scholarly journals PENINGKATAN KEMAMPUAN BERPIKIR KRITIS MAHASISWA MELALUI METODE PENEMUAN TERBIMBING BERBANTUAN SOFTWARE GEOGEBRA PADA MATA KULIAH KALKULUS PEUBAH BANYAK DI FKIP UMSU

2019 ◽  
Vol 4 (2) ◽  
pp. 152-159
Author(s):  
Ismail Hanif Batubara
Keyword(s):  
Critical Thinking ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Study Program ◽  
Guided Discovery ◽  
Critical Thinking Ability ◽  
Thinking Ability ◽  
Education Study ◽  
Quasi Experimental ◽  
Discovery Method

Abstract. The purpose of this study was to find out: (1) Is the increase in mathematical critical thinking abilities of students given the guided discovery method assisted by Geogebra software higher than students who were given guided discovery method learning without Geogebra software, (2) Are their interactions between learning with students 'initial mathematical abilities towards improving students' critical thinking skills. This research is a quasi-experimental study. The population of this study is that all classes in the fourth-semester mathematics education study program are approximately 120 people. Randomly, two classes were chosen from four classes. The experimental class was treated with Geogebra assisted guided discovery methods and the control class was treated with a guided discovery method without the help of Geogebra. Data analysis was performed by analysis of two-way variance (ANAVA). The results showed (1) Improvement of mathematical critical thinking skills of groups of students who obtained guided discovery method learning using GeoGebra software was higher than the group of students who received learning through guided discovery methods without GeoGebra software. (2) There is no interaction between the learning model and the initial ability of students in improving students' critical thinking skills in mathematics.Keywords: Critical Thinking Ability, Guided Discovery Method, Geogebra

scholarly journals Efektivitas Model Pembelajaran 3CM (Cool-Critical-Creative-Meaningfull) terhadap Kemampuan Berpikir Kritis Siswa SMP

2021 ◽  
Vol 10 (2) ◽  
pp. 213-224
Author(s):  
Titania Mega Rizti ◽  
Erlina Prihatnani
Keyword(s):  
Critical Thinking ◽  
Thinking Skills ◽  
Learning Model ◽  
Critical Thinking Skills ◽  
Control Group ◽  
Critical Thinking Ability ◽  
Thinking Ability ◽  
Quasi Experimental ◽  
Study Population ◽  
Randomized Control

AbstrakPembelajaran matematika diharapkan dapat mengasah kemampuan berpikir kritis, meskipun pembelajaran secara daring. Penelitian bertujuan menerapkan salah satu model pembelajaran yang menekankan pada aspek berpikir kritis yaitu model 3CM (Cool-Critical-Creative-Meaningfull) pada materi bangun ruang sisi datar dan menganalisis dampaknya terhadap kemampuan berpikir kritis siswa. Populasi penelitian adalah seluruh siswa SMPN di Salatiga, sampelnya 82 siswa dari SMPN 1 Salatiga dan SMPN 6 Salatiga yang dibagi menjadi kelompok eksperimen 1 dan 2. Desain penelitian eksperimen semu ini adalah randomized control grup pretest-postest design. Instrumen tes berbentuk 7 soal uraian, terdiri dari pretest dan posttest dengan rubrik penilaian berdasarkan aspek Focus, Reason, Inference, Situation, Clarity, and Overview. Uji hipotesis menunjukkan penerapan model pembelajaran 3CM dengan dua jenis kegiatan creative yang berbeda yaitu berbasis project dan berbasis problems posing menghasilkan kemampuan berpikir kritis yang sama. Penerapan 3CM dimungkinkan untuk menggunakan dua jenis kegiatan tersebut dalam melakukan aspek creative guna mengasah kemampuan berpikir kritis siswa.  The Effectiveness of The 3 CM (Cool-Critical-Creative-Meaningful) Learning Model on The Critical Thinking Ability of SMP StudentsAbstractMathematics learning is expected to hone thinking skills, although learning must be done boldly. This study aims to apply a learning model that emphasizes the critical thinking aspect, namely the 3CM (Cool-Critical-Creative-Meaningful) model on the flat-sided building material, and analyze its impact on students' critical thinking skills. The study population was all students of SMPN in Salatiga, the sample was 82 students from SMPN 1 Salatiga and SMPN 6 Salatiga who were divided into experimental 1 and 2 groups. This quasi-experimental research design was a randomized control group pretest-posttest design. The test instrument is in the form of a description of 7 questions consisting of a pretest and posttest with a rubric based on aspects Focus, Reason, Inference, Situation, Clarity, and Overview. Hypothesis testing that the application of the 3CM learning model with different types of Creative (based on project and problems posing) activities results in the same critical thinking skills.

scholarly journals Developing Learning Tools Guided Discovery Models Assisted PhET Simulations For Trainning Critical Thinking Skills High School Students

2019 ◽  
Vol 6 (4) ◽  
pp. 390
Author(s):  
U H Thohari ◽  
Madlazim Madlazim ◽  
Y S Rahayu
Keyword(s):  
High School ◽  
High School Students ◽  
Critical Thinking ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Learning Tools ◽  
School Students ◽  
Guided Discovery ◽  
Critical Thinking Ability ◽  
Thinking Ability

This research is aimed to develop learning device of Guided Discovery model with PhET simulation to trill students critical thinking skill. This research uses 4D development model and tested on 15 students of class XII IPA with test design using one group pretest-posttest design. Learning tools developed include: (a) syllabus (b) RPP, (c) student books, (d) LKS, and (e) tests students' critical thinking skills. Research data obtained through validation method, observation, test, and questionnaire. The results are analyzed descriptively quantitative and qualitative. The students' critical thinking ability is analyzed by n-gain. The result of the research shows that (a) learning device developed categorized is very valid, (b) learning activity is done very well, (c) critical thinking ability of students have moderate improvement, and (d) students respond very positively to learning which has been implemented. Based on the results of the analysis and discussion, it was concluded that the learning device of Guided Discovery with PhET simulation model developed is feasible to be used for trained critical thinking skills of high school students.

scholarly journals PENGARUH PENDEKATAN PROBLEM POSING DAN CTL TERHADAP KEMAMPUAN BERPIKIR KRITIS DALAM PEMBELAJARAN MATEMATIKA BAGI SISWA SMA

2018 ◽  
Vol 5 (2) ◽  
pp. 49
Author(s):  
Widha Nur Shanti ◽  
Dyahsih Alin Sholihah ◽  
Ahmad Anis Abdullah
Keyword(s):  
Critical Thinking ◽  
Teaching And Learning ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Problem Posing ◽  
Control Group ◽  
Control Group Design ◽  
Critical Thinking Ability ◽  
Thinking Ability ◽  
Quasi Experimental

This study aims to determine the effect of the Problem Posing approach and the Contextual Teaching and Learning (CTL) approach to critical thinking skills. This study is a quasi-experimental study with randomize design pretest-posttest control group design. The population of this study were all class X students of SMA Negeri 1 Sentolo consisting of six classes. From the population, two classes were randomly sampled as the research sample, namely class X MIA 3 and class X MIA 1. In class X MIA 3 students applied learning using the Problem Posing approach and class X MIA 1 students used the CTL approach. The instrument used to collect data is a test of critical thinking skills. To examine the effect of the Problem Posing approach and the CTL approach on critical thinking ability data were analyzed using the t test. The results showed that there were differences in the ability to think critically between classes with learning using the Problem Posing approach and the classroom with learning using the CTL approach, with the average students 'critical thinking skills in the class with the Problem Posing approach higher than the students' critical thinking skills. in the class with the CTL approach.

scholarly journals Pengaruh Model Penemuan Terbimbing Berbantuan WEB Terhadap Keterampilan Berpikir Kritis Matematis Siswa Kelas X

2021 ◽  
Vol 1 (4) ◽  
pp. 641-647
Author(s):  
Lalu Irfan Abdul Manaf ◽  
Nyoman Sridana ◽  
Arjudin Arjudin ◽  
Sripatmi Sripatmi
Keyword(s):  
Critical Thinking ◽  
Thinking Skills ◽  
Learning Model ◽  
Critical Thinking Skills ◽  
Discovery Learning ◽  
Guided Discovery ◽  
Critical Thinking Ability ◽  
Thinking Ability ◽  
And Control ◽  
Academic Year

The background of this research is, there is no learning model that can optimally support critical thinking skills, so it takes an innovative learning model. In this case, the researchers used web helped to guide discovery learning model to improve the critical thinking skills of the student in class X SMAN 4 Praya in academic year 2019/2020. This study aimed to find an effect of web assisted guided discovery learning on trigonometry material to critical thinking ability of the student in class X SMAN 4 Praya in academic year 2019/2020. This study use a quantitative research approach to the type of experimental research. In this experiment the researchers used a quasi-experimental, and uses two classes as a research, the experimental class and control class. The population of this research is all the student in class X SMAN 4 Praya and and choose two class as a sample class that is X MIPA 5 as a experimental class and X MIPA 3 as control class. Student in experimental class used web assisted guided discovery learning model and in control class used guided discovery without web assisted. The result of the research showed that the average of critical thinking ability in the experimental class is better than control class which is in the experimental class is in the less effective category and control class in ineffective category.

scholarly journals Improving Student’s Critical Thinking Ability Through Guided Discovery Learning Methods Assisted by Geogebra

2019 ◽  
Vol 1 (2) ◽  
Author(s):  
Ismail Hanif Batubara
Keyword(s):  
Critical Thinking ◽  
Discovery Learning ◽  
Learning Methods ◽  
Mathematical Learning ◽  
Guided Discovery ◽  
Math Ability ◽  
Critical Thinking Ability ◽  
Thinking Ability ◽  
Quasi Experimental ◽  
Discovery Method

This research is aimed to know: (1) Whether the increasing student’s critical thinking ability through guided discovery learning methods assisted by geogebra higher than the students who were given guided discovery methods without geogebra, (2) How the interaction between learning and early math  ability of student mathematical learning result. This study was a quasi-experimental study. The population of this study was the entire class of six semester mathematics education which approximately 184 people. Randomly, two classes were selected from six classes.  The first experimental class was given a geogebra assisted discovery method and the second experimental class was given a guided discovery method without  geogebra . The instrument used was a description test. The data analysis has been done by analysis of two-way variance (ANOVA). The results showed (1) the increasing student’s critical thinking ability through guided discovery learning methods assisted by geogebra were better than the students who were given guided discovery learning methods without geogebra. (2) There was no Interaction between learning and early math ability of student mathematical learning results.

scholarly journals The Effect of Cooperative Learning and Thinking Ability toward Writing Skill of Exposition Paragraph

2020 ◽  
Vol 3 (2) ◽  
pp. 22-31
Author(s):  
Etik Etik ◽  
Ninuk Lustyantie ◽  
Emzir Emzir
Keyword(s):  
Critical Thinking ◽  
Cooperative Learning ◽  
Sampling Technique ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Research Approach ◽  
Study Program ◽  
Significance Level ◽  
Critical Thinking Ability ◽  
Thinking Ability

The purpose of this study is to investigate the effect of Numbered Head Together (NHT) type and Cooperative Script (CS) type of cooperative learning (creative and critical thinking ability) toward the skill of writing exposition paragraph to the second-semester students of Indonesian Language and Literature Education Study Program, University of Cokroaminoto. This study employed the quantitative research approach of the experimental method with a 2x2 factorial design. The test results of the exposition paragraph writing and the thinking ability were analyzed by using a two-way ANOVA design with 0.05 of the significance level. The sample of this study used the multi-stage random sampling technique for 68 students. The result of this research found that students could have high scores in writing exposition paragraphs if teachers employed the cooperative learning model of NHT type so that they could possess the critical thinking ability. The students who had high critical thinking skills got better scores in writing. Conversely, the students who had low critical thinking skills got lower scores in writing.

scholarly journals Students’ critical thinking ability in analyzing descriptive paragraph

2021 ◽  
Vol 7 (3) ◽  
pp. 462
Author(s):  
Patahuddin Patahuddin ◽  
Syawal Syawal ◽  
Amri Amri
Keyword(s):  
Critical Thinking ◽  
English Language ◽  
Language Education ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Study Program ◽  
Critical Thinking Ability ◽  
Interview Guide ◽  
Thinking Ability ◽  
The University

Learning that is oriented to the development of critical thinking skills is one of the main priorities of an educator in their learning activities. This study aims to analyze students' critical thinking skills in analyzing a descriptive paragraph. This study uses a descriptive method with a quantitative approach. This research will be carried out during the odd semester of the academic year 2021/2022. The subjects of this study were all 1st-semester students in the English language education study program FKIP UMPAR which consisted of 18 students. The research instruments are observation and interview which involves the descriptive paragraphs observation and the interview guide sheet. Data analysis using descriptive statistical analysis. Referring to the data gained in the study, the researcher found that the critical thinking ability of students to analyze a descriptive paragraph was still very low. It was discovered that students' critical thinking skills in analyzing descriptive paragraphs were in a low category, students achieving a score below the minimum graduation standard set by the university. The data is also reinforced by the results of interviews which show that students are not accustomed to doing English paragraph analysis.

scholarly journals Deskripsi Kemampuan Berpikir Kritis Siswa SMA melalui Model Pembelajaran CLIS (Children Learning In Science) Berbantuan LKS pada Materi Elastisitas dan Hukum Hooke

2018 ◽  
Vol 9 (1) ◽  
pp. 21
Author(s):  
Metta Kisti Dewi Renjani ◽  
Susilawati Susilawati ◽  
Nur Khoiri
Keyword(s):  
Critical Thinking ◽  
Sampling Technique ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Control Group ◽  
Control Group Design ◽  
Critical Thinking Ability ◽  
Thinking Ability ◽  
Quasi Experimental ◽  
And Control

The aims of this study is to determine the improvement of students' critical thinking skills based on the application of CLIS method (Children Learning In Science) LKS assisted on elasticity and Hooke Law in SMA Negeri 1 Jakenan Pati. This research was conducted at SMA N 1 Jakenan Pati dated October 13 until October 24, 2017. This research used Quasi Experimental design in the form of pretest-posttest control group design. Population in this research is all class XI IPA in SMA Negeri 1 Jakenan Pati, while sample of research used consist of two classes taken by cluster random sampling technique so that obtained class XI IPA 8 which amounted to 40 students as experiment class using  CLIS method (Children Learning In Science) assisted by LKS, and XI IPA 7, amounting to 40 students as control class using Direct Instruction learning model. Based on the result of the research obtained the mean of pretest experimental class is 55,2 and control class 49,45, while value of experimental class postest 79,1 and control class 68,7. The hypothesis testing shows that with t test s2 polled variance magnitude thitung = 19.5 and ttabel = 1.66. This indicates thitung > ttabel, so Ho is rejected which means there is increasing in the effectiveness of CLIS learning method (Children Learning In Science) assisted by LKS on students' critical thinking ability.

scholarly journals The Effectiveness of The Guided Discovery Learning (GDL) Method Using a Contextual Approach Reviewed from Mathematical Critical Thinking Ability of Senior High School in Muna District

2019 ◽  
Vol 7 (1) ◽  
pp. 22
Author(s):  
Imaludin Agus ◽  
Fitriani Fitriani
Keyword(s):  
High School ◽  
Critical Thinking ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Discovery Learning ◽  
Contextual Approach ◽  
Learning Method ◽  
Guided Discovery ◽  
Critical Thinking Ability ◽  
Thinking Ability

Abstrak Penelitian ini bertujuan untuk menguji efektivitas metode pembelajaran penemuan terbimbing menggunakan pendekatan kontekstual dalam hal keterampilan berpikir kritis siswa SMP. Jenis penelitian yang digunakan adalah eksperimen semu. Populasi dalam penelitian ini adalah semua siswa kelas VIII Sekolah Menengah Atas di Kecamatan Kontukowuna, Kabupaten Muna, Sulawesi Tenggara pada tahun 2016/2017. Pengumpulan data diperoleh melalui penyediaan empat item pertanyaan instrumen tes keterampilan berpikir kritis, di mana setiap pertanyaan mewakili indikator kemampuan berpikir kritis dan lembar observasi pelaksanaan pembelajaran. Hasil penelitian dianalisis menggunakan uji t satu sampel. Temuan menunjukkan bahwa nilai uji t 2,719> (t_0,05,27) = 2,0518, yang dapat disimpulkan bahwa metode pembelajaran penemuan terbimbing efektif dalam hal kemampuan berpikir kritis siswa SMP. Hasil ini didukung oleh peningkatan rata-rata pretest 27,66 ke posttest 76,00 yang lebih tinggi dari kriteria penguasaan mengajar minimum (KKM) dari 70. Abstract This study aimed to test the effectiveness of guided discovery learning method using a contextual approach in terms of students' critical thinking skills of SMP. Type of research used was quasi experiment. Population in this research was all VIII grader students of Senior High School in sub-district Kontukowuna, Muna districts, Southeast Sulawesi in 2016/2017. Data collection was obtained through the provision of four items of question of critical thinking skills test instrumen, where each question represents an indicator of critical thinking ability and observation sheet of learning implementation. Research result was analyzed using one sample t test. The findings showed that t test value 2,719> (t_0.05,27) = 2.0518, which can be concluded that the guided discovery learning method was effective in terms of the critical thinking ability of junior high school students. This result was supported by the increase of average of pretest 27.66 to posttest 76.00 which was higher than the minimum teaching mastery criteria (KKM) of 70.

CONCEPT-BASED LEARNING DAN KEMAMPUAN BERFIKIR KRITIS MATEMATIS

2020 ◽  
Vol 2 (1) ◽  
Author(s):  
Maifalinda Fatra ◽  
A Rizki ◽  
Tita Khalis Maryati
Keyword(s):  
Critical Thinking ◽  
Mathematics Learning ◽  
Sampling Technique ◽  
Thinking Skills ◽  
Learning Model ◽  
Critical Thinking Skills ◽  
Control Group ◽  
Simple Explanation ◽  
Critical Thinking Ability ◽  
Thinking Ability

Mathematical Critical thinking is one of  mathematical abilities that must be obtained by students. Critical thinking is one of the high order thinking processes that can make concepts in student knowledge.  Students with critical thinking in mathematics learning mostly do rational activities such as interpreting information based on a particular theoretical framework, linking theory with practice, making claims and justifying it, utilizing data in support of argumentation, making relations or relationships between various ideas, asking questions, evaluating knowledge, predict, describe something, analyze, synthesize, and categorize. This study aims to analyze the effect of the Concept-Based Learning Model on the critical thingking mathematical abilities.The purpose of this research is to analyze the effect of Concept-Based Learning Model toward mathematics critical thinking ability. The method used in this research is quasi experiment by Randomize Control Group Post Test Only Design with cluster random sampling technique. Indicators of mathematics critical thinking skills measured in this study include providing simple explanations, building basic skills, concluding, making more explanations, and deciding an action. The results showed that the mathematics critical thinking ability of students in the experimental class for the five indicators that being analyze was higher than the ability of students in the control class. A fairly high difference in the indicator showed in give a simple explanation and concluding. and it means that the application of Concept-Based Learning Model significantly influences the  abilities  of students' mathematics critical thinking.

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