scholarly journals PENINGKATAN KEMAMPUAN BERFIKIR KRITIS MATEMATIS SISWA MELALUI MODEL PEMBELAJARAN BERBASIS MASALAH

Author(s):  
Taufik Rahman

The ability analyzed in this study is the ability to think critically mathematically. This ability is considered very important as written is the goal of mathematics learning from the Ministry of National Education which states that the development of critical thinking skills is the focus of learning and becomes one of the graduation standards of high school students. It is desirable, high school graduates, have the ability to think logically, analytically, systematically, critically, and creatively, and have the ability to work together. This study aims to determine the improvement of mathematical critical mathematical thinking skills of students in one of the Vocational Schools in Bandung between those who obtain problem-based learning with those who obtain conventional learning. The sample in this study was one Vocational School in Bandung, which was selected by 2 classes, namely the first class obtained problem-based learning and the second class received conventional learning. The method in this study is a quasi experiment. The instrument in this study was a test instrument in the form of a description and consisted of 6 questions. The results of this study are improved mathematical critical thinking skills of students who get problem-based learning better than students who get conventional learning

2017 ◽  
Vol 3 (2) ◽  
Author(s):  
Siti Annijat Maimunah

<p><em>The legislation System of national education No. 20 Year 2003 about education standards consist of standard content, processes, the competence of graduates, educational personnel, infrastructure, management, financing and assessment of education.</em></p><p><em>Standards of competence and standard of graduates, Graduates in Vocational secondary schools are expected to have the ability to build Standard and competence of graduates of the creative, and innovatively in decision making. The reality of the situation of vocational high school graduates do not meet the standard of competence of Graduates, because the existence of limited practical tools so that the experiment also rarely do. </em></p><p><em>The purpose of the study is to describe the practicality, and the effectiveness of the implementation of the model of learning ability-oriented design and conduct experiments to practice critical thinking skills of students of SMK.</em></p><p><em>As for the approach of this study is a descriptive qualitative. Based on the results of the implementation of the developed learning the real device, it can be concluded that the ability of the design-oriented learning and experimentation to train creative and critical thinking skills a valid, practical, effective, and can enhance critical thinking skills and creative as well as achieving perfection results of student learning. Positive student response after follow learning by applying the learning ability-oriented device design and perform experiments to practice critical thinking skills and creative students.</em></p><p><em> </em></p><p><strong><em>Key words:</em></strong><em> quality improvement of the standard of competence of graduates of vocational high school Students, the ability of Designing and performing experiments, Thinking Skills</em></p>


EDUSAINS ◽  
2018 ◽  
Vol 10 (2) ◽  
pp. 226-234
Author(s):  
I Wayan Karmana ◽  
Taufik Samsuri

KERANGKA KONSEPTUAL MODEL CONCEPTUAL PROBLEM BASED LEARNING UNTUK MELATIHKAN KEMAMPUAN BERPIKIR KRITIS SISWA SEKOLAH MENENGAHAbstractLearning to facilitate critical thinking requires a set of specific learning models that aims to trains critical thinking skills that in this study is the development of conceptual problem based learning model. This study aims to develop a conceptual problem-based learning model to facilitate high school students’ critical thinking skills. This study is a development research that will produce a model of learning products, namely a valid Conceptual Problem Based Learning Model to facilitate high school students’ critical thinking skills. Validation of CPBL learning model includes two components namely content validity and construct validity. The result of data analysis shows that the CPBL model can be declared valid with reliability percentage of 97% (reliable) based on syntax model assessment that is: 1) prior knowledge; 2) organize; 3) investigate; 4) analyze; 5) evaluate; to facilitate critical thinking skills.AbstrakPembelajaran untuk melatihkan berpikir kritis memerlukan satu set model pembelajaran yang spesifik melatihkan kemampuan berpikir kritis yang dalam penelitian ini pengembangan model conceptual problem based learning. Penelitian ini bertujuan untuk mengembangkan model conceptual problem based learning untuk melatihkan kemampuan berpikir kritis siswa sekolah menengah. Penelitian ini merupakan penelitian pengembangan yang akan menghasilkan produk model pembelajaran, yaitu Model Conceptual Problem Based Learning yang valid untuk melatihkan kemampuan berpikir kritis siswa sekolah menengah. Validasi model pembelajaran CPBL meliputi dua komponen yaitu validitas isi (content validity) dan validitas konstruk (construct validity). Hasil analisis data menunjukkan bahwa model CPBL dapat dinyatakan valid dengan persentase reliabilitas sebesar 97% (reliabel) berdasarkan penilaian sintaks model yaitu: 1) prior knowledge; 2) organize; 3) investigate; 4) analyze; 5) evaluate; untuk melatihkan kemampuan berpikir kritis siswa sekolah menengah.


2020 ◽  
Vol 6 (1) ◽  
Author(s):  
I Wayan Karmana ◽  
Iwan Dody Dharmawibawa ◽  
Titi Laily Hajiriah

The purpose of this research is to explain the effect of Problem Based Learning (PBL) and academic potential and their interactions toward problem solving and critical thinking skills of high school students. This research is a quasi-experiment that implements two different strategies with pretest-posttest non equivalent control group design by treatment factorial 2x2 which was conducted in the 2018/2019 academic year. Population of this research was class X students of SMA Negeri 8 Mataram, while the research sample was class X students of 2 classes with a purposive sampling technique. Research instruments is test of problem solving skills and test of critical thinking skills. Data analysis was performed with descriptive analysis and to test the hypothesis an anacova test was followed by further test used of Least Significant Difference (LSD). The calculation is aided by the SPSS 14 for Windows program. The results of this research showed that Problem Based Learning affects the problem solving and critical thinking skills. While academic ability (potential) and interaction of learning strategies with academic potential do not affect the problem solving and critical thinking skills of high school students on enviromental topic.


2021 ◽  
Vol 7 (4) ◽  
pp. 617-624
Author(s):  
Nabila Rahmadita ◽  
Husni Mubarok ◽  
Binar Kurnia Prahani

This study discusses the implementation of problem-based learning (PBL) assisted by physics education technology (PhET) as a virtual laboratory to improve the critical thinking skills of high school students on dynamic electrical materials. The purposes of this research were to obtain the profile of students' critical thinking skills and the implementation of PBL assisted by PhET in senior high schools. This research method was a preliminary study with a qualitative descriptive analysis, written tests, student response questionnaires, and teacher interviews. The finding of students' critical thinking skills was categorized into three levels (low, moderate, and high). There are seventeen students in the low category, fifty-three students in the moderate category, and thirty students in the high category. The conclusion of this study revealed that students' critical thinking skills at the senior public school Surabaya were in the moderate category, and training questions were needed to improve students' critical thinking skills


2019 ◽  
Vol 5 (1) ◽  
pp. 16
Author(s):  
Susilawani Susilawani ◽  
Aris Doyan ◽  
Syahrial Ayub

This study aims:1) To determine the differences in generic science skills of high school students in the problem-based learning model and guided inquiry, 2) To determine the differences in generic science skills of students who have high critical thinking skills are better than generic science skills students who have low critical thinking skills, 3) To find out the interaction between learning models with the ability to think critically about the generic skills of science of high school students. The type of research used in this study was an experiment. Sampling in this study was carried out by cluster random sampling divided into two classes, namely the first experimental class applied to problem-based learning models and the second experimental class using guided inquiry learning. From the results of this study it can be concluded that the generic science skills of students who use the guided inquiry learning model are better than the problem-based learning model, generic science skills students with high critical thinking skills are better than generic science skills students with low critical thinking skills, and there is no interaction between problem-based learning models and guided inquiry with the ability to think critically towards generic science skills of high school students.


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