observed variables and latent variables. The findings have revealed that overconfidence has a significant positive effect on investment. Similarly, herding significantly positively affects investment decisions, while financial literacy successfully moderates the relationship between overconfidence and investment decisions; however, it does not successfully moderate the relationship between herding and investment decisions. Keywords: Financial Literacy; Herding; Investment Decision; Overconfidence
Development of a flipbook-based e-module on the human circulatory system Serina, Serina; Panjaitan, Ruqiah Ganda Putri; Wahyuni, Eko Sri
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.54520

Abstract

Teaching materials for the human circulatory system are still limited to printed books, which lack interactivity and do not provide visual representations for understanding its anatomical structure. The development of interactive e-modules is needed to facilitate more effective learning through the integration of text, images, videos, and interactive elements. This research seeks to determine both the viability and student response to an interactive heyzine-based electronic module covering the human circulatory system submaterial, exploring its potential as a more engaging alternative educational resource. The study employed a modified Research and Development methodology based on the Borg and Gall model as adapted by Sugiyono. Researcher selected participants through purposive sampling, involving 36 eighth-grade junior high school students. The research utilized validation sheets and student response questionnaires. The research instruments were validated by 5 expert validators. The researcher used content validity analysis methods, specifically Aiken's V coefficient, to analyze the collected data. Reliability testing using Intraclass Correlation Coefficients. Assessment of student response questionnaire using the Likert scale. The teaching material validation analysis produced an average score of 0.92, placing it in the valid category. Reliability testing yielded a score of 0.806, which falls within the good classification. Students responded favorably to the developed educational materials, with an average positive response rate of 77.57%, indicating good reception. Based on these findings, we determined that the developed heyzine-based electronic module covering the human circulatory system sub-material is appropriate for educational implementation.
Peran Kepemimpinan Dalam Meningkatkan Kinerja Karyawan pada Koperasi Pangkas Benua Desa Kedondong Kecamatan Kendawangan Kabupaten Ketapang Serina, Serina; Firayanti, Yuni; Marhamah, Marhamah
Journal Economy and Currency Study (JECS) Vol. 7 No. 1 (2025)
Publisher : Pusdikra Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51178/jecs.v7i1.2830

Abstract

Penelitian ini bertujuan untuk menganalisis peran kepemimpinan dalam meningkatkan kinerja karyawan pada Koperasi Pangkas Benua Desa Kedondong, Kecamatan Kendawangan, Kabupaten Ketapang. Latar belakang penelitian ini berangkat dari fenomena rendahnya efektivitas kepemimpinan di beberapa koperasi di Kabupaten Ketapang, sementara Koperasi Pangkas Benua menunjukkan perkembangan positif dalam hal jumlah anggota aktif dan volume usaha. Metode penelitian menggunakan pendekatan kualitatif dengan jenis penelitian lapangan. Data dikumpulkan melalui wawancara, observasi, dan dokumentasi, dengan teknik triangulasi untuk menguji keabsahan data. Hasil penelitian menunjukkan bahwa kepemimpinan di Koperasi Pangkas Benua berperan penting dalam pengambilan keputusan, motivasi, komunikasi, serta pengendalian emosi. Meski demikian, keterlibatan karyawan lapangan dalam proses perumusan kebijakan masih terbatas, sehingga menimbulkan kesenjangan persepsi antara pengurus dan karyawan. Temuan ini menegaskan bahwa kepemimpinan yang efektif, partisipatif, dan komunikatif dapat meningkatkan motivasi serta kinerja karyawan, yang pada akhirnya berdampak pada keberhasilan koperasi.
Development ESP in English Language Learning for Work Readiness in Aviation and Shipping Vocational Schools Serina, Serina; Nugraha, Hendra
IALLTEACH (Issues In Applied Linguistics & Language Teaching) Vol. 7 No. 2 (2025): Issues in Applied Linguistics and Language Teaching
Publisher : English Language Education, Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/iallteach.v7i2.11635

Abstract

This study aims to investigate students’ English learning needs and the use of technology to support instruction in aviation and shipping vocational programs. Using a qualitative approach, data were collected through classroom observations and semi-structured interviews to explore students’ language challenges, learning preferences, and teachers’ instructional practices. The participants consisted of 16 twelfth-grade students and one English teacher from a vocational school in Batam. The findings reveal that students face significant difficulties in listening and grammar, which reduce their confidence in speaking, while English instruction remains general and not aligned with the specific demands of each department. Technology was available but used minimally and primarily for basic presentations rather than interactive learning. These results highlight the need to implement profession-oriented English learning supported by interactive digital tools to increase motivation, develop communication skills, and enhance students’ readiness for the aviation and maritime workplace. Overall, this study contributes by providing insights into learners’ specific needs and emphasizing the importance of integrating targeted ESP instruction with meaningful technology use in vocational contexts.
Teacher Strategies to Foster Autonomous Writing Skills in Elementary English Classes in the Digital Era Marsevani, Maya; Serina, Serina; Prasodjo, Pandu
JETAL: Journal of English Teaching & Applied Linguistic Vol 7 No 2 (2026): April In Progress
Publisher : English Education Department at FKIP Nommensen University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36655/jetal.v7i2.2019

Abstract

This study investigates how elementary school English teachers in Batam foster students’ autonomous writing skills in the digital era. While technology offers abundant resources, young learners often depend excessively on teacher guidance or online materials, highlighting the need for effective autonomy-supportive strategies. Using a qualitative design, data were collected from four English teachers through semi-structured and written interviews, then analyzed thematically. The findings show that teachers promote writing independence through scaffolding techniques such as structured planning, guided feedback, and reflective self-evaluation. They also cultivate metacognitive awareness to help students identify and resolve their own writing difficulties. However, limited classroom technology use and varying student motivation levels remain obstacles to developing autonomy. This study contributes to the growing literature on learner autonomy in EFL primary education by demonstrating how adaptive pedagogy can balance digital integration with self-directed learning. The results underscore the importance of reflective, flexible teaching practices that prepare students for independent writing in technology-mediated contexts.
Mitigasi Bencana Pesisir Melalui Penanaman Mangrove Pada Program Kosabangsa di Desa Uwedikan Kecamatan Luwuk Timur, Kabupaten Banggai, Sulawesi Tengah Jufri, Muhammad; Rauf, Bakhrani; Mubayyin, Muhammad Afief; Darmawang, Darmawang; Rahmansah, Rahmansah; Syamsurizal, Syamsurizal; Mayangsari, Putri Indah; Ramadani, Ahmad Ridho; Serina, Serina; Ismail, Ismail; Gailea, Rosmaniar
Agrokreatif: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 12 No. 1 (2026): Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agrokreatif.12.1.102-111

Abstract

Mangrove forest rehabilitation is essential to mitigate the impact of abrasion and mangrove ecosystem degradation. Mangrove planting activities with the community of Uwedikan Village, Luwuk Timur Subdistrict, Banggai Regency, were carried out as part of the Kosabangsa Program to support the development of the area’s potential as a Tourism Village. The aim of mangrove planting activities on Togong Island is to prevent coastal abrasion disasters on Togong Island. This community service program was conducted collaboratively between the Muhammadiyah University of Palu and the Uwedikan Village community, involving two groups: the Culinary Pokdarwis Nyiur Melambai Group (CPNMG) and the Teluk Balean Fishermen Group (TBFG), each consisting of 20 members. The activities included socialization, technical training, planting practice at target locations (Togong Island and Balean Island), and monitoring and evaluation The result of activity showed that performance of the training technical planting was classified as moderate (score 43,93) for CPNMG and score for TBFG is 29,38. A total of 750 mangrove seedlings consisting of Rhizophora mucronata, Rhizophora apiculata, and Avicennia marina were obtained from the Watershed Management Center (BPDAS) of Palu-Poso. The planting of seedlings was carried out from October 2024 in coastal areas affected by abrasion (covering 75 m x 10 m), with a planting distance of 1 x 1 m.
Co-Authors BAKHRANI RAUF Chang, Wirren Cheristina, Cheristina Darmawang, Darmawang Eko Sri Wahyuni Firayanti, Yuni Hamidiyah, Aisyah Hashim, Hanini Ilyana Che Ismail Ismail Johny Budiman Marhamah Marhamah Marheni, Dewi Khornida Marsevani, Maya Mayangsari, Putri Indah Mubayyin, Muhammad Afief Muhammad Jufri Ng, Mardiana Nugraha, Hendra Prasodjo, Pandu Rahmansah Ramadani, Ahmad Ridho Ramadani, Arienda Gitty Rosmaniar Gailea Ruqiah Ganda Putri Panjaitan Syamsurizal - - Utomo, Dhafid Wahyu