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This research was conducted to assess the effectiveness of using the Problem Based Learning (PBL) approach in teaching poetry writing in Indonesian language classes. This method was applied to assess the extent of students' mastery of the material and their response to problem-based learning. Based on the results of the questionnaire distributed, it was found that materials such as procedural texts, expository texts, negotiation texts, poetry, drama, and novels are materials that often use the PBL model. The results show that around 75%–80% of students understand learning with the PBL approach and show active and enthusiastic responses during the learning process. However, the implementation of PBL faces a number of obstacles, including limited time allocation and the level of readiness of students in digesting complex problems. Thus, periodic assessment and adaptation of the learning approach are key to optimising the effectiveness of this method.

Learning is the process of forming behavior or behaviorism and is seen from the cognitive aspect of students, in fact to support the achievement of ideal educational goals with the existing education system in Indonesia. In this research, the author is interested in researching students' cognitive aspects in line with 21st century learning to determine students' critical thinking abilities using the problem based learning model. This type of research is research using a quantitative research approach. The sample in this study was control class VII A students with a total of 13 students and VII B was an experiment with a total of 12 students at Halioam State Middle School, totaling 25 students. Data collection techniques use test questions and documentation, interviews. Data analysis used the independent sample t-test hypothesis test and the N-Gain score test. The results of the research show that the problem based learning model can have an influence on the critical thinking abilities of class VII students at Halioan State Middle School. This is proven by assessing students' critical thinking abilities using a hypothesis test using an independent sample t-test. The result was a 2-tailed sig of 0.000 < 0.05 so that there is an influence of the problem based learning model on Halioan State Middle School students' critical thinking abilitie.

This research aims to determine the effect of learning using the Problem Based Learning model assisted by the Powtoon application on the learning outcomes of Class XI Madrasah Aliyah at the Islamic Education Park (TPI) Sawit Seberang. This research is a type of quantitative research with a Quasy Experimental Design. The research population was 36 students in class XI MIA A and 36 students in class XI MIA B, 36 students in class XI MIA C and 36 students in class, and X MIA C totaling 36 people as the control class. The instrument in this research is in the form of a test in the form of 30 multiple choice questions. Data analysis of student learning outcomes using the t-test formula, also with the help of SPSS version 25 data processing. Data analysis of student learning outcomes with the results of calculating the average learning outcomes shows that the experimental class which uses the Problem Based Learning models is higher than the control class. The prerequisite test is proven that the data is normally distributed and homogeneous. The results of the test calculation were obtained under count worth 9.709 and table worth 1.668 so that it shows tcount > table so Ha2 is accepted. The conclusions in this research explain that there are influences and differences before and after the implementation of the Problem Based Learning model on student learning outcomes in class XI Madrasah Aliyah at the Islamic Education Park (TPI) Sawit Seberang.

This study aims to improve the critical thinking skills of fourth-grade elementary school students in understanding the concept of fractions through the application of the Problem Based Learning (PBL) model. The background of this study focuses on students' still low abilities in: (1) analyzing mathematical problems; (2) planning solution strategies; (3) drawing logical conclusions when working on fraction problems. This study uses the Classroom Action Research (CAR) design model Kemmis & McTaggart which was implemented at SD Negeri 2 Tahunan during the even semester of the 2024/2025 academic year. The research subjects consisted of 23 fourth-grade students who were selected purposively based on the results of the initial diagnosis. Data collection techniques were carried out by triangulation through: (1) formative evaluation tests; (2) participatory observation sheets; (3) learning video documentation; and (4) field notes. Data were analyzed quantitatively and qualitatively with a comparative descriptive approach. The results showed that the application of the PBL model was proven to be effective in improving: (1) students' critical thinking skills on average from 39.13 (low category) to 92.61 (very good category); (2) classical completeness from 8.7% to 91.3%; and (3) learning activities became more meaningful. Statistical analysis of paired sample t-test showed a significant difference (t=19.09; p<0.05) between before and after treatment. Other important findings include: (1) an increase in students' questioning skills by 78%; (2) an increase in the ability to provide arguments by 82%; (3) an increase in problem-solving skills by 85%. In addition, there was an increase in the following aspects: (1) group cooperation; (2) self-confidence; and (3) active involvement in class discussions.

This study aims to describe the influence of the Problem Based Learning (PBL) learning model on the learning outcomes of photosynthesis materials in grade IV elementary schools. The method used in this study is an experimental method with a quasi-experimental type. The design in the study is a non-equivalent control group design. The design of this study involves two classes, the experimental class, namely IV-B, is learning using the Problem Based Learning (PBL) learning model and the control class, namely class IV-C, is learning using the conventional learning model. The sample used was 54 students in grades IV-B and IV-C SD YPI Darussalam. The data collection technique uses a learning outcome test. Based on the results of the study in the Independent Sample T-test which showed a Sig. (2-tailed) value of 0.000 ≤ 0.05 which means less than 0.05, then H0 and Ha were accepted, which means that there is an influence of the Problem Based Learning (PBL) learning model on the learning outcomes of photosynthesis materials in grade IV elementary school.

Madrasah Aliyah Swasta Taman Pendidikan Islam Medan shows that learning Akidah Akhlak in class XI is still textual and has not encouraged active student participation. Teachers use more thematic books as the main source of learning without linking them to contextual phenomena that are close to students' lives. As a result, students have difficulty understanding the material, such as the topic of funeral prayers. This can be seen from the students' daily test scores which only reach an average of 45, far below the Minimum Completion Criteria set by the school, which is 75. The research method is quantitative, this method can be interpreted as a research method based on the philosophy of positivism, used to research certain populations or samples, sampling techniques are generally carried out randomly. The conclusion of this study shows the average posttest score of students who are given learning using the problem based learning method (experimental class). This shows that there is a difference between student learning outcomes in the subject of Akidah Akhlak in the experimental class when compared to the learning outcomes of Islamic Religious Education in the control class. Thus, the use of problem based learning methods in learning akidah akhlak is more effective than learning using conventional approaches in an effort to improve the learning outcomes of class XI students at Taman Pendidikan Islam Private Islamic Senior High School. So it can be concluded that there is an Influence of the Use of Problem Based Learning Methods on Improving Literacy Skills in the Subject of Akidah Akhlak in the Experimental Class with the Control Class at Taman Pendidikan Islam Private Islamic Senior High School.

This study aims to determine the effect of the Problem Based Learning (PBL) model on students’ problem-solving abilities in the reaction rate material at SMA Negeri 07 Gorontalo. The research employed a quasi-experimental method with a pretest-posttest control group design. The subjects consisted of two classes: class XI1 as the experimental group (using the PBL model) and class XI2 as the control group (using conventional learning). The instrument used was an essay test based on problem-solving indicators. The results showed a significant improvement in problem-solving ability in the experimental class compared to the control class. The average posttest score of the experimental class was 74 (categorized as good), while the control class scored 52 (categorized as fair). The t-test results indicated a significant difference between the two groups (p < 0.05), suggesting that the PBL model is more effective in enhancing students' problem-solving abilities than conventional learning methods.  

This research is motivated by the problems in class VIII of Al-Irsyad TI Bulaan Kamba Islamic Boarding School that the learning process is still centered on the teacher, lack of student response to mathematics learning, lack of student courage to ask the teacher, students still think mathematics is difficult and scary, lack of interest in learning mathematics, and students are less enthusiastic when participating in mathematics learning. One alternative learning that can be done to overcome these problems is to apply the Problem Based Learning learning model. This study aims to determine the effect of the Problem Based Learning learning model on the interest in learning mathematics of class VIII students of Al Irsyad TI Bulaan Kamba Islamic Boarding School. The hypothesis in this study is "there is a significant effect of the Problem Based Learning learning model on the interest in learning mathematics of class VIII students of Al Irsyad TI Bulaan Kamba Islamic Boarding School". This type of research is a pre-experiment with a one group pretest-posttest research design, the population in this study were all students of class VIII of Al Irsyad TI Bulaan Kamba Islamic Boarding School, the sampling used was Random Sampling, first a normality test, homogeneity test, and average similarity test were carried out on the population data. The sample in this study was class VIII A as the sample class. The instrument in this study was a questionnaire on students' interest in learning mathematics. The data analysis technique used in this study was the paired sample t test. The results obtained from the paired sample t test were t count = 2.81 and t table = 2.05 and sig = 0.0045 at a real level of α = 0.05. From these results it can be concluded that H0 is rejected and H1 is accepted. So it can be concluded that there is a significant influence of the Problem Based Learning learning model on the interest in learning mathematics of class VIII students of Al Irsyad TI Bulaan Kamba Islamic Boarding School.    

This research is motivated by the challenges faced by teachers in implementing effective and smooth learning processes, particularly in implementing the Problem Based Learning (PBL) model in Islamic Cultural History (SKI) learning at MAN 2 Bengkulu City. Teachers, as crucial components in the learning process, need to pay attention to students' needs and characteristics in preparing meaningful learning. The PBL model is one of the alternative learning approaches that uses problems as a starting point for students to develop critical thinking skills. This research employed a qualitative approach with research subjects comprising teachers and eleventh-grade students at MAN 2 Bengkulu City. Data collection was conducted through observation, in-depth interviews, and documentation. The research results identified several obstacles in PBL implementation, namely: (1) limited learning time; (2) minimal supporting facilities; (3) variations in student ability levels and characteristics; and (4) lack of interaction and communication between teachers and students. This research also produced strategies to overcome these obstacles, including thorough preparation, effective time management, and development of teachers' abilities to facilitate problem-based learning. These findings contribute to the development of more effective SKI learning practices with a PBL approach in madrasas.

This study examines the effectiveness of the Problem-Based Learning (PBL) model in improving critical thinking skills of students of V MIN 2 Sibolga in the Citizenship Education (PKN) class curriculum. The findings of this study are supported by students' critical thinking skills obtained from the results of the KKM exam and the low level of participation in traditional classroom learning. Using a quantitative approach with a quasi-experimental method and a Non-equivalent Control Group design, this study involved 44 students in the control group (conventional) and the experimental group (PBL). The purpose of the research instrument, namely a double test, was to assess students' critical thinking skills before and after the intervention. The results showed a significant increase in the experimental group that implemented the PBL model. The average post-test score of the experimental group reached 87.50, far exceeding the control group which only reached 60.42. Statistical analysis using the paired sample t-test produced a sig. (2-tailed) value of 0.000, which is smaller than α (0.05). This finding indicates a significant positive effect of the application of the PBL model on improving students' critical thinking skills. The results of this study indicate that the PBL model is effective in improving students' critical thinking skills in PKN classes. This model successfully encourages students to actively participate in their education and develop their analytical skills. This study recommends the use of the PBL model not only in PKN education but also in other subject areas to maximize students' growth in critical thinking. The application of the PBL model can be a potential solution to overcome the challenges of improving students' achievement and critical thinking skills at the highest level of elementary school.