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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 research is motivated by the lack of students' ability to solve problems. The purpose of this research is to find out how the ability to solve problems. The type of research used is descriptive-qualitative with a case study research design. The research subjects were in class XI TPM 1 which consisted of 18 students. The subject chosen for the interview was one student who was selected based on his test results. The research instrument was test results in the form of essays and interviews. The results of the research that has been done show that the most problem-solving abilities are at the re-examining stage.

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.

The research purposed to increase students motivation and used variation of teaching methods teachers in the delivery materials of students. It causes problems faced today, teachers spend too much time in front of classroom without give a chance students to explore new things besides in the class. Another programs is the low critical thinking ability of students which can be seen from the questions and students answer during the learning process. This is accordance with the results shown by Program for International Study Assesment (PISA) in 2015, Indonesia position as one the lowest ranked in quality, Education is ranked 62nd out of 70. Inquiry learning model is one of the way solves this problem. From the facts obtained, the writters tried to provide solutions of these problem is the right to do the development of teaching inquiry learning model. The design of this study using basic research. By using the inquiry learning model, the things obtained is inquiry training requires insvetigative activities, either observation or experiment, which or part of scientific performance. Inquiry involves process skill based on a scientific atittude so that activity can help students to gain a deeper understanding of the environment.

The importance of this research is that there are important things that must be considered in this research, namely, in order to achieve the expected educational goals, quality and effective learning is needed. Based on the background that has been described, the author formulates the problem as follows: 1. What are the values ​​of character education in PPKn learning to develop critical reasoning in class VIII-E students at SMPN 17 Malang, 2. What are the obstacles in implementing PPKn learning? to develop critical reasoning in class VIII-E students at SMPN 17 Malang,3. How to implement character education in PPKn learning to develop critical reasoning in class VIII-E students at SMPN 17 Malang. The aim of this research is to find out school policies regarding the implementation of character education in PPKn learning to develop critical reasoning at SMPN 17 Malang. This research uses descriptive qualitative. The data collection techniques used are observation, interviews and documentation, data analysis techniques use triangulation to obtain the validity of the data, while the data analysis used in the research is reduction, display and verification.

Algorithms are steps that are arranged logically and systematically to solve a problem. In the world of simple programming, the algorithm is the initial stage and is written before the program is written. One of the problems that can be solved with computer programming is problems that involve mathematical calculations. This research aims to develop understanding of algorithms and develop programming skills, especially for beginners. The method used in this research is the literature study or literature review method, namely analyzing several studies related to the topic discussed, especially introducing the basic concepts of programming algorithms, characteristics of programming algorithms, grouping programming languages ​​based on level and algorithm notation, which are some of the basic things that are mandatory. known by everyone who wants to create a program. This understanding will be very helpful in the development of more complex programming projects. Therefore, learning basic programming algorithms is very crucial or important for anyone who wants to start in the world of programming.

The importance of character education in learning is to improve the quality of implementation and educational outcomes in schools which leads to the achievement of student character formation. In this case, the teacher is not only tasked with delivering learning material, but is also tasked with instilling character values in students (Fatmawati, 2017: 8). This type of research is qualitative research and the method used is a descriptive method. Sugiyono (2017:9) qualitative research is a research method used to examine natural objects. The main aim of qualitative research is to understand social phenomena or symptoms by providing an explanation in the form of a clear description of the social phenomenon or symptom in the form of a series of words which will ultimately produce a theory, which is explained (Sujardewi, 2014: 110). Based on the description that has been presented, this research is defined as a research process that produces descriptive data in the form of written or spoken words from people and behavior that is observed and carried out naturally. This research uses a qualitative research method with the hope of being able to describe the analysis of character education in mathematics learning material on absolute values for students at SMA class X Harapan Bangsa Samalantan. absolutely at SMA Harapan Bangsa Samalantan class X. In chapter IV, the results of the research that has been carried out and the discussion are presented. Therefore, (1) Results, (2) Discussion are successively put forward.1. Analysis of character education in mathematics learning with absolute value material in class X has been carried out by the teacher through planning, implementation and evaluation carried out by the teacher. Mathematics teachers in planning mathematics learning material have absolute values for the character values listed in the RPP, namely the character values of discipline, honesty, responsibility and skills. In implementing learning, mathematics teachers also apply character education through methods, strategies and learning media. Analysis of character education in mathematics learning with absolute value material is based on lesson plans that have been created and adapted to learning conditions. The teacher's learning implementation uses the case study method, so that students always think critically in their efforts to solve problem formulation in mathematics learning with absolute value material. Assessment of the achievement of character education in mathematics learning absolute value material in class X using test questions and observation sheets of student behavior in learning.

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.

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.

The aim of this research is to find out the learning outcomes of students' Christian Religious Education and Character Education which are taught using the brainstorming method are higher than those taught using the problem solving method in class VII at SMP Negeri 1 Sipoholon in the 2023/2024 academic year. The method used in this research is true experimental design with posttest only control type. The population is all class VII students of SMP N 1 Sipoholon for the 2023/2024 academic year, totaling 189 people. The sample was determined using a purposive sampling technique of 62 people with conditions set in class VII-3 as the experimental class and class VII-4 as the control class. Data was collected with a test of 30 question items. The test data were analyzed using the separated variance t test formula according to the test analysis requirements, namely n1=n2 and the variance of the two sample groups was homogeneous. The results of hypothesis testing obtained a value of tcount = 11.13> ttable (α = 0.05; dk = n1+n2-2= 60) = ttable 1.671, so H₀ is rejected and H1 is accepted. Based on the research results, it can be seen that using the brainstorming method with an average learning achievement score of 8.26 is higher than using the problem solving method with an average score of 5.09 in class VII of SMP Negeri 1 Sipoholon for the 2023/2024 academic year.

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.

This research was carried out to provide support for learning that develops technology in the learning process of students in schools, especially vocational schools, in order to overcome the low effectiveness of practical learning skills that has occurred in productive subjects. The aim of this research is to prepare an electronic practical worksheet (Jobsheet) that can be proven to be practical, valid & effective in improving students' practical learning skills in vocational schools. This research uses the applied Research and Development method. The target of this research is class X students at An Nur Vocational School. Those related to this research are: material, media and language experts. This research has produced valid, practical and effective products in the development of portfolio-based problem based learning to improve critical thinking skills and democratic attitudes. to improve critical thinking skills and democratic attitudes. Validation from material experts obtained a value of 87.2, media experts 87.1 and language experts 88.3 so that the product developed was in the very valid category, with a practicality level of 83.4 classified as very practical, and effective in improving product assembly with a calculated value > ttable, namely 16.491 > 2.015 or < 0.05.

The purpose of this research is to find out the comparison of Inquiry and Problem Based Learning learning models on critical thinking skills in terms of students' learning interests. This research was conducted at SMP Negeri 5 Sandai. This research was a quantitative experiment with the type of quasi-experimental design (quasi-experimental) research. The design of this study followed the research paradigm flow of Randomized Only Control Group Design where the subjects taken were grouped into two groups, namely experiment I and experimental group II. In this study, the samples were VIII grade students consisting of VIII A and VIII B classes. Experimental class 1, VIII A consisted of 30 students and experimental class 2, VIII B consisted of 30 students. The data collection tools used in this study were response questionnaires and tests of critical thinking skills in the form of essay questions. The results of the analysis of variance of the two cell paths are not the same indicating that there are differences in critical thinking skills between students with high, medium and low interest in learning. Based on the post-anava test with the Scheffe method, the value of F_(.1-.2) = 0.7374; F_(.1-.3) = 6.7540; F_(.2-.3) = 1.4279; DK = {F│F<3.168}. From the results of the calculation of the two-way analysis of variance with unequal cells, the value of F_ab=1.576<F_(0.05;2;54)=3.16 means that H_0AB is accepted so that there is no interaction between the learning model and learning interest on students' critical thinking skills.

This research aims to describe the use of statistics by teachers for recording and determining student learning outcomes in cultural arts (dance) lessons in Class X of State High School 2 KerinciProvinsi Jambi. The background to the research problem is on the teacher's initiative to use statistics in the measurement and assessment of student learning outcomes that are routinely carried out each semester. This type of research is qualitative research, with descriptive methods of analysis. The choice of this type and method of research is because the researcher describes all the field facts of the observed research object, especially in teachers as the main source of research. This research was conducted in the even semester of the 2020/2021 school year. Research instruments are records of observations, interview guidelines, and documents. Data collection techniques use observations, interviews, and library studies. Data analysis techniques exist in 8 stages, namely (1) collection; (2) transfer; (3) marking; (4) bending; (5) the application; (6) Explanation; (7) discussion; and (8) The level of inference. The results of research have described that statistics can be used to help teachers determine and assign the value of the process and the value of student learning outcomes in order to record student grades based on (1) attendance, Daily Replay (UH) grades, Midterm Examination (UTS) scores; Final Semester Exam (UAS) scores, and assignment scores. All records of values that have been collected, can be used for the determination of the final value of the semester validly.  

The main problem in this study is whether there is an effect of the use of Quartet Card Learning Media on PPKn Learning Outcomes of Grade V Students of SD Negeri Mangasa 1. This study aims to determine the Effect of Using Quartet Card Learning Media on PPKn Learning Outcomes of Class V SD Negeri Students Mangasa 1. This type of research is an experimental research type of pre-experimental design with the form of a one group pretest-posttest design. The research procedure includes pretest, treatment, and posttest. The sample in this study were 26 students of Class V SD Negeri Mangasa 1. The results of this study indicate that the effect of the use of quartet card learning media on PPKn learning outcomes for fifth grade students of SD Negeri Mangasa 1 (Pre-test) shows that the number of students who have not reached the KKM is 26 students (overall) or 0% while students who have achieved KKM is 26 students (overall or 100% with an average value of 54.7. Therefore, the results of the influence of the use of quartet card learning media on PPKn learning outcomes for class V SD Negeri Mangasa 1 are still classified in the low category and not meets the classical completeness criteria.Based on the results of the research above, it can be concluded that the Effect of Using Quartet Card Learning Media on PPKn Learning Outcomes of Class V SD Negeri Mangasa 1 has increased.

This study aims to improve the learning outcomes of class I students at SDN Ngijo 01 Semarang in the material form of shapes using smart board media. This type of research is Classroom Action Research. This research consists of 5 cycles. Each of these cycles includes the stages of planning, implementing, observing and reflecting. The research subjects were class I SDN Ngijo 01 Semarang, totaling 28 students consisting of 10 male students and 18 female students. Data collection methods in this study are tests and observations. The research instruments used in this study were test questions and observation sheets. The data analysis technique used in this study is a qualitative descriptive technique with percentages. The success criteria achieved by students and teachers in this study were seen from changes towards improvement and increasing student learning outcomes. The results of the study show that the use of smart board media is able to improve student learning outcomes in the shape material. This can be seen from the percentage of students' pre-action scores that achieved 39.3% classical mastery level, namely 11 out of 28 participants. In cycle I 64% completeness classical, cycle II 68% completeness classical, cycle III 71% completeness classical, cycle IV 75% completeness classical, cycle V 89% completeness classical. Due to the increase in student learning outcomes from having met the target of 85% so that the cycle ends in cycle V. Students show activeness in the learning process and students also understand more because they have direct learning experiences using smart board media.

The formulation of the problem in this study is whether the guided discovery method assisted by learning media can improve mathematics learning outcomes in fourth grade students at SDN 14 Turatea. The purpose of this study was to improve mathematics learning outcomes through guided discovery methods assisted by learning media in fourth grade students at SDN 14 Turatea. This type of research is Classroom Action Research (PTK) which is carried out in two cycles. The subjects in this study were 17 grade IV students at SDN 14 Turatea in the 2022-2023 academic year. Research procedures include planning, implementation of action, observation and reflection. The results showed that in the first cycle of students who completed individually only 10 people or 59% and the average score obtained was 69. Meanwhile in the second cycle where out of 17 students there were 14 people or 82.35% had fulfilled the KKM and the average score -the average obtained was 81.76. Based on the results of this study, it was concluded that the application of the guided discovery method assisted by learning media can improve student learning outcomes in class IV SDN 14 Turatea.

This study is focused on setting the grouping of students in formal educational institutions and the rules that apply to student groups in formal educational institutions. This type of research is library research. Literature review research is the result of analyzing various conceptual information as well as qualitative and quantitative data from various previously published scientific articles. The method used in this research is literature study which serves as a guide in studying a research problem. Based on the results of data analysis, it appears that the grouping of students in formal educational institutions is grouped according to predetermined rules. Grouping students is an important thing to do as part of being able to place students in the right position according to the character, interests and talents of the students. The purpose of grouping students is to facilitate students in the learning process.    

The purpose of this study was to develop Problem Based Learning (PBL) based E-Comic learning media on Problem Solving Ability that is valid, practical, and effective on student learning outcomes in statistics material in class XII at SMA Negeri 1 Sungai Laur. The method used is the ADDIE method. The subjects of this study were 29 class XII students of SMA Negeri 1 Sungai Laur, 3 material and media experts. The instruments used in this study were in the form of material expert validation sheets and media expert validation sheets, teacher response questionnaires, student response questionnaires and post-test questions based on the results of the research that had been carried out obtained the results of validation of E-Comic learning media based on Problem Based Learning (PBL). ) Regarding Problem Solving Ability has a validity level of 91.22% with very valid criteria, the practicality level of learning media is 89.60% with very practical criteria and the level of effectiveness of learning media is 93.10% with very effective criteria.

This study aims to analyze the STEAM approach based on Busy Book media in increasing learning effectiveness. We will explore the effect of using Busy Books on students' conceptual understanding, learning motivation, critical thinking skills, and problem solving abilities. In addition, we will also identify the advantages and limitations of this approach. In this study, we will use a qualitative research method with a literature study approach. Literature study, also known as literature review or literature review, is a systematic process of gathering, evaluating, and analyzing literature sources that are relevant to a particular research topic. A literature study is conducted to gain a comprehensive understanding of previous research, existing thoughts and findings, and knowledge gaps that still need to be filled.