Jurnal Pendidikan Universitas Islam Lamongan
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Development and Validation of Google Sites Technology-Assisted Student Worksheet to Increase Students' Collaboration Skills in Science Learning in Junior High School
Full text linkDevelopment and Validation of Google Sites Technology-Assisted Student Worksheet to Increase Students’ Collaboration Skills in Science Learning in Junior High School. This research is based on the problem of collaboration skills of students in class VIII F SMP Negeri 6 Jember which is still low in science learning conducted by observation. One way to overcome this is to develop E-LKPD assisted by Google Sites to improve students' collaboration skills. The purpose of the study was to examine the validity, practicality, and effectiveness of E-LKPD assisted by Google Sites to enhance student collaboration skills in science learning. The research design uses Research and Development (R&D) with the Plomp development model which includes preliminary research, prototyping stage, and evaluation stage. Products that have been developed, get a validation score of 94% with a very valid category. Practicality is 96.83% with a very practical category. The effectiveness of E-LKPD is 63% with the results of the N-gain test with a moderate category, 77% self-assessment with a high category in collaboration, and 88% student response questionnaire with a very good category. The results of this study can conclude that E-LKPD assisted by Google Sites can be said to be valid, practical, and effective in learning science in junior high school
Validation of Atmospheric Instability Indices from Himawari-9 Against Radiosonde Observations
Full text linkValidation of Atmospheric Instability Indices from Himawari-9 Against Radiosonde Observations. Remote sensing is crucial in measuring atmospheric instability by providing continuous spatial and temporal observations, often through satellite-based retrieval algorithms and numerical models. This study evaluates atmospheric instability indices derived from Numerical Weather Prediction (NWP) models using Himawari-9 satellite data. The results are compared with Radiosonde observations at the Tunggal Wulung Meteorological Observation Post, Cilacap, Central Java. The observation period includes four-time samples of Radiosonde observations identified with essential weather events. Atmospheric instability indices such as Showalter Index (SI), Lifting Index (LI), K Index (KI), Severe Weather Threat (SWEAT), and Convective Available Potential Energy (CAPE) are used to analyze the dynamics of atmospheric instability that trigger important weather events such as rain. The research method involves processing Radiosonde observation data provided by Wyoming and satellite imagery using GMLSPD software. The results of this study reveal cloud images and instability index values that explain the occurrence of essential weather events with a moderate category. Although some parameter values differ from Radiosonde data, the NWP-GSM indices from Himawari-9 are in good agreement with Radiosonde measurements for certain instability index categories. These findings suggest that Himawari-9 GSM can complement and be an alternative to Radiosonde observations by providing continuous atmospheric instability analysis, especially during periods without Radiosonde measurements. This shows its potential to improve weather monitoring and forecasting. However, further research such as high computing power, seasonal pattern analysis, and reducing errors such as parallax errors are still needed to maximize the findings
Analysis of Student Scientific Communication Based on The Development and Use of Diorama Media Using The Guided Inquiry Model
No full textConsidering 7th grade science teachers only employ media pictures from textbooks, there is a need to produce three-dimensional diorma media. The creation of diorama media is also an endeavor to strengthen students' scientific communication skills. The study's objectives were as follows: 1) to investigate the validity of diorama media, 2) to investigate the practicability of diorama media, and 3) to investigate the influence of guided inquiry-based diorama media on scientific communication of students using pre-test and post-test test instruments. The research model utilized is research and development, which creates goods utilizing the ADDIE research paradigm. The ADDIE development approach has five steps: analysis, design, development, implementation, and evaluation. Techniques for gathering information based on the instruments used, particularly observation, questionnaires, and cognitive tests, were carried out on two classes, namely the control class learning using the lecture method and the experimental class learning using three-dimensional diorama media, and the results were analyzed. The analysis revealed that the diorama media's validity was 89.9%, its practicality was 86%, and there was a significant difference between the basic pre-test and post-test with a Sig (2-tailed) value of 0.000 < 0.05. According to the study's findings, diorama media is legitimate and useful in learning content on the interaction of living things, and it has an impact on students' scientific communication
Design and Development of an Automation Device for Free-Fall Motion Experiments Based on a Web-Remote Laboratory
Full text linkDesign and Development of an Automation Device for Free-Fall Motion Experiments Based on a Web-Remote Laboratory. This study aims to develop an automated free-fall experiment device integrated with a web-remote laboratory system. The web-remote laboratory is a real laboratory that can be controlled and displays results remotely through an internet connection. The research follows the Design and Development Research (DDR) methodology, which encompasses several stages: problem identification, objective formulation, system design and development, system testing, evaluation, and refinement. A domain hosting service was employed to deploy the web server, providing greater flexibility and ease in developing control interfaces compared to applications such as Blynk and ThingSpeak. The design and development process addressed both hardware-mechatronic and software components. The software was implemented on the microcontroller and the webserver to enable seamless integration. Testing was conducted in two phases, which informed product evaluation and subsequent refinements. The resulting device supports automation, features fully functional mechatronic systems, ensures optimized sensor sensitivity, facilitates user-friendly control via a web browser, and provides accurate calculations of gravitational acceleration during free-fall experiments. Despite its strengths, the ESP8266 microcontroller was suboptimal for applications requiring high sensitivity. Additionally, the web interface lacked multi-user support. These limitations present opportunities for further development and optimization of the device. Overall, the findings of this study provide a practical and innovative solution to enhance student engagement in laboratory activities, particularly in educational settings with limited access to physical laboratory equipment
Ethnomathematics in Buna-Insana Motif Weaving Activity and its Link to School Mathematics
Full text linkThis study explores ethnomathematics in the activity of weaving Buna-Insana motifs and its connection to school mathematics using an ethnographic case study with weavers from Botof Village, Insana District, guided by Bishop's ethnomathematics concepts: counting, measuring, designing, and reasoning. The results of the study indicate that the counting activity, mathematical knowledge in the form of addition operations is obtained. The measuring activity, hand spans are used as a unit of measurement. In the designing activity, the motifs produced are related to plane geometry concepts and similarity concepts. After the designing activity, reasoning activities are carried out. Implication logic is also found in weaving activities, namely when determining the selling price of woven fabrics and the length of weaving time
The Effect of Cognitive Behavioral Therapy on Anxiety and Depression Among Students in Science Education: A Meta-Analysis
Full text linkThe Effect of Cognitive Behavioral Therapy on Anxiety and Depression Among Students in Science Education: A Meta-Analysis. This meta-analysis aims to evaluate the impact of Cognitive Behavioral Therapy (CBT) on anxiety and depression specifically within the context of science learning. This study was conducted by integrating and evaluating the results of previous relevant studies to provide a comprehensive understanding of the effectiveness of CBT in dealing with mental health problems in the adolescent population. The study sample consisted of 16 studies published between 2010 and 2023, which met inclusion criteria, such as experimental or quasi-experimental design, use of standardized scales to measure anxiety and depression, and a focus on CBT interventions. The meta-analysis revealed a significant positive effect of CBT on reducing anxiety and depression in science learning contexts (d = 0.945; z = 7.052; p < 0.001)."These findings support the use of CBT as a key approach in mental health interventions for adolescents, particularly in the context of education and primary health services
Innovative Strategies for Enhancing Advanced Speaking Skills in Elementary School Learners
No full textSpeaking is a key skill that helps kids grow socially and academically in elementary school. This study looks into good ways to teach speaking, finds common problems, and suggests new solutions to help students improve their speaking skills. The study uses library research to gather information from many academic papers. It finds that methods like acting out roles, telling stories, and using interactive media help students speak better by making them more involved, confident, and clear when sharing their ideas. For example, storytelling helps students tell stories in a clear way, and role-playing helps them feel more connected and speak more smoothly by acting out real-life situations. But there are some problems, like students not being confident enough, using their own local language instead of standard English, and not using a wide range of media. To fix these, the study suggests new ideas, like using picture boards and digital tools, which have helped students speak more fluently and take part more in class discussions. These results add to the conversation about how well people can communicate and give teachers real ideas for teaching speaking in a way that’s fun and includes everyone. By focusing on communication and putting students first, this research shows how important it is to use methods that are based on real-life situations and encourage active participation in speaking at the elementary level
Improving Students' Understanding of Chemistry Concepts Through Project-Based Learning (PJBL): A Systematic Literature Review
No full textOne of the obstacles in chemistry learning is the large number of complex concepts, especially material that cannot be observed directly by students. Abstract and unobservable chemistry concepts often pose a major challenge in learning, resulting in low student comprehension and difficulty in relating theory to practice. PJBL is a learning model that allows students to gain direct experience with the chemistry concepts they encounter. This systematic literature review aims to synthesize existing research on the effectiveness of the PJBL model in improving the understanding of chemistry concepts. This type of research is a literature study using the Systematic Literature Review (SLR) method on 10 articles from 2015 to 2024 to evaluate the effectiveness of the Project Based Learning (PJBL) model in improving the understanding of chemistry concepts. Based on several articles, the results show that PJBL consistently produces a significant increase in conceptual understanding, as demonstrated by an increase in student N-gain scores in the moderate to high categories, as well as encouraging learning achievement in repetitive learning. The main contribution of SLR in this study is to provide an integrated and structured summary that can be used as a practical reference for educators in designing contextual and applicable project-based learning models. This study supports the integration of PJBL in learning to strengthen student engagement and deep conceptual understandin
Development of Student Worksheets Using The Missouri Mathematics Model with Peer Feedback on Linear Programming Material
No full textThis study aimed to develop a valid, practical, and effective student worksheet (LKS) for linear programming material based on the Missouri Mathematics Project (MMP) model with peer feedback. Using a Research and Development (R&D) design comprising definition, design, development, and dissemination stages, data were collected through validation sheets, questionnaires, and tests. The developed worksheet was assessed as valid by experts 80%, practical based on student and teacher responses 85%, and effective in improving learning outcomes. Effectiveness was indicated by 79% classical completeness and a significant improvement in Post test scores compared to Pre test results (p < 0.05 ). The findings show that the MMP-based worksheet with peer feedback meets the criteria for valid, practical, and effective learning tools
Evaluating High School Students' Ability in Physics Through Self-Assessment in PBL-Based Learning
No full textThis study aims to describe the results of self-assessment in PBL-based learning of mechanical wave material to evaluate students' abilities in carrying out PBL learning activities. This type of research is a mixed-method study with two research methods, namely quantitative and qualitative, and then conclusions are drawn. The data from this study are the results of the pre-test and post-test of critical thinking skills, Self-Assessment assessments. The results of applying self-assessment in PBL-based learning were analyzed to determine the impact on PBL-based learning achievements. Additionally, the pre-test and post-test results of critical thinking skills were analyzed using the Wilcoxon Signed Rank Test to identify significant differences in average and n-gain. From this study, PBL-based Self-Assessment using an assessment instrument in the form of an assessment sheet showed that it could be used optimally in evaluating students' abilities in carrying out PBL learning activities. With the highest student completion in the cycles of “conducting individual and group investigations” and “analyzing and evaluating the problem-solving process,” as many as 91.6% or 33 students