Open Journal Systems UIN (Universitas Islam Negeri) Raden Intan Lampung / Raden Intan State Islamic Institute of Lampung
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Errors in solving quadratic equations and their impact on secondary school students' mathematics performance: A case study in Lebowakgomo sub-district
No full textErrors in solving quadratic equations are common among high school students and can significantly impact their mathematical proficiency. This study aimed to investigate the types of errors made by Grade 10 students and identify the factors contributing to these errors. The study was conducted in three senior secondary schools in Lebowakgomo District, Limpopo Province, involving ninety-nine Mathematics students, with nine selected for interviews. Data were analyzed quantitatively through students’ test scores and qualitatively using document analysis and interviews. The findings revealed that students’ difficulties were often reflected in errors related to carelessness, misapplication of numerical operations, order of operations, and challenges in handling algebraic equations. These conceptual and procedural inconsistencies hinder students' problem-solving abilities. The implication of this study is the urgent need for targeted instructional strategies that address conceptual understanding and procedural fluency to improve students' academic performance in Mathematics
Organizational Commitment: Developing a Valid and Reliable Measuring Instrument
No full textOrganizational commitment is crucial to study because high commitment is believed to be beneficial for both the organization and the employees themselves. When employees have a commitment to the organization, it leads to their optimal efforts, which are essential for achieving organizational goals. This study uses the organizational commitment theory developed by Allen and Meyer (1991), which encompasses three aspects: affective, continuance, and normative commitment. The theory was further developed into 47 items. The theory was chosen because it effectively represents the dimensions of organizational commitment and serves as a solution to enhance understanding and develop effective strategies to strengthen organizational commitment. The research was conducted at Hospital X with a population of 728 employees, and 202 research subjects were selected using simple random sampling. The research employed a quantitative method, and data collection was conducted using a Likert scale questionnaire. The results of the study revealed that out of the 47 items, 12 items were invalid, leaving 35 items that can measure the variable of organizational commitment.Keywords: Organizational Commitment, Psychological Scale, Measuring Instrumen
Constitutional Guarantees and Justice in Indonesia’s Poverty Alleviation Programs (2014–2024)
No full textPoverty alleviation is a central issue in sustainable development and is the constitutional mandate of the Indonesian state. This article analyses the role of constitutional guarantees, the positive impact of poverty alleviation programs 2014-2024, and policy implementation challenges. This study uses a qualitative approach with a normative and empirical legal research design. Normative legal studies focus on the legal basis of policies, while empirical studies examine policy implementation in the field. This research uses the theory of justice. The results show; First, Indonesia's constitutional guarantee is a strong legal basis for poverty alleviation. Articles in the 1945 Constitution provide a solid foundation for realizing justice. Second, the KIS, KIP, and PKH programs improve the welfare of low-income people. Third, challenges in policy implementation include access gaps between regions, budget instability, limited supervision, weak institutional capacity, and uneven digital infrastructure. This research concludes that the KIS, KIP, and PKH programmes reflect the mandate of social justice in the 1945 Constitution and are proven to improve the welfare of the poor. However, structural and implementation barriers require strengthening regulations, coordination, and digital infrastructure to realize equitable and sustainable poverty alleviation.
 
Utilization of Hematite Nanomaterial Based on Geres River Sand Magnetic Mineral to Improve Water Quality
No full textThis study aims to synthesize hematite based on magnetic minerals from the Geres River sand, which is used as a heavy metal absorbent. The Geres River iron sand-based magnetic mineral has a high iron content that can be extracted to produce hematite. The synthesis method used is the coprecipitation method. Mineral content and morphology were characterized using SEM-EDX. Hematite functional groups were analyzed using FTIR. Water quality analysis was based on physical parameters (conductivity and TDS) using a TDS meter, while the heavy metal content of Mn before and after filtration was analyzed using AAS. Based on SEM-EDX analysis, the average grain size of hematite was (0.99 ± 0.20) µm with the highest element content of Fe (72.90 ± 0.28) %. Functional groups are formed at a wavelength of 951.72 cm-1, which shows the Fe=O double bond. After filtration, hematite was able to reduce the heavy metal content of Mn by 19.58%, followed by a decrease in conductivity by 12.95% and a decrease in TDS by 15.18%. This shows that hematite is effectively used as a heavy metal absorbent. Through this research, it is hoped that the community will not only use iron sand magnetic minerals as building materials but also process them into more useful materials such as hematite, which can be used as a heavy metal absorbent
Trend of Applying the Conceptual Change Model in Physics Learning: Systematic Literature Review
No full textPhysics learning often faces challenges in improving students' conceptual understanding. Conceptual change models are widely used to address this. This study aims to analyze these gaps, review the materials used, and identify improvements made. The study examined fifty-seven articles from four good-quality journal databases: Scopus, Science Direct, Eric, and Sage Journal. This study uses a systematic literature review method using the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analysis) technique. The analyzed data was visualized based on selected articles in the form of mapping tabula, including the country of origin of the research, the physics content studied, the frequency of topic material, and the focus of the problem in the research over the last five years (2019-2024). The findings show that the trend of applying learning models in various physics learning materials over the past five years has varied, with ten countries implementing conceptual change model research. The content of matter has varied, including complete kinematics, fluids, pendulums, temperature and heat, sound waves, light waves, Pascal's laws, and quantum. The benefits of integrating conceptual change models in physics learning include diagnosing students who experience misunderstandings and improving conceptual understanding. One of the next research recommendations is to apply momentum and impulse materials while still using a conceptual change model in physics learning
Sharia Governance and Risk Mitigation in E-Wallets: Implications for SDG 8
No full textThe rapid advancement of financial technology (fintech) has driven the adoption of e-wallets as a widely used medium for digital transactions. However, within the Islamic finance context, challenges such as Sharia compliance, transaction security, and effective governance persist. This study investigates the role of Sharia governance in mitigating legal, operational, and reputational risks associated with e-wallets and explores its implications for Sustainable Development Goals (SDG) 8, which emphasizes decent work and economic growth. Using a qualitative approach and secondary data analysis, the study examines Sharia governance frameworks, compliance challenges, and oversight mechanisms, including the role of the Sharia Advisory Board, periodic audits, and transparency in fund management. Findings reveal that robust Sharia governance reduces compliance uncertainties, enhances consumer trust, and stabilizes the industry. Furthermore, systematic governance in e-wallets directly supports SDG 8 by fostering financial inclusion, creating decent job opportunities, and driving sustainable economic growth. The study emphasizes the need for standardized Sharia compliance protocols, regular audits, and collaboration between regulatory bodies and e-wallet providers to ensure effective and consistent adherence to Islamic principles. The insights are crucial for stakeholders to develop a resilient Islamic fintech ecosystem that aligns technological innovation with Sharia values and global sustainability goal
Living Hadith Terminal Lucidity Pada Masyarakat di Desa Arosbaya Bangkalan Madura
No full textThe phenomenon of terminal lucidity, which refers to the cognitive or physical clarity that occurs in individuals nearing death, has become an intriguing topic in medical and spiritual studies. This phenomenon is often seen as the individual's last opportunity to resolve worldly matters or convey a final message to their loved ones. In Islamic teachings, the hadiths of the Prophet Muhammad describe the moments before death as containing profound meaning, one of which relates to the sudden clarity that emerges, providing an opportunity to interact with his followers. This study employs a qualitative method with a field study design, using data collection tools through observation and interviews with informants from the local community. The research findings indicate that the phenomenon of terminal lucidity in the community of Arosbaya Village is highly relevant to the hadith about the Prophet Muhammad experiencing clarity of mind before his death. The village community interprets terminal lucidity as a gift from Allah that provides individuals with the opportunity to settle their worldly affairs and convey their final messages before passing away. This study contributes to understanding how the “living hadith” is practiced and interpreted in a local context, particularly regarding the phenomenon of terminal lucidity. The findings also enrich Islamic scholarship by integrating theological perspectives with the empirical experiences of the community.Penelitian ini bertujuan untuk mengkaji fenomena terminal lucidity suatu kondisi ketika individu yang sebelumnya mengalami penurunan kognitif secara tiba-tiba menunjukkan pemulihan kesadaran sesaat sebelum meninggal dalam perspektif living hadith. Kajian ini menggunakan metode penelitian kualitatif dengan pendekatan lapangan melalui wawancara mendalam terhadap masyarakat Desa Arosbaya, Bangkalan, yang memiliki pengalaman terkait fenomena ini. Selain itu, penelitian ini menganalisis hadis-hadis yang relevan untuk memahami bagaimana Islam menafsirkan atau memberikan pandangan terhadap terminal lucidity. Sumber data primer penelitian ini berasal dari hasil wawancara dengan masyarakat setempat serta kajian teks hadis, sementara sumber sekunder diperoleh dari jurnal-jurnal akademis dan buku-buku yang membahas terminal lucidity, living hadith, dan konsep-konsep terkait dalam Islam. Temuan penelitian menunjukkan bahwa masyarakat Desa Arosbaya memandang terminal lucidity sebagai suatu fenomena spiritual yang terkait dengan tanda-tanda kematian dalam Islam, seperti hadis tentang peristiwa menjelang wafarnya nabi dan lainya. Mereka meyakini bahwa pemulihan kesadaran sesaat sebelum meninggal merupakan bentuk rahmat Allah kepada hamba-Nya. Penelitian ini memberikan kontribusi dalam memahami bagaimana hadis hidup (living hadith) dipraktikkan dan diinterpretasikan dalam konteks lokal, khususnya terkait fenomena terminal lucidity. Hasil kajian ini juga memperkaya wawasan keislaman dengan menggabungkan perspektif teologis dan pengalaman empiris masyarakat
Enhancing Arabic Proficiency through Structured Language Planning and Curriculum Integration/ Ta'ziz al-Kafa'ah al-Lughawiyyah al-'Arabiyyah min Khilal al-Takhtit al-Lughawi al-Munazzam wa Takamul al-Manahij al-Dirasiyyah
No full textThe lack of well structured Arabic language planning in several Islamic educational institutions has led to fragmented learning and minimal real-world application of the language. This study had the urgency to explore the deeper causes of this issue and analyze how intentional language policy which is thoughtfully implemented can improve learners’ Arabic proficiency, connect language use to Islamic studies, and build a more immersive educational environment. This qualitative study critically analyzed the mid-level Arabic language planning policy at the Imam Shafi'i Islamic Boarding School in Lampung. Using a qualitative case study design, the data were collected through classroom observations, semi-structured interviews with administrators, eight teachers, and twenty students, as well as curriculum and institutional document analysis. The findings revealed three core aspects of language planning at the islamic institution: (1) a strong emphasis on achieving proficiency in both spoken and written Arabic; (2) the integration of Arabic language materials with Islamic studies through a thoughtfully selected curriculum; and (3) the development of an Arabic-speaking environment. This study offered practical insights into how structured Arabic language planning can improve student proficiency in Islamic boarding schools. By examining the case of Imam Shafi'i Islamic Boarding School, it showed how integrating Arabic instruction with Islamic studies and building an immersive language environment can lead to more effective learning. The findings provided a model that other Islamic institutions can adapt to develop clearer language goals, strengthen teaching strategies, and create supportive environments for Arabic learning
Criminal Liability for Murder of Individuals with Schizophrenia
No full textCriminal law aims to maintain social order by delineating prohibited and permissible conduct. Murder, as a material offense, prioritizes consequences—specifically, the unlawful deprivation of life—and necessitates proof of intent. When perpetrators exhibit mental disorders such as schizophrenia, a specialized assessment of their capacity for criminal responsibility becomes imperative. Article 44 of Indonesia’s Criminal Code (KUHP) explicitly exempts individuals unable to assume responsibility due to mental disorders from punishment. This study therefore examines the criminal liability of perpetrators who commit murder while diagnosed with schizophrenia, employing a qualitative methodology that integrates statutory and case-law approaches (analyzing Decisions 105/Pid.B/2023/PN.Gdt and 108/Pid.B/2021/PN.Stb). Key findings reveal stark disparities in court verdicts, attributable to inconsistent medical-legal evaluations of the perpetrators’ mental capacity. The research underscores that schizophrenia may serve as a valid excuse under Article 44 KUHP if evidence confirms the perpetrator’s inability to comprehend or control their actions. However, divergent judicial interpretations—based on psychiatric examinations (e.g., Visum et Repertum) and trial facts—highlight an urgent need for standardized assessment protocols. Crucially, the study demonstrates that criminal liability hinges not solely on the commission of unlawful acts (unlawfulness), but equally on the perpetrator’s ability to be responsible (toerekeningsvatbaarheid). To ensure justice and consistency, Indonesia must harmonize medical and juridical criteria for evaluating mental capacity in homicide cases involving schizophrenia
The Values of Local Wisdom of the Ngumbai Lawok Tradition as a Source of History Learning
No full textThe coastal communities of Lampung have a tradition known as Ngumbai Lawok, which is closely tied to their livelihood as fishermen. This study aims to explore the local wisdom embedded in the Ngumbai Lawok tradition in the Lampung Coastal Regency and assess its potential as a source for teaching local history and culture. A qualitative approach, using ethnographic methods, was employed for data collection through observation, interviews, and literature review. The findings reveal that the Ngumbai Lawok tradition encompasses cultural values, including religious, social, cultural, and educational aspects. These cultural values can be integrated into history instruction, particularly for high school students in grade X, stage E. The inclusion of the Ngumbai Lawok tradition as an alternative source for local history education is essential for enhancing historical awareness and fostering a stronger sense of local identity and character among the people of Lampung. Furthermore, this study highlights the relevance of local traditions in modern education and their ability to bridge the gap between cultural heritage and contemporary learning approaches. The integration of such traditions into the curriculum can also promote a deeper understanding of the role of culture in shaping regional identity