Junior High School Students Research Articles

Science E-Book Integrated with Local Potential of Petis Making Based on Problem Based Learning-ESD to Improve Science Literacy Skills of Junior High School Students

This study aims to determine the effect of science e-books integrated with local potential based on PBL-ESD on students' science literacy skills on the sub-topic of mixture separation methods. This research is an experimental research with One Group Pretest-Postest research design. The population in this study were VIII grade students of SMP Negeri 8 Yogyakarta and the sample technique used was random sampling, namely VIII-f and VIII-i classes totaling 55 students. The instrument used was a test in the form of multiple choice questions to measure students' science literacy skills. Paired Samples T-Test test results obtained Sig. (2-tailed) of 0.00 <0.05 which shows there is a change in the improvement of students' science literacy skills between before and after using the e-book. The increase in students' science literacy skills is supported by the N-gain value of 0.24 which is included in the low category and the effect size test results of 0.59 which shows a moderate category. The highest indicator of students' science literacy ability is explaining phenomena scientifically . So it can be concluded that there is an effect of science e-book integrated with local potential based on PBL-ESD on students' science literacy skills on mixture separation material.

Questionnaire survey on the long-term quality of life of patients with congenital esophageal atresia in Japan.

To identify the current challenges faced by children with surgically treated esophageal atresia (EA) at the start of elementary, junior high, and high schools. Questionnaire surveys were administered at the pediatric surgery departments of 19 representative institutions across Japan between December 1, 2018, and January 31, 2019. The surveys included gross classification, status of hospital visits, surgical procedures, postoperative complications, symptoms at the time of the final evaluation, status of school attendance, and related information at 7, 13, and 16years old. A total of 572 children with EA were included. Data from 59 first-grade elementary school students, 42 first-year junior high school students, and 30 first-year high school students were extracted for this study. Most postoperative complications remained unresolved, and many children with EA continued to exhibit symptoms at the final evaluation. Despite many children having clinical and academic problems, 33% (43/131) were lost to follow up. Older children with EA experience various problems. Long-term follow-up and continuous support are important for all EA patients.

Dampak Kecanduan Game Online pada Siswa SMP

Online game addiction among teenagers, especially middle school students, has become an increasingly pressing problem, considering its negative impact on various aspects of students' lives. According to Yunita (2019), the impact of online game addiction has an impact on time, financial, academic, psychological, social and health aspects. This research aims to identify the impact of online game addiction on junior high school students in terms of time. 2. financial aspect. 3. academic aspect. 4. psychological aspect. 5. social aspect. 6. health aspect. The method used in this research is quantitative with descriptive research type. The research sample was 94 students selected using purposive sampling technique. Data was obtained by distributing research instruments in the form of questionnaires on the impact of online game addiction on junior high school students which had been tested for validity and reliability. Data is processed using percentage techniques. The research results show that the impact of online game addiction on students is seen from: 1. In terms of time: forgetting time when playing online games (25.53%). 2. Financial aspect: spending pocket money to buy items in online games (15.95%). 3. Academic aspect: academic grades decrease due to spending more time playing online games (30.85%). 4. Psychological aspect: it is difficult to control emotions when experiencing defeat in an online game (44.68%). 5. Social aspect: it is more comfortable interacting with friends in online games than meeting in person (24.46%) 6. Health aspect: feeling pain in the neck and back due to sitting for too long in front of the screen playing online games (40.42%). The implications of guidance and counseling services that can be provided are individual counseling services, group guidance services and group counseling services.

Corrigendum: What are the important factors influencing the physical activity level of junior high school students: a cross-sectional survey

Corrigendum: What are the important factors influencing the physical activity level of junior high school students: a cross-sectional survey

Pengaruh Pendidikan Karakter terhadap Prestasi Akademik Setingkat Menengah Pertama

This study aims to explore the influence of character education on the academic achievement of junior high school students. Through literature analysis and empirical data from previous research, it was found that character education has a significant impact on improving academic performance. The effective implementation of character education is carried out through collaboration between parents and teachers, creating an environment that supports students' character development. A strong character, shaped by internal motivation and external support, influences students' attitudes and behavior in the learning process. The study results indicate that with well-managed character education, junior high school students become more engaged, enthusiastic, and productive in achieving their educational goals. Engaging teaching methods, emotional support, and recognition of students' efforts play a crucial role in creating a positive learning atmosphere. Thus, this study highlights the importance of character education in supporting academic achievement and the overall development of junior high school students, helping shape individuals who are not only academically intelligent but also possess strong moral values.

PENGEMBANGAN MODUL AJAR MENULIS CERITA PANJI DENGAN STRATEGI METAKOGNITIF SMP KELAS VII

This study aims to develop a teaching module for writing Panji stories based on metacognitive strategies for junior high school students in grade VII. This module is designed to improve students' creative writing skills while introducing local cultural values through Panji stories. The research used the Research and Development (R&D) method with four stages of development, namely define, design, develop and disseminate. The data collection technique in this study involved three steps, namely observation, interview, and validation questionnaire. While the data analysis technique in this research is quantitative descriptive. The results showed that the developed module was valid and relevant to the curriculum. Feedback from teachers and students indicated that the module helped students in understanding the story structure, developing characters, and conveying moral messages. The metacognitive strategy approach applied enabled students to plan, monitor, and evaluate the writing process. In addition, this module supports the development of 21st century skills, such as critical thinking, creativity, and collaboration, as well as utilizing information technology in learning.

E-LKPD Based on Socio-Scientific Issues: A Means of Developing Science Literacy and Critical Thinking In The Era Of The Independent Curriculum

Against the background of the limitations of learning media in facilitating the learning needs of students, as well as the importance of critical thinking skills and science literacy in facing global challenges. The independent curriculum is an approach designed to meet the learning needs of students flexibly, but still requires the active role of teachers in conveying essential concepts, so the development of SSI-based e-LKPD is expected to be an effective learning innovation to develop students' critical thinking skills and science literacy. The purpose of the study is to measure the effectiveness of SSI-based e-LKPD on environmental pollution materials on students' science literacy and critical thinking. The use of the liveworksheet application is used for interactive learning media. This type of research is quasi-experimental design with the one group pretest-posttest design method. The research was conducted in grade VIII of junior high school in Tanggamus district with a total of 128 students. Data analysis uses n-gain test and t-test. The results of the analysis obtained an n-gain of 33 in the control class and 53 in the experimental class. This value is in the range of 40-55 with the category of less effective. Furthermore, the results of the t-test showed a significant difference between the control and experimental classes (p<0.05); reject H0, thus that SSI-based e-LKPD is effective in improving critical thinking skills and science literacy of junior high school students.

The effects of teacher persuasion on Chinese junior high school students’ math self-efficacy: the multiple mediation of intrinsic value and math anxiety

The effects of teacher persuasion on Chinese junior high school students’ math self-efficacy: the multiple mediation of intrinsic value and math anxiety

Hubungan Self Awareness Terhadap Penyesuaian Diri pada Siswa SMP di Kulon Progo

This study aims to determine the relationship between self-awareness and self-adjustment in junior high school students in Kulon Progo Regency. This study used a correlational quantitative method with a sample of 104 students taken through cluster random sampling technique. The research instruments include a self-awareness scale that has been tested for validity and reliability, and a self-adjustment scale. The results of data analysis using Product Moment correlation technique showed a significant relationship between self-awareness and self-adjustment with a correlation coefficient of r=0.970r=0.970r=0.970 (p < 0.05). This finding indicates that self-awareness contributes significantly to students' ability to adjust, both in social and academic environments. The implication of this study shows the importance of developing self-awareness through training programs and reflective activities in schools to improve students' adjustment ability.

Creating mental immunity to reduce the risk associated with substance abuse among junior high school students in Nakhon Pathom Province, Thailand

Creating mental immunity to reduce the risk associated with substance abuse among junior high school students in Nakhon Pathom Province, Thailand

Students' misconceptions in algebraic concepts: A four-tier diagnostic test approach

Misconceptions in algebraic thinking refer to misunderstandings in grasping and manipulating abstract concepts such as variables and mathematical relations. These misconceptions are often consistently applied by students in certain situations even though they deviate from the correct concept. This qualitative study used a case study approach focused on analyzing students' misconceptions in understanding algebra, specifically in the topic system of linear equations in two variables (SLETV). This study utilized a four-tier diagnostic test combined with the Certainty of Response Index (CRI) to identify students' misconceptions. The test consisted of 12 questions covering four aspects of algebraic thinking: problem-solving, mathematical modeling, generalization, and analytical thinking. The subjects were 118 junior high school students in Ponorogo who had studied SLETV materials. The results showed that students experienced misconceptions, such as errors in interpreting mathematical statements, simplifying concepts, and organizing ideas. Although their understanding was incorrect, the students exhibited a high level of confidence in their answers. Teachers should use more explicit approaches to convey abstract concepts and provide appropriate feedback. Diagnostic tools such as the CRI can help teachers identify students' misconceptions and offer more effective remedial teaching, thereby significantly enhancing students' understanding of algebra.

Development of PISA-type questions and activities using election context to determine students' mathematical reasoning

The importance of developing PISA-type questions and learning activities is to familiarize students with these questions. This study employs a research design with development studies that include the stages of preliminary evaluation and formative evaluation. This research was conducted in response to the low mathematical reasoning skills of students in Indonesia, focusing on eighth-grade junior high school students. Qualitative findings were obtained from field data in the form of interviews, photos, and videos of the activities. The results of this study produced six units of activity questions and three units of evaluation questions on the theme of elections, which are valid and practical for enhancing mathematical reasoning abilities of eighth-grade students. The average score of students for Activity 1, Activity 2, and evaluation questions reached 53.45, indicating the potential effect of PISA-type questions and activities in the context of uncertainty and data with the theme of elections on students' mathematical reasoning skills, which are categorized as adequate. The reasoning indicator that appeared most frequently was the ability to make a conjecture, while the ability to manipulate mathematics was rarely observed. Overall, PISA-type questions and activities in an election context can be used to strengthen students' mathematical reasoning abilities.

The impact of mathematical disposition and self-efficacy beliefs on secondary school students' mathematical literacy

The mathematical literacy skills of Indonesian students, as reflected in the PISA results, continue to be a concern because of their poor performance. Students with high mathematical disposition and high self-efficacy are often more proficient in mathematical literacy. This study aimed to examine how mathematical disposition and self-efficacy affect students’ mathematical literacy skills. This study employed a quantitative approach with a nonexperimental design and adopted a causal associative methodology. Data collection involved administering mathematical disposition and self-efficacy questionnaires, along with a mathematical literacy test, to 56 junior high school students. The analysis was performed using structural equation modeling-partial least squares (SEM-PLS) in the JASP 0.18.3.0 application. The results showed that mathematical disposition significantly enhances both self-efficacy and mathematical literacy skills. Conversely, while self-efficacy positively influenced mathematical literacy skills, the effect was not statistically significant.

D PENGARUH MODEL NUMBER HEAD TOGETHER (NHT) TERHADAP KEAKTIFAN BELAJAR PESERTA DIDIK

The use of a model in Teaching and Learning Activities (KBM) is so important for teachers so that in the learning process students are active, student learning activeness is the teacher's dream when the learning process takes place. So research was conducted in order to answer the problem. The purpose of this study, to provide an explanation that the Number Head Together (NHT) model affects the liveliness of students. This research was conducted at As-Syafi'iyah Islamic Junior High School. The method used in the research is quasi-experiment with a survey approach. The population in the study were all seventh grade students of As-Syafi'iyah Islamic Junior High School, with a sample size of 41 students. Data collection techniques were carried out by observation, interviews, questionnaires, and documentation. The results showed that the Number Head Together (NHT) model had a significant impact on student learning activeness, this was supported by the value of ????ℎ???????????????????? > ???????????????????????? (19.002 > 2.042) at the 0.05 significance level, then rejecting ???????? and accepting ????????. So it can be concluded that the Number Head Together (NHT) model is very appropriate to be implemented in the learning process so that students are active in learning. Keywords: Effect, Number Head Together (NHT), Learning Activity, Students

Development of Project Based Learning STEAM based Water Purifier Educational Kit on Water Pollution to Train Critical Thinking Skills

Critical thinking skills are one of the skills needed in the 21st century. In one of the junior high schools in Pasuruan, students' critical thinking skills are low, so they still need improvement. The goal of this research was the creation of a learning media for an educational kit based on PjBLSTEAM that is considered worthy of being tested for its validity, practicality, and effectiveness in training junior high school students' critical thinking skills on water pollution material. The development procedure was based on the ADDIE model (analyze, design, develop, implement, and evaluate) with data collection techniques using interviews, questionnaires, and pretest-posttest questions. Data analysis techniques were applied using qualitative descriptive techniques, percentage analysis, validity tests, practicality, and effectiveness tests from the paired sample Ttest and N-Gain tests. The results of the media and material validation tests were shown to meet very valid criteria. The results from the teachers and students' feedback showed a very practical percentage. The media was considered effective, as evidenced by the results of the paired sample t-test, which indicated a difference in students' critical thinking scores before and after treatment, and the N-Gain test results, which showed a medium bar value. This research indicates that the learning media developed was valid, practical, and effective for training students' critical thinking skills

The effect of sleep quality on learning engagement of junior high school students: the moderating role of mental health

IntroductionA good quality of sleep is not only an important guarantee for students’ academic life, but also an important founding condition for their physical and mental health development. The study aims to explore the relationship between sleep quality and students’ learning engagement, and to deeply analyze the moderating role played by mental health.MethodsA questionnaire survey was conducted among some junior high school students in Rizhao City, Shandong Province for the research.ResultsThe results show that: (1) The main effect of sleep quality on learning engagement is significant (β = 0.476, t = 1.829, p < 0.001), specifically, the better the sleep quality, the higher the students’ learning engagement. (2) The influence of sleep quality on learning engagement is moderated by mental health (β = –0.850, t = -2.652, p = 0.006), that is to say, the influence of sleep quality on learning engagement is more significant for students with poor mental health, and mentally healthy students can effectively alleviate the negative impact of sleep problems on their learning engagement.DiscussionResearch shows the significance of good sleep quality and mental health for students’ learning. The research results provide empirical evidence for schools, families, and policy makers to improve students’ academic achievement and mental health.

P-1828. Virulence-Associated Genes of Carbapenem-Resistant Klebsiella pneumoniae isolates in a National Government Referral Center in the Philippines

Abstract Background Klebsiella pneumoniae (KP) infections are common in the Philippines. Local carbapenem resistance (CR) is at 11-50%. In addition to the rising antimicrobial resistance (AMR), some types of KP cause disseminated infection that can lead to poor clinical outcomes. Aside from describing AMR, it is also important to identify virulence genes to fully understand the pathogenesis of KP infections. There is no local data on the characterization of virulence genes on KP isolates and its impact on patient outcomes. Methods This is a cross-sectional study that utilized bio-banked CR KP isolates collected from November 2019 to January 2020 at the Philippine General Hospital, the national government referral center. Identity of the banked presumptive isolates were confirmed using polymerase chain reaction (PCR). AMR profile was investigated using VITEK MS (bioMérieux, USA). Multiplex PCR was employed to detect the following virulence genes: siderophore (ybtS, entB, iutA, iucA), fimbriae (mrkD, fimH), capsular polysaccharide synthesis (rmpA) and hypermucoviscosity (magA). Results Preliminary analysis included 50 bio-banked isolates from patients with CR KP infections. Majority were from male (28, 56%) with a median age of 53 years. Most common co-morbidities include genitourinary malignancy (6, 12%) and diabetes mellitus (5, 10%). The majority of isolates were from the respiratory tract (21, 42%), followed by blood (10, 20%) and urine (8, 16%). Most infections were hospital acquired (43, 86%). Resistance to colistin was at 2%. Analysis of the virulence genes were conducted in 35 isolates. All isolates (35/35, 100%) tested positive for entB. Most isolates tested positive for mrkD (33/34, 97.1%) and fimH (33/34, 97.1%), followed by ybtS (25/34, 73.5%), magA (25/35, 71.4%) and iutA (4/18, 22.2%). None of the isolates tested positive for rmpA. Our study reported high mortality rate of 32%. Conclusion Mortality is high with CR KP infections. Virulence genes were detected from the collected isolates but the impact of each gene of gene combinations to patient outcomes need to be investigated. This study supports the need for further research on AMR and hypervirulence of KP infections. Disclosures Aurora Ines Aguilar, MS (cand.), Manila HealthTek, Inc.: Part-time employee focused on developing educational tools for junior and senior high school students from the STEM strand Sohei Harada, MD, PhD, MSD: Honoraria|Shionogi: Honoraria Yohei Doi, MD, PhD, bioMerieux: Lecture fees|Entasis: Grant/Research Support|Fujifilm: Advisor/Consultant|Gilead Sciences: Advisor/Consultant|GSK: Advisor/Consultant|KANTO CHEMICAL CO.,INC.: Grant/Research Support|KANTO CHEMICAL CO.,INC.: Patent for genotyping kit|MeijiSeika Pharma: Advisor/Consultant|Moderna: Advisor/Consultant|MSD: Lecture fees|Pfizer: Advisor/Consultant|Shionogi & Co., Ltd.: Grant/Research Support|Shionogi & Co., Ltd.: Lecture fees

The Mediating Role of Teacher Support in The Relationship between Marginalization and Academic Performance among Migrant Children in China--Evidence from CEPS Data

Migrant children are a special group in the process of China's economic development. They not only linger on the edge of unequal educational opportunities but are also marginalized in schools. Using data from the China Education Panel Survey (CEPS), a nationally representative sample of junior high school students, the study attempts to examine the relationship between migrant children's marginalization and academic achievement and check the moderating role of teacher support in this relationship. The results show that positive teacher support has a negative moderating effect on the marginalization of migrant children. When teachers take a positive and supportive attitude toward socially marginalized students, the marginalized children are more integrated within their peer groups over time. The more actively teachers support migrant children, the more they can reduce the probability of migrant children being marginalized. Teacher support also has a positive impact on migrant children's social behavioral development and academic performance to a large extent. The positive attitude of teachers enables migrant children, a marginalized group, to have stronger school adaptability and a more positive development direction of social behavior and academic performance.

Different parental rearing behaviors and depressive symptoms of adolescents: Roles of psychological insecurity and core self-evaluations

Depression is the second most common mental disorder among adolescents worldwide. From the perspectives of emotional security theory and interpersonal acceptance–rejection theory, parental rearing behaviors impact adolescents’ depressive symptoms. The current study aims to uncover the underlying relationship mechanisms between different parental rearing behaviors and depressive symptoms. A sample of 372 junior high school students participated in this study. The results indicated that parental rejection and overprotection were associated with psychological insecurity and depressive symptoms, and parental emotional warmth was positively related to core self-evaluations. Paternal rejection had a more substantial impact on the lower distribution of depressive symptoms scores in the 25th percentile, while maternal rejection was significantly related to depressive symptoms in the 50th and 75th percentiles. Adolescents’ depressive symptoms were reduced when they had more paternal and maternal emotional warmth. Indirect effects of parenting behavior on depressive symptoms through core self-evaluations and psychological insecurity were found. Adolescents with higher levels of parental emotional warmth reported lower levels of psychological insecurity, which was related to higher levels of core self-evaluations; moreover, core self-evaluations were negatively related to depressive symptoms.

Integrating ChatGPT in Descriptive Writing Instruction: Insights and Best Practices for Junior High School Students

This study examines the integration of ChatGPT, an AI-based language model, into teaching descriptive writing to eighth-grade students at SMP Negeri 3 Luwuk. The research, conducted in the digital class VIII.B, employed a qualitative descriptive methodology, including classroom observations and interviews with 35 students. It aimed to explore students' perceptions of ChatGPT and develop effective teaching procedures for descriptive writing. Findings revealed that ChatGPT positively impacted students' writing skills by improving grammar, vocabulary, organization, and creativity. Students reported increased confidence and efficiency in producing descriptive texts, though challenges such as vocabulary alignment and idea generation persisted for some. Proficient students excelled in generating detailed, well-organized texts, while less-skilled students required structured guidance and additional practice. A step-by-step teaching procedure was designed to accommodate diverse student abilities, incorporating tasks that progressed from basic to advanced levels. The study highlights ChatGPT's potential to enhance writing skills when integrated thoughtfully, with continued teacher support to address individual student needs. This research contributes to the growing body of knowledge on AI applications in education, offering insights for teachers, students, and researchers. Recommendations include fostering student creativity, supporting teacher training in AI tools, and exploring ChatGPT’s use in other text types and long-term skill development. Keywords: ChatGPT, Artificial Intelligence (AI), Descriptive Writing, English Language Learning