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This study aims to improve student learning outcomes on substance density material through the Problem Based Learning (PBL) model with the Six Hats of Thinking method. This type of research uses Classroom Action Research (PTK),  the research sample is 7G grade  students with a total of 32 students of UPT SMP Negeri 1 Gresik for the 2023-2024 academic year. The study was conducted two cycles. Method of data collection through tests. Based on the data obtained, it aims to determine student responses to improved learning outcomes. The data collected at PTK is in the form of quantitative data. The data is in the form of student learning outcomes. To analyze the level of achievement of student learning outcomes after the learning process per cycle by providing an assessment in the form of test questions per end of the cycle. This study brought the results that during the learning process there was an increase in student learning outcomes in cycle 1 reaching a grade average of 80 and cycle 2 showing an average increase of 92. Conclusion when applied PBL model with Six Hats Thinking method student learning outcomes increase.

Since the national curriculum was changed to text-based, explanatory texts have become one of the types of texts that are taught to students in class X of high school. One of the competencies that must be achieved by students in learning explanatory texts is producing. Students are required to be able to produce explanatory texts properly and correctly. However, there are still several problems in the achievement of these competencies. Based on the problems encountered in the field, it is known that innovative and creative explanatory text writing learning media is still lacking. An explanatory text is a text that provides information about a process resulting from the phenomenon of tang occurring. PBL (Problem based Learning) is a method of student-centered learning in this model is to improve students' ability to solve problems, use thinking skills and develop life skills such as critical thinking and teamwork. This mix method was chosen because it has suitability because in this study what is to be answered includes outcomes and the process of developing qualitative and quantitative data because in this method it is more about asking how the needs of high school class X students for the PBL model with learning media to produce explanatory texts based on digital media and local wisdom in order to facilitate and understand the mistakes of the research. In this case, it can also improve students' ability to solve problems, use various thinking skills and develop life skills.      

The problem with this study is that many schoolchildren still complain about having trouble writing essays, texts, or stories. The issue with writing skills is that for students to write well, they also need a lot of extensive knowledge. The objective is to determine the effect of the problem-based learning model on the ability of class X students at SMA Negeri 1 Kutalimbaru to write negotiation text material for the 2023–2024 academic year. This will be done by measuring students' ability to write negotiation text material using class problem-based learning. This exploration technique is trial research. A scoring system for evaluating a person's capacity to write negotiation texts serves as the data collection method. The examination area is at SMA Negeri 1 Kutalimbaru. The information examination methods in this exploration are homogeneity test, ordinariness test and t test. Based on the calculations, this study came to the conclusion that, at the 95% significance level, or  = 0.05, tcount is 38.39 and ttable is 1.66. The research alternative hypothesis (Ha) is accepted because tcount is greater than ttable (38.39 is greater than 1.66). Therefore, the ability of class X students at SMA Negeri 1 Kutalimbaru to write negotiation texts is influenced by the problem-based learning model.    

The problem with this study is that many schoolchildren still complain about having trouble writing essays, texts, or stories. The issue with writing skills is that for students to write well, they also need a lot of extensive knowledge. The objective is to determine the effect of the problem-based learning model on the ability of class X students at SMA Negeri 1 Kutalimbaru to write negotiation text material for the 2023–2024 academic year. This will be done by measuring students' ability to write negotiation text material using class problem-based learning. This exploration technique is trial research. A scoring system for evaluating a person's capacity to write negotiation texts serves as the data collection method. The examination area is at SMA Negeri 1 Kutalimbaru. The information examination methods in this exploration are homogeneity test, ordinariness test and t test. Based on the calculations, this study came to the conclusion that, at the 95% significance level, or  = 0.05, tcount is 38.39 and ttable is 1.66. The research alternative hypothesis (Ha) is accepted because tcount is greater than ttable (38.39 is greater than 1.66). Therefore, the ability of class X students at SMA Negeri 1 Kutalimbaru to write negotiation texts is influenced by the problem-based learning model.    

This study aims to develop Problem-Based Learning (PBL) teaching materials for algebra content in Junior High School (SMP). The research method used is Research and Development (R&D) with the ADDIE development model (Analysis, Design, Development, Implementation, and Evaluation). The results of the study indicate that PBL-based teaching materials can improve students' understanding of algebraic concepts and critical thinking skills. The trial was conducted on eighth-grade students at SMP negeri 3 Depok, with results showing a significant increase in students' final test scores compared to before using the PBL-based teaching materials.    

This research aims to discuss the influence of the Problem Based Learning Model on the Learning Outcomes of Class VIII Students at Wederok State Middle School.  The method used in this research is Classroom Action Research. The results of this research are that an average of 51 students is converted into 4 categories, so the average score of learning outcomes for Wederok State Middle School students after learning using the Problem Based Learning (PBL) learning model is generally in the not good category. Based on the results of research conducted in cycle I and cycle II with the application of the Problem Based Learning (PBL) learning model, learning outcomes have increased. This can be seen from the increase in the average student score during the research, namely 51 in cycle I and 85 in cycle II.

The importance of computational thinking skills has encouraged educational institutions around the world to integrate these concepts into their curricula. However, the challenge faced is finding the most effective learning methods and models to teach these skills. An appropriate learning model must not only be able to attract students' interest and motivation, but must also be able to increase their understanding and practical abilities in computational thinking. This research adopts a literature review method to explore information about effective learning models in improving students' computational thinking skills. Data was collected from various sources such as national and international journals, reference books, newspapers and magazines. The main aim of this literature review, as explained. The results of research on Problem Based Learning (PBL) and Project Based Learning show very positive results in improving students' computational thinking. These two models not only improve computational thinking skills, but also critical, creative and analytical thinking skills, as well as student participation and involvement in the learning process.

Viewed through the lens of arts and culture course results, students' cognitive capacities This is because classrooms are still using ineffective methods of instruction that discourage students from working on their skills in a variety of settings. The purpose of this study is to use the problem-based learning (PBL) approach to education in the arts and cultural topics (music arts) with the objective of enhancing students' cognitive capacities. The four phases of classroom action research (1) planning, (2) implementing, (3) observing, and (4) reflecting make up the study methodology. Observation and multiple-choice tests are two methods used to gather data. Qualitative and quantitative descriptive methods are used in data analysis. There was an increase from 34 students in the first cycle who finished the KKM to 36 students in the second cycle, indicating that students' cognitive abilities improved. It follows that students' cognitive capacities may be enhanced by the problem based learning (PBL) model's implementation  

This study aims to improve the mathematics learning outcomes of 4th grade students of SDN Dukuh Kupang V, Panguragan District, Cirebon Regency Semester 2 of the 2022/2023 academic year by using the Problem Based Learning model. This research is a classroom action research (PTK) conducted in two cycles. The subjects in this study were 4th grade students of SDN Dukuh Kupang V Surabayai, totaling 30 students. The variables in this study consisted of independent variables, namely the Problem Based Learning model and the dependentvariable, namely math learning outcomes. Data collection techniques using test techniques. Data analysis techniques using comparative descriptive in the form of percentages of math learning outcomes in pre-cycle, cycle I and cycle II. Based on the results of the study, it can be concluded that learning with the Problem Based Learning model can improve learning outcomes in mathematics subjects on the perimeter area of flat shapes. The results before the action was taken,namely in the pre-cycle only 13 students or 43% were complete, in cycle I increased to 21 studentsor 70% who completed learning math and in cycle II increased again to 26 students or 86% who completed learning. This research is said to be successful because it reaches the performance indicator which is > 80% of all students with KKM 70.

Critical competence plays an important role in students' ability to solve a problem that occurs. Through PBL, students are trained to develop ideas, or ideas that can facilitate them in problem solving and learning activities at school. By using the Problem-Based Learning paradigm to achieve learning objectives in elementary schools, students' critical competencies are developed. This form of learning looks at the relationship between critical thinking and student learning outcomes by using a qualitative approach with literature study as a source of in-depth analysis. A suitable approach to help students build critical thinking skills is a problem-based learning strategy. Students are encouraged to actively participate in solving problems that arise when using the Problem-Based Learning paradigm, according to the learning outcomes. By using this problem-based learning approach, students are encouraged to investigate a problem in more detail and from a broader perspective. Students can come up with original ideas in this situation or ideas for problem solving. By developing students' critical thinking skills and highlighting the important role that teachers play in fostering an enjoyable learning environment and acting as facilitators in the teaching and learning process, the Problem Based Learning model has been proven to improve the quality of teaching and student learning outcomes in educational settings.

This research aims to determine the effect of the Problem Based Learning (PBL) learning model on student learning outcomes in the Biogeochemical Cycle sub-material in Class X SMA Negeri 1 Darangdan. This research uses a quantitative approach with a Quasi Experimental research method with a Non Equivalent Control Group Design. The population in this study were all class X students of SMA Negeri 1 Darangdan, Purwakarta Regency. The sampling technique was Purposive Sampling with a sample of class X.9 as the experimental class which took part in learning by applying the Problem Based Learning (PBL) learning model and class The variables of this research include the independent variable, namely the Learning Model (PBL Learning Model vs. Conventional Learning Model) and the dependent variable, namely student learning outcomes in the Biogeochemical Cycle sub-material in Class X SMA Negeri 1 Darangdan. The data collection technique uses the Test Method. The instrument used is a multiple choice test. Learning outcome data were analyzed using the Independent Sample T-test. Learning Results of experimental class students achieved good characteristics and the control class only achieved adequate characteristics. The mean post-test for the experimental class was 83.1 and the mean post-test for the control class was 74.04. The results of the Independent Sample t-test show the value of tcount = 3.363 > ttable = 1.989. Because tcount > ttable, Ho is rejected and H1 is accepted, which means that there is a significant difference in student learning outcomes between classes that take part in learning using the Problem Based Learning (PBL) learning model and classes that take part in conventional learning. And also the Sig value. (2-tailed) < 0.05, namely 0.001. So it can be concluded that the Problem Based Learning (PBL) learning model influences student learning outcomes.      

Students' mathematics learning outcomes are relatively low in Mathematics subjects. The aim of this research is to improve student learning outcomes with the Problem Based Learning learning model. PBL is carried out by applying the principles of Understanding by Design (UbD). Each cycle consists of planning, implementation, observation and reflection. This research was carried out in class VII C of SMP 8 Denpasar with 41 students as subjects. This research uses test and non-test instruments in the form of student learning outcomes tests and interviews. The results of the research carried out were that in Cycle I the percentage of students who completed was 48.78%, then in Cycle II the percentage of completion was 78.05%, because the students' grades had met the specified classical completeness so the research was stopped in Cycle II. Based on these results, it can be concluded that there has been an increase in student learning outcomes in Mathematics learning by implementing PBL with the principle of UBD.

The research approach used is Classroom Action Research which is carried out in 2 cycles where each cycle is as many as 4 meetings, as for the learning steps given in the classroom action research approach, namely paying attention to teacher explanations, asking questions during discussions, collaborating with groups, presenting results and concluding material.The results showed that there was an increase in student learning outcomes seen from the test results obtained by students each cycle increased, besides that student activity in the classroom also increased. This can be seen from the number of percentages in the first cycle of the first meeting only got a percentage of 57.6% and 84.61% in the second meeting in the second cycle of the previous one, this is because students do not understand the Problem Based Learning (PBL) learning model. It was concluded that by using the Problem Based Learning (PBL) model. In learning Civics class IV UPT SPF SD Inpres Bontomanai is able to improve student learning outcomes.

Problem-based learning is an educational approach that centers around the exploration of real-world problems, with an emphasis on finding genuine solutions through realistic investigation. The objective of this study is to ascertain the outcomes of students' learning achievement through the implementation of a problem-based learning approach, specifically focusing on the topic of animal classification. This study employs the methodology of classroom action research. The research was conducted at SMP Negeri 8 Kei Besar. The participants of the study consisted of 33 pupils in the seventh grade. The research findings indicated that the rate of classical learning achievement in the first cycle was 27%, with a mean score of 62%, while in the second cycle it increased to 81.9%, with an average score of 76%. The findings of this study demonstrate that the utilization of a problem-based learning approach in teaching animal classification can enhance students' academic achievements.    

This research aims to describe the short story writing ability of class IV students at SD Inpres Andi Tonro Makassar through the Problem Based Learning model and to describe the effective Problem Based Learning learning model applied in writing short stories for class IV students at SD Inpres Andi Tonro Makassar. This research uses the one group pretest-posttest design research method. The population in this study were all students in class IVA and class IVB at SD Inpres Andi Tonro Makassar. The sampling technique used is a data source retrieval technique with certain considerations with experimental class and control class samples. The instrument used is a test instrument in the form of essay questions to measure students' short story writing results using the Pretest - Posttest. Based on the research results, it shows that students' ability to write short stories after using the Problem Based Learning learning model in the experimental class is in the high category, namely a posttest result of 90.42. Meanwhile, the average score of the control class posttest results was in the low category, 72.50. It is proven in the management results of the hypothesis that Sig (2. Tailed) = 0.000, meaning that H_0 is rejected because Sig (2. Tailed) < α or (0.000 < 0.05). H_1 is accepted because Sig (Tailed) > α or (0.596 > 0.05). In the analysis of the T Sig <t_tabel or (0.596 <1.746) test, it is concluded that H_0 is rejected and H_1 is accepted, meaning that there is significant effectiveness of the Problem Based Learning model in learning to write short stories for fourth grade students at SD Inpres Andi Tonro Makassar.

The change in the Merdeka Curriculum has made learning tools in various subjects including biology in class X inadequate. This study aims to determine the feasibility of Problem-Based Learning (PBL) based LKPD (student worksheet) accompanied by Science Process Skills (KPS) on the material of environmental changes in class X. The development model refers to the research and development (R&D) method with 5 stages. The stages are potential and problems, data collection, product design, design validation, and design revision. The research instruments used were instrument validation questionnaires and validation sheet questionnaires. The validated aspects are the format, content, language, and benefits/usability of LKPD. Validation was carried out by 5 validators. Analysis of validation results using face validity Aiken's V with criteria V = 0.87. The results showed that the LKPD met the valid criteria with a total average of 0.947. It can be concluded that problem-based learning-based LKPD accompanied by science process skills is declared valid and ready to proceed to the trial stage.

One of the aims of this research is to identify students' writing skills taught by the Somatic, Auditory, Visual and Intellectual (SAVI) learning model in expository texts written by students in class X SMA N 14 Medan. Another aim is to find out how the problem-based learning model (PBL) and the SAVI (Somatic, Auditory, Visual and Intellectual) learning model have an impact on the exposition text. This research involved all students in class X SMA N 14 Medan, with a simple random sample, consisting of 36 students in class X-1 and 36 students in class X-2. A two-group post-test experimental method was used and the research instrument was an expository text writing test. The "t" test data is used to test the hypothesis. The results show that students' ability to write expository texts using the PBL learning model is in the fair category with an average score of 70.36, while their ability with the SAVI learning model is in the very good category with an average score of 89.36. Furthermore, the results of the hypothesis test show that the null hypothesis (H0) is rejected, and the alternative hypothesis (Ha) is accepted, because tcount is greater than ttable, namely 9.82 is greater than 1.934. Thus, it can be concluded that the expository text writing skills of class X SMA N 14 Medan students are greatly influenced by the use of the SAVI learning model.

Learning is a process, an activity and not a result or goal. Learning is not just remembering, but broader than that, namely experiencing. This article discusses how to apply the PBL (Problem Based Learning) learning model in increasing student activity. This research is classified as qualitative descriptive research. In the learning process, students tend to get bored and less interested in the ongoing learning process because the method used is only lectures and is monotonous. Student activity in the learning process also has an important role in learning outcomes. The project based learning learning model is a scientific approach which consists of several stages, including observing, asking, collecting information, reasoning and communicating. Through these various stages students can increase their role in the learning process.

This research aims to determine the effect of the Problem Based Learning learning model on review text writing skills in class XII students at SMA Negeri 1 Pekanbaru and to find out how the Problem Based Learning learning model is applied to review text writing skills in class the type of research carried out in this research is a Quantitative Approach. The population in this study was all students in class. The data collection technique used in this research is the test and observation method. Data Analysis Techniques In this research the author uses quantitative descriptive. The research results in this study are the value of review text writing skills studied using the Problem Based Learning method, meaning that the average percentage of student scores is 85.00 ≥ 100% of the specified KKM, so it can be concluded that H1 is accepted and H0 is rejected and there is an influence on Value of review text writing skills for class XII students at SMA Negeri 1 Pekanbaru. The results of hypothesis testing use the t test, namely the Independent Sample T-Test via the SPSS program. shows that t count ≥ table, namely 128.567 > 2.036 with df = 32 at the 5% significance level is 2.036 so that H1 is accepted and Ho is rejected.

This research aims to determine the difference in student learning outcomes regarding linear equations and inequality taught using the PBL model compared to student learning outcomes taught using the Direct Instruction model. This research is quasi-experimental. The samples in the research were class X-IPA as an experimental class with a total of 17 students. The instrument used in this research consisted of a learning outcomes test in the form of a written test in the form of an essay with material on linear equations and inequalities. The data collection technique is through observation and tests in the form of evaluation questions. The test is carried out twice. Namely, the pretest is carried out at the beginning of the research to determine students' achievement scores before treatment, and the posttest is carried out in both control and experimental groups after treatment. Based on hypothesis testing using independent test statistics (T-test), tcount = 3.596 and ttable = 1.694 at a significance level of ⍺ = 0.05. The research results show that the tcount value is more significant than ttable because (3.596 > 1.694) with a sig (2-tailed) value of 0.014 < 0.05 so it can be said that there is a significant difference in the learning outcomes of the experimental group using the PBL model and the control group using the Direct Instruction learning model which means that there is an influence of the application of the PBL learning model on the learning outcomes of class X students at SMA Negeri 2 Tondano.