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All Journal CHEESA: Chemical Engineering Research Articles CCIT (Creative Communication and Innovative Technology) Journal ICIT (Innovative Creative and Information Technology) Journal CICES (Cyberpreneurship Innovative and Creative Exact and Social Science) Journal Cerita: Creative Education of Research in Information Technology and Artificial Informatics Jurnal Akuntansi, Manajemen dan Ilmu Ekonomi (JASMIEN) IAIC Transactions on Sustainable Digital Innovation (ITSDI) Integrated Science Education Journal Studia Ekonomika Insan Cendekia : Jurnal Pendidikan dan Kebudayaan Journal of Educational Studies International Journal of Business, Marketing, Economics & Leadership International Journal of Business Law, Business Ethic, Business Communication & Green Economics (IJBGE) Journal of Economic and Leadership Academia Open
Ria Wulandari
STIE Kasih Bangsa
Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Public Health Social Sciences Other

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Effectiveness of Inquiry Learning Model Based on Socio-Scientific Issues to Develop Students’ Critical Thinking Skills Sabrina Oktavia Irawati; Ria Wulandari
Integrated Science Education Journal Vol 7 No 1 (2026): January
Publisher : Cahaya Ilmu Cendekia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37251/isej.v7i1.2223

Abstract

Purpose of the study: This study aims to describe the effect of the socio-scientific issue-based inquiry learning model on the critical thinking skills of eighth-grade students in the subject of the digestive system. Methodology: This study used a quantitative experimental method with a nonequivalent control group design. The population in this study was 320 eighth-grade students, with a sample size of 64 students. Data collection techniques used tests. The research instruments used pretest and posttest critical thinking skills. The data analysis technique in this study used N-gain (Normalized Gain) and inferential statistics in the form of an independent sample t-test. Main Findings: The main findings of this study indicate that the socio-scientific issues-based inquiry learning model significantly improves students' critical thinking skills compared to conventional learning with N-gain 0,94 in high category. The test results show a sig. value (2-tailed) = 0.021 (<0.05), which indicates a significant difference between the experimental and control classes. This model is effective because it involves students in scientific investigations based on real social issues that encourage them to think reflectively, analytically, and evidence-based in their decision-making. Novelty/Originality of this study: The novelty of this study lies in the application of a socio-scientific issues-based inquiry learning model to digestive system material to develop students’ critical thinking skills. The socio-scientific issues used are obesity and GERD. The socio-scientific issues-based inquiry learning model integrates scientific investigation with contextual and evidence-based social analysis.
Analisis Ketercapaian Indikator Standar Proses Sekolah Dasar Moh Vikram Dwi Putra; Iqbal Sauqi; Ria Wulandari
Insan Cendekia : Jurnal Pendidikan dan Kebudayaan Vol. 2 No. 4 (2025): Desember
Publisher : Yayasan Citra Dharma Cindekia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56480/insancendekia.v2i4.125

Abstract

This research aims to learn how the standard education process has been achieved in kwanyar west 1 elementary school. The study is a qualitative descriptive study of observation, interview and documentation. The results show that the standard achievement of process at west kwanyar elementary 1 is 86.5% when compared with all the maximum value to be achieved in the form of standard process. It recommends exploring optimum indicators, especially a maximum indicator of 24 people. Empowerment, use and maintenance of the learning process in the school must be improved. It was intended to enhance the quality of education and the satisfaction of people’s expectations.
Can Technology Make Fair Value More Verifiable? A Systematic Literature Review of Measurement Uncertainty, Data Analytics, and Audit Assurance Ria Wulandari; Ngadi Permana
Journal of Economic and Leadership Vol. 3 No. 2 (2026): September: Journal of Economic and Leadership
Publisher : LPPM STIE Kasih Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70142/jbl.v3i2.75

Abstract

This qualitative systematic literature review examines whether technology can make fair value (FV) more verifiable by integrating evidence on measurement uncertainty, data availability, data analytics, auditor expertise, and audit assurance. The review synthesizes prior research to identify recurring mechanisms through which technological development may influence FV verifiability. The findings indicate that technology does not eliminate fundamental measurement uncertainty, particularly for Level 3 FV estimates, but can improve verifiability by increasing access to relevant data, strengthening analytical capabilities, facilitating independent valuation procedures, and enhancing audit evidence. However, technological effectiveness depends critically on data quality, task-specific auditor expertise, professional judgment, and appropriate governance. The review further identifies a paradox whereby advanced analytics and artificial intelligence can reduce information uncertainty while introducing new risks related to reliability, explainability, bias, and auditor overreliance. Overall, technology can make FV more verifiable, but its effectiveness is conditional on the interaction of data, technology, expertise, evidence, and governance.
Optimization and Characterization of Adsorbent from Palm Kernel Shell Waste Using H3PO4 Activator M. Julian Herlambang; Adityas Agung Ramandani; Devy Cendekia; Livia Rhea Alvita; Yeni Ria Wulandari; Shintawati Shintawati; Mawar Siti Purnani; Dimas Amirul Mukminin Nur Efendi
CHEESA: Chemical Engineering Research Articles Vol. 6 No. 2 (2023)
Publisher : Universitas PGRI Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/cheesa.v6i2.15906.118-125

Abstract

Palm kernel shell is solid waste produced from the processing of crude palm oil (CPO). In this context, phosphoric acid (H3PO4) serves as an essential activator for producing an adsorbent with maximum micropore under operating conditions at a temperature of <450oC. Therefore, this study aimed to determine the optimal adsorbent condition of the palm kernel shell using H3PO4activator. The production process was optimized using Response Surface Methodology (RSM) and Central Composite Design (CCD) methods with activator concentration variations of 4%, 5%, and 6%, at activation times of 23 hours, 24 hours, and 25 hours, respectively. The quality of the adsorbent produced fulfilled SNI standard 06-3730-1995, characterized by water content of 1.001%, ash content of 5.767%, missing substance level of 18.932%, and fixed carbon content of 75.301%. Furthermore, this work effectively optimized the RSM and CCD adsorbent production process, achieving 4.785% variation in activator concentration and 24.679 hours activation time.
Co-Authors Achmad Rachmat Aditya Giyantono Adityas Agung Ramandani Agus Gunawan Astriyani, Erna Bobby Aditya Nugraha Citra Azizah Dani Ramadhan Devy Cendekia Dimas Amirul Mukminin Nur Efendi Dirham Fatra Fatra Dhamara Enik Setiyawati Erwansyah Erwansyah Fahreza, Rivaldy Rifki Firdausia Amanda Ari Octaviani Grace Yulianti Ida Rindaningsih, Ida Ifran Sanni Ilamsyah Ilamsyah, Ilamsyah Iqbal Sauqi Livia Rhea Alvita M. Julian Herlambang Machful Indra Kurniawan Mawar Siti Purnani Moh Vikram Dwi Putra Mohammad Chaidir Naufal Fadhil Alwarits Ngadi Permana Noly Shofiyah Novrizal Padeli Padeli Rizki Maulana Kamil Sabrina Oktavia Irawati Selvi Agustina Shintawati Shintawati Siti Adira Salsabilla Rahma Sugeng Santoso Tanti Sugiharti Yuni Roza Yuni Sara Zaelani, Naila