scholarly journals Keefektifan Model Discovery Learning dengan Brainstorming terhadap Kemampuan Berpikir Kritis Peserta Didik

2019 ◽  
Vol 4 (5) ◽  
pp. 593
Author(s):  
Nurhasanah Nurhasanah ◽  
Djukri Djukri

<div align="center"><table width="645" border="1" cellspacing="0" cellpadding="0"><tbody><tr><td valign="top" width="439"><p><strong>Abstract: </strong>This reseach was aimed to determine the effectiveness of the Discovery Learning model with Brainstorming on students' critical thinking skills. This research is a quasi-experiment with a non-equivalent pretest-posttest control group design. Data analysis used t-test and continued with an analysis of the N-gain value. The results showed that there was a significant difference between the experiment class and the control class with a significance value of 0,001 ≤ 0,05. N-gain values in the experiment class and control class were 0.53 and 0.30, this means that the improvement of students' critical thinking skills in the experimental class is better than the control class.</p><p><strong>Abstrak:</strong><strong> </strong>Penelitian ini bertujuan untuk mengetahui keefektifan model <em>Discovery Learning</em> dengan <em>Brainstorming</em> terhadap kemampuan berpikir kritis peserta didik. Penelitian ini adalah penelitian <em>quasi-eksperimen</em> dengan desain <em>non-equivalent pretest-posttest control group design</em>. Analisis data menggunakan uji <em>independent t-test</em> dan dilanjutkan dengan analisis nilai <em>N-gain</em>. Hasil penelitian menunjukkan adanya perbedaan yang signifikan antara kelas eksperimen dan kelas kontrol yaitu dengan nilai signifikansi 0,001 ≤ 0,05. Nilai <em>N-gain</em> pada kelas eksperimen dan kelas kontrol masing-masing 0,53 dan 0,30, ini berarti peningkatan kemampuan berpikir kritis peserta didik pada kelas eksperimen lebih baik dibandingkan dengan kelas kontrol.</p></td></tr></tbody></table></div>

2013 ◽  
Vol 1 (2) ◽  
pp. 124
Author(s):  
Teuku Musreza Fonna ◽  
Adlim Adlim ◽  
Muhammad Ali S

Penelitian ini bertujuan untuk mengetahui perbedaan keterampilan berpikir kritis siswa melalui pembelajaran konvensional dan penggunaan media laboratorium laboratorium virtual pada konsep sistem pernapasan manusia. Metode yang digunakan adalah metode eksperimen dengan rancangan pretest-postest control group design. Sampel penelitian adalah siswa kelas XI semester dua berjumlah 50 orang siswa SMA yaitu 25 orang kelas XI.A dan 25 orang kelas XI.B di SMA Negeri Unggul Sigli Kabupaten Pidie. Pembelajaran di kelas eksperimen dilakukan dengan menggunakan media (software) virtual lab, sedangkan kelas kontrol diterapkan pembelajaran konvensional dan masing-masing kelas digunakan model Pembelajaran Langsung. Efektifitas penerapan Laboratorium virtual terhadap keterampilan berpikir kritis dianalisis dengan menggunakan tes berupa uraian yang dilakukan dengan uji-t (Independent Samples t-Test). Hasil penelitian menunjukkan bahwa thit. 5,507 > ttab. 2,011. Dengan demikian, terdapat perbedaan yang signifikan penerapan pembelajaran dengan menggunakan media laboratorium virtual terhadap keterampilan berpikir kritis siswa pada konsep sistem pernapasan manusia. Kata Kunci: Keterampilan Berpikir Kritis, Laboratorium Virtual, dan Sistem Pernapasan Manusia This research aims to determine the differences in critical thinking skills of students who taking conventional learning and virtual labs on the concept of the human breathing system. The method used is an experimental method by design pretest-posttest control group design. The research population is high school students at class XI in the second semester of school time. Two classes with 25 students each were chosen purposively for experiment and control class. The experimental classed was taught by using learning media of virtual laboratory software, while the control class was taught with conventional learning and both classes were applied the Direct Instruction Model. Pretest and posttest on critical thinking skills and cognitive learning outcomes of the students in both classes were compared and analyzed by using a test; essay and multiple-choice performed with t-test (Independent Samples t-Test). The results showed that there was significant improvement of critical thinking skills (tcount 5, 507 > ttable 2,011) students that learned through media of virtual laboratory software. Thus, there is a significant difference in the application of virtual laboratory software on students' critical thinking skills on the concept of the human breathing system. Keywords: Critical Thinking Skills, Virtual Laboratory, and The Human Breathing System


2019 ◽  
Vol 4 (1) ◽  
pp. 61
Author(s):  
Henik Nur Khofiyah ◽  
Anang Santoso ◽  
Sa’dun Akbar

<div align="center"><table width="645" border="1" cellspacing="0" cellpadding="0"><tbody><tr><td valign="top" width="439"><p><strong>Abstract:</strong> This research was aimed to get result about the effect of discovery learning assisted by real media to critical thinking and understanding science concept This studyis quasi experiment, the design of Posttest-Only Control Group Design. The technique for sampling is saturated sampling. Data analysis using t test. The conclusion is; (a) there are differences in critical thinking skills of students using discovery learning models assisted by media real with students by discovery learning models. (b) There are differences in understanding of concepts between students using discovery learning models assisted by media real with students by discovery learning models.</p><p><strong>Abstrak:</strong><em> </em>Penelitian ini bertujuan untuk mengetahui pengaruh model <em>discovery learning</em> berbantuan media benda nyata terhadap keterampilan berpikir kritis dan pemahaman konsep IPA. Metode yang digunakan <em>quasi experiment</em> dengan rancangan <em>Posttest-Only Control Group Design</em>. Teknik pengambilan sampel adalah sampling jenuh. Analisis data menggunakan Uji t. Kesimpulan dari penelitian ini adalah (a) terdapat perbedaan keterampilan berpikir kritis siswa menggunakan model <em>discovery learning</em> berbantuan media benda nyata dengan siswa dengan model <em>discovery learning</em> dan (b) terdapat perbedaan pemahaman konsep antara siswa yang dibelajarkan menggunakan model <em>discovery learning</em> berbantuan media benda nyata dengan siswa yang dibelajarkan dengan model <em>discovery learning</em>.</p></td></tr></tbody></table></div>


2019 ◽  
Vol 4 (8) ◽  
pp. 1125
Author(s):  
Devi Tri Lukitasari ◽  
Sudarmiatin Sudarmiatin ◽  
Muhammad Zainuddin

<p class="Abstrak"><strong>Abstract:</strong> This study aims to determine the differences in the ability to think critic of elementary school students by applying the model of Problem Based Learning (PBL) and Conventional. This type of research that is a quasi-experimental design Nonequivalent Control Group Design. Number of respondents 72 students, 36 students in grade control (conventional) and the experimental class of 36 students (PBL). Instruments used the descriptions written tests. Based on research results using the Independent Sample T-Test results obtained 0.000 &lt;0.05. This means that there are difference significant between critical thinking skills in the classroom with the conventional model and PBL. These results are supported by the acquisition of the average yield of critical thinking skills acquisition experimental class with a mean = 14.2, while the control class to get mean = 12.4. So it could be concluded that there were significant differences of critical thinking skills class with PBL and conventional models.</p><strong>Abstrak:</strong> Penelitian ini bertujuan guna mengetahui perbedaan kemampuan berpikir ktitis siswa SD dengan menerapakan model <em>Problem Baased Learning</em> (<em>PBL</em>) dan <em>Konvensional</em>. Jenis penelitian ini yakni kuasi eksperimen berdesain <em>Nonequivalent Control Group Design. </em>Jumlah responden 72 siswa, 36 siswa kelas kontrol (dengan konvensional) dan 36 siswa kelas eksperimen (dengan PBL). Instrumen yang dipakai yakni tes tulis uraian. Berdasarkan hasil penelitian menggunakan <em>Independent Sample T-Test </em>diperoleh hasil 0,000 &lt; 0,05. Hal tersebut berarti ada perbedaan yang significan antara kemampuan berpikir kritis pada kelas dengan model konvensional dan PBL. Hasil tersebut didukung dengan perolehan hasil rata-rata keterampilan berpikir kritis kelas eksperimen dengan perolehan rerata = 14,2 sedangkan kelas kontrol mendapatkan rerata = 12,4. Sehingga bisa disimpulkan ada perbedaan signifikan keterampilan berpikir kritis kelas dengan model PBL dan konvensional.


EDUSAINS ◽  
2019 ◽  
Vol 10 (2) ◽  
pp. 341-348
Author(s):  
R. Melisa Nelvita Sari ◽  
Siti Suryaningsih ◽  
Luki Yunita

KORELASI MODEL INKUIRI TERBIMBING BERPENDEKATAN SETS TERHADAP KETERAMPILAN BERPIKIR KRITIS SISWA AbstractCritical thinking skills in chemistry subject is still low. Teacher-centered learning is one of the causes of low critical thinking skills. The objective of this study was to investigate the correlation of guided inquiry learning model with the Science, Environment, Technology and Society (SETS) approach on students’ critical thinking skills at chemical equilibrium material. The research method was Quasi Experiment with Nonequivalent Control Group Design, and the samples were taken using purposive sampling. The samples consisted of 36 students in the control and the experimental classes. The research instrument consisted of 12-item essay test which represented 11 indicators of critical thinking skill. Data analysis was performed using the Independent Sample T-test through SPSS 22 version. The results of hypothesis testing showed a correlation of the use of guided inquiry model with SETS approach on students' critical thinking skills in the experimental class with sig values <0.05. The percentage result of the posttest data showed an increase in critical thinking skills of students in the experimental class. The conclusion of this study is that the use of guided inquiry model with SETS approach can improve students' critical thinking skills. The highest critical thinking skills indicator in the experimental class is inducing and judging inductions, while the lowest indicator is observing and judging observation reports.AbstrakKeterampilan berpikir kritis pada mata pelajaran kimia masih rendah. Pembelajaran yang berpusat pada  guru adalah salah satu penyebab rendahnya keterampilan berpikir kritis. Tujuan penelitian untuk mengetahui korelasi model pembelajaran inkuiri terbimbing berpendekatan Science, Environment, Technology, dan Society (SETS) terhadap keterampilan berpikir kritis siswa pada materi kesetimbangan kimia. Metode penelitian adalah Quasi Experiment dengan desain Nonequivalent Control Group Design, dan teknik yaitu purposive sampling. Sampel penelitian sebanyak masing-masing 36 orang pada kelas kontrol dan eksperimen. Instrumen penelitian berupa tes esai sebanyak 12 butir soal yang mewakili 11 indikator keterampilan berpikir kritis. Analisis data menggunakan Independent Sample T-test melalui SPSS versi 22. Hasil uji hipotesis menunjukkan adanya korelasi penggunaan model inkuiri terbimbing berpendekatan SETS terhadap keterampilan berpikir kritis siswa kelas eksperimen dengan nilai sig. < 0,05. Hasil persentase data posttest menunjukkan adanya peningkatan keterampilan berpikir kritis siswa pada kelas eksperimen. Kesimpulan dari penelitian ini bahwa penggunaan model inkuiri terbimbing berpendekatan SETS mampu meningkatkan keterampilan berpikir kritis siswa. Indikator keterampilan berpikir kritis tertinggi di kelas eksperimen adalah membuat induksi dan mempertimbangkan hasil induksi dan indikator terendah adalah mengobservasi dan mempertimbangkan hasil observasi.  


2019 ◽  
Vol 7 (2) ◽  
pp. 129
Author(s):  
Wayan Suana ◽  
Prima Istiana ◽  
Nengah Maharta

This study aims to determine the effect of applying blended learning on static electricity material to students' critical thinking abilities. This study used a quasi-experimental research method with a pretest-posttest control group design. This study uses Mann Whitney U-Test data analysis techniques so that the data can be said to have a significant difference to the critical thinking skills of the experimental class using blended learning and the control class using direct (conventional) learning. The conclusion of this study is that there is an effect after learning in blended learning which is characterized by differences in N-gain mean values that are significant between the experimental class and the control class, where the N-gain value in the experimental class is higher than the average N- gain in the control class.


2020 ◽  
Vol 3 (2) ◽  
Author(s):  
M. Lutfi Firdaus ◽  
Sasti Yuliafitri ◽  
Eko Swistoro ◽  
Ghufira Ghufira ◽  
Rendy W. Wardana

This study aims to describe the differences in students’ critical thinking skill between class which use discovery learning and conventional learning in electromagnetic wave material. The research method used was a quasi-experimental method with a non-equivalent control group design which was conducted in MAS 01 Darussalam Kepahiang. In non-equivalent control group design, the sample (was) not taken randomly but by purposive sampling technique. The research sample taken by the researcher consists of two classes,  (i.e.) the class XII A2 as an experimental class and the class XII A3 as a control class. Both classes were given a pretest to find out the students’ fundamental critical thinking skills and a posttest to find out the students' final critical thinking skills. This research was conducted in two meetings according to subchapters on electromagnetic wave material. Discovery learning model was applied in the experimental class with the steps of learning are stimulation, problem statement, data collection, data processing, verification, and generalization. The average value of critical thinking of the experimental class student was 65.7 and (the) control class was 48.12 with a value of sig. (2-tailed) = 0.000 sig. α = 0.05. Based on the results, it can be concluded that there is a significant difference in students’ ' critical thinking skills using the discovery learning model with the critical thinking skills of students using conventional learning.


2020 ◽  
Vol 15 (5) ◽  
pp. 1295-1306
Author(s):  
Hasanah Hasanah ◽  
Muh Nasir Malik

This study investigates the effectiveness of the blended learning model in improving critical thinking and communication skills of students at university. This is a quasi-experimental study with a non-equivalent control group design involving one experimental group and one control group. The research population comprised students sitting in the Entrepreneurship class at the Department of Electronic Engineering Education, who were selected purposively. The data were about critical thinking skills that were gathered using a test, while the data about communication skills were obtained through observations. The data were analysed using a paired sample t-test and an independent sample t-test. The findings show that: (1) the implementation of the blended learning model effectively increases the critical thinking skills; (2) the use of the blended learning model effectively improves students’ communication skills and (3) according to the independent sample t-test, students’ critical thinking skills and communication skills in the experimental class had a significant difference from those in the control class.   Keywords: Blended learning model, critical thinking skills, communication skills.


2017 ◽  
Vol 9 (2) ◽  
pp. 99
Author(s):  
St Fatimah Azzahra

ABSTRACTThis research is aimed to know the differences increase critical thinking skills through learning group and individual problem solving in thermochemical material. This research uses a quasi-experimental design with nonequivalent control group design and study sample consisted of 103 students, divided into the first experimental (group problem solving) (35 students), the two group experimental (individual problem solving) (34 students). The collected through pretest-posttest. The analyzed with the Kruskal Wallis test, the results showed that the learning problem solving as a group or individually can improve students’ critical thinking skills. Statistical test there are significant differences in the students critical thinking skills thermochemical material between students who received group and individual problem solving. Critical thinking skills improvement with problem solving individual learning higher compared with group learning problem solving.Keywords: problem solving learning, critical thinking skillsABSTRAKPenelitian ini bertujuan untuk mengetahui perbedaan peningkatan keterampilan berpikir kritis siswa melalui pembelajaran group dan individual problem solving pada materi termokimia. Penelitian ini menggunakan metode quasi experimen dengan desain Nonequivalent Control Group Design dan sampel penelitian ini terdiri dari 103 siswa yang terbagi ke dalam kelompok eksperimen pertama (pembelajaran group problem solving) (35 siswa), kelompok eksperimen kedua (pembelajaran individual problem solving) (34 siswa).Pengumpulan data dilakukan melalui pretest-posttest. Data dianalisis dengan uji Kruskal Wallis Test, hasil penelitian menunjukkan bahwa pembelajaran problem solving secara group maupun secara individual dapat meningkatkan keterampilan berpikir kritis siswa. Data uji statistik, terdapat perbedaan yang signifikan keterampilan berpikir kritis siswa pada materi termokimia antara siswa yang mendapat pembelajaran group problem solving dan individual problem solving. Peningkatan keterampilan berpikir kritis dengan pembelajaran individual problem solving lebih tinggi dibandingkan dengan pembelajaran group problem solving.Kata Kunci: Pembelajaran Problem Solving, Keterampilan Berpikir Kritis


2020 ◽  
Vol 3 (1) ◽  
pp. 30
Author(s):  
Muhamad Epi Rusdin ◽  
Widodo Widodo ◽  
Guntur Maruto

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.


2017 ◽  
Vol 6 (2) ◽  
pp. 234 ◽  
Author(s):  
Muhammad Ikhsan ◽  
Said Munzir ◽  
Lia Fitria

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.


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