scholarly journals PENGARUH MODEL PEMBELAJARAN INVESTIGASI KELOMPOK BERBANTUAN LKPD TERHADAP KEMAMPUAN BERPIKIR KRITIS MATEMATIKA SISWA KELAS VIII SMP NEGERI 2 SAWAN

2019 ◽  
Vol 8 (2) ◽  
pp. 60-67
Author(s):  
K. L Krisnahari ◽  
G.R. I. W. P Astawa ◽  
I. N Gita
Keyword(s):  
Critical Thinking ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Control Group ◽  
Cluster Sampling ◽  
Test Results ◽  
Significance Level ◽  
Class Viii ◽  
Academic Year ◽  
Better Than

AbstrakPenelitian ini bertujuan untuk mengetahui pengaruh model investigasi kelompok berbantuan LKPD terhadap kemampuan berpikir kritis matematika siswa kelas VIII SMP Negeri 2 Sawan. Jenis penelitian ini adalah penelitian eksperimen semu. Populasi dalam penelitian ini adalah seluruh siswa kelas VIII SMP Negeri 2 Sawan tahun ajaran 2018/2019. Sampel penelitian ditentukan dengan teknik sampel rumpun  dan didapatkan 2 kelas sampel, yaitu kelas VIIIA sebagai kelas eksperimen dan kelas VIIIB sebagai kelas kontrol. Instrumen penelitian berupa tes kemampuan berpikir kritis berupa empat butir soal uraian. Data hasil tes kemampuan berpikir kritis matematika dianalisis menggunakan uji-t satu ekor dengan taraf siginifikansi 5%. Hasil penelitian  menunjukkan bahwa sehingga  ditolak. Ini berarti, kemampuan berpikir kritis matematika siswa yang dibelajarkan dengan model pembelajaran investigasi kelompok berbantuan LKPD lebih baik daripada kemampuan berpikir kritis matematika siswa yang dibelajarkan dengan  pembelajaran konvensional. Dengan demikian, dapat disimpulkan bahwa terdapat pengaruh model pembelajaran investigasi kelompok berbantuan LKPD terhadap kemampuan berpikir kritis matematika siswa. Kata kunci: Investigasi kelompok, LKPD, kemampuan berpikir kritis AbstractThis study aims to determine the effect of the LKPD-assisted group investigation model on mathematical critical thinking skills of students at SMPN 2 Sawan. The type of this study was a quasi-experiment. The population of this study is all students of class VIII SMPN 2 Sawan in the academic year 2018/2019. The samples were determined by cluster sampling and acquired 2 sample class, grade VIIIA  as experimental group and grade VIIIB as control group. The research instrument consisted of a critical thinking skills test in the form of four item  description.  Data from the test results of mathematical critical thinking ability were analyzed using one-tailed t-test with a significance level of 5%. The result showed that the was rejected. This means that mathematical critical thinking abilitifes who are taught by group investigation model supported by LKPD are better than students mathematica critical thinking abilitifes taught by conventional learning, so it can be conclude that there is an effect of group investigation learning model supported by LKPD to students mathematical critical thinking abilities.Keywords: Group investigation model, LKPD, mathematical critical thinking skill 

scholarly journals Efektifitas Pengembangan Buku Ajar Berbasis Nilai-Nilai Karakter Multikultural Terhadap Keterampilan Berpikir Kritis Siswa

2021 ◽  
Vol 11 (1) ◽  
pp. 54-62
Author(s):  
Sony Ari Wibowo ◽  
Murtono ◽  
Santoso ◽  
Sri Utaminingsih
Keyword(s):  
Critical Thinking ◽  
Elementary Schools ◽  
Analysis Data ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Control Group ◽  
Test Results ◽  
Significance Level ◽  
Fourth Grade Students ◽  
Experimental Group

This study aims to describe the effectiveness of multicultural-based learning to improve students' critical thinking skills in elementary schools. This is a Research and Development (R & D), with the steps of potential problems analysis, data collection, product design, design validation, design revisions, product trials, and product revisions. This research was conducted in grade IV in SD 1 Tritis and SD 1 Karangnongko, combined as the experimental group, while SD 1 Daren and SD 3 Nalumsari as a control group, all in Nalumsari District, Jepara Regency. The results showed the t-test results found that t arithmetic> T table is 8.994> 1699, the value data were analyzed with a significance level of 0.05. So, as the basis for decision making, it can be concluded that Ho was rejected and Ha was accepted. Thus, it can be concluded that multicultural-based learning is effective in improving the critical thinking skills of fourth grade students of elementary schools.

scholarly journals Implementation Cooperative Learning Type STAD Assisted Edmodo in Improving Students' Critical Thinking Skills

2020 ◽  
Vol 3 (1) ◽  
pp. 30
Author(s):  
Muhamad Epi Rusdin ◽  
Widodo Widodo ◽  
Guntur Maruto
Keyword(s):  
Critical Thinking ◽  
Cooperative Learning ◽  
Thinking Skills ◽  
Learning Model ◽  
Critical Thinking Skills ◽  
Control Group ◽  
Control Group Design ◽  
Group Design ◽  
Class Viii ◽  
Learning At Home

The STAD cooperative learning model can support active, independent and responsible learning for students. The application of this model is expected to improve students' critical thinking skills. The purpose of this study was to determine the improvement of students' critical thinking skills using Edmodo-assisted learning models. Edmodo was modified to become a teacher tool to expand learning at home. This research is an experimental study using a pretest-posttest control group design involving 39 students of class VIII MTs At-Taqwa Beru, Sikka, East Nusa Tenggara. Based on the results of the study it was found that the Edmodo-assisted STAD type cooperative learning model can improve students' critical thinking skills.

scholarly journals Kemampuan Berpikir Kritis dan Metakognisi Siswa dalam Menyelesaikan Masalah Matematika melalui Pendekatan Problem Solving

2017 ◽  
Vol 6 (2) ◽  
pp. 234 ◽  
Author(s):  
Muhammad Ikhsan ◽  
Said Munzir ◽  
Lia Fitria
Keyword(s):  
Critical Thinking ◽  
Problem Solving ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Control Group ◽  
Control Group Design ◽  
Critical Thinking Ability ◽  
Group Design ◽  
Thinking Ability ◽  
Better Than

The aims of this study are to determine the improvement of critical thinking skills mathematical and metacognition of students who are taught with problem solving approach and the correlation between mathematical critical thinking and metacognition of students. This research is an experimental research with pretest-posttest control group design. The sample this research is the students of class VIII_2 and VIII_3 in SMP Negeri 1 Banda Aceh. Collecting data technique are test and nontest. Data were analyzed using t-test and correlation test. The result of the research shows 1) the critical thinking ability of the students who get the learning through problem solving approach is better than the students who get the conventional learning, 2) Metacognition of students who get the learning by using problem solving approach is better than the students who get the conventional learning, 3) a positive and significant relationship between students' metacognition and critical thinking skills.

scholarly journals The Use of Pocket Mobile Learning to Improve Critical Thinking Skills in Physics Learning

2018 ◽  
Vol 6 (4) ◽  
pp. 80
Author(s):  
Irnin Agustina Dwi Astuti ◽  
Dasmo Dasmo ◽  
Nurullaeli Nurullaeli
Keyword(s):  
Critical Thinking ◽  
Mobile Learning ◽  
Thinking Skills ◽  
Research Data ◽  
Critical Thinking Skills ◽  
Control Group ◽  
Physics Learning ◽  
Significance Level ◽  
Post Test ◽  
Independent Variable

The aims of the research concerned here were to the influence of using pocket mobile learning on improvement in students critical thinking skills. Pocket mobile learning is a learning media using mobile devices. This research is the quasy experiment using post test only for control group design.The independent variable is learning media in which the control group applied powerpoint, while the trearment group applied mobile pocket learning. The  research  data  were  analyzed  by  means  of  ANOVA  with  the  significance  level  of  5%.  Based on analysis and research results can be concluded that pocket mobile learning media of specifically physics material about dynamics of motion could improve students critical thinking skills.

scholarly journals Learning Model Jurisprudential Inquiry to Improve Critical Thinking of MTs N 1 Situbondo Students

2020 ◽  
Vol 1 (8) ◽  
pp. 115
Author(s):  
Lailatul Badriyah ◽  
Warsono Warsono ◽  
Ali Haidar
Keyword(s):  
Critical Thinking ◽  
Hypothesis Test ◽  
Inquiry Learning ◽  
Thinking Skills ◽  
Learning Model ◽  
Critical Thinking Skills ◽  
Control Group ◽  
Control Group Design ◽  
Significance Level ◽  
Alternative Solutions

The Jurisprudential Inquiry learning model is a learning model in its application facilitating learners to be sensitive to social problems, take a position on the problem, and maintain that position / attitude with relevant and valid arguments so as to improve students' critical thinking skills. Critical thinking in this research refers to five indicators, namely the ability to form conclusions, formulate questions, uncover problems, formulate alternative solutions. The purpose of this study was to determine the effect of Jurisprudential Inquiry learning model on critical thinking skills of MTs N 1 Situbondo students. This study uses experimental research design with the form of Quasi-Experimental Design with the type of pretest posttest control group design. The sample in this study was class VIII G numbering 22 students and VIII H a number of 24 students with purposive sampling sampling technique. The technique of collecting data uses test questions with the description form. The data analysis technique in this study is to use the independent sample t-test. The results of this study indicate that there is a significant influence on the use of the Jurisprudential Inquiry learning model on students' critical thinking with indicators formulating conclusions, formulating questions, expressing problems and providing alternative solutions. The results of the hypothesis test show tcount 3.362 and ttable with a significance level (5%) 0.05, degree of freedom (db) = (n-2) then obtained t(0.05) (44) table = 2.015. The results of tcount>ttable,which shows the results of 3.362> 2.015. As for the significance level of 5% (0.05) has a significance value α> 0.05, i.e. (2-tailed) 0.694> 0.05., it can be concluded that thelearning model is Jurisprudential Inquiry more influential than themodel Problem Solving on the critical thinking ability of students on the material emergence of national organizations and the growing spirit of nationalism.

scholarly journals Implementasi LKPD Berbasis STEM untuk Meningkatkan Keterampilan Berpikir Kritis Peserta Didik

2021 ◽  
Vol 9 (4) ◽  
pp. 555-564
Author(s):  
Safiratul Fithri ◽  
Andi Ulfa Tenri Pada* ◽  
Wiwit Artika ◽  
Cut Nurmaliah ◽  
Hasanuddin Hasanuddin
Keyword(s):  
Critical Thinking ◽  
Learning Process ◽  
Thinking Skills ◽  
T Test ◽  
Critical Thinking Skills ◽  
Excretory System ◽  
Control Group ◽  
Multiple Choice Questions ◽  
Purposive Sampling ◽  
Class Viii

The learning process only focuses on the material by memorizing concepts, students have not utilized worksheets to do practical work optimally, so the biology learning process in schools does not encourage students to practice critical thinking skills. This study aimed to determine the effect of implementing STEM-based student worksheets in improving students' critical thinking skills at SMP Negeri 1 Peusangan, Bireuen Regency. This study used a pretest-posttest control group design. The study population was 88 VIII grade students of SMP Negeri 1 Peusangan. The research sample consisted of 67 students. The sample is determined through the purposive sampling technique. The researcher determines the class of the research sample using purposive sampling. The taking of the experimental class and the control class is determined by looking at the standard deviation of the results of the homogeneous pretest of students (the ability of homogeneous students). Critical thinking skills are measured by multiple-choice questions with reason. It is used to determine the increase and difference in the critical thinking skills of students. Analysis of N-Gain test data, paired sample t-test, and independent sample t-test. The results showed that the implementation of STEM-based LKPD could improve students' critical thinking skills on excretory system material in class VIII of SMP Negeri 1 Peusangan. In addition, there are differences in the KBK of students between the experimental class and the control class on the excretory system concept in class VIII of SMP Negeri 1 Peusangan.

PENGEMBANGAN MEDIA PEMBELAJARAN LKS BERBENTUK CROSSWORD PUZZLE PADA TEMA SISTEM PENCERNAAN UNTUK MENINGKATKAN BERPIKIR KRITIS SISWA

2019 ◽  
Vol 2 ◽  
Author(s):  
Nelly Nirwanasari
Keyword(s):  
Critical Thinking ◽  
Data Processing ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Control Group ◽  
Control Group Design ◽  
Crossword Puzzle ◽  
Class 1 ◽  
Quasi Experimental ◽  
Class Viii

Abstract. Innovation in learning media is needed to improve critical thinking skills. The media used are learning media Student Worksheets (LKS) in the form of puzzles to improve students' skills. The research method used in this study is the research and development method (R and D) in it, including the use of descriptive models. The implementation of the R & D method is divided into three steps, namely preliminary study, development and testing. For the population is class VIII at SMPN 2 Kota Tangerang Selatan. The sample used for the trial was limited to class VIII and extensive trials in class VIII A as control class 1 and VIII B as experimental class 2 with Quasi Experimental Design in the form of Matching Pretest-Postest Control Group Design. The results of data processing using SPSS Version 23, Anatest v.24 and Mc. Office Excel 2007. Based on the results of data processing, it was concluded that the development of Learning Media Student Worksheets (LKS) in the form of puzzles can be used by teachers as a tool to improve students' critical thinking skills. Keywords: Student Worksheets (LKS), Puzzles, improve critical thinking skills

scholarly journals Effects of Copper Model in Blended Service Learning for the Enhancement of Undergraduate Academic Achievements and Critical Thinking

TEM Journal ◽  
2020 ◽  
pp. 814-819
Author(s):  
Suphamart Phakakat ◽  
Thanongsak Sovajassatakul
Keyword(s):  
Critical Thinking ◽  
Service Learning ◽  
Lesson Plan ◽  
Measurement Data ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Control Group ◽  
Significance Level ◽  
Academic Achievements ◽  
And Control

This study is aimed at comparing academic achievements and critical thinking skills between the groups undertaking blended service learning and typical learning. A cluster random sampling was employed to sample 62 students. The experimental and control groups respectively comprised 30 and 32 of them. The instruments were 1) a Copper Model lesson plan, 2) online instructional media on Computer and Information Technology, 3) a critical thinking measurement, and 4) an academic achievement measurement. Data were analyzed using mean (𝒙􀴥), standard deviation (SD), and one-way MANOVA. Results concluded that the experimental group with blended service learning achieved higher academic achievements and critical thinking skills than the control group at the .05 significance level.

scholarly journals Pengaruh model PBT terhadap kemampuan berpikir kritis dan kemampuan berpikir kreatif siswa SMAN 2 Magelang

2016 ◽  
Vol 2 (1) ◽  
pp. 58 ◽  
Author(s):  
Marike Muskitta ◽  
Djukri Djukri
Keyword(s):  
Critical Thinking ◽  
Creative Thinking ◽  
Alternative Hypothesis ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Control Group ◽  
Teaching Model ◽  
Significance Level ◽  
Quasi Experimental ◽  
Critical And Creative Thinking

Penelitian ini bertujuan untuk mengetahui pengaruh model pembelajaran berdasarkan masalah terhadap kemampuan berpikir kritis dan pengaruh model pembelajaran berdasarkan masalah terhadap kemampuan berpikir kreatif siswa pada materi pencemaran lingkungan. Penelitian ini dilaksanakan di SMA Negeri 2 Magelang. Metode penelitian yang digunakan adalah kuasi eksperimen dengan desain nonrandomized control group pretest-posttest. Analisis data menggunakan uji t. Hasil perhitungan perbedaan rata-rata posttest pada kedua kelompok untuk kemampuan berpikir kritis menunjukkan nilai hitung sebesar 2,45 dan ttabel dengan signifikasi 0,05% dengan dk 62 = 2,00 sedangkan untuk kemampuan berpikir kreatif menunjukkan nilai hitung sebesar 3,43 dan ttabel dengan signifikansi 0,05% dengan dk 62 = 2,00. Hasil perhitungan tersebut menunjukkan bahwa thitung > ttabel. Hal ini berarti hipotesis alternatif (Ha) diterima dan hipotesis nol (H0) ditolak. Dengan demikian, terdapat pengaruh penggunaan model pembelajaran berdasarkan masalah terhadap kemampuan berpikir kritis dan terdapat pengaruh model Pembelajaran Berdasarkan Masalah terhadap kemampuan berpikir kreatif siswa pada konsep pencemaran lingkungan.Kata Kunci: penggunaan model pembelajaran berdasarkan masalah, kemampuan berpikir kritis dan kemampuan berpikir kreatif. The Effect of the Problem-Based Teaching Model on the Critical Thinking Skills and Creative Thinking Skills of the Students of SMA AbstractThis study aimed to determine the effect of the use of problem-based teaching model on the critical thinking skills and effect of the use of problem-based teaching model on the creative thinking skills of students on environmental pollution materials. The research was conducted at SMAN 2 Magelang. The research method used was a quasi-experimental design with nonrandomized control group pretest-posttest. The data analysis used the t test. The result of the calculation of the posttest average of the difference between the two groups for critical thinking skills shows the calculated value of 2.45 and ttable with the significance level of 0.05% with 62 df = 2.00, while for the ability to think creatively the calculated value of 3.43 shows the ttable with the significance level of 0.05% with 62 df = 2.00. This shows that t > ttable. This means that the alternative hypothesis (Ha) is accepted and null hypothesis (H0) is rejected. Thus, there is an effect of the use of problem-based teaching model on the critical and creative thinking skills of the students on the concept of environmental pollution.Keywords: use of problem-based teaching model, critical and creative thinking skills.

scholarly journals MODEL PEMBELAJARAN BERBASIS MULTIMEDIA INTERAKTIF (MMI) UNTUK MENINGKATKAN PENGUASAAN KONSEP DAN KETERAMPILAN BERPIKIR KRITIS SISWA PADA MATERI OPTIK

2013 ◽  
Vol 1 (2) ◽  
pp. 86 ◽  
Author(s):  
R. Rahmatiah ◽  
Gunawan Gunawan ◽  
Sutrio Sutrio
Keyword(s):  
Critical Thinking ◽  
Optical Materials ◽  
Interactive Multimedia ◽  
Thinking Skills ◽  
Learning Model ◽  
Critical Thinking Skills ◽  
Control Group ◽  
Cluster Sampling ◽  
Material Research ◽  
Control Group Design

This study is an experimental study that aims to determine the increasing of concept mastery and the students critical thinking skills in Optical materials using Interactive Multimedia (MMI) based learning model. Optical materials in this study is limited to the Geometry Optics material. Research design using pre-test - post-test control group design. The population in this study were all students of class X SMA Negeri 2 Mataram Academic Year 2012/2013. Sampling using random cluster sampling, the students of class X-1 as the experimental group and the students of class X-3 as a control group. The increasing data of concepts mastery and critical thinking skills of students were analyzed using t-test formula two parties polled variance and N-gain test. At the significant level of 5% and dk of 79 obtained that ttest is more than ttable (5.198> 1.993). It is obtained for the experimental class N-gain of 71.338% with a high category, whereas for the control class derived N-gain of 60.261% with moderate category. Thus, it can be concluded that the increasing mastery of concepts and critical thinking skills of students in the material Optics, Optics Geometry in this case, in experiments class using the Interactive Multimedia-based learning model (MMI) is higher than in the control class that uses a conventional learning models. 

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