bluuebunny/crossref_metadata_2025 huggingface dataset:
Association of fecal zonulin and calprotectin levels with cardiovascular risk factors and target organ damage in a sample of patients with metabolic disorders
Authors: Kolesova E. P. , Usoltsev D. A. , Moguchaia E. V. , Boyarinova M. A. , Erina A. M. , Tolkunova K. M. , Maslyanskiy A. L. , Mazing A. V. , Kibkalo S. V. , Vasileva E. Yu. , Novikova N. S. , Ermolenko E. I. , Artemov N. N. , Rotar O. P. , Konradi A. O. , Shlyakhto E. V.
Published: November 2023

Surrogate markers quantifying the severity of intestinal inflammation (fecal calprotectin) and permeability (fecal zonulin) are currently considered nontraditional cardiovascular risk factors.

Aim. To study the associations of fecal zonulin and calprotectin levels with cardiovascular risk factors and target organ damage among participants with metabolic disorders from a population sample of St. Petersburg residents aged 35-75 years.

Material and methods. In-depth phenotyping was performed on patients from a cohort of St. Petersburg residents metabolic disorders (overweight, hyperglycemia) invited for reexamination as part of the ESSE-RF epidemiological study. All patients underwent a questionnaire examination (physical activity, smoking, alcohol consumption, sleep, stress, anxiety and depression, assessment of digestive system complaints, frequency of food consumption). In addition, blood pressure and pulse measurements, anthropometry, biochemical and hormonal blood tests, echocardiography, applanation tonometry, volume sphygmography, duplex carotid scanning, and determination of fecal zonulin and calprotectin levels were carried out.

Results. The examined cohort (n=86; mean age, 56 [44,7;63,5] years; men, 49,5%) was characterized by a high prevalence of abdominal obesity (80,2%), dyslipidemia (low-density lipoproteins >3 mmol/l — 76,7%, triglycerides ³1,7 mmol/l — 43%, total cholesterol >4,9 mmol/l — 77,9%) and insulin resistance (64%) with slight sex differences. An increase in calprotectin occurs in 23,3% of patients, zonulin — in 30,3%, while an increase in calprotectin and/or zonulin occurs in almost half of those examined (47,7%). Fecal calprotectin levels are associated with indicators of dyslipidemia, obesity, inflammation and atherosclerotic vascular disease, as well as dietary patterns and socioeconomic indicators. Zonulin levels are associated with N-terminal probrain natriuretic peptide levels and the presence of vitamin D deficiency, gallbladder disease, and dietary patterns.

Conclusion. Increase of at least one marker of intestinal permeability and inflammation occur in approximately half of the participants with metabolic disorders from a population sample of St. Petersburg residents. In addition to the association of calprotectin and zonulin with metabolic risk factors and dietary patterns, calprotectin levels were associated with atherosclerotic changes in the carotid arteries.
Clinical and morphological myocardial changes in patients with post-COVID-19 syndrome
Authors: Mayrina S. V. , Makarov I. A. , Mitrofanova L. B. , Vonsky M. S. , Runov A. L. , Papko K. A. , Moiseeva O. M.
Published: November 2023

Aim. To characterize the clinical manifestations and myocardial morphological changes in patients with cardiovascular complications of post-Covid syndrome.

Material and methods. A total of 38 patients (Group I) with cardiac symptoms in the post-COVID-19 period underwent endomyocardial biopsy (EMB). Patients from group I were divided into 2 subgroups depending on the presence of morphologically verified myocarditis. For morphological comparison, group II was formed (41 patients without COVID-19 and with EMB performed before 2019). Group II was also divided into two subgroups with and without morphologically verified myocarditis. In addition to the analysis of clinical and paraclinical data, a histological and immunohistochemical study of myocardial tissue was carried out with anti-CD3, CD68, CD16, HLA-DR, MHC1, C1q, enterovirus VP1, SARS-CoV-2 spike protein, ACE2, Ang1, von Willebrand factor, VEGF antibodies, as well as a PCR of myocardial tissue after reverse transcription. Additionally, an immunofluorescent study of myocardial tissue was performed using antibody cocktails to SARS-CoV-2/ CD16 spike protein, SARS-CoV-2/CD68 spike protein, CD80/CD163. Statistical processing was performed using the NumPy, SciPy, Pandas and Matplotlib libraries in the Python programming language.

Results. Among patients in group I, 65% had morphologically verified lymphocytic myocarditis (subgroup 1, n=29). Other 35% of patients had no signs of myocardial inflammation (subgroup 2, n=9). The comparison group (group II) included 33 patients with myocarditis (80%) and 8 patients (20%) without it. There was a pronounced expression of CD68+ macrophages in the myocardial tissue in patients with postCOVID-19 syndrome in comparison with group II, both with morphological criteria for myocarditis (p=0,014) and without it (p=0,007), mainly due to M2 macrophages. More pronounced expression of CD68+ macrophages was observed when EMB was performed at earlier stages. If SARS-CoV-2 spike protein was detected in group I on the endothelium and inflammatory infiltrate by the immunohistochemistry, PCR of myocardial tissue for SARS-CoV-2 (n=5) was performed, which did not reveal SARS-CoV-2 particles in any of the analyzed samples.

Conclusion. Cardiac symptoms of post-COVID-19 syndrome are caused by myocardial remodeling, including in patients without morphologically verified myocarditis. The direct involvement of SARS-CoV-2 in the development of myocarditis in the post-acute period of COVID-19 has not been proven.
Qualitative and quantitative ultrasound parameters of carotid atherosclerotic plaques in patients with moderate cardiovascular risk according to the SCORE scale: 7-year prospective follow-up study
Authors: Pogorelova O. A. , Tripoten M. I. , Melnikov I. S. , Khamchieva L. Sh. , Tamaeva B. M. , Kozlov S. G. , Balakhonova T. V.
Published: November 2023

Aim. To assess asymptomatic carotid atherosclerosis in patients with moderate cardiovascular risk over a 7-year prospective follow-up using non-invasive ultrasound markers.

Material and methods. Eighty patients (47 men and 33 women) aged 53,1±5,9 years with moderate Systematic Coronary Risk Evaluation (SCORE) level, low-density lipoprotein cholesterol (LDL-C) of 2,7-4,8 mmol/l and asymptomatic hemodynamically insignificant (stenosis <50%) carotid atherosclerosis (CA). Patients underwent CA ultrasound (PHILIPS IU22) at baseline and after 7 years. Plaque number, maximum plaque height, total plaque height, total CA stenosis, visual plaque morphology, gray-scale median (GSM), and intima- media thickness of the right and left common CAs were assessed. All patients were prescribed atorvastatin therapy at a dose of 10-40 mg until a target LDL-С level <2,6 mmol/l was achieved.

Results.During the follow-up period, a significant increase was noted in the number of plaques, the maximum and total plaque height, total CA stenosis, and intima- media thickness of the right and left common CAs. An increase in GSM was detected in 79% of plaques on statin therapy. Plaque echoicity increased by 4,90 [0,51; 17,41] (p <0,001) or 7,2% [0,7%; 29%] (p<0,001) over seven years. Regression analysis adjusted for sex and age showed the dependence of GSM changes (ΔGSM) on changes in the LDL-C level (ΔLDL-C) (p=0,049). With a decrease in LDL-C by 1 mmol/l, an increase in average GSM was noted by 5,9 (0,03-11,78). The maximum plaque height increased significantly after 7-year follow-up from 1,80 [1,50; 2,20] to 2,00 [1,63; 2,68] mm (p=0,044). In patients who reached a LDL-C level of 1,8 mmol/l, the maximum plaque height decreased more than in patients who did not reach this level (-0,07 [-0,45; 0,14] mm and 0,20 [-0,05; 0,40] mm, respectively (p=0,028)). Regression analysis adjusted for sex and age did not reveal a relationship between the change of maximum plaque height with ΔLDL-C and Δhigh-density lipoprotein cholesterol, but with LDL-C level after 7 years.

Conclusion. Statin therapy in patients with CA stenosis <50% stabilizes the plaques due to echogenicity increase. LDL-C <1,8 mmol/l can lead to a decrease in maximum plaque height.
FLOW STRUCTURES IN THE WAKE REGION OF TWO INCLINED FLAT PLATES IN A SYMMETRICAL TANDEM ARRANGEMENT
Authors: Bahrami Arian , Pourasl Hamed H. , Khojastehnezhad Vahid M.
Published: November 2023

Flow properties and wake structures behind bluff bodies have fascinated many researchers for years. Such interest in this phenomenon is due to various applications of bluff bodies in engineering and industry. In this study, flow structures and the downstream wake behind two inclined flat plates in a symmetrical tandem arrangement have been studied experimentally at Reynolds number of 23,000. Constant-temperature hot wire anemometers (CTAs) were employed to quantitatively measure the near wake properties in terms of shedding frequency, velocity components, and turbulent kinetic energy (TKE). The effects of gap ratio (g/D) between the plates and the angle of attack (α) on the wake flow structure have been probed in detail quantitatively. It was found that for a given gap ratio g/D, the Strouhal number decreases as the angle of attack increases. Moreover, for a given angle of attack a, the Strouhal number increases as the gap ratio g/D increases. Interestingly, it was observed that for a given gap ratio g/D, the coherent TKE peak production decreases as the angle of attack increases.
Levantamento epidemiológico do benefício de inibidores de neuraminidase na síndrome respiratória aguda grave por COVID-19
Authors: Flores Thamara Graziela , Antunes Gonçalves Carlos Fernando , Barbisan Fernanda , Manica da Cruz Ivana Beatrice , Agostini Lampert Melissa , Cardoso de Afonso Bonotto Nathália , Niero Volpato Isis
Published: November 2023

Justificativa e objetivos: A pandemia de COVID-19 e sua consequente síndrome respiratória aguda grave (SRAG) levaram milhões de pessoas a óbito desde 2020. O uso de inibidores da neuraminidase é uma alternativa promissora no tratamento dessa doença, com vários estudos sobre o uso off-label sendo conduzidos desde o início da pandemia, mas nenhum que tenha um grande tamanho amostral e que analise vários fatores de risco. O objetivo deste artigo é identificar possíveis associações entre diversos fatores e risco de hospitalização, necessidade de ventilação e óbito, assim como a influência da prescrição de Zanamivir e Oseltamivir nos mesmos indicadores. Métodos: Neste estudo transversal, foi feito o levantamento de aproximadamente 900 mil prontuários de todas as regiões do Brasil, provenientes de dados do Ministério da Saúde, e em seguida foi realizado o tratamento estatístico adequado das variáveis. Resultados: A hospitalização foi associada a sexo, etnia, escolaridade, urbanização do local, Estado e porcentagem de idosos do mesmo, assim como o clima. Já a prescrição de Zanamivir e Oseltamivir foi associada a maior incidência de sintomas, menor taxa de hospitalização e óbito e menor necessidade de ventilação invasiva e não-invasiva. Foram excluídos 146.160 prontuários devido a SRAG não ocasionada pela COVID-19. Conclusão: Com esses dados, é possível traçar um perfil de risco para hospitalização por SRAG e considerar o uso de Zanamivir e Oseltamivir como tratamento para esses pacientes.
Qualidade, oportunidade e tratamento de dados de tuberculose e coinfecção com vírus da imunodeficiência humana
Authors: Simonelli Soares Karllian Kerlen , Hiroshi Hisatugu Wilian , Mattos de Souza Fernanda , Monteiro Andrade Romildo Luiz , Leonor Noia Maciel Ethel , Nascimento do Prado Thiago , Rodrigues Costa Ana Paula
Published: November 2023

Justificativa e Objetivos: A identificação, avaliação e emprego de recursos metodológicos para análise da qualidade dos dados é importante para fundamentar ações de planejamento das políticas públicas no controle da tuberculose (TB) e da coinfecção TB e o vírus da imunodeficiência humana (HIV). O objetivo é analisar a qualidade e a oportunidade de notificação dos casos de TB e coinfecção TB-HIV do Sistema de Informação de Agravos de Notificação (SINAN) no Espírito Santo, de 2016 a 2018. Métodos: Trata-se de um estudo transversal da qualidade dos dados do SINAN com uso do Guia do Centers for Disease Control and Prevention (CDC) de análise da qualidade e oportunidade de notificação do SINAN-TB, com ênfase na descrição da coinfecção TB-HIV no Espírito Santo, de 2016 a 2018. Considerou-se cinco etapas metodológicas que incluíram análise da qualidade, padronização dos registros, análise de duplicidade, a completitude dos dados por meio de linkage com o banco de dados do SINAN-HIVanonimização dos dados. Obteve aprovação ética sob parecer de nº 4022892 em 12/05/2020. Resultados: O estudo mostrou que 89% das variáveis obrigatórias e 91% das variáveis essenciais apresentaram completitude satisfatória. Na coinfecção TB-HIV 73% das variáveis foram preenchidas, porém variáveis essenciais relacionadas ao acompanhamento do tratamento para TB apresentaram completitude insatisfatória. A oportunidade de notificação foi considerada regular. Conclusão: Melhorias nos processos de trabalho e elaboração de processo metodológico específico para o tratamento dos dados são necessárias para qualificar as informações disponíveis no SINAN-TB.
New technological techniques for local repair of worn sections of the converter lining
Authors: Puzyrev Yu. A. , Yakimovskii V. V.
Published: November 2023

The duration of converter campaigns has increased significantly due to improvements in steel smelting technology, quality of used refractories, lining design, as well as due to various ways of maintaining the lining in working condition during the campaign (hot repair).
Mediating effect of social support between COVID-19 stress on the mental health of older adults using customized care services: A cross-sectional study
Authors: Suh Yujin , Park YoungSun , Han Eun-Kyoung
Published: November 2023

Purpose: This study examined the mediating effects of social support on the relationship between COVID-19 stress and the mental health of older adults using customized care services. Methods: A cross-sectional study was conducted with 179 older adults receiving services at two senior welfare centers in Korea. Data were collected from April 1 to 30, 2022, using self-report questionnaires. Data were analyzed using descriptive statistics, and correlations, multiple regression using Baron and Kenny steps for mediation, with the SPSS 22.0 program. Results: The COVID-19 stress of the study participants was significantly correlated with social support (r=-.16, p<.001) and mental health (r=.30, p<.001). Social support showed partial mediating effects in the relationship between COVID-19 stress and mental health (Z=-3.43, p<.001). Conclusion: These findings indicated that mental health programs could improve community social support resources for older adults in vulnerable groups after the COVID-19 pandemic. In the nursing practice, community nurses suggest the development of programs that can be operated in the community by proposing governmental policies for the mental health management of vulnerable older adults in the blind spot.
Characteristics and clinical outcomes of older patients with trauma visiting the emergency department before and during the COVID-19 Pandemic: A level 1 trauma center cohort study
Authors: Cho Ok-Hee , Yoon Jeongeun
Published: November 2023

Purpose: The purpose of this study was to understand the characteristics and clinical outcomes of older patients with trauma before and during the COVID-19 pandemic. Methods: General characteristics, trauma-related characteristics, and clinical outcomes of older patients who visited the emergency department with trauma before the COVID-19 pandemic (March 2018 to February 2020) and during the pandemic (March 2020 to February 2022) were compared and analyzed. Results: A total of 2,270 older patients visited the emergency department due to trauma during the study periods. The proportion of ‘hypertension (yes)’ and ‘diabetes (yes)’ was higher in patients who visited the hospital during the pandemic than before the COVID-19 pandemic. 'Falls and contact injuries.' 'injury-door time (after 24 hours).' 'Injury Severity Score (very severe injury).' and the proportion of 'injury site (external).' were high. The ratio of ‘emergency department results (admission to the ward, intensive care unit)’ and ‘admission result (discharge)’ during the pandemic period was higher than before the pandemic. The survival time of subjects before the pandemic was longer than that of the pandemic period, but there was no significant difference between the two groups. Conclusion: Through this result, it was found that there were differences in the trauma-related characteristics and clinical outcomes of geriatric trauma patients before and during the pandemic. In preparation for infectious diseases that may occur in the future, it is necessary to prepare an effective geriatric trauma management strategy.
International Legal Protection of Landscapes of the Central Ecological Zone of the Baikal Natural Territory
Authors: Kolobov1, Roman , Ditsevich Yaroslavа , Davydova Elena
Published: November 2023

The article discusses the content of international legal instruments on landscape protection, such as the European Landscape Convention, 2000. It also analyzes the legal incorporation of the concept and legal regime of landscapes into the legislation of the Russian Federation. The study examines foreign legislation, especially, law of some European countries and gives examples of legal mechanisms for landscape protection that are enshrined in the legislation of such states. Also, the article describes some of the legal and institutional mechanisms that exist in European associations, in particular in the Council of Europe, and aimed at coordinating cooperation among States in the area of landscape protection in the use of natural resources. Also as a result of a retrospective analysis of domestic legislation, legal mechanisms that have contributed to integrated landscape conservation, such as Territorial Integrated Nature Conservation Schemes, have been identified and described. The article contains some proposals for improving and supplementing domestic legislation with legal norms on landscape conservation, the adoption of which, in the authors› view, could improve the legal mechanism for landscape conservation and protection in Russia, in particular within the Central Ecological Zone of the Baikal Natural Territory. The authors conclude that there is no systematic legal mechanism in the Russian Federation for the protection of natural landscapes, in particular the landscapes of the Central Ecological Zone of the Baikal Natural Territory. There is also a need to develop a legal framework for the protection of natural landscapes, including on the basis of positive foreign experience.
Criminal and Legal Characteristics of Fraud Committed by Education Workers
Authors: Sidorova Ekaterina
Published: November 2023

Fraud, according to the current criminal legislation, belongs to the category of crimes against property. At the same time, under certain conditions, this crime (especially qualified and specially qualified components of this crime - ch. 3, 4, 5, 6 and 7 of Article 159 of the Criminal Code of the Russian Federation) is more appropriate to recognize a corruption-oriented crime, and it is also present in the field of education. The author refers to the criminal-legal characteristics of this corpus delicti committed by education workers. The author refers to the latter not only teaching staff, but also persons performing administrative functions in the educational environment. These are, in particular, heads of preschool educational organizations, school principals, heads of higher educational organizations and other persons. According to the author, the public danger of corruption crimes committed by education workers lies in the fact that these workers (especially those who perform pedagogical functions), due to the specifics of their professional activities, are obliged to set an example by their behavior, since students and pupils, often unconsciously, are guided by their teachers. A teacher is a person who should be a model of morality, decency and law-abiding. But, unfortunately, nowadays it is increasingly possible to hear about certain corruption crimes committed by education workers. Based on the current legislation and resolutions of the Plenum of the Supreme Court of Russia, the objective (object, objective side) and subjective (subject, subjective side) elements and signs of this crime are revealed, examples of judicial practice are given. The article also analyzes qualified and specially qualified fraud formulations that are important for the field of education. In conclusion, the author focuses the readers' attention on the fact that criminal legal counteraction to fraud committed by education workers is one of the measures to combat such criminally punishable acts, and this direction of state activity is necessary for modern society.
Object Positioning and Action Positioning in the Media Text: General and Different
Authors: Novichihina Marina , Samoilenko Nikita
Published: November 2023

In the situation of transformational processes inherent in modern journalism, a number of new functions of the journalistic text are actualized. One of these functions is the positioning function. It consists in forming the position of the mass audience in relation to certain objects of reality, forming an idea about these objects. Obviously, nomination is of paramount importance in this positioning. It is she who allows one and the same fact to be interpreted in the way necessary for the nominator.
This work is based on the assumption that there are fundamental differences in the nominative ways of positioning an object and action in a media text, and is aimed at identifying these differences.
The study carried out on the basis of five news stories and on the material of 71 nominations confirmed the hypothesis that there are significant differences between the nomination of an object and the nomination of an action in the media test. In particular, the results of the study showed that, in contrast to the nomination of an object, the nomination of an action forms an idea not only of the action itself, but also of its producer.
The described research and its results can be used to improve the practice of positioning an object (phenomenon) or action in a media text. The prospect of the same research is seen in the study of the specifics of the positioning of the attribute of an object (quality, properties, etc.) in the text of the mass media.
Social Commerce as a Form of Economic Mass Communications
Authors: Rubtsova Natalia , Solodukhin Konstantin
Published: November 2023

The growing popularity of the use of social networks and messengers gave rise to a new phenomenon of "social commerce", which is a new form of economic mass communications. The key idea of social commerce is the exchange of goods and services based on interaction and the formation of close relationships between buyers and sellers through various online platforms. According to modern marketers, social commerce is one of the most powerful communication tools available. Social networks bring together a significant number of users and provide various opportunities for the implementation of marketing goals. However, the concept of "social commerce" still does not have a generally accepted definition and needs to be operationalized.
The authors conducted a critical review of international and local research devoted to the study of the phenomenon of social commerce. They identified several approaches to the interpretation of this concept. The concept of social commerce is perceived from three perspectives: as a form of e-commerce, as a form of social interaction, and as a form of commercial activity. Based on the assumptions presented in the scientific review of P. Zhang, the authors developed a model of "social commerce". The presented model allowed the authors to clarify the definition of the concept of "social commerce". The research expanded the list of tools for the practical implementation of social commerce developed by L. Indvik. The results of the study expand our understanding of "social commerce" and can serve as a conceptual basis for future studies.
The Origins and Early Stages of the Formation of National Media in Korea
Authors: Kim Seulki
Published: November 2023

The study examined the origin of Korean print media. Korean media in general; and particularly the Enlightenment Period of Korean history are poorly represented in Russian academic research. Despite the large number of studies, most of the works of Korean scholars devoted to this period describe individual facts or events of that time which lacks holistic perception of the era. In the current study the author has filled this gap by referring to the description of general trends in the functioning of Korean media from 1883 to 1910. At the same time, we also analyzed the origin of the newspapers and their role in the society considering the political situation at the time. The objects of the study were state owned newspapers (Hansungsunbo, Hansungjubo) and private newspapers (Dokripsinmun, Jeguksinmun, Hwangseongshinmun, and Taehan Mail Shinbo). Newspaper content, tone, main readership, and circulation were described and classified. The primary journalistic figures of the time are also highlighted. The main functions of the newspaper were to inform the population about the transition to a new form of government in the country and to promote independence of Korea. Additionally, newspapers helped the government to explain policy to the general public but also criticized it in cases of discrepancies with state policy. This positive influence of newspapers on society in the late 19th and early 20th centuries sets the benchmark towards which modern media should strive.
Norwegian Newspaper Market During the COVID-19 Pandemic
Authors: Prostyakova Veronika
Published: November 2023

The Norwegian media system has a variety of media outlets. However, historically, it was newspapers that were the most demanded and popular media among Norwegians. Newspaper became the basic assets of Norway's first media groups. In 2020, three media companies were represented on the newspaper market: Shibstead, Amedia, and Polaris Media. The research is an analytical study of the Norwegian newspaper market during the COVID-19 pandemic. The purpose of the study was to identify the main trends in the development of the Norwegian newspaper market during the pandemic.
The results of the analysis Norwegian newspaper market in 2020 showed that, firstly, one of the main trends has become the concentration of media assets, which is increasing every year, and in 2020 its predominance was facilitated by changes in media regulation. Secondly, the pandemic has accelerated the digitalization of newspapers, which has affected the growth of digital circulation, and, as a result, has a beneficial effect on the revenues of media companies, as well as the government strategy for the transition to digital media. Third, advertising revenues of offline newspapers continued to decline, but none of newspapers closed, and operating profit of media companies increased compared to 2019. Thus, despite the restrictions associated with the pandemic, the trends in the development of the Norwegian newspaper market were associated mainly with the strengthening of trends that formed earlier, and not of those that were a result of the COVID-19 pandemic. The empirical base of the study was the reports for 2020 of the Norwegian Media Office, the Statistics Bureau of Norway, reports of S. Hirst on researching the Norwegian newspaper market, reports of the media companies Shibsted, Amedia, Polaris Media.
Upaya Guru Dalam Mengembangkan Kemampuan Berpikir Kritis Siswa Sekolah Dasar Pada Pembelajaran IPS: Studi Literatur
Authors: Komalasari Imas , Ridwan Ita Rustiati , Alfarisa Fitri
Published: November 2023

Critical thinking skills for elementary school students are very important to face challenges in the era of globalization. This study aimed to determine: 1) critical thinking skills of elementary school students in social studies learning, 2) supporting and inhibiting factors that influence teachers in developing critical thinking of elementary school students in social studies learning, 3) what efforts can be made by teachers in developing students' critical thinking skills in social studies learning. This study used a qualitative approach with research techniques using literature studies. The occurrence of the Corona Virus 2019 (Covid-19) outbreak and the enactment of social and physical distancing became obstacles for researchers because they could not research directly into the field. The data used were secondary data obtained from books, articles, journals, previous research, as well as data that researchers obtain from the internet in accordance with the research problem being studied by the researcher. The results showed that: 1) students' critical thinking skills in social studies learning are still lacking, 2) 2013 curriculum is a supporting factor for teachers in developing critical thinking, and the inhibiting factor is the use of the lecture method which is continuously used without innovation, 3) efforts that can be made teachers to improve critical thinking in the classroom can use several methods, namely: cooperative learning methods are proven to improve students' critical thinking skills, including the TPS method (Think-Pair-Share), scientific approach, social inquiry, problem-based and or project-based learning, collaborative or cooperative and active-participatory methods, increasing interaction between students, asking open-ended questions or innovative questions that can trigger students' thinking skills.
Analisis Kesalahan Siswa Kelas IV SDN Serang 8 dalam Menyelesaikan Soal Cerita pada Materi Pengukuran
Authors: Damayanti Intan Shella , Tiurlina Tiurlina , Fitriasari Novi Sofia
Published: November 2023

This research described the students' errors in solving story qustions in grade IV SDN Serang 8. Most students find it difficult to interpret the purpose of the calculation questions in the form of stories and often get less scores because of the errors students make when students answer calculation questions in story form. This study aimed to find out what are the causes and errors made by students, then find out how the solutions can be given and carried out by students or teachers. This research used a qualitative approach with the descriptive type of research. By using content analysis methods, namely research by examining the text of documents or books to draw conclusions based on the context of their use. The data collection procedure was carried out by giving several research instruments in the form of 4 mathematical story questions about measurement and conducting interviews to produce oral data from participants. The findings of this study indicate that there are several facts that cause this occurrence of students’ errors. They are students did not understand the concept, students made calculation errors, some students did not answer correctly, and students did not answer in a complete way until the final answer. Researcher produced data on the level of ability of grade IV SDN 8 students. There are 3 students who have high ability level, 10 students have medium ability level, and 7 students have low ability level. This research was expected to help to provide solutions so that students are able to solve story problems correctly and according to the procedure for solving them.
Implementasi Layanan Home Visit dalam Mengatasi Kesulitan Belajar di Masa Pandemi (Studi Kasus di SDN Sukasari 03 Kecamatan Rumpin Kabupaten Bogor)
Authors: Rahayu Intan , Chudari Ima Ni'mah
Published: November 2023

The study aimed to find out of implementation of home visit services in overcoming the learning difficulties of students of SDN Sukasari 03 Sukasari Village, Rumpin Subdistrict, Bogor Regency, as well as to know the supporting and inhibitory factors. A qualitative approach is used in this study and the method used is case study. Participants in this study were the Head of SDN Sukasari 03, the teacher, 3 students, and 3 parents. Obsevations, interviews, and documentation are the data collection tools in this study. The results showed that the implementation of visiting teachers at SDN Sukasari 03 was initiative of grade VI teachers, the planning carried out was that teachers and school first identify learning difficulties that need to get home visit services, then determine the names of students who need home visit services, and make an implementation schedule. In the process, the teacher communicates in advance to the principal. The teacher conveys purpose of his arrival, discusses the difficulties experienced by students, establishes cooperation with parents. Evaluation is done that during the home visit process such as planning by giving a letter of advance notice to students and parents so that when the teacher visits the parents do not feel confused, it is used as improvement material for the future. Follow-up is done for students whose learning has not been resolved so it is necessary to hold a home visit replay. Teachers always report to the principal accompanied by photo evidence of the implementation of the home visit. The supportive responses of parents, principals, and other teachers. The factors home visit services are the less supportive responses of parents, students who are less open to the difficulties they experience, transportation costs, distance between school and student homes, and unfaithful weather.
Analisis Karangan Cerita Pendek Siswa Kelas IV SDN Cilincing 05 Kota Jakarta Utara pada Pembelajaran Bahasa Indonesia
Authors: Eugenia Anastasya , Widjojoko Widjojoko , Wardana Deni
Published: November 2023

Understanding the structure of a short story composition is very important for elementary school students. Through this structure, it will greatly help students in the future in world education because the structure of an essay will bring students to understanding written work. So far, students in making short story essays have ignored the intrinsic elements, it is very unfortunate if there are ideas to make essays but they are not arranged systematically. Through the learning material to make short stories, it is hoped that students can always pour their thoughts into a written work, but in fact, students can understand the material that is currently obtained because of the current learning system through long distances. This research is here to analyze the short story essays of the fourth-grade students of SDN Cilincing 05, North Jakarta City. This research will focus on the intrinsic elements contained in students' short story essays, including the theme, the plot of the place, the timeline, and the mandate contained in the short story essay written by students. Then the data goes through the data reduction process, traffic is in the form of tables in order to make it easier for understanding in understanding the content of the research. The data that has been obtained is then analyzed by researchers using content analysis research methods. Content analysis is certainly the right method for this research because content analysis reveals the meaning of a text. From the research that has been done, teaching materials are obtained to write short stories by paying attention to the intrinsic elements to make it easier for students to make essays
Mengintegrasikan Permainan Ular Tangga Baduy Menggunakan Model ADDIE Sebagai Alternatif Media Pembelajaran Bangun Datar Berbasis Nilai-Nilai Kearifan Lokal Baduy
Authors: Burhanudin Burhanudin , Arisetyawan Andika
Published: November 2023

In practice, learning media use is still rarely used, and the integration of culture in the mathematics teaching media for two-dimensional figure materials is still minimal. It is the basis for researchers to develop learning media for snakes and ladders based on Baduy culture, integrated with two-dimensional figure materials. This study aims to create learning media based on the local wisdom of Baduy that can attract students' motivation in learning mathematics with the two-dimensional figure. The research subjects are grade IV students. The method used is ethnography. Ethnographic methods are used to collect information related to Baduy culture. Data collection techniques used interviews, observations, and documentation studies. Then, after all the data were collected, the researcher used the ADDIE model to develop learning media. The steps taken are. In the analysis stage, the researcher performs task analysis, identifies problems, and analyses needs. The researcher designed the learning media framework and materials based on research and data on local wisdom of Baduy culture in the design phase. In the development phase, researchers developed a media framework and teaching materials and then validated them. The implementation stage conducted a trial of media and teaching materials with 13 students as the subject at SDN Gelam 2. The evaluation stage made product improvements based on the results of the trial of teaching materials. From this stage of development, the researcher concluded that the media and teaching materials that were made could attract students' learning motivation and could be used in learning two-dimensional figure materials for grade IV elementary school. The results of this study are the Learning Implementation Plan (RPP), Student Worksheets, Baduy Snakes and Ladders Learning Media, and learning evaluation questions
Peningkatan Hasil Belajar Matematika Mengenal Arti Pecahan dan Urutannya melalui Model Tutor Sebaya Berbantuan Media Benda Konkret bagi Siswa SD Kelas III
Authors: Cholifah Ida
Published: November 2023

Elementary school mathematics learning starts from the students' real-life environment. All learning activities begin with presenting a concrete problem. The purpose of this study was to improve the quality of the process and learning outcomes of mathematics by recognizing the meaning of fractions and their sequences in third-grade students of State Elementary School of Landungsari 1, Dau District, Malang Regency through peer tutoring models assisted by concrete objects. This study uses a participatory classroom action research design. This research model uses a cyclical model from Kemmis McTaggart, each cycle consists of 4 stages, namely: 1) Planning; 2) Action; 3) Observation; 4) Reflection. This research was carried out in 2 cycles, each cycle consisting of 4 stages. The increase in learning outcomes of the peer tutor model assisted by concrete objects is very significant. In the first cycle, mastery learning reached 65.2%, and in cycle II classical completeness reached 86.96% or as many as 20 students from 23 students reached the specified KKM, which was 70 for mathematics in class III. Student learning activity in pre-cycle is 61%, in cycle I is 82%, and in cycle II is 92% consecutively. The results of the research prove that the peer tutor assisted by concrete objects can increase the activity and learning outcomes of third-grade students at SD Negeri Landungsari 1, Dau District, Malang Regency
ANALISIS TOKOH DAN PENOKOHAN DALAM FILM ANIMASI TREASURE TREKKERS
Authors: Khoriah Ismatul , Salim Herli
Published: November 2023

Different abilities of children demanded teachers to be rich in ideas when carrying out learning so that all children can understand learning well. Children’s high interest in watching animated films can be utilized as learning materials. Animated films are expected to make learning more effective for children. In this study, researchers analyzed characters and characterizations in the animated film Treasure Trekkers consisting of the main character, additional characters also characterization of the protagonist and antagonist so can be used as learning material following the material for class 4 sub-theme 1 about telling characters in fiction stories because children face difficulty to tell characters in fiction stories. Treasure Trekkers is one of the animated films that are suitable as learning material. This film tells the story of three explorers who explore the world, on a mission to find the most valuable treasures, namely kindness, and friendship. In this film, children will learn about the characters with various characters they have, so it will be easy for children to tell the characters in fiction stories. The researcher uses a qualitative approach because produces data in the form of a description containing a detailed explanation of the topics discussed in a tested manner, a content analysis method that is to discuss in full the contents of something to be analyzed. Researchers found characters and characterizations in the animated film Treasure Trekkers and describe the message that each character carries aiming to make students easier to achieve basic competencies in telling characters in fiction stories. Students also will learn in an effective and not boring.
Penerapan Model ADDIE Pada Perancangan Permainan Ular Tangga Digital Berbasis Budaya Materi Bangun Datar
Authors: Rizkitania Alifira , Arisetyawan Andika
Published: November 2023

This research focuses on designing a digital snake and ladder game that is integrated with Baduy culture on flat-shaped materials. This study uses two methods consisting of an ethnographic method used to obtain information about Baduy culture and the next method for designing digital learning media using the ADDIE model stage consisting of analysis, design, development, product testing, and evaluation activities. The research subjects used were 31 fourth-grade students of SDN Pasar Baru 1 Tangerang City. Data collection techniques used interviews, observations, questionnaires, and documentation studies. The results of the study based on the validation of media and material experts stated that the culture-based digital snake ladder game learning media was feasible to be used as a learning medium for fourth-grade students on flat-shaped materials. Student responses to culture-based digital snake and ladder game media make students interested in learning mathematics and culture. It can be concluded that the digital snake and ladder game media can be used as a distance learning solution so that students are not bored in learning mathematics. The culture-based digital snake and ladder game is a new alternative media that is fun, attracts students to learn mathematics as well as culturally, interactively, and innovatively.
Potensi Model Joyful Learning Berbantuan Media Aplikasi Quizizz Terhadap Motivasi dan Hasil Belajar
Authors: Saputri Eka Indah , Sutarjo Ajo , Hanif Muhammad
Published: November 2023

Corona virus which has become a pandemic in Indonesia prompted the Minister of Education and Culture to issue a letter that the implementation of education during the COVID-19 emergency on March 24, 2020, was carried out online. Along with implementing the online learning policy at home mandated by the government, the role usually carried out by the education unit has now changed its function in the family unit. Because teaching activities are the core and implementation of learning, the quality of education and graduates are influenced by the teaching and learning process. Therefore, the researcher believes online teaching should get special attention, so students do not feel pressured and frustrated. Teachers can also learn according to their goals with syllabi and lesson plans. Learning that can provide new impetus in the learning process during a pandemic is fun learning, which is the choice, namely the joyful learning model. And so that this fun learning materializes for the learning process, a supportive media is needed, namely Quizizz. This study aims to analyze the motivation and learning outcomes of students who use the writing method of literature study or literature study by analyzing 20 journals, namely 14 national journals and 6 international journals. The analysis results in previous studies found that using the joyful learning model assisted by the Quizizz application potentially could increase students' motivation and learning outcomes during online learning during the covid-19 pandemic
Pengaruh Model Talking Stick dan Media Audio Visual Terhadap Hasil Belajar Tematik Kelas V
Authors: Destini Frida , Khairani Fadhilah , Tias Ika Wulandari Utamining
Published: November 2023

Educators are expected to be able to apply learning models that can motivate students to be more active, responsible, respective and cooperative to others and can improve student learning outcomes. One of the learning models that can be used is the talking stick type cooperative learning model. This research is expected to be able to solve problems related to students' thematic learning outcomes. The purpose of this study was to determine the effect of the talking stick model and audio visual media on the thematic learning outcomes of students. The method used in this study is a quasi-experimental design with a non equivalent control group design. This study uses a saturated sample technique. The instruments used in this study are tests and non-tests, while data analysis uses simple regression tests and multiple regression tests. The results of the study concluded that there was an effect of the application of the talking stick model and audio media on the thematic learning outcomes of students as well as an increase in N-gain of 0.59 in the "Medium". So it is hoped that the application of the talking stick model and audio-visual media to the thematic learning outcomes can be used as a reference for elementary school class teachers
Meningkatkan Pemahaman Siswa Kelas V SDN 1 Cikukulu Tentang Keputusan Bersama Pada Mata Pelajaran PKN Melalui Metode Diskusi
Authors: Indriyani Ikoh
Published: November 2023

The background of this research was that Civics Education learning about joint decisions has not achieved satisfactory results and there were still many students who scored below the Minimum Completeness Criteria. Most students had difficulty in understanding the notions of joint decisions and were less active in learning activities so that students had not fully mastered the material of joint decisions. This study aimed to improve students' understanding and learning outcomes about joint decisions by creating a conducive learning situation by applying the discussion method. The subjects of this action research were fifth grade students of State Elementary School of 1 Cikukulu semester II for the 2021/2022 academic year. Research data obtained by means of observation, documentation and field notes. From the analysis of research data, the following conclusions are drawn: 1). The learning planning carried out by the teacher by applying the discussion method can be a guide for the teacher in the implementation of learning so that learning is directed and student activities are guided. 2). The learning process carried out by the teacher by applying the discussion method can increase student activity in participating in learning activities so that students are active in digging up information about learning materials and have implications for increasing students' understanding of learning materials. 3). With the implementation of the discussion method in learning about joint decisions at State Elementary School 1 Cikukulu, it can increase the conduciveness of learning because learning occurs in multiple directions, learning is not focused on the teacher alone, students become active in participating in learning activities.