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The aim of this research is to increase class VII students' interest in learning procedural text material using a problem-based learning model at SMP Negeri 2 Simpang Kiri. This research uses descriptive research methods combined with classroom action research (ACR) methods. The results of the research are (1) a problem-based learning model, namely. a series of learning activities that emphasize the process of solving problems faced scientifically and increase students' interest in learning. (2) In cycle I there were 7 students who wrote procedure texts neatly and well structured. Other students, e.g. 13 students have good procedure texts, but their writing structure is still less organized than other students. (3) The results of cycle II are known to have experienced a significant increase. Where 16 students started to be neat and followed the structure of their writing and 4 other students were still not neat and did not follow the structure of their writing.

This research was conducted as a response to students' low interest in learning in English subjects at Al Amin Islamic Middle School, North Cikarang, Bekasi Regency. Several factors that cause this low interest include the lack of attractiveness of the material, monotonous teaching methods, and the lack of connection between English language material and students' daily lives. The impact is a decrease in students' interest in these subjects, which can affect their interest in learning. In an effort to increase students' interest in learning, the Problem Based Learning (PBL) learning model is used, where the teacher gives students ample opportunities to determine problem topics that are relevant to the learning material, even though the teacher has prepared the material that will be discussed in the lesson. The learning process is focused on students' abilities to solve problems systematically and logistically. This research uses a qualitative approach with descriptive methods. Through observation, interviews and documentation, the research results show that the application of the PBL learning model at Al Amin Islamic Middle School, North Cikarang, Bekasi Regency can increase students' interest in learning. English teachers who use the PBL model get good responses from students, where students are active in the teaching and learning process, ask questions actively, and are able to answer questions well and appropriately during discussions. The PBL learning model also encourages students to be more diligent in doing their assignments and provides high motivation to learn. Students find it easier to solve problems and are able to apply the knowledge they have.

Student learning outcomes in learning fractions in elementary school are still low, to overcome this problem an effective model is needed. This research aims to describe the improvement in learning outcomes for multiplication and division of fractions using the PBL model in class V of SD Negeri 057761 Kwala Gebang. The research was carried out in two cycles, namely cycle I and cycle II. Each cycle consists of four stages, namely planning, implementation, observation and reflection. The subjects of this research were 7 class V students at SD Negeri 057761 Kwala Gebang. Research results: RPP observations in cycle I averaged 83.33%, increasing to 97.22% in cycle II. In the observation results from the teacher aspect of cycle I, the average was 73.21%, increasing to 96.42% in cycle II. In the observation results from the student aspect of cycle I, the average was 64.28%, increasing to 92.85% in cycle II. Meanwhile, the learning outcomes of students in cycle I obtained 54.54% completeness, increasing to 95.45% completeness in cycle II. It can be concluded that the PBL model can improve student learning outcomes in learning multiplication and division of fractions in class V of SD Negeri 057761 Kwala Gebang.

The aims of this research are: 1) to determine the application of the problem based learning model in addition and subtraction counting material in class 2 at SDN Kaloy, 2) to determine the increase in the ability to understand addition and subtraction in class 2 students at SDN Kaloy. This research method uses Arikunto's Classroom based action research PTK model. The subjects of this research were 20 grade 2 students at SDN Kaloy, Tamiang Hulu District. There were 2 cycles of action in this research (Cycle I and Cycle II). The data collection techniques used are planning, implementation, observation, reflection and documentation. The results of the research show that: 1) The application of the problem based learning model to the ability to calculate addition and subtraction was carried out in 2 cycles with different results. In Cycle I, the results of observing teacher activities were 87.5 (very good) and the results of observing student activities were 82.8 (good). Meanwhile, in Cycle II there was an increase, the results of observing teacher activities were 92 (very good) and the results of observing student activities were 89 (very good). 2) Improvement in the ability to calculate addition and subtraction of class 2 students at SDN Kaloy in Cycle I, the class average was 79 (fair) which had not yet reached the minimum performance indicator of 80. In Cycle II there was an increase in the class average, namely 86 (very good). The percentage of student learning completeness increased from Cycle I 64% to 84% in Cycle II with an increase of 20%.

The need for learning focuses on maximizing students' potential in facing today's global challenges. For this reason, a learning model that is in accordance with the demands is needed, one of which is to use the Problem Based Learning model and CTL-based teaching materials. The purpose of this study is to determine the increase in learning motivation and cognitive learning outcomes of students. This research is classroom action research. The subjects of this study were class X.1 students with a total of 36 students. While the object of this study is the motivation and cognitive learning outcomes of students after participating in learning by applying PBL learning models and CTL-based teaching materials. This type of research is Classroom Action Research (PTK) with a qualitative approach to students. The results showed that student motivation in Cycle 2 increased compared to Cycle 1, which was shown by the average value of Cycle 2 of 88.19% (very good), higher than Cycle 1 only reaching 77.07% (good). Likewise, the cognitive results of cycle 2 students also increased by 91.66% and cycle 1 by 83.33%.

This Classroom Action Research aims to improve the learning of the material "Understanding the Concepts, Types, and Functions of Creative Music" through the application of the Problem Based Learning (PBL) model. The research was conducted in two cycles in class XII Science 4 SMA N 8 Denpasar. Data collection methods involve observation, tests, and analysis of learners' learning outcomes. At the beginning of the study, observations showed that students faced difficulties in understanding the concepts, types, and functions of music creations. Therefore, this classroom action research is designed to integrate PBL as a primary learning approach. Each cycle consists of planning, execution, observation, and reflection. The results showed that the application of PBL significantly increased students' understanding of creative music material. In addition, interaction between students has also increased, illustrating the existence of collaboration in solving problems related to the concept of creative music. Post-test results show consistent improvement from cycle to cycle. This research can be concluded that, the PBL model is effective in increasing students' understanding of the concepts, types, and functions of music creation. The implications of this research can be used as a reference for the development of more innovative and problem-solving oriented learning strategies in the context of creative music art materials.

The background of this research is that the learning process of the Aqidah Akhlak still tends to be passive, lack of motivation, interest in student learning, the mindset of students who are less open during the learning process, lack of student activity, students are less critical in the learning process, while the problems raised when learning begins are problems that are often encountered in everyday life. This study aims to determine whether there is an effect of using the Problem Based Learning (PBL) learning model on learning outcomes in the Aqidah Akhlak subject at MAN Kota Pariaman. This research is a quantitative research type of Quasi Experimental Design, the subject of this research is students of class XI IPS1 and XI IPS2 at MAN Kota Pariaman with a total sample of 59 students. The research sample is class XI IPS1 as the experimental class with the Problem Based Learning learning model, class XI IPS 2 as the control class using conventional methods. The sampling technique is the total sampling technique, which means that the sample taken is the same as the population. and with a research design of the type "The only posttest control group design". Based on the research results, it was found that there were significant differences in student learning outcomes between the application of the Problem Based Learning learning model and conventional learning models in the Akidah Akhlak subject. This can be seen from the posttest results of both classes. From the test results, it is illustrated that the average difference in the learning outcomes of students in the experimental class and the control class is illustrated. By implementing the Problem Based Learning learning model, it is high compared to the scores of students who do not use the Problem Based Learning learning model in the Learning control class on learning outcomes in the Aqidah Akhlak subject at MAN Kota Pariaman.

In an era of cultural acceleration and rapid advancements in science and technology, this research evaluates the application of the Problem-Based Learning (PBL) model in Informatics at SMA Negeri 8 Maros, focusing on enhancing student creativity. Employing a quantitative method within the Classroom Action Research framework, this study involves cycles of planning, action, observation, and reflection. Data collected through creativity tests, surveys, and class observations reveal that PBL significantly boosts student creativity. These findings are crucial, considering the critical role of education in preparing future generations for digital era challenges. This study highlights how education, especially in Informatics covering programming, artificial intelligence, and computer networking, can adapt to changing times. By integrating technology and innovative approaches into the learning process, students can enhance creativity and other essential skills needed in the digital age. This research offers valuable insights for educators and policymakers in preparing students for a bright, sustainable future.    

This study aims to determine whether there is an influence of the problem-based learning model (PBL) with a STEM approach on the mathematical problem solving ability of grade VIII students of SMP Negeri 17 Medan. This research was conducted at SMP N 17 Medan T.A 2023/2024. The research method used is a quasi-experimental method. The sample of this study consisted of two classes, namely class VIII-3 as an experimental class taught with a PBL model with a STEM approach and class VIII-4 as a control class taught with conventional models. Based on descriptive statistics and categorization of research results, it was found that the mathematical problem solving ability of experimental class students was 67,74% of students in the high category, 32.26% of other students in the medium category, and no students in the low category. Meanwhile, in the control class, 15,63% of students were in the high level of problem solving ability, 53,13% were in the medium level and 31,24% of students were in the category low category. Thus it can be seen that the mathematical problem solving ability of grade students taught with PBL with a STEM approach is better than conventional learning models. Furthermore, with inferential statistical analysis for the t test, calculated t value = 2,42 and ttable = 1,999623, thus t calculated > t table means that the problem-solving ability of students taught with PBL with a STEM approach is not the same as students who use the learning  conventional model. With further analysis, Fcalculated = 5,6847 and F table = 3,998494482, then  calculated F > F table so it can be concluded that problem-based learning models with a STEM approach have a significant effect on students' mathematical problem solving abilities.

The purpose of this study is to ascertain how efforts are made and enhance students' capacity for problem-solving following the application of the lesson study-based scientific approach and problem-based learning model. 38 students from SMP Negeri 4 Tebing Tinggi's VIII–5 class during the 2022–2023 academic year served as the research subjects. Classroom Action Research (PTK), which is this kind of research, is divided into two cycles. In pre-action, students take an initial test, and at the conclusion of each cycle, they take an exam on their problem-solving skills. The research findings are as follows: (1) If the teacher masters and effectively applies the PBL model and scientific approach based on lesson study, students' mathematical problem solving abilities can be improved, (2) Application of the PBL model can increase student learning completeness by 63.16% from 23.68% at the end of cycle I to 86.84% at the end of cycle II. (3) Students' mathematical problem solving abilities can be improved by 34.37% from 47.47% at the end of cycle I to 82.04% at the end of cycle II.

This study aims to understand the impact of problem-based learning (PBL) on mathematical representation in students using Geogebra and model discovery learning in X SMAS Tamansiswa Singosari. It uses quasi-experimental research with purposive sampling and control group design. The results show that all data is normal and homogeneous, with a  value of 4.71>2.03. The study also reveals that the overall learning process for experimental students is better than that of control students.

In the era of revolution 4.0, education does not only require intellectual abilities, but critical thinking, creative, communicative and collaboration skills. The problem with Civics learning is that it still prioritizes cognitive aspects, it has not been able to realize the goal of creating critical and responsible students. There needs to be innovation in Civics learning that combines problem-based learning models through games and is integrated with the use of technology in elementary schools. This research aims to find out the influence of problem based learning implemented through the QR code-assisted treasure hunt game on Civics learning. The research method used is descriptive qualitative. The analysis technique used is an interactive analysis model consisting of data reduction, data presentation, and drawing conclusions or verification. The results of data analysis are presented in the form of descriptions supported by observations, interviews and literature studies. The results of the analysis and discussion can be concluded that critical thinking skills emerge in Civics learning using the PBL treasure hunt and QR code models. Critical thinking skills are demonstrated by the emergence of the following indicators: providing simple explanations, building basic skills, concluding, making further explanations, strategies and tactics. It is hoped that the results of this study can become a reference, especially in the field of education, to create a superior and characterful next generation.

This research aims to determine the influence of students' learning activities on the ability to understanding mathematical concepts through the STEAM Learning Approach Makerspace model based on PBL on SPLDV materials. As for the type of research Quasi-Experiments. The population in this study was 90 students who were distributed into 3 classes with 2 classes that sampled grades VIII A and VIII C. The sampling techniques in this study used randomized classes and data collection techniques in this study were tests and observations, while the research instruments used preliminary tests and final tests to measure the ability to understand mathematical concepts and observation sheets to see students' learning activities. Data analysis techniques using a two-way ANOVA test. The research showed that there is an influence of the PBL-based Makerspace STEAM Learning Approach model on the ability to understand mathematical concepts, there is no influence on students' learning activities on mathematical concept comprehension capabilities, and there is no interaction between the PBL-based Stem Learning Approach Makerspace model and student learning activities on the ability to understand mathematical concepts. Conclusion, there is a positive direct effect of cognitive structures on the ability to understanding mathematical concepts.

This article discusses the application of the Classroom Action Research (PTK) method with the Problem Based Learning (PBL) learning model to improve learning outcomes in measurement material in elementary schools. The PTK method is an effective approach in identifying learning problems, formulating solutions, and testing their effectiveness directly in the classroom. The PBL model, as a student-centered learning approach, has been proven effective in improving student learning outcomes in measurement material in elementary schools. In the context of measurement, the application of the PBL model is expected to strengthen students' understanding of basic measurement concepts, such as units of measurement, measuring tools, and their application in the context of everyday life. PBL offers a student-centered learning approach, which not only helps students understand mathematical concepts, but also encourages active involvement, problem solving, and the development of critical thinking skills.

Studying biology serves as a means to enhance understanding, abilities, perspectives, principles, and ecological accountability. Biology is the scientific discipline that seeks to understand the natural world. Learning biology entails more than simply acquiring factual knowledge, concepts, or principles; it is also an exploratory endeavor. This research aims to discuss problem-based learning (PBL), which can improve the learning outcomes of class XI biology students on plant tissue material and can be used as an alternative learning model. This research uses classroom action research (PTK), which includes four stages: planning, implementing actions, observation,  and reflection, which aim to improve the learning process. PTK is an activity that involves testing an idea in practice, which can improve and increase the quality of the teaching and learning process. The application of the PBL model was able to improve student learning outcomes, especially in biology subjects with plant tissue material for class XI students at SMA N 2 Langowan. During the pre-cycle, the average value was 5.7. In cycle I, it climbed to an average value of 7.3. In cycle II, it further increased to an average value of 8.4. Meanwhile, the completeness of student learning outcomes in the pre-cycle was 20%, while in the first cycle, it was 67%, then grew again in the second cycle, specifically 87%. Based on the aforementioned research findings, it can be inferred that the implementation of the Problem-Based Learning (PBL) model has led to an improvement in the academic performance of Biology students at SMAN 2 Langowan.  

One of the learning models included in the 2013 curriculum is the problem-based learning model. The PBL learning model is expected to improve the problem solving abilities of as many students as their problem solving abilities are considered to be still low. The aim of the research carried out by researchers was to determine and verify the impact of implementing the problem-based learning (PBL) model on students' abilities in solving problems, especially mathematics. This research uses a qualitative method by interviewing 4 informants from Pelangi Elementary School. The results of this research are that the problem-based learning (PBL) model has a positive impact on students' problem-solving abilities.

Understanding and determining fold symmetry is a competency that is difficult for students to achieve, either because the learning does not attract student enthusiasm or the students themselves do not have the motivation to learn about fold symmetry. In connection with this, this research was conducted with the aim of knowing student learning outcomes on folded symmetry material using the Problem Based Learning (PBL) model. This research is a type of research that uses quantitative descriptive methods with an approach in the form of a classroom action approach. The source of this research comes from SD Negri 079 Pajagalan and the subjects in this research are class III students at SD Negri 079 Pajagalan. The technique for collecting data on student learning outcomes is carried out through tests in the form of test questions from evaluations and student worksheets. Then the data obtained was analyzed descriptively. Research that has been conducted shows that the difficulties experienced by students actually come from the questions given not being in accordance with the students' cognitive abilities.

This study aims to find out the effect of problem-based learning (PBL) models on students' learning soup chapter outcomes in Class XI of Culinary at SMKN 1 Lamongan. The type of research used is a quasi-experimental with a non-equivalent control group research design. The sample was two classes, including an experimental class and a control class with 53 students in  Class XI of Culinary at SMKN 1 Lamongan. Data instruments were obtained by pre-test and post-test. The data analysis technique uses an independent sample t-test test with SPSS 25. The t-test independent test results for post-test showed that the value of Sig. For 0.020, which means the significance is <0.05. It can be said that there is a significant difference in the mean. Thus, it can be concluded that there is an effect of problem-based learning model on the learning results in Class XI of Culinary at SMKN 1 Lamongan.

The aim of this study is to provide specifics regarding the application of the Problem-Based Learning (PBL) model in upper-level Social Sciences courses, particularly when it comes to content related to diversity in Indonesia. A qualitative research method through literature review is the research strategy that is being applied. This study focuses only on giving a broad picture of how the Problem Based Learning paradigm is being used in Indonesian elementary schools to teach students about diversity. The results of this study show that a large body of prior research has demonstrated the efficacy of the Problem Based Learning paradigm in the context of social studies instruction at the elementary school level, particularly when it comes to teaching materials on diversity in Indonesia.

The objective of this study is to assess the efficacy of employing the Problem-Based Learning approach in the acquisition of Trigonometry concepts. This study examines four metrics of learning efficacy: student learning outcomes, student engagement during the learning process, student feedback on learning, and the teacher's aptitude in facilitating learning. This research falls under the category of quantitative descriptive research. The research was conducted at SMA Negeri 8 Manado during the odd semester of the 2023/2024 academic year. The study included a sample of 38 students from class X-I. The employed data collection approaches include testing, observation, and administering questionnaires. The study determined that the utilization of the Problem-Based Learning (PBL) approach in teaching Trigonometry content yielded positive results. This is exemplified by the attainment of the four metrics that measure the efficacy of utilizing the learning model: (1) Student learning results in the subject matter are classified as thoroughly comprehensive. (2) Student activities during the learning process are classified as satisfactory. (3) Students exhibit a favorable attitude towards the learning process. (4) The teacher's aptitude for overseeing the learning process is exceptional.