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The low students' avarage number of mathematical critical thinking skills in class VIII SMPN 1 Candung ranged from 82.14% to 89.29%. To overcome this problem, researchers tried to conduct research by applying the EXO OLO TASK learning model in learning mathematics. This type of research is pre-experimental research with the research design The Static Group Comparison Design. The population in this study were all students of class VIII SMPN 1 Cawang. The samples in this study were students of class VIII.2 as the experimental class and VIII.1 as the control class. The instrument in this study was a test of students' mathematical critical thinking skills in the form of an essay test. The results of the study using the t-test obtained t_count=1.92 > t_table=1.674, so H0 was rejected. For Minitab software testing at a significant level of a = 0.05, Pvalue = 0.002 is obtained, meaning Pvalue <a, so H0 is also rejected. So it can be concluded that students' mathematical critical thinking skills using the EXO OLO TASK learning model are better than students' mathematical critical thinking abilities using conventional learning in class VIII SMPN 1 Cdungung.

The issue of poor scientific learning results, particularly for the water cycle curriculum, is the main emphasis of this study's class V pupils at SDN 5 No. 050728 Tanjung Pura. By employing DoSiAr media, this project seeks to enhance students' learning outcomes in scientific classes concerning the water cycle. Using the Classroom Action Research (PTK) technique, which comprises of two cycles, the research was carried out in class V at SDN 5 No. 050728 Tanjung Pura. Records, exams, and observation sheets were used to gather research data. Utilizing DoSiAr media, the study's findings demonstrated a statistically significant improvement in learning from cycle I to cycle II. Two meetings are held throughout each of the two cycles that make up this study. According to study findings, learning

This classroom action research was carried out to improve the learning process which was not yet optimal and the low learning outcomes in class V of SD Negeri Marga Cinta Kab. East Oku.  This research aims to evaluate the effect of applying the demonstration method on students' understanding and learning outcomes regarding science subjects regarding animal and human movement organs. Implementation of improvements was carried out in two cycles, namely Cycle I on 06 May 2022 and Cycle II on 08 May 2022. In Cycle I, there were several problems that arose during the learning process so that the expected goals were not achieved optimally. Only 63.6% of the student data obtained scores above the requirements for completeness or (KKM). However, in Cycle II, the learning process becomes more conducive and the expected goals can be achieved well. The demonstration method has succeeded in increasing students' enthusiasm, activeness and learning outcomes very satisfactorily, achieving a success percentage of 100%. This shows that the application of the demonstration method effectively increases students' understanding and learning outcomes in the science subject material on animal and human movement organs in class V of SD Negeri Marga Cinta Kab. East Oku. These results indicate that the demonstration method can be an effective alternative in improving student learning outcomes in animal and human movement organs.

The rapid growth of e-commerce in Indonesia has generated a massive and continuous volume of product reviews. This user-generated content is vital for business intelligence, yet its sheer scale makes manual analysis inefficient, subjective, and practically impossible. Automated sentiment analysis is therefore crucial for businesses to efficiently understand customer feedback and market perception. This research addresses this gap by implementing the Naïve Bayes Classifier (NBC) algorithm to automatically classify the sentiment of Indonesian-language e-commerce product reviews. This study utilized a dataset of 2,000 reviews collected from a major e-commerce platform's "Electronics" category. The data underwent critical text preprocessing stages (case folding, tokenizing, stopword removal, and stemming using the Sastrawi library) to handle the complexities of informal Indonesian text. The dataset was split using an 80/20 ratio, resulting in 1,600 training reviews and 400 testing reviews. Model performance was then evaluated using a Confusion Matrix, focusing on the key metrics of Accuracy, Precision, and Recall. The test results showed excellent performance, achieving an Accuracy of 90.00%, Precision of 91.93%, and Recall of 95.00%. These results demonstrate that the Naïve Bayes algorithm, when supported by robust preprocessing, is a highly effective, reliable, and computationally efficient method for this task, providing a valuable tool for e-commerce stakeholders.

This service is carried out at junior high/equivalent level schools in Lhokseumawe City. Based on the results of initial observations through interviews, it was found that virtual practicum activities are still rarely carried out in a number of schools in Lhokseumawe City. To provide a learning space outside the classroom, virtual practicum is a learning solution when students need knowledge outside of learning hours. This service is carried out in depth towards a situation or condition in a systematic way starting from making observations, collecting data, analyzing information and reporting results. The results of the dedication were obtained through a closed questionnaire which was used to find out things that support the implementation of virtual practicum. From the results of the questionnaire, it was found that the implementation of learning through virtual practicum books was very effective, this can be seen from the final practicum report, students obtained a score of 100%, which means students understand the use virtual books and able to make the final practicum report perfectly

Sekolah Menengah Kejuruan Putra Indonesia Malang (SMK PIM) berlokasi di Jl. Barito No. 5, Bunulrejo. Sekolah ini memiliki 2 program keahlian yaitu Kimia Industri dan Farmasi Industri. Visi yang dimiliki oleh SMK ini adalah “Menjadi lembaga pendidikan vokasi yang berstandar nasional yang bersinergi dengan dunia industri dan dunia usaha sehingga mampu meluluskan insan berakhlak mulia, cerdas, unggul dalam prestasi, dan berjiwa entrepreneur”. Salah satu cara untuk membentuk jiwa entrepreneur adalah dengan belajar membuat rancangan bisnis/business plan. Teknis/mekanisme awal pengabdian kepada masyarakat ini akan dilaksanakan secara luring, namun karena adanya pandemi covid-19 hal tersebut menjadi tidak mungkin dilakukan, sehingga pengabdian dilakukan secara daring (tatap muka dengan google meet). Selain dengan menggunakan google meet juga menggunakan google classroom sebagai wadah untuk konsultasi. Pelatihan diawali dengan pemaparan materi mengenai tipe-tipe wirausaha, karakteristik kewirausahaan, faktor-faktor penentu keberhasilan wirausaha dan dilanjut dengan pemaparan materi membuat proposal business plan/rancangan bisnis. Hasil kegiatan pengabdian kepada masyarakat dapat disimpulkan sebagai berikut: (1) kegiatan berupa pelatihan membuat business plan dapat berjalan dengan baik, (2) motivasi peserta cukup tinggi karena semua ingin mengikuti pelatihan tetapi terkendala dengan adanya program PKL (total jumlah 134 orang siswa, yang dapat mengikuti pelatihan hanya 70 orang siswa), (3) pelatihan membuat business plan mendukung tugas pembelajaran yang diberikan sekolah kepada peserta, (4) template/format business plan yang diberikan bagi peserta dapat digunakan sebagai alat bantu untuk membuat proposal bisnis, (5)  meningkatkan ketrampilan dan kemampuan peserta dalam membuat proposal business plan.

This study examines the effectiveness of using audio media in improving the memorization of short surahs. This research employs a qualitative descriptive approach with data collection methods including observation, interviews, and documentation. The data sources consist of Islamic Education teachers, classroom teachers, and 33 students. Data analysis techniques were conducted through (1) data reduction, (2) data presentation, and (3) conclusion drawing. Data validity was checked through four steps: 1) Credibility, 2) Dependability, 3) Confirmability, and 4) Triangulation. The results show that the effectiveness of using audio media in improving the memorization of short surahs at Madrasah Tsanawiyah An-Nur Monano Gorontalo is significant. Teachers were able to provide good short surah memorization materials to students, enabling them to memorize the surahs perfectly and fluently. Additionally, teachers were able to impart the understanding to students that memorizing short surahs is beneficial. Besides the fact that many students liked the media, they felt helped in repeatedly reviewing the memorized short surahs fluently and correctly. Thus, audio media is considered effective in facilitating the memorization of short surahs, with a high degree of effectiveness, as evidenced by the following grades: A- 36.36%, B+ 54.54%, C 3.03%, and 6.06%.

The implementation of the class program for pregnant women is one program that is a means to increase knowledge for pregnant women, this program is a form of classroom learning. This affects ANC visits that should be done by pregnant women every month. This visit not only affects the mother but also on the health of the fetus being conceived. This implementation is not only for learning about getting pregnant, but learning about labor, childbirth and family planning. Thus it is highly recommended for pregnant women to take a class program for pregnant women to increase knowledge to mothers. The purpose of this study is to know the knowledge of mothers about the benefits of ANC in Mekar Sari Village Kecamatan Delitua Kabupaten Deliserdang. The research design used in this study was A One Pretest-Posttest Design with total sampling technique. The results of this study indicate that there is an influence on the implementation of the class program of pregnant women on the knowledge of mothers about the benefits of ANC from the results of significance 0.000<0.005.

Songs are included in the type of literary works of poetry. Song lyrics are written in poetic language so that they are classified as literary works of poetry. songs consist of many types. In this study the songs that became the object of research were J-Pop songs. J-Pop is a pop genre song originating from Japan. The song that is the object of research is a song that was famous at that time. Not only booming in their home country but covering many other countries as well. the fact that youth is the most turbulent period in the stages of human life is the inspiration for this song. The song, entitled Hitchcock by yorushika, was published to the wider community via YouTube in 2018. The theory that serves as the basis for this research is Riffatere's theory of semiotics. This theory combines heuristic theory and hermeneutic theory. This theory is used to find out the hidden meaning conveyed by the songwriter. This semiotic theory is carried out in the following stages. First, the researcher will read quickly without further analyzing the meaning, only the meaning of the lyrics (heuristics). In this case by translating from Japanese into Indonesian. Followed by analyzing the structure, figure of speech, and other in-depth meaning with repeated reading (hermeneutics). Then conclude the results of the analysis. This Hitchcock song has been watched approximately 73 million times by various groups.

In the midst of the current pandemic situation, the process of learning activities must still be carried out even though not directly face to face. This, of course, requires the right media in online learning to support the application of online learning at Madrasah Ibtidaiyah MI Muhammadiyah Sukajati Haurgeulis. This study aims 1) To find out the implementation of online learning during the Covid-19 Pandemic for Class V Madrasah Ibtidaiyah Muhammadiyah Sukajati Haurgeulis. 2) To find out the obstacles to implementing online learning during the Covid-19 Pandemic for fifth grade students at Madrasah Ibtidaiyah Muhammadiyah Sukajati Haurgeulis This research method uses a qualitative descriptive approach using a qualitative naturalistic approach. the object of this research is the Head of Madrasah teachers of class V and students of class V Madrasah Ibtidaiyah Islamic Community Association Madrasah Ibtidaiyah Muhammadiyah Sukajati Haurgeulis . The data source of this research uses primary data and secondary data. Data collection procedures using observation, interviews and documentation. The results of the study show that the implementation of online learning is very helpful in the process of conveying information from the material to be studied. In online learning media besides that the WhatsApp application is a means of learning activities, so that the learning process becomes more effective and makes it easy for teachers and students in the communication process while carrying out online learning. Obstacles in using the WhatsApp application in online learning, namely signal interference which results in WhatsApp being difficult to access, another obstacle, namely the lack of effectiveness in the learning process, teachers cannot directly see the earnestness of students, cellphone memory which quickly fills up with documents that are difficult to enter will be hampered

This study aims to determine the application of the Problem Based Learning learning model to mathematical communication skills in terms of independent learning on set material in class VII SMP Negeri 01 Tayan Hulu. The research form used is quasi-experimental designs, with a 2×3 factorial design. The population in this study were students of class VII A and students of class VII B. The sample in this study was one class selected by cluster random sampling. Data collection techniques used are direct communication techniques and measurement techniques with data collection tools in the form of questionnaires and test questions in the form of essays. The data analysis technique used was the analysis of two dissimilar cell paths with the normality test using the Lilifors test, homogeneity using the Bartlett test and continued with the multiple comparison test using the Scheffe method. The results of this study are (1) the mathematical communication of students who follow the problem-based learning model is better than students who follow the conventional learning model, (2) the ability of mathematical communication between students who have high learning independence is better than moderate after the implementation of the model learning problem based learning. (3) students' mathematical communication skills in the moderate learning independence category were better than students in the low learning independence category after applying the problem-based learning model. (4) at the level of independent learning, problem-based learning models provide better mathematical communication skills than conventional learning models.    

This study aims to determine the application of problem based learning learning models with lottery game media in improving junior high school students' problem solving abilities. This research is an experimental research in the form of Pre-Experimental Designs. The design used is One Group Pretest-Postest Design. The population in this study were class VIII A and class VIII B. The sample in this study was students of class VIII B consisting of 20 students with the selection of subjects based on the cluster random sampling technique. The data collection technique used is a measurement technique with a data collection tool in the form of test questions in essay form. The data analysis technique used was anava one line of dissimilar cells, with further testing using the Scheffe method. The research results obtained were that there was a significant increase in students' mathematical problem solving abilities before and after being given treatment through the problem based learning model using lottery media with high categories.  

This study aims to describe students' learning barriers in solving SPLDV questions based on problem solving abilities. This research uses descriptive qualitative research, and the sampling technique uses purposive sampling technique. This research was conducted at Sungai Kakap 1 Public Middle School, the data used were the results of researchers to clarify students' obstacles in answering questions based on problem-solving abilities with data sources, namely class VIII students of SMP 1 Sungai Kakap. Data collection techniques used measurement techniques, direct communication techniques and indirect communication techniques with data collection tools in the form of test questions, interview guides and documentation. The data analysis techniques used are data reduction, data presentation, and drawing conclusions. In this study it was concluded that the students' barriers in the high group were wrong in determining the formula and wrong in the concept of completion, the students' barriers in the medium group were wrong in determining the formula, discrepancies in using the formula to answer a problem and did not re-examine the answers, and student barriers in the low group were unable to determine the formula and solve the problem on the question then also did not re-check the answer after completing the given question.    

This study aims to test and prove the existence of a partial and simultaneous influence between internal factors, external factors and emotional factors on the interest in youth entrepreneurship in Salem District. This type of research is quantitative research using associative research methods. The sampling technique in this study used propotional random sampling using the Slovin formula.  Data collection was carried out by distributing questionnaires to 100 respondents who were youths of Salem District. The analytical methods used in this study consist of validity and reliability tests, classical assumption tests, multiple linear regression tests, and hypothesis tests.

This study aims to determine whether there is a positive and significant effect of the Group Investigation type cooperative learning model on students' mathematical reasoning and communication skills in the Pythagorean Theorem sub-subject in class VIII SMP Negeri 1 Munte in the 2019/2020 Academic Year. The population in this study were all class VIII students of SMP Negeri 1Munte for the 2019/2020 Academic Year. While the sample in this study consisted of 2 classes of 38 students each in class VIII-1 as the experimental class and class VIII-3 as the control class. The experimental class uses the Group Investigation cooperative learning model consisting of 5 students per group, and the control class uses the Group Investigation type cooperative learning model consisting of 2 students per group. This type of research is an experiment. Prior to testing the hypothesis, the normality and homogeneity tests are tested first. Normality was tested using the Lilliefors technique and homogeneity using the F test. From the tests performed, it was found that both samples were normally distributed and homogeneous. There is a positive and significant influence of the Group Investigation cooperative learning model on the mathematical reasoning abilities of junior high school students. There is a positive and significant influence of the Group Investigation type of cooperative learning model on the mathematical communication skills of junior high school students because the average communication ability of students who are taught with the Group Investigation type cooperative learning model consisting of 5 people per group is higher than the average communication ability of students who are taught with the Group Investigation type cooperative learning model consisting of 2 people per group

This study aims to determine whether the research subjects have practiced metacognitive strategies. The method used is qualitative. Eighteen (18) questions are provided, answers to individual questions are written on the guided question sheet in 2 hours - thirty minutes to get the required response. The data proves that planning, monitoring and evaluation is practiced i.e. totaling 100% checks the next day's schedule; (95%) checking what courses to attend; hence they review the previous and upcoming meeting materials. For the next meeting they write notes for questions or to confirm what they don't really understand to the teacher. Likewise, they used process and productive monitoring for 92.5% of what they did before class. Also, the data shows that they evaluate; 95% evaluated after class.

Students' lack of a disaster response mindset is both a problem and a challenge that must be addressed in science education. Based on the MIKiR approach, which is linked with natural disaster prevention, the goal of this study is to define the features of science Subject-Specific Pedagogy. This study involves both research and development (R&D). The research procedure follows the Borg & Gall development model, which involves five main steps: (1) analyzing the product to be developed; (2) developing the initial product; (3) expert validation and revision; (4) small-scale field testing and revisions; and (5) large-scale field testing and final products. A validation sheet with a Likert scale in the form of a checklist serves as the research instrument. According to the study's findings, the quality of the developed Subject-Specific Pedagogy is listed in the good category, with an optimum proportion of 84.33 percent. The findings of the study on product quality could be used as one of the science learning aids in SMP/MTs class IX semester 2.

The research method used in this study is the research and development method or also called Research and Development. The research design that will be developed in this study uses the development model presented by Borgan Gall. The product produced in this study is an Arduino Nano-Based Distance Measuring Tool with a Display on the LCD on the Flat Side Room Building Material for Class VIII at SMP Negeri 5 Sepauk. The test subjects of this study included two subjects. The first subject is the validator and the second is class VIII students of SMP Negeri 5 Sepauk. The analysis technique used is to determine the effectiveness, practicality, and validity. The percentage of effectiveness from the average of the two analyzes obtained a percentage value of 94.06% with Very Effective criteria used in learning mathematics. The results of the combined teacher and student response questionnaires - the average percentage obtained was 89.55% with very practical criteria. The combined results of the average percentage obtained from the percentage of experts and the results of the measurement trials obtained a percentage of 76,36% with very valid criteria.    

The purchase decision is the root of the achievement of a sale which on the purchase decision has an impact on turnover and sustainability of each organization. The purchase decision is one of the form of consumer behavior in using a product. In using a product to make a buying decision, consumers will go through a process that is a description of consumer behavior analyze various options to make decisions in make a purchase. The purchase target will be achieved if the attributes Purchasing drivers are met by the company, one of these attributes is: Quality of service, promotion, location.The method used in this research is a quantitative method with the number of samples set as many as 97 respondents. The analysis used includes the test validity, reliability test, classical assumption test, and multiple linear analysis test and coefficient of determination. The results of this study indicate that partially. Service quality affects satisfaction, however for the promotion variable has no positive and significant effect partially to customer satisfaction. And location has a positive and significant effect on customer satisfaction. For the simultaneous test, the quality of service, promotion and location has an effect on customer satisfaction.

Educational problems always arise along with the development and increase of students' abilities, situations and environmental conditions that exist due to the influence of information and culture as well as the development of science and technology. The geography subject for the material of the Theory of the Formation of the Universe according to the results of observations and interviews made to class X social studies 3 students at SMAN 3 Jember is considered boring material. This study used the classroom action research method. The research will be carried out as many as two cycles, if in cycle I it has been achieved as desired, namely achieved classical completeness, then the implementation of the cycle is stopped, but if the results achieved have not reached the desired one, then continued in cycle II by optimizing the researcher's hard work in applying the STAD learning model so that the expected goals are achieved. The results of learning activities in cycle II are better than learning in cycle I. The application of the STAD model learners has succeeded in increasing students' abilities and increasing student activity by 93.75%, growing awareness to always uphold cooperation in solving problems together so as to realize a high social sense between friends in school