Critical Thinking Skills Of Class Research Articles

Improving the critical thinking ability of class 5 students in science learning using the project based learning model

This research is motivated by the problem of low critical thinking skills of class V students at SDN Wahir in science learning. Science learning encourages students to think at a higher level, analyze, design and create a product/work. Therefore it takes high-level thinking skills to achieve good science learning. This study aims to describe the Project Based Learning (PJBL) model that is implemented to overcome the problem of students' low critical thinking skills. This research is a qualitative research using classroom action research methods. Data were collected by observation, interviews, documentation and data acquisition were analyzed descriptively qualitatively. Researchers analyzed the data by means of data reduction, data presentation, and drawing conclusions and verification. This research was conducted in two cycles while the percentage of the first cycle was based on the implementation of learning with the results of students' critical thinking skills of 62.50% achieving the target of success indicators for critical thinking skills, and 68.75% of students' learning outcomes reaching the target exceeding the KKM. In cycle II there was an increase in students' critical thinking skills of 81.25% reaching the target with learning outcomes of 87.50% reaching the target above the KKM. The data shows that students' critical thinking skills in science learning have increased through the application of the Project Based Learning (PJBL) model.

Improving critical thinking skills through discovery learning models assisted animation video on digestive system material

This research is quantitative research to determine the effect of using the Discovery Learning model to assist animation video on the critical thinking skills of students grade XI on the digestive system. The research method used is Quasi Experiment with a Non-equivalent Control Group Design and used purposive sampling. The research instruments used were multiple choice (pretest and post-test). Observation sheets, and students' questionnaire responses. Data on critical thinking skills outcomes were analysed using an independent sample t-test in the SPSS version 26.0 program. The result showed that the use of Discovery Learning models assisted animation video increased student critical thinking skills with a gain value of 41.43 and n gain of 0.64 in the medium category. The result of the hypothesis test shows the value of Sig. (2-tailed) 0.000 < 0.05 which means H0 is rejected and Ha is accepted. This shows that the Discovery Learning models to assist animation videos have a significant effect on student critical thinking skills of class XI of SHS 1 Lahat in the human digestive system. The implementation of learning has an excellent category, while student responses have an excellent and good category.

THE EFFECT OF ADOBE PREMIERE PRO APPLICATION BASED ON PROJECT BASED LEARNING TO CRITICAL THINKING SKILLS OF CLASS XI STUDENTS OF THE VISUAL COMMUNICATION DESIGN MAJORING AT SMK NEGERI 1 KOTA SERANG

One of the ideal demands of the 2013 curriculum is the use of technology as a learning application to improve students critical thinking skills. And one of them is the Adobe Premiere Pro application based on Project Based Learning to students critical thinking skills at SMK Negeri 1 Kota Serang. This study aims to determine the effect of the Adobe Premiere Pro application based on Project Based Learning to critical thinking skills of class XI students of the Visual Communication Design Majoring at SMK Negeri 1 Kota Serang. This study uses a quantitative research method, namely as a research method used to examine certain samples, documentation, and data instruments in the form of questionnaires. This research includes the type of experimental research, namely to process research in more detail about a problem, research that explains what is happening in the field in the form of numbers and is supported by quantitative data. The sampling technique in this study was random sampling. The population in this study were 78 students with a total sample of 40 students. Data collection techniques in this study were questionnaires, observation sheets and documentation. The results of this study can be concluded that the Adobe Premiere Pro application variable based on Project Based Learning contributes 52.4% to changes in students' critical thinking ability variables. Based on the results of the t test, the average value was ????calculate>????????????????le (6.469 > 1.686), and the significance value was 0.05 (5%), thus ???????? was rejected and ????1 was accepted. This proves that there is an influence of the Adobe Premiere Pro application based on Project Based Learning on the critical thinking skills of class XI students majoring in Visual Communication Design at SMK Negeri 1 Kota Serang.

PENINGKATAN HASIL BERFIKIR KRITIS SISWA MATERI SISTEM PENCERNAAN MAKANAN MENGGUNAKAN MEDIA VIDIO PEMBELAJARAN PADA KELAS XI IPA SMA NEGERI 09 MATARAM

The purpose of this study was to determine increasing critical thinking skills of class XI MIA 1 SMA Negeri 9 Mataram students on digestive system material using learning video media. The research method used is Classroom Action Research (PTK) which generally consists of two cycles. Each cycle has the same stage that is planning, action, observation, and reflection. This research is related to food digestive system material and was carried out in class XI MIA 1 SMA Negeri 9 Mataram with a total of 30 students.. The data collection techniques used were observation sheets, documentation and critical thinking instruments. The research results showed that the percentage of students who met the standards in cycle II was 100%. The improvement in the results of students' critical thinking abilities in the human food digestive system material has been completed with a completion percentage of 100% so it is proven that learning video media can improve students' critical thinking abilities and influence learning outcomes.

DEVELOPMENT OF ARCS-BASED LEARNING TOOLS CONTAINING HOTS QUESTIONS TO IMPROVE THE CRITICAL THINKING ABILITY OF CLASS VIII SMP/MTS STUDENTS

The literature study and preliminary analysis conducted showed that students' critical thinking skills were still low. This study aims to determine the characteristics of Attention, Relevance, Confidence, Satisfaction (ARCS)-based learning tools that contain valid, practical, and effective HOTS questions to improve the critical thinking skills of class VIII students of SMP N 6 Padang Panjang. This research is a development research using the Plomp model. The learning tools developed are in the form of Learning Implementation Plans (RPP) and Student Activity Sheets (LKPD). The research subjects were students of class VIII SMP N 6 Padang Panjang. Data was collected through documentation, observation, interviews, questionnaires, and tests of critical thinking skills. RPP Validity Score: 3.28 and LKPD: 3.21 with a valid category. Practicality of RPP: 92.08% and LKPD: 87.35% with very practical category. The effectiveness of learning tools based on testing the average critical thinking skills of the experimental class was 81.93, control class was 76.63. Based on statistical tests, a significance value of 0.048 <0.05 was obtained, and based on the list of t distribution tables with (𝑑𝑓)=60 and a=0.05, 1.671. Because t_count= 2.108>1.671=t_(table) then H0 is rejected and accepts H1. Based on the test results, it can be concluded that the ARCS-based learning tools contain HOTS questions that meet valid, practical, and effective criteria to improve students' mathematical thinking skills.

Efektivitas Model Pembelajaran Project Based Learning Berbantuan Mind Map terhadap Keterampilan Berpikir Kritis dalam Pembelajaran Ekonomi pada Siswa Kelas X di SMAS Dharma Kirti Sengkidu

The low critical thinking skills of students encourage the need for solutions to control the problem. The recommended solution to this problem is the use of learning model project-based learning help mind map in economics studies. The purpose of this research is to know the use of the model project-based learning help mind map and its effectiveness in improving critical thinking skills in class X students at SMAS Dharma Kirti Sengkidu. This research is classified as experimental research by design nonequivalent control grup design. The population in this research is 49 students with a sample of class X E.A totaling 24 students as a control class using the expository model and class X E.B totaling 25 students as an experimental class using a model project-based learning help mind map. The sampling technique uses saturated sampling technique. This research was measured using multiple choice test instruments and observation sheets. Research results are interpreted from independent sample t-test, normalized gain test, and analysis of the observation sheet. The results of this research are: (1) there are differences in critical thinking skills with the experimental and control classes, (2) the percentage of student activity shows that students are more active with the experimental class than the control class, (3) the percentage of normalized gain scores with the experimental class is higher than the control class. Based on these results so that the model project-based learning help mind map effective in improving students critical thinking skills.

Analysis of Completeness and Contextual Aspects of LKPD Physics Based on PBL Vector to Improve Critical Thinking Skills

LKPD is a printed media or teaching material containing guide actors that can be used by students to develop their abilities.LKPD is one of the media to create a better learning atmosphere. LKPD was developed based on the PBL (ProblemBased Learning) model which is a learning approach to challenge students to think critically and acquire real-world problem-solving skills. This study was to analyze the completeness and contextual aspects of vector material PBL-based physics worksheets. This research uses the method of Research and Development (R&D).This development research is used to produce certain products and test the effectiveness of these products. The steps in the LKPD development stage include an assessment by development test experts, evaluation, and responses from experts and students. Based on the validation results obtained from the first validator and the second validator, it can be seen that the completeness and contextual aspects of PBL-based Physics Worksheets in vector material obtain an average value of 3 and 4 indicating that the results obtained are good. In addition, the contextual aspects of LKPD are able to improve high-level critical thinking skills in class X high school students because the material presented is related to everyday life. Overall, PBL-based physics worksheets on this vector material were deemed fit to be used as an effective physics learning medium.

Efektivitas Pembelajaran Fisika Berbantu Google Classroom sebagai Learning Management System (LMS) untuk Meningkatkan Keterampilan Berpikir Kritis Siswa Kelas XI SMA Negeri 1 Karangrayung

This study aims to determine the effectiveness of learning physics assisted by Google Classroom as a Learning Management System (LMS) to improve critical thinking skills of class XI students of SMA Negeri 1 Karangrayung. This research is an experimental study with a Quasi Experimental Design, in the form of Non Equivalent Control Group Design. The population in this study were students of class XI IPA SMA Negeri 1 Karangrayung as many as 180 students. The sample used in this study were 2 classes totaling 72 students who were determined using the Cluster Random Sampling technique. The instrument used is a test instrument that has been adapted to indicators of critical thinking skills. Before the test instrument is used in research, the instrument has been validated and is suitable for use. The results of data analysis showed that there was an increase in students' critical thinking skills in the experimental class compared to the control class. This is evidenced by the average value of the experimental class 83.36 which is classified as very high, while the control class is 66.14 which is classified as moderate. In the right side t-test analysis, the results of > are 10.606 > 1.147 and P < 0.05, then is rejected and is accepted. This means that Google Classroom-assisted learning as a LMS is effective for improving critical thinking skills of class XI students of SMA Negeri 1 Karangrayung.Keywords: Critical Thinking Skill, Google Classroom, Learning Management System (LMS)

The Effect of Problem Based Learning Model on Mathematical Critical Thinking Ability of Students of Class X SMA Negeri 2 Pematangsiantar

The purpose of this study was to determine the effect of using the Problem Based Learning learning model on the mathematical critical thinking skills of class X SMA Negeri 2 Pematangsiantar. The research design used a posttest only control group design. The population in this study were all students in class X SMA Negeri 2 Pematangsiantar T.A 2022/2023, and the sample in this study was all students in class X MIPA 5 SMA Negeri 2 Pematangsiantar T.A 2022/2023 totaling 36 students. The instruments used in this study were validity, reliability, difficulty level of the test items and the discriminating power of the test items. The data obtained was then analyzed using data analysis techniques to obtain an average value of the Problem Based Learning learning model 38.44 and an average mathematical critical thinking ability of 36.94. The results of the hypothesis test after obtaining tcount = 6.551 and ttable = 2.032 and the contribution of Problem Based Learning to students' mathematical critical thinking skills is 0.5580 (55.8%). Based on this description, it was concluded that the use of the Problem Based Learning learning model had an influence on students' mathematical critical thinking skills in learning the system of three-variable linear equations in class X SMA Negeri 2 Pematangsiantar

Blended-problem based learning with integrated social media-based learning media in improving students' critical thinking skills

SMAN 1 Tasikmalaya organizes education and learning that leads to 21st Century skills. One of the 21st Century skills developed is students' critical thinking skills. The critical thinking skills of class XI MIPA 1 student in the 2021/2022 Academic Year, especially in learning biology based on the results of interviews with biology subject teachers, still need to be improved, this is confirmed by the results of the students' critical thinking skills test with an average of 49.85 with the category still underdeveloped. The purpose of the study was to determine the role of Blended-Problem Based Learning with integrated social media-based learning media in improving critical thinking skills of class XI MIPA 1 student. This research was a Classroom Action Research based on Lesson Study. Data on critical thinking skills were obtained using a critical thinking test with essay type questions. Data on students' critical thinking skills test results were analyzed descriptively qualitatively by referring to the Illinois Critical Thinking Essay Test. The results showed that the critical thinking test results for students in cycle I and cycle II had increased by 9.83%, which means that the critical thinking skills of class XI MIPA 1 student in the 2021/2022 Academic Year had developed well in learning biology using Blended-Problem Based Learning with integrated social media-based learning media.

Biology learning model to improve critical thinking skills of ten grade students: A meta-analysis

Critical thinking skill is one of the higher-order thinking skills which has to be mastered by students. However, many studies showed that students' critical thinking skills are still relatively low. So, it is necessary to carry out learning activities that can increase critical thinking skills, one of that is through the application of learning models. The purpose of this study was to find out the types of biology learning model that can improve the critical thinking skills of class X students, the biology learning model that was most recommended to improve the biological critical thinking skills of class X students in terms of effect size value, and biology learning model that was most recommended to improve students' critical thinking skills in each material content of class X in terms of the effect size value. The type of research used was quantitative research with the research method used in the form of meta-analysis. The results of the study revealed that there were 17 types of learning models that were proven to be able to improve the biological critical thinking skills of class X students. The guided discovery learning model based on e-learning was proven to have the highest effect size value of 1,07. The learning model which was recommended to improve the critical thinking skills based on material includes: problem-based learning for biodiversity material, think pair share (TPS) cooperative model for environmental pollution material, problem-based learning combined with student facilitator and explaining for fungi, and guided discovery and e-learning based learning for ecosystem materials.

MATHEMATICS CRITICAL THINKING ABILITY MATERIALS SOCIAL ARRITHMATIC CLASS VII ASSISTED VIDEO ANIMATION IN THE ERA OF COVID-19

This study aims to determine students' mathematical critical thinking skills after the implementation of learning using PMRI and LSLC on social Arithmetic material with the help of animated videos in class VII. This type of research is descriptive. The subjects of this study were students of SMP Negeri 1 Palembang class VII.1, totaling 32 students. The data collection technique used is the provision of test questions which amount to 2 questions in the form of descriptions, observations, and interviews. After doing the research, it was found that the mathematical critical thinking skills of class VII.1 students on social Arithmetic material, the subject of sales, purchases, profits, losses, and percentages had appeared a lot. However, some students still did not show indicators of their mathematical critical thinking abilities. The indicators that seem the most are the analytical indicators, while the indicators that appear the least are the interpretation indicators.

Validity of Mathematical Critical Thinking Ability Asessment Instruments

This study aims to produce an instrument for assessing mathematical critical thinking skills on material derived from algebraic functions that have been tested for validity. The form of research carried out is research and development and the development model used is a 4-D model (Define, Design, Develop, Disseminate). The research location is at SMAN 1 Tembilahan Hulu in the even semester of the 2021/2022 academic year. The object of research is an instrument for assessing mathematical critical thinking skills in class XI class derivatives of algebraic functions. The data collection instrument used an instrument validation sheet. Data analysis shows that the results of the validation of the mathematical critical thinking ability assessment instrument obtained an average value of the Aiken index of 0.811 with a very valid category and content validity with an average of 0.723 with a valid category. In terms of discriminating power, there are 2 questions with poor discriminating power and 6 questions that can be used to measure the level of students' mathematical critical thinking skills. So, it can be concluded that the development of an instrument for assessing mathematical critical thinking skills is to produce an instrument that has been tested for validity.

Analisis Keterampilan Berpikir Kritis dan Komunikasi Siswa pada Mata Pelajaran Biologi

Critical thinking and communication skills are skills that must be possessed by students. Critical thinking and communication skills of students are very important to measure, so that teachers can later apply appropriate learning strategies for students. The purpose of the study was to determine the critical thinking and communication skills of class XI students at SMA Negeri 2 Payakumbuh. This type of research is descriptive research. The sample in this study was 74 students of class XI MIPA SMA Negeri 2 Payakumbuh which consisted of eight classes. The sampling technique was simple random sampling. The instrument used is a questieon in the form of a vallid essay. Data analysis technique using Microsoft Excel. Based on the research, it is known that the criticical thinking skills of class XI students are still in low qualifications with an average of 56,09% and communication skills are in good qualifications with an average of 66,65%. These result are expected to provide information about critical thinking and communication skills so that teacher can apply appropriate learning strategies and models in developing students’ critical thinking and communication skills.

Effect of Online Learning On Mathematical Critical Thinking Skills of Grade VIII Junior High School Students

This research aims to find out whether or not online learning affects the mathematical critical thinking skills of class VIII. The method used in this study is Pre-Experimental Designs with a quantitative approach, this research design uses a one-group pretest-posttest design. The subject of this study is a class VIII student at Madinatul Ulum Jombang Junior High School in the 2021/2022 school year. The instruments used in this study are tests and non-test. The data collection techniques in this research are test and Questionnaire test, and data analysis using t-test with the help of SPSS application version 16 for windows. The results of online learning on ­mathematical critical thinking skills obtained a ­ ­significance value of < 0.05, namely a­ test significance value of 0.003 < 0.05 and a Questionnaire significance value of 0.000 < 0.05. This shows that there is an influence of online learning on the mathematical critical thinking skills of grade VIII students.

Mathematical Critical Thinking Ability in Solving Mathematical Problems

This study aims to determine the mathematical critical thinking skills of class XII IPA 1 students at SMAN 5 Sidrap in solving mathematical problems in arithmetic sequences and series. The type of research used is descriptive research with a qualitative approach. In this study, there were 3 subjects, namely students with high, medium and low mathematical abilities. The instruments used in data collection were observation sheets, written tests and interview guidelines. The results showed that: (1) Students who met the Critical Thinking Level (CTL) 3 or critically were students who had high mathematical abilities. At this critical thinking level, students are able to formulate the main points of the problem, are able to reveal existing facts, are able to determine the theorems used and detect bias, Students are able to work on questions according to the initial plan, able to express their arguments clearly, able to re-examine answers and draw conclusions. (2) Students who meet CTL 2 or are quite critical are students who have moderate mathematical abilities. At this critical thinking level, students are able to formulate the main points of the problem, uncover existing facts, are able to determine the theorem used, are able to detect bias, are able to work on problems according to the initial plan, are able to express their arguments clearly, are less able to re-examine answers and draw a conclusion. (3) Students who meet CTL 0 or are not critical are students who have low mathematical abilities. At this critical thinking level, students have not been able to fulfill all indicators such as not being able to formulate the main points of the problem.

Guided Discovery Learning Berbasis Indigenous Knowledge untuk Melatih Keterampilan Berpikir Kritis Siswa

Critical thinking skills are high-level thinking skills that must be developed in schools. These skills need to be trained through the use of learning models that bring students closer to real experiences in the surrounding environment, so that students become more active and able to think critically, one of which is applying the indigenous knowledge-based GDL model. This study aims to train students' critical thinking skills through the application of the indigenous knowledge-based GDL model. The subjects of this study were 108 students consisting of class XI IPA 4, XI IPA 5, and XI IPA 6 SMA Negeri 5 Samarinda for the academic year 2020/2021 which were selected using a purposive sampling technique. This research is classified as quantitative research with a pre-experimental research design type one-group pretest-posttest design. The critical thinking skills test instrument was 5 essay questions composed of 5 indicators. The results of the analysis of critical thinking skills show that the average critical thinking skills of class XI science students at SMAN 5 Samarinda were in the medium category with an n-gain of 0.53; the mean effect size of 5.17 belongs to the large category; statistical test results (? = 5%) which showed a significant increase in critical thinking skills after the application of the indigenous knowledge-based GDL model. Based on this, it can be said that the indigenous knowledge-based GDL model is effectively used to train students' critical thinking skills.

ANALISIS KEMAMPUAN BERPIKIR KRITIS MATEMATIS SISWA PADA MATERI ARITMATIKA SOSIAL BERDASARKAN PERBEDAAN GENDER

This research begins with the results of interviews and observations which show that the value of students' mathematical critical thinking skills in class VII SMP Negeri 1 Sungai Lala is still low and there are differences between female students and male students in the process of solving the exercises given by the teacher. The purpose of this study was to determine whether there is a difference between critical thinking skills based on gender differences. This type of research is descriptive qualitative research. The subjects in this study were four students consisting of two female students and two male students, in which the four students were selected based on their critical thinking ability scores. The research instruments were questionnaire sheets and test questions. The data obtained will be analyzed by means of data reduction, data presentation, and data verification. Based on the results of the study showed that the results of the questionnaire percentage of critical thinking skills for female students were higher than for male students. The percentage results obtained were 50.77% for female students and 49.23% for male students. The completion of critical thinking ability test questions between female students and male students has differences. Female students have been able to master the five indicators of critical thinking skills in solving test questions, while for male students there are two indicators of critical thinking abilities that they have not yet mastered. In terms of conclusion, that female students have excellent critical thinking skills while male students have good critical thinking skills.

Application of Problem Based Learning Model to Mathematical Thinking Ability

This research is a pre-experimental research that aims to determine differences in the mathematical critical thinking skills of class VIII students of MTs Hj. Haniah before and after the application of the problem based learning model. The design of this research is quantitative research with one group pretest-posttest design, the population in this study were students of class VIII MTs Hj. Haniah with samples taken randomly or simple random sampling, namely class VIII A with a total of 21 students. The data were collected using a test of students' mathematical critical thinking skills and an observation sheet on the implementation of the learning model that has been validated by the expert. The research data were analyzed descriptively and inferential with the normality test as the prerequisite test for analysis and paired sample t-test as the hypothesis test. The results of data analysis showed that the mean pre-test was 51.9 while the post-test mean was 74.14. Based on the paired sample t-test, the significant value was 0.000<α= 0.025 . The results of this study indicate that there are differences in the mathematical critical thinking skills of class VIII students of MTs Hj. Haniah between before and after the problem-based learning model is applied to the material pattern and object navigation

ANALISIS KEMAMPUAN BERPIKIR KRITIS MATEMATIS SISWA KELAS XI IPA 3 SMAN 1 LEMBAH MELINTANG

This research was motivated by the low ability of students to think mathematically critical thinking in solving problems. The research objective was to describe the students' mathematical critical thinking skills in class XI IPA 3. The research method used was descriptive method with a qualitative approach. The research subjects were students of SMAN 1 Lembah Melintang class XI IPA 3. The instruments used to collect data were written tests, interviews, and documentation. The test results were analyzed based on the aspect of mathematical critical thinking skills. The results showed that mathematical critical thinking skills with high category abilities can work on critical thinking test questions properly and correctly. Furthermore, the moderate ability is not able to do critical thinking test questions well, while the low category has not been able to do critical thinking test questions properly in accordance with the aspects of mathematical critical thinking skills.