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The aim of this research is to determine the improvement in learning outcomes of students in classes X.3 and X.7 at UPT SMA Negeri 3 Maros in biology lessons by applying the Problem Based Learning learning model. The research method used is Classroom Action Research (PTK) which has been carried out in 2 cycles. The subjects taken in this research were classes X.3 and X.7 at UPT SMA Negeri 3 Maros for the 2023/2024 academic year. The data collection techniques in this research are (1) Observation, (2) Documentation, (3) Test. Based on the research results, it can be concluded that Problem Based Learning is relevant and effective for use in student and teacher activities in the teaching process in the classroom.

Student learning outcomes are the output of the teaching and learning process. One of the problems in learning at school is the low student learning outcomes. This can be known from the initial data on the value of the diagnostic analysis results. Many factors influence learning outcomes, one of which is the learning model. The Problem Based Learning Model is an innovative learning model that requires students to be active and motivate students so that they can support and help each other in mastering the subject matter being studied. Research procedures include the observation stage, preparation stage, implementation stage and evaluation stage. The population and sample in this research were 28 students of class XI MIPA 1 SMAN 11 MAROS. The sampling technique in this research used a saturated sampling technique.

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.  

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 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.

This research aims to determine the effect of the Problem Based Learning (PBL) learning model on social studies learning outcomes for Class V Elementary School in Gugus Sumberarum, Kapanewon Moyudan, Sleman Regency. This research is pre-experimental research, with a quasi experimental research design. The population in this study consisted of VA and VB classes with 52 students. Sampling used the Simple Random Sampling technique to select the VA class with 20 students as the experimental class and the VB class with 20 students as the control class. The test instrument used is a learning outcomes test. Data is described and analyzed using descriptive statistics and inferential statistics. The results of the research show that the value of learning outcomes before implementing the Problem Based Learning (PBL) learning model based on Tri Nga teachings obtained an average value of 67.6. After implementing the Problem Based Learning (PBL) learning model based on Tri Nga teachings, the average score rose to 85.35. The results of the significance test obtained a Sig value. (2-tailed), namely 0.00 < 0.05, it can be said that there is a significant difference between the control class and the experimental class, so it can be said that H0 is rejected and H1 is accepted. Based on these results, it can be said that there is a positive influence of the application of the Problem Based Learning (PBL) learning model based on Tri Nga teachings on social studies learning outcomes in class V elementary school in Gugus Sumberarum

The problem in this study is the low activity and learning outcomes of students in IPS (Social Studies). This happens because the teaching method is only one-way, still using conventional methods, and students tend to be passive. The way to overcome this problem is through the use of Problem Based Learning (PBL), Group Investigation (GI), and Picture And Picture (PAP) models. The research aims to improve student activity and learning outcomes. This research focused on fifth grade students at SDN Teluk Tiram 2 Banjarmasin, which numbered 20 people, in the form of 12 boys and 8 girls. This research method applies a qualitative approach that uses the type of Classroom Action Research (CAR). Qualitative data were obtained from observations of educator and student activities, while quantitative data were obtained from individual written test results. The results of this study show that at the fourth meeting, the teacher's activity obtained a score of 26, rated as "Very Good". Student activity reached 100%, and learning outcomes met the success indicator (>81). In conclusion, PBL, GI, and PAP methods can make learning activities and results increase.

In this research, there were obstacles or problems with students' activities and learning outcomes in less than optimal science content. The reason is due to a lack of skills in gathering information, still using conventional approaches, and one-way learning. The proposed solution is to apply a combination model of PBL, TGT, and Picture and Picture. The purpose of this research was to determine the activities and learning outcomes of grade 5 students at SDN Teluk Tiram 2 Banjarmasin, of which there were 20 students, including 7 boys and 13 girls. This research applies the PTK method and also uses qualitative and quantitative approaches. Qualitative data was obtained from teacher and student observations, while quantitative data came from personal written tests to evaluate student learning outcomes. The research results showed that teacher activity at meeting 4 reached 94% with the criteria "very good". Meanwhile, student activity reached 90% and student learning outcomes had reached the success indicator, namely a score of ≥81. Thus, this combination of models can effectively overcome this problem.

The problem that occurs in this study is the low learning outcomes caused by a lack of teachers in using models and media in learning. Alternatives to solving these problems are using the Problem Based Learning model, Indonesian Realistic Mathematics Education, and Number Head Together. The research objective is to describe the activities of educators, students, and to analyze learning outcomes. The approach used in this discovery is a qualitative approach with the type of PTK, which is carried out in 2 cycles consisting of three meetings. The subjects of this study were 18 grade VI students at SDN Kelayan Selatan 10. Qualitative data obtained through observing the activities of educators and students. While quantitative data through measurement techniques with individual written tests. Data analysis in this finding uses descriptive analysis techniques and cross-tabulations translated into tables, graphs and interpretations with percentages. The results of these findings show that educator activities get a score of 24 in the "very good" category. experienced an increase from a score of 30 to 36 in the "Very Good" category. Classical student activities reached 100% in the "very active" category. As well as student learning outcomes have achieved 100% completeness classically and individually. Based on these findings it can be concluded that using the PBL, PMRI, and NHT models can increase learning activities and outcomes.

The problem raised in this study is the low activity and student learning outcomes. Effort to overcome this problem is to apply learning with a combination of Problem Based Learning, Simultaneous Roundtable, and Course Review Horay models. The aim of the research is to describe teacher activities, analyze student activities, and student learning outcomes. The study used classroom action research which was carried out in 4 meetings. The subjects of this research were fourth grade students at SDN Antasan Kecil Timur 3 Banjarmasin, with 24 students consisting of 12 male students and 12 female students in the 2022/2023 school year. This research uses a qualitative approach. The results showed that teacher activitie scored 97 in the very good category. Student activities get a score 96 with very active category. Cognitive learning outcomes achieve 96% completeness and affective and psychomotor learning outcomes achieve 100% completeness.

The problems that occur are low activity, speaking skills, and learning outcomes in Indonesian language content. The aim of this research is to describe educators' activities, analyze students' activities, speaking skills and learning outcomes. The approach used is qualitative with the PTK type of research carried out in 4 meetings and the subjects studied were class IV students at SDN Antar Baru 1 Marabahan. The results of this research show that the teacher's activities received a score of 100 with the criteria "Very Good". Student activity increased to 100% in the "All Active Students" category. Students' speaking skills increased to 100% with the criteria "All Students Are Skilled". Student learning outcomes increased by 100%. Based on the results of this research, it can be concluded that using the PROLOG model can improve activity, speaking skills and learning outcomes.

This research was conducted at SMPN 03 Sungai Pua which was motivated by several problems, which the authors found in class VIII SMPN 03 Sungai Pua. Where in the learning process there is a lack of student activeness in PAI learning, the learning process only uses the lecture method and there are no interesting methods used in learning, learning is still teacher-centered which causes students to tend to be less active, and there are still many Grade VIII students who have not received maximum learning outcomes so that the quality of learning must be improved again. This research is a quantitative experimental research. This research is located at SMP Negeri 03 Sungai Pua. The population in this study amounted to 54 students. The sampling technique used is the random sampling technique. The instruments used in this study were questionnaires and documentation. Based on the results of the research that has been done, it shows that there is an influence of the make a match type of cooperative learning model on the activeness of students' PAI learning at SMP Negeri 03 Sungai Pua.  

Quality education requires a quality learning process. Quality learning is certainly designed in learning activities that use learning methods that are in accordance with the eyes taught by the teacher so as to assist the teacher in giving directions so that students can understand the content delivered by the teacher. In reality, education in Indonesia has decreased the quality of learning in the context of an independent curriculum. There are research findings called learning loss and learning gap devices in this problem. So it is expected that subject teachers must be able to restore the declining level of learning quality.  So researchers use a problem-based learning model. Where this problem-based learning model can solve problems and increase students' knowledge. The purpose of the study was to analyze the implementation of problem-based learning in improving the quality of PPKn learning at SMP Negeri 19 Malang. The method used in this research is qualitative case study method. Data collection techniques based on observation, interviews and document research. The result of this study is the application of the ICT-assisted problem-based learning model showing that a significant change because students are directed to examine problems in learning activities using problem-based teaching methods that have a positive impact on student achievement outcomes. Based on the results of the research, researchers can conclude that the application of ICT-assisted problem-based learning models in class VIII PPKn subjects of SMP Negeri 19 Malang students can solve problems in groups given by teachers.

The issue in this review is that low learning activity has an impact on low student learning results in class IV SDN Teluk Dalam 11. Through the Problem Based Learning Model, Think Pair Share, and Make A Match which is the best solution. The study aims to determine teacher activity, and to improve student learning results. This review utilized a subjective methodology with the sort of Homeroom Activity Exploration (Vehicle), which was completed in four gatherings. The subjects of the review were 4th grade understudies at SDN Teluk Dalam 11 Banjarmasin for the scholarly year 2022/2023, with a sum of 7 understudies. In this study, the data analysis used descriptive analysis techniques described from tables, graphs, and interpretations with percentages. The results of this study show that teacher activities at meeting I get a score of 20, meeting II get a score of 25, meeting II get a score of 26, and meeting IV get a score of 28. Student activities at meeting I get a percentage of 71.00%, meeting II get a percentage of 86.00%, meeting III and IV get a percentage of 100%. Student learning results at meeting II reached 86.00% and at meeting IV reached 100% (old style).

This research was conducted in class IX of Dian Todahe Middle School for the 2021/2022 academic year, with 25 students as subjects. This research aims to improve student learning outcomes by applying the Problem-Based Learning (PBL) approach to learning the movement of living creatures. This particular form of research is included in classroom action research (CAR) classification. This research examines student learning outcomes by analyzing their test scores before and after their involvement in the learning process, with a particular focus on Biology education, which is related to the movement of living things. Research findings show an increase in student performance during cycle II, which is then accompanied by an increase in student engagement. Of the total number of students, 22 (88%) completed their studies by getting a maximum score of 65. On the other hand, three students (12%) could only complete their studies if they scored below 65. The learning outcomes achieved in cycle II have fulfilled the requirements for completion. Traditionally, there has been a visible improvement in students' understanding of the subject matter.

This research was conducted at MTsN 1 Kota Payakumbuh based on several problems that the author found in class VIII MTsN 1 Kota Payakumbuh. This study was motivated by the lack of variety in the learning model applied in class, so that students were less active and felt bored in participating in the learning process, learning outcomes were less than optimal, and did not match what was expected. This research aims to find out how fiqh learning is implemented using the discovery learning model and the effectiveness of implementing the discovery learning model on the fiqh learning outcomes of class VIII students at MTsN 1 Kota Payakumbuh. This research is quantitative experimental research using a quasi-experimental approach. This research is located at MTsN 1 Kota Payakumbuh. The sample in this study consisted of two classes, namely the control class and the experimental class, with sampling using random sampling techniques. The instruments used in this research were observation, learning outcomes tests, and documentation. Based on research results from the N-Gain Score test results, it can be seen that the average score for the experimental class using the discovery learning model is 63.3982 or 63%, which is in the quite effective category. Meanwhile, for the control class whose learning was through lectures, an average of 24.0655 or 24% was obtained, which was included in the ineffective category. This means that there are significant differences in student learning outcomes between classes that use the discovery learning model and classes that do not use the discovery learning model. So, it can be concluded that there is effectiveness in applying the discovery learning model to the Fiqh learning outcomes of Class VIII students at MTsN 1 Kota Payakumbuh.  

This research was conducted at MTsN 1 Kota Payakumbuh based on several problems that the author found in class VIII MTsN 1 Kota Payakumbuh. This study was motivated by the lack of variety in the learning model applied in class, so that students were less active and felt bored in participating in the learning process, learning outcomes were less than optimal, and did not match what was expected. This research aims to find out how fiqh learning is implemented using the discovery learning model and the effectiveness of implementing the discovery learning model on the fiqh learning outcomes of class VIII students at MTsN 1 Kota Payakumbuh. This research is quantitative experimental research using a quasi-experimental approach. This research is located at MTsN 1 Kota Payakumbuh. The sample in this study consisted of two classes, namely the control class and the experimental class, with sampling using random sampling techniques. The instruments used in this research were observation, learning outcomes tests, and documentation. Based on research results from the N-Gain Score test results, it can be seen that the average score for the experimental class using the discovery learning model is 63.3982 or 63%, which is in the quite effective category. Meanwhile, for the control class whose learning was through lectures, an average of 24.0655 or 24% was obtained, which was included in the ineffective category. This means that there are significant differences in student learning outcomes between classes that use the discovery learning model and classes that do not use the discovery learning model. So, it can be concluded that there is effectiveness in applying the discovery learning model to the Fiqh learning outcomes of Class VIII students at MTsN 1 Kota Payakumbuh.  

The objective of this study is to assess the enhancement in student learning outcomes subsequent to the implementation of the Problem-Based Learning instructional approach in the eleventh grade of SMA Negeri 2 Tondano, located in the Sangihe Islands district, during the academic year 2022/2023. The present study is an instance of classroom action research (PTK) employing an action cycle that encompasses action preparation, implementation, observation, and reflection. The participants of this study consisted of 18 students from class XI MIPA3 at SMA N 2 Tondano. The data gathering methods encompass the assessment of student learning outcomes through the utilisation of test result data conducted at the conclusion of each instructional cycle. The data analysis was conducted using a quantitative descriptive approach. The findings of the study indicated that the implementation of questionnaires in cycle I resulted in a significant improvement in students' learning outcomes. The sample size for this phase of the research consisted of 18 participants. The completion rate of students' learning outcomes exhibited an upward trend, rising from 79.94% in cycle I to 86.27% in cycle II. The observed rise in student learning scores over each cycle suggests that the utilisation of the Problem-Based Learning model has the potential to enhance the learning outcomes of students in class XI MIPA3 SMA N 2 Tondano.

Based on the findings of class VIII junior high school students, the results showed that class VIII students were still minimally introduced to scientific work, in accordance with the Science Education Content Standards, scientific work is an important characteristic of science learning subjects and of the 26 students the level of mastery of the material only reached 26.93. %. Identifying the problems raised, the author tries to improve learning by conducting research applying the Direct Instruction (DI) Model. Based on the learning results during the learning activities, the author formulates the problems that arise and discusses them with supervisor 2 to find the causes and problems identified above. The problem in improving this learning is formulated as follows: Can the Application of the Direct Instruction (DI) Model Improve Learning Outcomes in Science Learning Material on Plant Structure and Function in Class VIII Odd Semester of SMP Negeri 1 Simpang Teritip for the 2022/2023 Academic Year? From the improvement activities of Cycle I, the following results were obtained: 3 students who got a score less than 40 - 55 (11.54%), 10 students who got a score greater than 56 - 66 (38.46%) and There were 13 students who got a score greater than 67 – 79 (50.00%). In cycle II, there were 9 students who got a score less than 56 - 66 (34.62%), 16 students who got a score greater than 67 - 80 (61.54%), students who got a score greater than 81 – 100 as many as 1 person (3.84%). In Cycle III, it showed that of the 26 students studied, 3 people (11.54%) got a score of less than 75, while 23 students got a score of more than 75 (88.46%). The average student score increased by 86.15 - 73.46 = 12.69. Increased 12.69% compared to cycle II. The conclusion from writing this PTK is that the correct application of the Direct Instruction (DI) Model can improve learning outcomes.