bluuebunny/crossref_metadata_2025 huggingface dataset:
Yerel ve Sözlü Tarihin Tarih Derslerinde Kullanımına Yönelik Öğrenci Görüşleri: Yozgat Örneği
Authors: Bozkurt Kürşat , Belenli Tuğba
Published: August 2024

Bu çalışmanın amacı, öğrencilerin yerel ve sözlü tarihin tarih derslerinde kullanımına ilişkin düşüncelerini ve Yozgat’ın yerel tarihiyle ilgili görüşlerini ortaya çıkarmaktır. Bu çalışma nitel araştırma desenlerinden durum çalışması deseni kullanılarak yürütülmüştür. Çalışmaya, Yozgat ilinde öğrenim gören 10., 11. ve 12. sınıf düzeyinde (2020-2021 eğitim ve öğretim yılı) 57 öğrenci katılmış ve öğrenci görüşlerini ortaya çıkarmak amacıyla 25 maddelik öğrenci anket formu uygulanmıştır. Öğrencilerden elde edilen veriler içerik analizi kullanılarak değerlendirilmiştir. Çalışmanın sonucunda öğrencilerin, yerel ve sözlü tarih öğretimine yönelik yeterli düzeyde bilgi sahibi olmadıkları görülmüş, öğrencilerin büyük çoğunluğu yerel ve sözlü tarih etkinliklerine derslerinde yer verilmediğini belirtmiştir. Öğrencilerin Yozgat’ın yerel tarihiyle alakalı bilgi düzeylerinin yeterli olmadığı ve Yozgat’ın yerel tarihini öğrenirken en çok “internet”, “sosyal medya” ve “aile”den faydalandıkları görülmüştür. Ayrıca öğrencilerin Yozgat’ın gelişmişlik (sosyal, ekonomik, kültürel vd.) düzeyi ile ilgili görüşlerine bakıldığında çoğunluğu Yozgat’ın gelişmiş bir il olmadığını ifade etmiştir.
Ortaokullarda Otantik Öğrenme Uygulaması: Sosyal Bilgiler Ders Başarısına Etkisi
Authors: Gürgil Fitnat , Çetin Turhan , Güneş Cennet
Published: August 2024

Bu araştırmanın temel amacı 7. sınıf sosyal bilgiler dersi göç konusunun öğretiminde otantik öğrenme uygulamalarının öğrencilerin akademik başarılarına etkisini incelemektir. Araştırmada, nicel araştırma yöntemlerinden yarı deneysel modele başvurulmuştur. Araştırma Şanlıurfa ilinin merkez ilçelerinde bulunan bir ortaokulda yapılmıştır. Araştırmanın çalışma grubu 68 ortaokul öğrencisinden oluşmaktadır (33’ü deney ve 35’i kontrol grubu). Araştırmada yer alacak grupların belirlenmesi amacıyla yedinci sınıflarda eğitimlerine devam eden beş farklı şubeye başarı testi uygulanmıştır. Ardından birbirilerine benzer olan iki şube belirlenerek deneysel süreç, bu şubelerde yapılmıştır. Deneysel müdahalenin yapıldığı grupta dersler otantik öğrenme etkinlikleri ile işlenirken, kontrol grubunda ise dersler araştırmadan önceki uygulamalarla devam ettirilmiştir. Verilerin analizine göre; otantik etkinliklerin uygulandığı grup ile öğretmenin önceki uygulamalarına göre ders işlediği grubun ön test son test puanları karşılaştırılmıştır. Karşılaştırma sonuçlarına göre hem deney hem de kontrol gruplarının uygulama sonunda son test puanlarında bir artış tespit edilmiştir. Otantik etkinliklerin uygulandığı deney grubunun akademik başarı son test puanları, araştırmadan önceki uygulamalarla derslerin işlendiği kontrol grubunun son test puanlarından daha yüksek bulunmuştur. Araştırma sonunda otantik öğrenme uygulamalarının öğrencilerin akademik başarı düzeylerini arttırmada etkili olduğu sonucuna varılmıştır. İleride yapılacak araştırmalarda, otantik öğrenme yaklaşımının farklı sınıf seviyelerinde ve farklı konularda da benzer etkiyi gösterip göstermediği incelenebilir. Yine ileride yapılacak olan çalışmalarda öğrenilenlerin kalıcılık düzeyi de incelenebilir.
Epigenetic mechanisms of Nsd1-mediated histone methylation modifications in chondrocyte ferroptosis in knee osteoarthritis
Authors: Wang Rao , Shi Da , Pan Xiaoni , Ren Anqi , Jiang Kai
Published: August 2024

Knee osteoarthritis (KOA) is a degenerative joint disease characterized by pain, stiffness, and impaired mobility, with current therapies offering limited efficacy. This study investigates the epigenetic role of nuclear receptor-binding SET domain protein 1 (NSD1) in KOA pathogenesis. A KOA mouse model was established, and adenoviral vectors were employed to upregulate Nsd1 and inhibit SRY-box transcription factor 9 (Sox9), followed by histopathological assessments. We examined changes in cell morphology, proliferation, viability, and ferroptosis-related markers. The expression of NSD1, SOX9, and acyl-CoA synthetase long-chain family member 4 (ACSL4) was analyzed, along with the enrichment of NSD1 and dimethylated lysine 36 of histone 3 (H3K36me2) on the SOX9 promoter and SOX9 on the ACSL4 promoter. Additionally, the binding relationship between SOX9 and the ACSL4 promoter sequence was analyzed. Our results revealed that NSD1 expression was reduced in KOA mouse tissues and interleukin-1β-stimulated chondrocytes. NSD1 upregulation alleviated KOA, promoted chondrocyte proliferation and viability, and inhibited ferroptosis. Mechanistically, NSD1 enhanced H3K36me2 to upregulate SOX9 expression, which in turn suppressed ACSL4 expression and ferroptosis. SOX9 inhibition partially reversed the protective effect of NSD1 overexpression. In summary, NSD1 upregulation mitigates chondrocyte ferroptosis and ameliorates KOA by modulating H3K36me2 to upregulate SOX9 and downregulate ACSL4 expression.
Random renewable replacements to manage product reliability through a random renewable repair warranty
Authors: Shang Lijun , Wang Liying , Shang Guojun , Cai Zhiqiang
Published: August 2024

Advanced digital technologies facilitate real-time and seamless monitoring of diverse data types throughout the operational lifespan of a product. Consequently, utilizing monitored mission data to devise and model novel approaches for managing the product's reliability over its operational lifespan represents an innovative topic. This paper proposes two random warranties from the fresh perspectives, namely random repair back warranty with renewable coverage (RRBW-RC) and random repair front warranty with renewable coverage (RRFW-RC). Extending the concepts from RRBW-RC, this study presents two random renewable replacements based on the RRBW-RC framework for managing product reliability during the post-warranty coverage: bivariate random renewable back replacement (BRRBR) and univariate random renewable back replacement (URRBR). Finally, the numerical results reveals that as mission cycles statistically elongate, the warranty-service cost increases and the related time lengthens for RRFW-RC, while it shows opposite trends for RRBW-RC; the proposed URRFR is unique and feasible.
Temporal Constrained Dynamic Uncertain Causality Graph for Root Cause Analysis of Intermittent Faults
Authors: Ma Qiqi , Long Jiang , Shi Xiangnan , Liu Zun , Guo Yangming
Published: August 2024

The diagnosis of intermittent faults is crucial in the field of maintenance support. However, most existing studies focus on the analysis of intermittent faults of single components, ignoring the more complex intermittent failures of equipment functions due to the coupling of multivariate anomalous states in the fault propagation process. Existing diagnostic methods based on fault propagation models, which mainly focus on one-dimensional temporal or logical relationships, fall short in representing and reasoning about intermittent faults caused by temporal and state coupling. In this paper, we propose a Temporal Constrained Dynamic Uncertain Causality Graph (TC-DUCG) model to fill this gap and effectively model intermittent faults. The model not only considers the probability of fault propagation among variables, but also integrates temporal constraints. It also presents a diagnostic reasoning process to investigate potential causes of intermittent faults. We provide an illustrative example to demonstrate the effectiveness of the proposed method in diagnosing intermittent faults.
Research on a Lightweight Multi-Scale Feature Fusion and its Fault Diagnosis Method for Rolling Bearing with Limited Labeled Samples
Authors: Zhang Jiqiang , Kong Xiangwei , Han Taorui , Cheng Liu , Li Xueyi , Liu Zhitong
Published: August 2024

Convolutional neural networks(CNNs) show significant potential for bearing fault diagnosis. However, tra-ditional CNNs face challenges such as poor noise resistance, high computational complexity, reliance on extensive samples, and limited generalizability. As a result, this paper proposes WDSC-Net, a lightweight, multiscale feature fusion method, focusing on limited labeled fault samples. Initially, a wide kernel convo-lutional is employed, aiming to reduce parameters and computational complexity. Next, features are fed into a 1×1 convolutional layer reduces feature dimensionality. Subsequently, leveraging the benefits of depth-separable convolution (DSC) allows the separation of spatial and channel features, constructing four convolutional layers of varying scales to amplify the nonlinear fault representation. Finally, an improved feature soft-threshold denoising module is introduced for global feature denoising. Validation on CWRU and MCDS datasets shows that the WDSC-Net method exhibits superior generalizability and noise resistance compared to typical deep-learning fault methods
Further Results on Relative Aging Orders and Comparison of Record Statistics
Authors: Kayid Mohamed
Published: August 2024

In reliability engineering, relative aging is an important notion useful for measuring how a system ages relative to another. In recent years, the reliability properties of record statistics used for statistical modeling, such as shock models, have been investigated. This study presents new findings regarding aging faster orders. Several implications of relative aging orders are presented, including further inequalities arising from these stochastic orders. We apply two faster aging orders by comparing distributions using their cumulative hazard rate functions and cumulative reversed hazard rate functions in the upper and lower record values, respectively. In addition, we compare the record statistics in the two-sample problem. The extent to which the aging-induced faster orders are preserved in the record statistics resulting from sequences of independent and identically distributed random lifetimes is investigated. Finally, examples are provided to illustrate these concepts.
Penyesuaian Kendiri dan Kesejahteraan Subjektif di Sekolah dalam Kalangan Remaja di Yogyakarta, Indonesia
Authors: Gusniarti Uly , Jaafar Jas Laile , Dameaty Hutagalung Fonny
Published: August 2024

Selain daripada golongan dewasa, salah satu fokus terkini kajian psikologi positif ialah mengkaji ciri-ciri kesejahteraan subjektif remaja. Penilaian remaja tentang kepuasan sekolah dan kekerapan pengalaman remaja berkaitan perasaan positif dan negatif di sekolah adalah penting kerana ia akan memberi kesan kepada banyak aspek dalam kehidupan remaja. Namun, bukti empirikal kajian mengenai kesejahteraan di Indonesia masih terbatas, terutama yang berkaitan dengan persekitaran sekolah yang turut mempengaruhi kesejahteraan subjektif dalam kalangan remaja. Kejayaan remaja menyesuaikan diri dalam persekitaran sekolah akan membawa kesan positif terhadap tahap kesejahteraan subjektifnya. Kajian ini menyiasat kesan penyesuaian kendiri terhadap kesejahteraan subjektif dalam kalangan remaja di Yogyakarta, Indonesia. Seramai 384 orang remaja, yang terdiri daripada 218 perempuan dan 166 lelaki, dalam gred 7 hingga 9 di Yogyakarta, Indonesia telah menjawab soal selidik penyesuaian kendiri dan kesejahteraan subjektif di sekolah. Analisis statistik dilakukan menggunakan perisian komputer JAMOVI, versi 1.6.23. Secara keseluruhannya, penyesuaian kendiri dan kesejahteraan subjektif responden kajian berada pada tahap sederhana. Keputusan Ujian Korelasi Pearson mendapati wujudnya hubungan yang signifikan antara kedua-dua pemboleh ubah. Keputusan analisis regresi menunjukkan R = 0.533 (p < 0.001) dan R2 = 28.43 %. Hal ini menunjukkan bahawa penyesuaian kendiri menyumbang kepada kesejahteraan subjektif dan secara berkesan diukur oleh permasalahan eksternalisasi, permasalahan internalisasi, keakraban dan konflik dengan guru, isolasi dan tingkah laku prososial dengan rakan. Keputusan kajian juga membawa implikasi bahawa kesejahteraan subjektif meningkat dengan kejayaan remaja dalam menyesuaikan diri di sekolah.
Examining Obstacles that Impede the Speaking of English in Literacy Classrooms: A case of two Primary Schools in the Eastern Cape Province, South Africa
Authors: Kleinbooi Cingile , Moffat Betina , Agnes Linake Matheleng
Published: August 2024

Learners often encounter impediments that hamper their ability to proficiently speak English. This study sought to research and determine the obstacles that impede the speaking of English in literacy classrooms. In particular, the study addressed the following research objectives: (i) to identify the language of teaching and learning that is primarily used in English First Additional Language (EFAL) literacy classrooms, and (ii) to examine why rural primary schools lack English speaking practices. Semi-structured interviews were used to collect primary data from two Subject Education Specialists, four Grade 4 EFAL teachers, and two Heads of Department from selected primary schools. Data was analysed using inductive thematic analysis. Interaction theory informed the study, as this theory emphasises the relevance of inputs and modified interaction(s) with respect to learning a second language. Multifaceted challenges impede the speaking of English in literacy classrooms, and these include lack of confidence, limited vocabulary, and limited opportunities to practice speaking. Teachers should minimise using code-switching teaching strategy in Grade 4 EFAL literacy classrooms, as this practice can further delay learners’ understanding of course content and hinder their proficiency in English. Rather, alternative techniques have to be developed and employed to improve speaking of English in the classroom.
Pola Sikap dan Sokongan Pengundi Muda (Undi-18) Terhadap Integriti Calon dan Parti Dalam Pilihanraya Umum 15 (PRU15)
Authors: Omar Nik Hairi , Che Kasim Arena , Manap Jamiah
Published: August 2024

Artikel ini meneliti pola sikap dan sokongan pengundi muda kali pertama (undi-18) terhadap integriti calon dan parti-parti politik yang bertanding dalam Pilihanraya Umum ke-15 (PRU15). Objektif utama artikel ini adalah untuk mengenalpasti tahap penerimaan terhadap undi-18 dan kesanggupan keluar mengundi; mengenalpasti pola sikap pengundi berteraskan nilai-nilai integriti calon dan parti; memahami pola sikap berteraskan realiti politik semasa; dan menilai pandangan terhadap integriti gabungan parti-parti yang bertanding dalam PRU15. Data kajian diperolehi menerusi tinjauan soal selidik rawak kelompok yang dijalankan secara atas talian melibatkan lebih 40 kumpulan belia di seluruh negara sebelum PRU15 berlangsung. Berdasarkan analisis terhadap 370 sampel kajian, dapatan menunjukkan lebih 80% mempunyai pandangan positif (setuju dan sangat setuju) dengan keputusan kerajaan meluluskan dasar Undi-18 dan menganggap ia adalah keputusan yang tepat. Kesanggupan keluar mengundi responden pula amat tinggi iaitu sekitar 86.7-88.6%. Majoriti responden (68-97%) menunjukkan pola sikap politik yang mengidamkan ciri-ciri pemimpin dan parti politik yang berintegriti tinggi. Namun, majoriti sedar tidak semua calon dan parti politik adalah berintegriti tinggi dan akan membuat pilihan yang terbaik semasa memilih. Dapatan juga menunjukkan majoriti pengundi kali pertama mempunyai sikap politik partisan dan cenderung untuk memberi undi kepada parti yang telah ditetapkan sejak awal. Penilaian terhadap integriti gabungan parti-parti politik pula menunjukkan gabungan PN dinilai paling berintegriti, diikuti PH, GTA dan BN. Artikel merumuskan bahawa pengundi kali pertama menginginkan sebuah kerajaan yang adil dan bertanggungjawab. Mereka juga sentiasa memerhati dan menganalisis perkembangan politik tanah air serta mempunyai penilaian tersendiri terhadap calon-calon dan parti yang bertanding dalam PRU15.
Profil Demografi dan Sokongan Sosial dalam Kalangan People Living with HIV/AIDS (PLHIV) di Lembah Klang
Authors: Roshaizad Najwa Afiqa , Mukhtar Firdaus , Nair Mohan Sindhu , Ibrahim Normala , Subhi Nasrudin
Published: August 2024

Human Immunodeficiency Virus (HIV) adalah virus yang menyerang sistem imun dalam badan manusia dan penghidap HIV positif (PLHIV) perlu bergantung kepada ubat-ubatan seumur hidup bagi menjalani kehidupan seperti manusia yang normal. Kebergantungan kepada ubat HIV banyak memberikan kesan negatif kepada mereka samada dari segi kelesuan fizikal, emosi, kewangan serta perubahan rutin. Maka, sokongan sosial adalah sesuatu yang sangat penting bagi mereka dalam berhadapan dengan situasi ini dan seterusnya meningkatkan kualiti kehidupan. Kajian ini bertujuan untuk meneroka profil demografi serta tahap sokongan sosial yang diterima oleh PLHIV di Lembah Klang. Seramai 165 orang peserta yang menyertai kajian berbentuk keratan rentas ini. Kaedah pensampelan bertujuan digunakan dan melibatkan responden yang berumur 18 hingga 60 tahun. Bahagian pertama soal selidik melibatkan bahagian demografi (penempatan, jantina, umur, bangsa, status perkahwinan, tahap pendidikan, pekerjaan, tempoh menghidap HIV, cara transmisi HIV, tempoh rawatan HAART, penyakit selain HIV) dan bahagian kedua ialah soal selidik Skala Multidimensional untuk Sokongan Sosial (MSPSS-M). Hasil kajian mendapati bahawa 94.5% responden adalah lelaki dan majoriti - 32.1% dalam lingkungan umur 40 hingga 50 tahun. Cara transmisi HIV melalui hubungan seksual adalah yang paling tinggi iaitu 49.1% berbanding penggunaan jarum, 44.2%. Selain itu, kajian menunjukkan tahap sokongan sosial yang diterima oleh responden adalah tinggi - 50.9%, 38.2% mendapat sokongan sosial yang sederhana dan hanya 10.9% mendapat sokongan sosial yang rendah. Justeru, tahap sokongan sosial bagi golongan PLHIV menunjukkan peningkatan yang baik namun perlu diperhalusi dengan lebih teliti dalam usaha menurunkan stigma kendiri serta meningkatkan keyakinan diri PLHIV agar kehidupan mereka lebih baik secara keseluruhannya.
The Impact of Parental Financial Teaching on University Students’ Financial Attitudes: The Mediating Role of Self-Control
Authors: Pulungan Andrey Hasiholan , Abdurrahman Dhiya Aufa , Canara Billian , Ramadhan Rizki
Published: August 2024

Most university students, who are in the process of transitioning from adolescence to adulthood, face difficulties managing their finances independently. To overcome these obstacles, students must have a positive financial attitude. This research aims to investigate both the direct and indirect impacts of parental financial teaching on students’ financial attitudes. In particular, the study examines the mediating effect of self-control on the relationship between financial education by parents and financial behaviors among accounting students. A survey was employed online to 219 accounting students in four different universities in October – December 2023. The data was then analyzed by applying SMART-PLS 4. The results of the analysis indicate that parental financial education tends to improve students’ behaviors in managing their finances. Furthermore, students who receive parental financial teaching are more likely to have positive self-control, which then positively affects their financial behaviors. This study enhances the existing finance literature and practice by demonstrating that improved parent-child communication can lead to the development of strong self-control in students when it comes to managing their finances. Keywords: Parental financial teaching, Financial attitude, Self-control, University students
Public Service Motivation and Practical Implications in the Higher Education Sector
Authors: Hikmat Hikmat , Manaf Halimah Abdul , Seti Sirikanya , Satispi Evi , Izzatusholekha Izzatusholekha , Dewi Maya Puspita
Published: August 2024

The purpose of this study is to discuss the concept of public service motivation (PSM) among lecturers in tertiary institutions. This study focuses on studying how existing literature represents the understanding of faculty members about PSM in the context of higher education. The method used in this study is the systematic review method, which is a comprehensive review driven by protocols and data synthesis that focuses on a topic or related key question. PSM has a significant positive impact on higher education and public services. PSM has a positive effect on public services, learning experiences, and community development. The results of this study provide a detailed understanding of PSM and their significance in the field of higher education. Furthermore, the implications of these findings will be discussed in relation to the direction of future research and practical implications for the higher education sector. The period of implementation of this research will depend on the number of papers analyzed and the complexity of literature synthesis.Keywords: Motivation of public services, Higher education, Systematic review
Exploration of Brand Satisfaction on Purchase Decision: Theory of Planned Behavior Perspective
Authors: Putra Febrianur Ibnu Fitroh Sukono , Panjaitan Roymon , Fatmawati Elia Resha
Published: August 2024

Brand satisfaction is prominent to bridge purchasing decisions, and it is often linked with perceived value, social media marketing, and brand trust. This study explores the mediating role of brand satisfaction in the relationship between perceived value, social media marketing, brand trust, and purchase decision. The convenience sampling technique was used to collect the data. A self-administered survey from 226 consumers who were sampled in Semarang was involved in this study, and further data was processed using PLS-SEM software. The findings show that perceived value, social media marketing, brand trust, and satisfaction simultaneously have a positive and significant impact on consumer purchasing decisions. The role of brand satisfaction is proven to bridge the relationship between perceived value and the role of social media in purchasing decisions. However, there are negative results related directly or indirectly through brand satisfaction, from brand trust to purchasing decisions. In addition, social media marketing has no impact on brand satisfaction. The findings indicate that brand decisions have yet to become a benchmark for consumers to determine purchasing decisions for shampoo products. The usefulness of this research can trigger product business owners to observe consumer behavior continuously amid fast-moving product innovation competition.Keywords: Perceived value, Purchase decision, Social media marketing, Brand satisfaction, Brand trust
The Effect of Social Media Activities on Purchase Intention Study on Somethinc, A Local Skincare Brand in Indonesia
Authors: Riyadi Auddie Indira , Adiwijaya Karto
Published: August 2024

The sales of the skincare industry in Indonesia increase from year to year. Along with the increase in social media use, it results in newcomers in the local brand sector; one is a brand called Somethinc. This study analyses social media activities (SMA) regarding purchase intention over a local skincare brand in Indonesia. This research was built using quantitative cross-sectional sampling with a total of 258 samples who lived in Jabodetabek. They are following Somethinc on social media, especially its Instagram @somethincofficial, yet they have never purchased Somethinc products. The data were analyzed using the SEM method through the SmartPLS 3.2.9 application. The results show that SMA has direct influences on brand equity, and brand equity influences purchase intention. Moreover, SMA also has a direct effect on purchase intention. This study proves that social media activities (SMA) significantly increase brand awareness, brand image, and purchase intention. The presence of customization, interactions, eWOM, and trendiness further enhance the positive effect. This means that managers must provide the latest and relevant information about their products in all cases. Keywords: Social media activities, Brand equity, Purchase intention, Instagram, Local brand, Skincare
THE EFFECT OF MIND MAPPING BASED ADVANCE ORGANIZER LEARNING MODEL ON STUDENTS' CREATIVE THINKING ABILITY
Authors: Muriharti Liwis , Sutarja Maria Chandra , Ahied Mochammad , Wahyuni Eva Ari , Hadi Wiwin Puspita
Published: August 2024

This study aims to determine the effect of the mind mapping-based Advance Organizer learning model on students' creative thinking ability. The research method used is Quasi Experimental with the type of Nonequivalent Control Group the Design was carried out at one of Junior High School (JHS) in Ngimbang, Lamongan Regency, for the 2022/2023 Academic Year. Data collection techniques were carried out through tests. Hypothesis testing use independent sample t-test and analysis improving students' creative thinking ability using the N-Gain Score test. The results showed that: 1) There are differences between the creative thinking ability of class students in experimental and control classes with a significance value of 0.000 < 0.05 then H0 is rejected and H1 is accepted, 2) There is an increase in students ' creative thinking ability based on the N-Gain test the score in experimental class was 0.68 in medium category and control class it was 0.31 for medium category. We conclude that mind mapping-based Advance Organizer learning model has an influence on students' creative thinking ability.
META-ANALYSIS OF THE EFFECTIVENESS OF PROBLEM-BASED LEARNING (PBL) MODELS AT THE MIDDLE SCHOOL LEVEL
Authors: Aulia Adinda Fara , Rohmah Azizah Miftakhul , Rahmawan Setia
Published: August 2024

This research investigates the effectiveness of the Problem-Based Learning (PBL) learning model in improving student learning outcomes at the junior high school level using two cycles of Classroom Action Research (PTK). The PBL learning model can attract students' attention so that they become more active and collaborative. Applying the PBL model can improve problem-solving abilities so that students can think critically. However, there are still challenges in implementing PBL, such as limited resources, the time needed to prepare material, and the teacher's ability to manage dynamic classes. The method used is meta-analysis which is reviewed from a literature review. A literature review is analyzing information from someone's published research. The research began by searching for data in the form of descriptive analysis. The results of the study of the PBL model with two cycles can improve student learning outcomes from the lowest, namely 3.07% to the highest, 42.8%. The results of data analysis in Table 1 mean the first cycle score is 71.78, while the average second cycle score is 85.66. The average score shows a significant change, proving that the use of the Problem-Based Learning model is an effective solution for teachers to improve student learning outcomes at the junior high school level.
Local ablation for hepatocellular carcinoma: 2024 expert consensus-based practical recommendation of the Korean Liver Cancer Association
Authors: Han Seungchul , Sung Pil Soo , Park Soo Young , Kim Jin Woong , Hong Hyun Pyo , Yoon Jung-Hee , Chung Dong Jin , Kwon Joon Ho , Lim Sanghyeok , Kim Jae Hyun , Shin Seung Kak , Kim Tae Hyung , Lee Dong Ho , Choi Jong Young ,   Research Committee of the Korean Liver Cancer Association
Published: August 2024

Local ablation for hepatocellular carcinoma (HCC), a non-surgical option that directly targets and destroys tumor cells, has advanced significantly since the 1990s. Therapies with different energy sources, such as radiofrequency ablation, microwave ablation, and cryoablation, employ different mechanisms to induce tumor necrosis. The precision, safety, and effectiveness of these therapies have increased with advances in guiding technologies and device improvements. Consequently, local ablation has become the firstline treatment for early-stage HCC. The lack of organized evidence and expert opinions regarding patient selection, pre-procedure preparation, procedural methods, swift post-treatment evaluation, and follow-up has resulted in clinicians following varied practices. Therefore, an expert consensus-based practical recommendation for local ablation was developed by a group of experts in radiology and hepatology from the Research Committee of the Korean Liver Cancer Association in collaboration with the Korean Society of Image-guided Tumor Ablation to provide useful information and guidance for performing local ablation and for the pre- and posttreatment management of patients.
Impacto de la recolección de residuos domésticos de gran tamaño sobre potenciales criaderos de mosquitos transmisores del dengue en Asunción, Paraguay
Authors: Lima Pereira Patricia
Published: August 2024

Introducción: Los brotes recurrentes de dengue subrayan la necesidad de abordajes más efectivos en la prevención y control de vectores. A menudo, las intervenciones se centran en un enfoque biomédico y de promoción de la salud desde un enfoque individual, sin integrar factores socioambientales ni ser evaluados científicamente. Objetivo: Evaluar el impacto de la recolección de residuos domésticos de gran tamaño sobre potenciales criaderos de mosquitos transmisores del dengue en Asunción, Paraguay durante los años 2017 a 2021. Material y métodos: Estudio cuasiexperimental, longitudinal, donde se encuestaron 350 hogares, como línea de base durante el 2017 y una línea de cierre en 108 hogares en 2021. Se utilizó el método de Diferencia en Diferencia (DID) para comparar la presencia de criaderos antes y después de la intervención en 43 hogares intervenidos y 65 no intervenidos. Resultados: La recolección diferenciada fue utilizada principalmente por aquellos hogares que tenían una gran cantidad de residuos sólidos de gran tamaño, pero no para deshacerse de todos estos objetos, sino sólo de una parte (DID de -52% en el número total de criaderos y DID de 1% en número de hogares con criaderos). Encontramos una reducción significativa en el número de total de criaderos de gran tamaño, pero no observamos diferencias en el número total de hogares con criaderos. Factores subjetivos, como la creencia de que los objetos en desuso podrían llegar a ser útiles en el futuro explicaban en gran medida su presencia en los hogares, incluso con el servicio disponible. Conclusiones: El enfoque de la gestión municipal en los residuos voluminosos puede contribuir a la prevención del dengue por el hecho de que no constituyen residuos de generación rápida en los hogares, y su eliminación puede tener un impacto relativamente duradero. El factor subjetivo relacionado con la presencia de estos criaderos en los hogares debe ser objeto de mayores estudios.
Screening of premalignant and malignant lesions of cervix by visual inspection with (acetic acid or Lugol's iodine) and PAP smear
Authors: Mahezabeen  , Thobbi Vidya A.
Published: August 2024

Background: Cervical cancer is the primary cause of morbidity and fatality globally among women. It is essential to unfold a screening test with high sensitivity and specificity. This study compared the effectiveness of visual inspection of the cervix with acetic acid (VIA) and lugol's iodine (VILI) versus the Pap smear in detecting cervix cancer.
Methods: In this prospective diagnostic validation study, 1000 patients were included and screened for cervix cancer using VIA, VILI and pap smear. The outcomes were obtained, contrasted, and statistically analysed.
Results: Among enrolled patients, 17.8% had a positive PAP smear, 43.2% had a positive VIA/VILI, and 14.0% had a positive COLPO. The patients' biopsies revealed that 7.6% had chronic cervicitis, and 5.9% had cervical intraepithelial neoplasia (CIN1). The sensitivity was 87.64% for VIA/VILI and PAP smear, whereas the specificity was only 66.4%. PAP smear and biopsy had a sensitivity of 37.58% but a specificity of 85.43%. The sensitivity of VIA/VILI and biopsy was 89.93%, whereas the specificity was 64.98%.
Conclusions: The current investigation showed that VIA/VILI is more sensitive than PAP.
Uterine scar dehiscence in previous caesarean section and their foetomaternal outcome at a tertiary care centre
Authors: Kandregula Meghana Sai , Munikrishna M.
Published: August 2024

The escalating rates of caesarean sections (CS) globally have intensified concerns regarding associated complications; including uterine scar dehiscence (USD) i.e., characterized by incomplete separation of the uterine scar from a prior CS, poses significant risks to maternal and foetal health. This retrospective study aimed to identify risk factors contributing to USD and assess its impact on foeto-maternal outcomes. A retrospective study was conducted on pregnant women diagnosed with USD who underwent repeat CS with a prior lower segment caesarean section (LSCS) at a tertiary obstetrics and gynaecology department from March 2022 to March 2024. Maternal demographic and clinical characteristics were scrutinized, with emergency LSCS performed on 83.33% of women, highlighting the urgency associated with USD. Notably, maternal age, shorter inter-pregnancy intervals (<18 months) and a history of multiple LSCS (68.3%) emerged as significant risk factors for USD. Additionally, certain maternal co-morbidities, including hypertensive disorders (11.6%), foetal growth restriction (11.6%), and previous preterm birth (16.6%), showed causal associations with USD. Foeto-maternal outcomes were adversely affected, with notable occurrences of preterm birth, low birth weight, and neonatal distress, necessitating NICU admission. This study contributes valuable insights into the complex interplay between maternal characteristics, clinical factors, and adverse outcomes associated with USD in women with prior CS. The findings emphasize the need of targeted interventions, including risk assessment, careful monitoring, and timely interventions, to mitigate the risks associated with USD and improve foeto-maternal outcomes.
Ovarian torsion: a case series
Authors: Sharma Hemlata , Raisa Samuel  , Joshi Reetika , Chaudhary Naimaa
Published: August 2024

Ovarian torsion is a common gynaecological emergency with nonspecific presentation, difficult diagnosis, delay in management leading to organ loss. Current approach is more towards detorsion and organ salvageability. This study was conducted to study the demographic data, clinical presentation, sonographic features, surgical and histopathological features in cases of ovarian torsion.
Effect of yoga on insomnia among nurses at multi speciality health facility, United Arab Emirates
Authors: Alber Majella Livingston , Vivekanandhan Annajyothi , Natarajan Bharathi
Published: August 2024

Background: Insomnia is a communal sleep problem. Nurses are commonly getting this due to their nature of work, family situation and lack of their coping which affect their attention throughout the day. Studies shown that yoga is an olden practice which relaxes the mind and sleep among adults. Yoga brings changes in autonomic nervous system, thus improves functional brain network. However, there are limited studies conducted to understand how the yoga improves nurses sleep.  Present study is to find out the effect of yoga on insomnia. This study aimed to assess the effect of Yoga on insomnia among nurses.
Methods: Experimental design was opted for this study. 70 nurses participated in this study from one of the government-multispeciality hospital. Samples were randomly allocated to the experimental and control group. Experimental group underwent yoga for 30 minutes, daily for 90 days. Data was collected through online before and after the intervention from both experimental and control group. The tool used to collect data was Insomnia Severity Index (ISI) scale.
Results: The mean post-test insomnia score among nurses in the test group 20.51 was higher than the post test insomnia score among nurses in the control group which is 15.97 with the t=4.543, df=68 at a level of 5% significance. It shows that there is a significant improvement in the sleep after doing yoga among nurses.
Conclusions: Yoga was very effective in terms of improving the sleep among nurses.
Cardiovascular diseases in HIV infected children and adolescents on highly anti-retroviral therapy at the university of Abuja teaching hospital, Gwagwalada, Nigeria
Authors: Okechukwu Adaora A. , Lawson Juliana O. , Richard Onalo , Okechukwu Orji A.
Published: August 2024

Background: Effect of prolong use of antiretroviral therapy and chronic HIV infection on cardiac performance of infected children and adolescents requires evaluation. We studied cardiac structure/functions, and troponin levels of these subjects on anti-retroviral therapy for > 6 months in our hospital. 
Methods: A cross sectional survey was conducted in our facility for the above objectives. Bio-data, time and type antiretroviral drugs, mode of transmission, weight, height, body-mass-index, echocardiogram, electrocardiogram, CD4, viral load, and troponin were done for all subjects.
Results: Of a total of 126 subjects recruited, 66 (52.4%) were males. Their mean age, and duration on antiretroviral therapy was 14.1±3.1 (7, 18) years, and 7.2±2.9 (1, 14) years. Majority 69 (54.8%) were between 15-18 years, most 73 (57.9%) had BMI of <18 kg/m2, and 99 (78.6%) had vertical transmition. Their mean troponin-1 level was 2.0±1.6ng/ml. Abnormal echocardiogram and electrocardiogrm was detected in 41.3% and 38.1% of the subjects, with mild-systolic-dysfunction (11.9%), pulmonary-hypertension (11.1%) and left-ventricular-dysfunction (10.3%) as the commonest abnormal echocardiogram findings, and sinus-tachycardia 16 (12.7%), non-specific-ST-T abnormality 12 (9.5%), mild-right and left-ventricular-hypertrophy 4 (3.2%) as the commonest electrocardiogram abnormalities detected. Significant relationship was seen between troponin and the following variables; echocardiogram, chi2 36.95, p=0.0001; electrocardiogram, chi2 59.07, p=0.0001; body-mass-index chi2 13.63, p=0.001; 1st line antiretroviral therapy, chi2 21.187, p=0.001, 2nd line, chi2 19.978, p=0.002; CD4, chi2 6.896, p=0.032; and viral-load, chi2 7.515, p=0.023. 
Conclusions: There is high prevalence of cardiac abnormalities among the study subjects. Echocardiogram and electrocardiogram to be included in their baseline and follow-up care for early disease detection, and initiation of measures to halt its progression.
Any help for the helpers? Determinants of female infertility in oocyte donors
Authors: Omonigho Ese W. , Anya Okorie C. , Kalio Ibilolia J. , Keke Chidinma V. , Adisa Kayode I. , Seriki Aminat A. , Iheabunike Gift I. , Hati Stephen S.
Published: August 2024

Background: Female infertility is a national problem for the family, and one of the major causes is ovarian dysfunction. Ovarian function can decline with increasing age and other factors, and this can affect oocyte quality. One of the ways to manage it is through oocyte donation; however, some oocyte donors also suffer from ovarian dysfunction. The aim of this study was to identify the determinants of infertility in young, unmarried females, with the aim of planning treatment strategies that may help reduce the burden of infertility.
Methods: The study enrolled 335 individuals who presented for oocyte donation. The number of people who had their oocyte donation program cancelled due to fertility-related issues was analysed, and simple descriptive statistics were used for analysis.
Results: Of the 330 participants, the age range was between 21 and 27 years, with a mean age of 23 years. About 19% of the participants had their oocyte donation program cancelled, and out of this proportion, 47% of them experienced poor ovarian response to stimulation with either a low anti-mullerian hormone level or a low antral follicular count on day 2 of their menstrual cycle.
Conclusions: Identification and early management of this population of young females can invariably reduce the burden of infertility in the future.
Comparison of biometry of eyes having cataract with non-cataractous eyes among children in a tertiary care hospital of Dehradun
Authors: Vats Vatsala , Arora Divija , Gupta Manisha , Shakeel Tarannum
Published: August 2024

Background: Ocular biometry evolves with age and growth. The eyes with cataract but no other abnormality needs biometric assessment for surgical intervention. This study aims to evaluate the keratometry and axial length parameters of eyes with cataract and compare with eyes without cataract and no ocular pathology.
Method: This is a cross sectional, hospital based, observational study. 30 eyes with cataract were assessed for ocular biometry. These eyes were compared with 30 non-cataractous eyes with no other ocular abnormality at that point.
 Results: The mean age of presentation of children with cataract was 6.87±4.91 years which was significantly lower than children without cataract 11.27±3.63 years, with p value=0.001. K1 was 44.51±2.44 and K2 was 46.12±2.00 in eyes with cataract. This was significantly different from K1 and K2 of non-cataractous eyes. The Axial length of cataractous eyes was smaller (21.89±1.13 mm) than that of non-cataractous eyes (22.14±3.86), but the difference was statistically insignificant. The data was analysed using Mann Whitney U test; non-parametric test, Student's t test; Parametric test and p value less than 0.05 was considered significant.
Conclusion: The study suggests that eyes with cataract had significantly steeper corneas, and shorter axial lengths in comparison to eyes without any abnormality. This study is a first of its kind to be conducted in the region. Such results help in making better choices in the management of cataract.
Assessment of video-laryngoscopic examination in patients of LPRD in a tertiary care hospital
Authors: Raj Ritika , Singh Gopal Sharan , Diwakar Chandrakant
Published: August 2024

Background: Laryngopharyngeal reflux disease (LPRD) is characterized by vague symptoms, often leading to delayed presentation and advanced disease, potentially increasing the risk of malignancy. The extent and clinical features of this condition remain poorly understood among patients seeking Otorhinolaryngology services in Bihar.
Methods: This descriptive cross-sectional study was conducted at Narayan Medical College and Hospital within the Department of Otorhinolaryngology. It included patients exhibiting symptoms of Laryngopharyngeal reflux disease. Data collection utilized questionnaires and clinical examination forms, with analysis performed using Microsoft Excel. Results were presented through frequency tables, cross-tabulations, and figures.
Results: In this study, 210 participants were enrolled, of whom 137 (65.24%) were females. The median age was 35.5 years with an interquartile range of 21-50 years. The prevalence of Laryngopharyngeal reflux disease was found to be 18.57%, with no gender preference observed. The most common symptoms reported were globus sensation and hoarseness of voice, affecting 97.44% and 94.87% of participants, respectively. The most frequently observed signs included thick endo laryngeal mucus (94.87%) and erythema/hyperemia (84.62%). Risk factors identified included lying down within two hours after meals and consumption of spicy foods. The most prevalent comorbid conditions associated with Laryngopharyngeal reflux disease were hypertension and Type 2 diabetes Mellitus.
Conclusion: The prevalence of laryngopharyngeal reflux disease is high among patients attending Otorhinolaryngology services at Narayan medical College and hospital. All patients with laryngopharyngeal reflux disease related symptoms should get thorough evaluation for early diagnosis and treatment.
Gallstone ileus resolved with enterolithotomy: a case report and literature review
Authors: Amador Olga E. , Gabriel Gutierrez Gabriel Gutierrez , Echeverry Miguel A. , Ayón Francisco , Ávila Santiago S. , Baldenebro Arturo E. C.
Published: August 2024

Gallstone ileus is considered a rare complication in patients with cholelithiasis, occurring in up to 0.1-0.5%. It represents 4% of the causes of intestinal obstruction. Its prevalence increases with age, being observed up to 25% in patients over 65 years of age and has a predominance in the female gender. The occlusion can occur from the stomach to the rectum, being more common in the small intestine. We present a case of gallstone ileus that required surgical treatment which resolved the occlusion condition with a good evolution and a favorable discharge.
An unusual case of pseudoxanthomatous salpingitis
Authors: T. Naveen Vaitheesh , S. Radhika , G. Bhavatharini , S. Chithra K. , G. Vidhya
Published: August 2024

Pseudoxanthomatous salpingitis (PXS) is a rare condition which is characterized by the presence of pigment-laden histiocytes within the lamina propria of the fallopian tube. Till date, less than 30 cases of have been reported in the literature.  Herein, we report an incidentally detected case of PXS. PXS has been linked with ovarian endometriosis. The pathogenesis of PXS is unclear but it might be a response by the macrophages to haemorrhage in the lumen of the fallopian tube. The importance of knowing about this entity lies in the fact that it can be preoperatively diagnosed as adnexal neoplasm sometimes mistakenly.
The impact of smoking on sleep and quality of life: a comprehensive review
Authors: Pavan Kumar C. Muddanna  , M. Kumaraswamy
Published: August 2024

Smoking is so widespread and can have such detrimental effects on health that research on the effects of smoking on sleep quality and general quality of life in smokers and non-smokers has already attracted a lot of attention. Numerous research articles have examined the relationship between smoking and sleep, contrasting smokers and non-smokers in various demographic settings and examining the possible impacts of smoking on sleep habits and general quality of life. Data from the corpus of research on the topic is gathered for this review, including differences in the quality of sleep between smokers and non-smokers. Studies comparing smokers' and non-smokers' sleep quality frequently find differences in a variety of areas pertaining to sleep patterns and overall sleep health. An overview of this field's research may be seen below: Smokers often experience poorer sleep compared to non-smokers, with difficulties falling and staying asleep, shorter sleep durations, altered sleep architecture, an increased risk of sleep disorders, and impaired day-to-day functioning. These findings demonstrate how important it is to support smokers in quitting in order to improve their overall health and sleep quality. The summary of the review concluded that smoking can affect the overall quality of life and sleep of both smokers and non-smokers.
Postpartum psychosis-an emergent entity
Authors: Kapila Utkarsha , Cevher Yaren , Tancil Cemnur , Parikh Parinda
Published: August 2024

Postpartum psychosis is a rare mental health disorder. It is an emergency because it develops very rapidly and poses a threat to the life of both mother and her child. It is seen that women who suffer from postpartum psychosis have increased risk of committing suicide after delivery, which is also one of the largest causes of maternal mortality in the first-year post-delivery. A history of mental health disorders is deemed unnecessary in cases of post-partum psychosis as it can develop without any previous psychiatric conditions. In this article, the focus of discussion will be- Causes, Symptoms, Diagnosis of post-partum psychosis, Common treatment modalities and Prognosis of postpartum psychosis. We will also be discussing the relation of postpartum psychosis with other mental health illnesses like bipolar disorder and schizophrenia. This data might help in early detection, intervention, and overall improved outcomes in patients of postpartum psychosis.