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

2021 ◽  
Vol 9 (3) ◽  
pp. 244-255
Author(s):  
Nur Halimah ◽  
Rahmi Rahmi ◽  
Mulia Suryani
Keyword(s):  
Critical Thinking ◽  
Research Method ◽  
Thinking Skills ◽  
Qualitative Approach ◽  
Critical Thinking Skills ◽  
Test Results ◽  
Research Subjects ◽  
High Category ◽  
Descriptive Method ◽  
Low Ability

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.

scholarly journals ANALISIS KEMAMPUAN BERPIKIR KRITIS MATEMATIS (BKM) SISWA SMP PADA MATERI SEGIEMPAT DAN SEGITIGA

2018 ◽  
Vol 1 (5) ◽  
pp. 1015
Author(s):  
Regiana Khulsum ◽  
Yani Suryaningsih ◽  
Marchasan L. E. J. Riajanto
Keyword(s):  
Critical Thinking ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Research Subjects ◽  
Research Instrument ◽  
Critical Thinking Ability ◽  
Thinking Ability ◽  
Low Ability

This research is motivated by the importance of mathematic critical thinking ability for students and the low ability of students matematics critical thinking. The population in this study were all students of SMPN 2 Cimahi class VII, while the sample was students of class VII-7. Then through observation and interview determined 6 students as research subjects. The method used in this study is analytic descriptive. The research instrument is 5 essay questions that represent indicators of mathematic critical thinking ability. The results showed that the average achievement of students in each indicator was less than 50%, which means it can be concluded that students' critical thinking skills are still relatively low.

scholarly journals Analisis Kemampuan Berpikir Kritis Matematis: Dampak Model Pembelajaran Problem Based Instruction

2019 ◽  
Vol 2 (2) ◽  
pp. 189-195
Author(s):  
Suhita Suhita
Keyword(s):  
Critical Thinking ◽  
Sampling Technique ◽  
Thinking Skills ◽  
Learning Model ◽  
Critical Thinking Skills ◽  
Test Results ◽  
Research Subjects ◽  
Based Instruction ◽  
Academic Year ◽  
Cluster Random Sampling

This study aims to improve students' critical thinking skills through the application of Problem Based Instruction learning models. This research is a quasi experiment. The research subjects in this study were students of class VIIIA SMP Negeri 24 Bandar Lampung Academic Year 2017/2018 with a total of 32 students with a cluster random sampling technique. The required data is obtained through observation, documentation and tests using description questions. The collected data was analyzed by quantitative analysis techniques. The instruments used to collect data are tests of critical thinking skills. Data from the test results and observation sheets were analyzed quantitatively. The results showed that students 'critical thinking skills in the control class were 14.23% and included in the low category, while in the experimental class students' critical thinking abilities reached 87.5% or included in the high category. So, it can be said that the Problem Based Instruction learning model can improve students 'critical thinking skills, where students' critical thinking abilities increase from each cycle. So that the Problem Based Instruction learning model can be applied in learning both in mathematics and in other lessons.

scholarly journals Discovery learning model to optimize students’ critical thinking skills on hydrocarbon material

2021 ◽  
Vol 13 (3) ◽  
pp. 269-277
Author(s):  
Tesa Lonika Yuniawati ◽  
◽  
Friska Juliana Purba ◽  
Keyword(s):  
Critical Thinking ◽  
Research Method ◽  
Thinking Skills ◽  
Learning Model ◽  
Critical Thinking Skills ◽  
Discovery Learning ◽  
Learning Models ◽  
Research Subjects ◽  
The Core ◽  
Academic Year

Learning in 21st century requires an advance human mindset, especially critical thinking skills. Critical thinking skills improve the learning process to be more optimal in taking the core of the learning. However, data shows that the critical thinking skills of class XI IPA 2 students are still lacking because they have not been able to answer the analytical questions which is this is the important skills for the students. This paper aims to describe the use of discovery learning models to optimize students' critical thinking skills. The research method used is descriptive qualitative. The research subjects were 28 students of class XI IPA 2 in one of the senior high schools in Jakarta in the academic year 2021/2022 odd semester. Based on the study and data on each indicator, it was found that the use of discovery learning models was able to optimize students' critical thinking skills. Each step in the discovery learning model facilitates the achievement of indicators of critical thinking skills.

scholarly journals ANALISIS KEMAMPUAN BERPIKIR KRITIS DALAM MENYELESAIKAN MASALAH MATEMATIKA SISWA KELAS VIIIC SMP NEGERI 1 KALIBAWANG

2019 ◽  
Vol 6 (2) ◽  
pp. 1
Author(s):  
Andi Novantoro
Keyword(s):  
Critical Thinking ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Research Subjects ◽  
Student Work ◽  
High Category ◽  
Mathematics Problems ◽  
Flat Side ◽  
High Level ◽  
Academic Year

<p>This study aims to determine the level of critical thinking skills in solving mathematics problems students grade VIIIC SMP Negeri 1 Kalibawang Academic Year 2017/2018. Critical thinking was high level thinking, which tag by analyze and need additional explanation. Aspects of critical thinking were basic support, strategy, elementary clarification, advances clarification and make inference. This type of research is qualitative research. Subjects in this study are students of class VIIIC SMP Negeri 1 Kalibawang, consist of 26 students. Technique of collecting data are done by test and interview test. <br />Taking data using the instrument in the form of a description test that have 4 items. Results of student work are examined and grouped into 3 groups, which are high, middle and low groups. Furthermore, interviews are conducted on 6 students purposively, consisting of 2 students per group. Each subject is interviewed based on the student's work, then the interview data is transcript and triangulation is done to test the validity of the data. The result of the research indicates that the result of the analysis of the critical thinking ability in solving the problem of the material description and the volume of building the flat side space of beams and cubes are as follows: (1) building basic skills included in the high category with the percentage of 75,96 %, (2) determining strategy and tactics to solve problems including in medium category with percentage equal to 68,03%, (3) giving elementary clarification including in high category with percentage equal to 75,48% , (4) make advances clarification included in medium category with percentage equal to 68,75%, (5) make inference included in high category with percentage equal to 71,39%.</p>

scholarly journals The critical thinking dispositions of students around coffee plantation area in solving algebraic problems

2018 ◽  
Vol 7 (2.10) ◽  
pp. 18
Author(s):  
Kurniati Dian ◽  
Zayyadi Moh
Keyword(s):  
Critical Thinking ◽  
Junior High School ◽  
Video Recording ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Research Subjects ◽  
Coffee Plantation ◽  
Thinking Dispositions ◽  
Critical Thinking Dispositions ◽  
Thinking Disposition

The present study aimed at describing the dispositions of students around a coffee plantation in solving algebraic problems, especially those pertaining to fraction and comparison. Critical thinking disposition denotes the initial milestone to developing students’ critical thinking skills. The study investigated four components of critical thinking dispositions, comprising of truth-seeking, open-mindedness, self-confidence, and inquisitiveness. The subjects under investigation were 45 students at the second grade of a junior high school situated around Garahan coffee plantation in Jember district, East Java, Indonesia. The study covered several phases, inter alia, (1) describing problems on Algebra to the students, (2) recording any activities of the research subjects when doing tasks given, (3) analyzing the students’ answer sheets based on four components of critical thinking dispositions, (4) conducting method triangulation projected to confirm the preliminary findings on the students critical thinking dispositions, and (5) determining the students’ critical thinking dispositions based on the results of direct observation, video recording, and interview. The study gained several findings related to the students’ dispositions. First, the students’ tendency in truth-seeking was characterized by their analysis on the problems given on themes regarding coffee. This prevented them from making mistakes as they checked some information, be it known or unknown, as the bases for problem solving. However, not every student was aware of what was unknown about the problem or what was required to solve the problem. Second, their tendency in open-mindedness was evinced by the fact that they were assured of their answer as they related it to their experience in planting coffee. Nevertheless, some students tended to ask their parent when they had to determine the amount of diameter comparison between two logs to be connected. Third, they tended to be confident in solving problems given as they had experienced the activities described in the problem when they assisted their parents in planting coffee, but still some students had yet to be sure of their answers as they lacked the experience in planting coffee. Lastly, they tended to possess sound inquisitiveness concerning various issues pertinent to solving algebraic problems, especially themed on coffee. They acquired the inquisitiveness by observing the actual activity in their environment. Nonetheless, their inquisitiveness could not be generalized to algebraic lessons at school. 

scholarly journals The Analysis of Critical Thinking Skill of Version P21 in Solving the Problems of Two Dimensional Arithmetic Derived from the Implementation of Guided Discovery Learning

2018 ◽  
Vol 6 (01) ◽  
Author(s):  
Afif Alfa Robi ◽  
Hobri . ◽  
Dafik .
Keyword(s):  
Critical Thinking ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Two Dimensional ◽  
Guided Discovery ◽  
High Category ◽  
Thinking Ability ◽  
Level 3 ◽  
Level 2 ◽  
Very High

This study aims to analyze the critical thinking skills of P21 students in solving Arithmetic Two Dimensional problems through the application of Guided Discovery Learning. GDL is a learning process that occurs when students are not presented  with material in final form but learners are expected to organize their own material with guidance from educators if needed. Implementation of GDL in learning process is expected to improve students' thinking ability, especially critical thinking ability version P21. According to P21, in the 21st century, every individual is required to have 4C's skills in order to compete globally and one of 4C's skills is critical thinking. By having these skills, learners are expected to achieve success in life and work. The subjects of this study are discrete mathematics class students, as many as 64 students. Research steps are by providing initial knowledge of Two Dimensional Arithmetic materials through GDL method and Student Worksheet (LKM) then at the end of student learning work on Test Mastery of Teaching Materials (TPBA). The test results are then analyzed using the P21 critical thinking indicator that is reasoned effectively, using a system of thinking, making judgments and decisions. From the analysis result of Teaching Material Mastery Test obtained data about critical thinking level of students, in class A there are 25 students being in very high category (level 4), 10 students are in high category (level 3) and 9 students are in medium category (level 2). While in class C there are 22 students being in very high category (level 4), 4 students are in high category (level 3) and 4 students are in medium category (level 2). The study also produced a two dimensional arithmetic monograph. From the results of this study can be concluded that the application of GDL has a positive effect in developing students' critical thinking skills in solving two-dimensional arithmetic problems.

scholarly journals Development of Physics Edutainment Website to Improve Students’ Critical Thinking Skills During the Covid-19 Pandemic

2021 ◽  
Vol 14 (1) ◽  
pp. 11-22
Author(s):  
Sania Salsabila ◽  
Abd. Kholiq
Keyword(s):  
Critical Thinking ◽  
Research Method ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Development Research ◽  
Validity Data ◽  
Physics Learning ◽  
The World ◽  
The Media ◽  
Is Development

During the Covid-19 pandemic that swept the world including Indonesia, and to improve students' critical thinking skills, it is necessary to have supporting media in the learning process as an edutainment website. This study intends to determine the validity of the edutainment website developed in physics lessons to improve student's critical thinking skills. The research method used is development research with the DDD-E model. This research was only limited to media development, and no practicality and effectiveness tests were carried out. In this study, the validity data were obtained from the results of validation by expert and were analyzed by descriptive quantitative using the category of Likert scale percentage. If the percentage of each aspect is ≥ 61%, then the edutainment website developed can be declared valid. The results of this study are the percentage of validity in the learning aspect of 90.30%, the material aspect of 90.56%, the media aspect of 88.65%, and the critical thinking aspect of 84.70%. Based on this, it can be concluded that the edutainment website is very valid so that it can be used as a physics learning media to improve students' critical thinking skills. The edutainment website can be an alternative learning media by utilizing information technology and hopefully in further research, it can apply edutainment website and perform practicality and effectiveness tests for learning both in class and distance learning

scholarly journals Penerapan Model Pembelajaran Problem Based Learning untuk Mengukur Kemampuan Berpikir Kritis Mahasiswa Calon Guru pada Mata Kuliah Psikologi Pendidikan

2017 ◽  
Vol 5 (1) ◽  
pp. 1
Author(s):  
Uus Toharudin ◽  
Iwan Setia Kurniawan
Keyword(s):  
Critical Thinking ◽  
Prospective Teachers ◽  
Educational Psychology ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Average Score ◽  
Test Results ◽  
Group 2 ◽  
Experimental Group ◽  
Group 1

This study aims to determine the critical thinking skills of prospective teachers of biology at Pasundan University in the course of educational psychology. Implementation of Problem Based Learning learning model aims to measure students' critical thinking skills. The method used in this study is a quasi-experimental design with Randomized Control Group Posttest, data obtained based on the analysis, the data is described to obtain information or a description of the results of this research. The population in this study were 104 students, the sample in this study were 39 students for the experimental group-1 and 39 students for the experimental group-2. Data collected test data obtained from the test results of students who are given a score based on the indicators. results of research show that the critical thinking skills of prospective teachers of biology in educational psychology courses including category sufficient for the experimental group-1 and category well for the experimental group-2. The average score of the experimental group-1 amounted to 2.73, and the average score of the experimental group-2 by 3.05. Indicators of critical thinking skills at the highest indicator 3 (I-3) with an average of 3.38 for the experimental group-1 and 3.41 for the experimental group-2. Indicators of critical thinking skills are the lowest in two indicators (I-2) that is equal to 2.23 for the experimental group-1 and 2.74 for the experimental group-2. The average percentage of absorption problems in the experimental group-1 amounted to 51.25%, while the experimental group-2 amounted to 57.21%. The results of significance test p-value (0.008). Based on the significance of the test results can be concluded that the experimental group-2 has the critical thinking skills is better than the experimental group-1.

scholarly journals Analisis Kemampuan Berpikir Kritis dan Kebiasaan Membaca Untuk Bekal Menulis Karya Ilmiah

2020 ◽  
Author(s):  
SEPTIAN REFVINDA ARGIANDINI
Keyword(s):  
Critical Thinking ◽  
Research Method ◽  
Writing Skills ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Qualitative Description ◽  
Learning Activity ◽  
Major Influence ◽  
Reading Habits ◽  
Scientific Papers

ABSTRACTCritical thinking skills and writing habits must continue to be taught in each learning activity to maximize the abilities or competencies of students. This reading habit is also very necessary to add students' insights and knowledge before writing scientific papers. With these two components, it can be the first step towards making a good scientific paper. so the purpose of this study was to determine the direct effect of critical thinking skills and reading habits on student writing skills. The research method in this study is a qualitative description of the research method by providing an explanation in the form of a description based on data from various scientific references. With this method the researcher can explain in detail and be arranged how the influence of reading habits and the ability to think critically on the ability to write scientific works of students. Based on data and scientific references collected, analyzed, and studied, the following results were obtained: (1) students 'scientific scientific skills were positively influenced by the level of students' reading habits; (2) the ability to think critically has a direct positive effect on students' scientific writing skills. Thus, the better or higher the interest in reading students and their critical thinking skills, the better the ability to write scientific papers. From the results of this study it can also be seen that the habits of reading and the ability to think critically students are interconnected and have a major influence on the skills of writing scientific papers.Keywords: Reading Habits, Thinking, Critical, Scientific Work,ABSTRAKKemampuan berfikir kfritis dan kebiasaan menulis harus terus diajarkan pada setiap kegiatan pembelajaran untuk memaksimalkan kemampuan atau kompetensi yang dimiliki mahasiwa. Kebiasan memabaca ini juga sangat diperlukan untuk menambah wawasan dan pengetahuan mahasaiwa sebelum menulis karya ilmiah. Dengan kedua komponen ini, dapat menjadi langakah awal untuk membuat karya tulis ilmiah yang bagus. sehingga tujuan penelitian ini untuk mengetahui pengaruh langsung kemampuan berpikir kritis dan kebiasaan membaca terhadap keterampilan menulis mahasiswa. Metode penelitian dalam penelitian ini adalah deskripsi kualitatif yaitu metode riset dengan memberikan penjelasan berupa deskripsi berdasarkan data dari berbagai referensi ilmiah. Dengan metode ini peneliti dapat menjelaskan secara rinci dan tersusun bagaimana pengaruh kebiasaan membaca dan kemampuan berfikir kritis terhadap kemampuan menulis karya ilmiah mahasaiswa. Berdasarkan data dan referensi ilmiah yang dikumpulkan, dianalisis, dan dikaji, didapatkan hasil sebagai berikut: (1) keterampilan me¬nu¬lis ilmiah mahasiswa secara positif dipengaruhi tingkat kebiasaan membaca mahasiswa; (2) kemampuan ber¬pikir kritis berpengaruh positif lang¬sung terhadap keterampilan menulis il¬mi¬ah mahasiswa. Dengan demikian, semakin baik atau semakin tinggi minat baca mahasiswa dan kemampuan berpikir kritisnya, maka semakin baik pula kemampuan menulis karya tulis ilmiahnya. Dari hasil penelitian ini juga dapat diketahui bahwa kebiasan membaca dan kemamouan berfikir kritis mahasiswa saling berhubungan dan berpengaruh besar terhadap keterampilan menulis karya ilmiah. Kata Kunci: Kebiasaan Membaca, Berfikir, Kritis, Karya Ilmiah,

scholarly journals The Effectiveness of STEM-Based PjBL on Student’s Critical Thinking Skills and Collaborative Attitude

2021 ◽  
Vol 12 (1) ◽  
pp. 219-228
Author(s):  
Vera Rosalina Bulu ◽  
Femberianus Tanggur
Keyword(s):  
Critical Thinking ◽  
Quantitative Research ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Homogeneity Test ◽  
Test Results ◽  
Stem Learning ◽  
Learning Models ◽  
Normality Test ◽  
Support Students

PjBL and STEM learning models can overcome the lack of critical thinking skills and collaboration. Those learning models involve 4C that support students’ critical thinking skills and collaboration. This study aimed to identify the effectiveness of STEM-based PJBL models on students’ critical thinking skills and collaborative attitudes. This study was quantitative research with a descriptive method. The data had been collected using a critical thinking skills test, collaborative attitude questionnaires, and learning observation guidelines. Before performing data analysis, the researchers performed prerequisite tests consisting of the normality test, homogeneity test, variance-covariance matrix homogeneity test, N-Gain test, and effectiveness test. The basic assumption test results showed that the MANOVA test could be performed. The MANOVA test results revealed that the STEM-based PjBL learning model effectively improved students' critical thinking skills and collaborative attitudes.

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