scholarly journals Penerapan Model Pembelajaran Problem Based Learning Dan Inkuiri Untuk Meningkatkan Kemampuan Berpikir Kritis Mahasiswa Pada Konsep Dampak Pencemaran Lingkungan Terhadap Kesehatan

2017 ◽  
Vol 2 (2) ◽  
pp. 132
Author(s):  
Evi Apriana ◽  
Anwar Anwar

Penelitian ini bertujuan untuk mengetahui peningkatkan kemampuan berpikir kritis mahasiswa melalui penerapan model pembelajaran Problem Based Learning (PBL) dan Inkuiri pada konsep dampak pencemaran lingkungan terhadap kesehatan, menggunakan metode eksperimen dengan rancangan Statistic group pretes-postes design. Populasi dalam penelitian ini adalah mahasiswa Fakultas Kesehatan Masyarakat Universitas Muhamadiyah Aceh. Kelas pertama dibelajarkan dengan model pembelajaran PBL dan kelas kedua dibelajarkan dengan model pembelajaran Inkuiri. Analisis data tentang model pembelajaran PBL dan Inkuiri terhadap peningkatan kemampuan berpikir kritis mahasiswa. Data penelitian diuji dengan t-test, menggunakan program statistik software komputer. Hasil penelitian menunjukkan nilai kemampuan berpikir kritis pada model pembelajaran PBL dan Inkuiri dengan t-hitung > t-tabel (3,20 > 2,00), dengan nilai postest mean PBL = 72,25 dan mean Inkuiri = 81,00. Maka dapat disimpulkan bahwa terdapat peningkatan kemampuan berpikir kritis mahasiswa pada model PBL dan Inkuiri. Kata Kunci: Model Pembelajaran Problem Based Learning, Inkuiri, Kemampuan Berpikir Kritis, dan Pencemaran Lingkungan This study aims to determine the improvement of students' critical thinking skills through the application of the Problem Based Learning (PBL) and Inquiry on the concept of the impact of environmental pollution on health, using experimental methods to design pretest-posttest Statistic group design. The population in this study were students of the Faculty of Public Health, University of Muhammadiyah in Aceh. First class learned with PBL learning model and the second class learned with inquiry learning model. Analysis of data on PBL and inquiry learning model to increase students' critical thinking skills. Data were tested by t-test, using a statistical software program computer. The results show the value of critical thinking skills in the PBL and inquiry learning model with t count> t-table (3.20> 2.00), with a mean post-test score and the mean PBL = 72.25 and mean Inquiry = 81.00. It can be concluded that there is an increase in students' critical thinking skills and inquiry PBL model. Keyword: Learning Model of Problem Based Learning, Inquiry, Critical Thinking Skills, and Environmental Pollution

2021 ◽  
Vol 14 (1) ◽  
pp. 53-68
Author(s):  
Rita Saekawati ◽  
Harun Nasrudin

This research aims to examine the effectiveness guided inquiry learning model based on blended learning on reaction rate material to improve students' critical thinking skills. The design in this research is the One Group Pretest and Posttest Design. The subjects in this research were students of SMAN 1 Kalitidu Bojonegoro in class XI IPA 1. The method used to collect data was the test, observation, and student response questionnaires. Data analysis used the percentage, mean, N-Gain, and Paired sample t-test. The results showed that the guided inquiry learning model based on blended learning was carried out well with an average percentage of the implementation of phase 1 was 98%, phase 2 was 93.76%, phase 3 was 100%, phase 4 was 93.75%, phase 5 was 100%. The average score of the N-gain critical thinking skills is 0.73 with the high category. There is a significant difference in the results of critical thinking skills between before and after being given a guided inquiry learning model based on blended learning. The results showed the guided inquiry learning model based on blended learning effectively improving students' critical thinking skills. Efektivitas Inkuiri Terbimbing Berbasis Blended Learning dalam Meningkatkan Keterampilan Berpikir KritisPenelitian ini bertujuan untuk menguji keefektifan model pembelajaran inkuiri terbimbing berbasis blended learning pada materi laju reaksi dalam meningkatkan keterampilan berpikir kritis peserta didik. Design pada penelitian ini adalah One Group Pretest and Posttest Design. Sasaran dalam penelitian ini yaitu peserta didik XI IPA 1 SMA Negeri 1 Kalitidu Bojonegoro. Metode pengumpulan data yang digunakan berupa tes, observasi dan angket respon. Analisis data menggunakan teknik persentase, mean, n-gain, dan uji Paired Sample T-test. Hasil penelitian menunjukkan bahwa model pembelajaran inkuiri terbimbing berbasis blended learning terlaksana dengan baik dengan rata-rata persentase keterlaksanaan fase 1 sebesar 98%, fase 2 sebesar 93,76%, fase 3 sebesar 100%, fase 4 sebesar 93,75%, fase 5 sebesar 100%. Nilai rata-rata N-gain kemampuan berpikir kritis adalah sebesar 0,73 dengan kategori tinggi. Terdapat perbedaan hasil keterampilan berpikir kritis yang signifikan antara sebelum dan sesudah diberikan model pembelajaran inkuiri terbimbing berbasis blended learning. Hasil penelitian menunjukkan bahwa model pembelajaran inkuiri terbimbing berbasis blended learning efektif untuk meningkatkan keterampilan berpikir kritis peserta didik.


2018 ◽  
Vol 2 (2) ◽  
pp. 124-132
Author(s):  
Mesia Dewi Hasanah ◽  
Heffi Alberida ◽  
Yosi Laila Rahmi

Implementation of Curriculum 2013 requires students to learn actively, independently, and critical thinking. Critical thinking is an activity through thinking about ideas related to concepts or problems. The efforts to improve critical thinking skills of learners can be done by using the appropriate learning model. One of the learning models that can be used to improve the ability of critical thinking is a problem-based learning model. This type of research is quasi experiment with randomized control-group pretest posttest design. The sample of this research choosed by used purposive sampling method. Class VIII6 as experimental class and class VIII4 as control class. Data of this research result are quantitative data of critical thinking ability. Data were analyzed by using t test. The results showed that the mean difference of posttest value with pretest value of critical thinking ability of experimental class learners is higher than control class. Hypothesis testing with t-test obtained tcalculate=2,94>ttable= 1,67, then H1 accepted. Based on these results the authors conclude that the implementation of problem-based learning model has a positive effect on the ability to think critically learners on the material additives and addictive substances.


2021 ◽  
Vol 9 (1) ◽  
pp. 65-75
Author(s):  
Zainatul Hasanah ◽  
Andi Ulfa Tenri Pada* ◽  
Safrida Safrida ◽  
Wiwit Artika ◽  
Mudatsir Mudatsir

The learning process only focuses on the material by memorizing concepts, students do not use LKPD to do practical work optimally, so the biology learning process in schools does not encourage students to practice critical thinking skills. This study aims to improve students' critical thinking skills by using the PBL learning model combined with STEM-based worksheets on environmental pollution conceptin class 10th SMA Negeri Bireuen district. The approach used is experimental design, the method used is quasi-experimental, with a pretest-posttest design non-equivalent control group design. Population in class 10th IPA SMAN 1 and SMAN 2 Peusangan designed 252 people. The sampling technique used was purposive sampling technique. The research sample was 140 students. The number of samples in the experimental class was 71 people and 69 people in the control class. The instrument used was a reasoned multiple choice question accompanied by a rubric. The data analysis used was n-gain and independent t-test. The results showed that the critical thinking skills obtained was 0.93, with an increase in class critical thinking skills including the high category. The results of the independent sample t-test obtained Sig. (0,000) α (0.05) then Ha is accepted, so it is suggested that there are differences in the critical thinking skills of students between the experimental class and the control class on environmental pollution material in class X SMAN Bireuen. The implementation of PBL learning model combined with STEM-based LKPD can improve students' critical thinking skills on environmental pollution material in class 10th SMA Negeri Bireuen Regency.


2021 ◽  
Vol 2 (3) ◽  
pp. 1-9
Author(s):  
Muflichatu Nur Fita ◽  
Budi Jatmiko ◽  
Elok Sudibyo

The purpose of this research was to see how effective the Problem Based Learning (PBL) based Socioscientific Issues (SSI) is at improving critical thinking skills. The sample used was grade seven in SMPN 4 Lamongan with 2 classes and each class contains 15 students. The design of the learning materials trial used  One-Group pre-test post-test design. Tests of critical thinking skills and student answer sheets were used to collect data. Techniques of data analysis used N-gain, paired t-test, and independent t-test. The result of this research is as follows: The effectiveness in terms of the critical thinking skills test the category increase is high, there is a significant difference between the test before and after learning with PBL based SSI and there is no difference N-gain in the two group classes and students' responses are classified as very good. Based on data analysis, it can be concluded that PBL with SSI is effective to improve critical thinking skills. The implications of this study are PBL-based SSI has the potential to be an innovative solution and alternative for improving critical thinking skills.


Author(s):  
Tri Sutrisno

Abstrak: Penelitian ini bertujuan untuk menilai pengaruh penggunaan model problem based learning untuk keterampilan berpikir kritis dalam kewarganegaraan tentang sistem pemerintahan. Objek penelitian ini adalah kelas VI SDN Kolor II Sumenep. Termasuk 2 kelas yang digunakan dalam penelitian ini meliputi, kelas VIA SDN Pajagalan sebagai percobaan kelas I, VI A sebagai kelompok eksperimen dan kelompok kontrol VIB SDN Kolor II. Tes kelas yang dimaksudkan adalah kelas yang digunakan untuk menguji instrumen yang akan digunakan untuk mengambil data keterampilan berpikir kritis siswa. Pendekatan penelitian kuantitatif ini, syarat-syarat nilai perolehan kemampuan tes untuk skor keterampilan berpikir kritis atau nilai-nilai dijumlahkan dan dianalisis menggunakan t-test dua sampel independen. Pada validitas tes diperoleh hitungan ≥ r r - kritis (0,349), instrumen tersebut valid dan dapat digunakan. Dalam pengujian andal hitung r> r kritis (0,60), yaitu nilai Alpha 0,966 yang berarti lebih besar dari 0,60. Dengan demikian seluruh instrumen barang bisa diandalkan. Hasil pengujian hipotesis dapat dilihat dari data yang telah dianalisis dengan t 3,730> t-tabel 2,00 (α = 0,05). Dapat disimpulkan bahwa probabilitas kesalahan dalam penelitian ini masih di bawah 0,05. Pengujian hipotesis dapat diputuskan, bahwa dengan harga tinggi 3,730 t-test memiliki tingkat signifikansi 0,000, yang ternyata posisinya masih jauh di bawah nilai α = 0,05. Oleh karena itu penelitian ini berhasil menolak H0 pada tingkat signifikansi 5%. Lebih lanjut, dapat disimpulkan bahwa H1 terbukti benar. Berarti dalam kelompok eksperimen pretest posttest kelompok eksperimen adalah 54,38 adalah 74,38. Sedangkan rata-rata kelompok kontrol pretest adalah 51,94. Grup postes adalah 66,94. Ini adalah bukti bahwa terjadi peningkatan pada kelas eksperimen yang telah diberi perlakuan dengan model problem based learning. Dengan demikian kita dapat menyimpulkan kemampuan keterampilan berpikir kritis siswa dalam kelompok eksperimen lebih tinggi daripada kelompok kontrol. Model problem based learning berpengaruh positif terhadap kemampuan siswa untuk keterampilan berpikir kritis.Kata kunci: Model Problem Based Learning, Kemampuan Berpikir KritisAbstract: This study aims to assess the effect of the use of problem solving based learning model for critical thinking skills  in civics about the system of goverment. Object of this research is a class VI  SDN Kolor II Sumenep. Includes 2 classes used in this study include , VIA SDN Pajagalan class as a class I trial, VI A as an experimental group and a control group VIB SDN Kolor II . Class tests are intended class is used to test the instruments to be used to retrieve data critical thinking skills of students. This quantitative research approaches , the terms of the acquisition value of the test 's ability to critical thinking skills scores or values are summed and analyzed using t-test two independent samples. On the validity of the test obtained count ≥ r r - critical ( 0.349 ), the instrument as valid and can be used. In the test reliably count r > r critical ( 0.60 ) , namely Alpha value of 0.966 which means greater than 0.60. Thus the entire item instrument is reliable. Results of hypothesis testing can be seen from the data that has been analyzed by t 3.730 > t-table 2.00 (α = 0.05). It can be concluded that the probability of error in this study still below 0.05. Hypothesis testing can be decided, that with the high price of 3.730 t-test has significance level of 0.000, which turned out to be his position is still far below the value of α = 0.05. This study therefore managed to reject H0 at significance level of 5 % . Furthermore, it can be concluded that the H1 was proved right. Mean in the experimental group pretest posttest experimental group is 54.38 is 74.38. While the control group mean pretest is 51.94. Postes group is 66.94. This is evidence that an increase in the experimental class that has been given treatment with problem solving-based learning model. Thus we can conclude critical thinking skills  abilities of students in the experimental group was higher than the control group. Problem solving-based learning model a positive effect on students' ability tocritical  thinking skills.Keywords: Problem Based Learning Model, Critical Thinking Skills


2020 ◽  
Vol 9 (2) ◽  
Author(s):  
Melania Priska ◽  
Agnes Pendy ◽  
Natalia Peni ◽  
Ludovicus Carvallo

Solution material is one of the materials that requires a student's level of understanding at the critical thinking level. Critical thinking skills train students to learn to find and solve problems using scientific methods based on real experiences encountered and experienced directly. To be able to find the concept of knowledge based on existing realities, an appropriate learning model is needed, namely a problem-based learning model. This study aims to determine students' critical thinking skills. The type and design of this research is development research with a nonequivalent control group design. The samples of this research were students of semester 2, Biology Education Study Program, University of Flores. This research was conducted from April-June 2020. Data were collected using the critical thinking ability test technique of students in the chemical solution subject, followed by processing and analyzing data using the prerequisite analysis test in the form of normality test, homogeneity test, and t-test. The data analysis shows the significance value of the normality and homogeneity test, namely α> 0.05, while for the t-test α <0.05. From these results prove that problem-based learning can improve students' critical thinking skills in chemistry subject matter solution


2020 ◽  
Vol 12 (1) ◽  
pp. 1
Author(s):  
Desy Triana Dewi

The classroom action research is based on lack of student critical thinking skill has an impact result of learning. This study aims to analyze teacher and students’ activities, to improve students’ critical thinking skills and student response by applying Problem Based Learning model to the APBN and APBD materials in Development on eleventh grade of Social Major 3 in 1st Senior High School Puri Mojokerto. This study was conducted in two cycles. Each cycle uses the stages of study plan (planning), implementation (acting), observation (observing), and reflection (reflecting). The instruments used were a post-test to determine the ability to think critically and an observation sheet to find out the teacher's activities, the students' activities and students' responses to the application of Problem Based Learning model. The result showed that the students' critical thinking skills increased from 50% in cycle 1 to 87.5% in cycle 2. Furthermore, the teacher activity showed an increase from 74,76% in cycle 1 to 91.9% in cycle 2. While the students' activity also experienced an increase from 78.19% in cycle 1 to 84.57% in cycle 2, and the students' response reached 89.06%. Therefore, it can be concluded that based on the results, the application of Problem Based Learning model can increase students' critical thinking skills.


2020 ◽  
Vol 23 (2) ◽  
pp. 194
Author(s):  
Della Fadhilatunisa ◽  
Rosidah Rosidah ◽  
M Miftach Fakhri

Abstract:The accountant profession in the 21st century requires good critical thinking skills so that developing the skills needed in the 21st century is necessary in the accounting student’ learning environment. Therefore, the technology can be used as a medium for learning and communication between the students and the lecturers. In addition, the problem based learning model as a learning that requires the students to actively participate in each learning to develop the critical thinking skills so that the integration between problem-based face-to-face learning and learning utilizing technology in e-learning media is expected to improve the students’ critical thinking skills and the learning motivation. The research aims to: (1) find out the implementation of an effective blended learning model towards the students’ critical thinking skills and the learning motivation, and (2) to find out the difference in the students’ critical thinking skills and the learning motivation between the experimental class and the control class. This research is a quasi experimental research with non equivalent control group design. The study used one experimental group and one control group. The population in this study was the students who took introductory courses in accounting and accounting information systems so that the samples were taken by using purposive sampling technique. The instruments used are the essay test for the critical thinking skills and the questionnaire for the learning motivation. The data analysis techniques used are paired sample t test and independent sample t test assisted by SPSS 26.00. The findings show that: (1) the results of the paired simple t test show that the implementation of the blended learning model effectively improve the students’ critical thinking skills and the learning motivation, and (2) The results of the independent simple t test show that the students’ critical thinking skills and the learning motivation of the experimental class have a significant difference with the students of the control class.Abstrak:Profesi akuntan pada abad 21 membutuhkan keterampilan berpikir kritis yang baik sehingga diperlukan lingkungan belajar mahasiswa akuntansi yang mampu mengembangkan keterampilan yang dibutuhkan di abad 21. Oleh karena itu, teknologi dapat dimanfaatkan sebagai media untuk belajar dan komunikasi antara mahasiswa dan dosen. Selain itu, model problem based learning sebagai pembelajaran yang menuntut mahasiswa berpartisipasi aktif dalam setiap pembelajaran untuk mengembangkan keterampilan berpikir kritisnya sehingga integrasi antara pembelajaran tatap muka berbasis problem based learning dengan pembelajaran yang memanfaatkan teknologi di media e-learning diharapkan dapat meningkatkan keterampilan berpikir kritis dan motivasi belajar mahasiswa. Adapun penelitian ini bertujuan untuk: (1) mengetahui implementasi model blended learning yang efektif terhadap keterampilan berpikir kritis dan motivasi belajar mahasiswa, (2) mengetahui perbedaan keterampilan berpikir kritis dan motivasi belajar mahasiswa antara kelas eksperimen dengan kelas control. Penelitian ini merupakan quasi experimental dengan desain non equivalent control group design. Penelitian ini menggunakan satu kelompok eksperimen dan satu kelompok kontrol. Populasi pada penelitian ini adalah mahasiswa yang mengambil mata kuliah pengantar akuntansi dan sistem informasi akuntansi sehingga sampel diambil secara purposive sampling.  Teknik pengumpulan data untuk keterampilan berpikir kritis adalah tes sedangkan untuk motivasi belajar menggunakan angket. Teknik analisis data yang digunakan adalah paired sample t test dan independent sample t test dengan bantuan SPSS 26.00. Hasil penelitian menunjukkan: (1) Hasil uji paired simple t test menunjukkan implementasi dari model blended learning secara efektif meningkatkan keterampilan berpikir kritis dan motivasi belajar mahasiswa,  (2) Hasil uji independent simple t test menunjukkan keterampilan berpikir kritis dan motivasi belajar mahasiswa kelas eksperimen memiliki perbedaan secara signifikan dengan mahasiswa kelas kontrol.


2021 ◽  
Vol 5 (1) ◽  
pp. 9
Author(s):  
Gendhis Cikal Mayang ◽  
Agus Efendi ◽  
Nurcahya Pradana Taufik Prakisya

<span>This research aims to determine the differences in students’ critical thinking skills between the class that applies problem-based learning model through Edpuzzle and the class that applies expository learning model. The method used is quantitative quasi-experimental design using pre-test and post-test control. The sample of this research was participated by 66 students. They were selected by applying the technique of cluster random sampling. The data was obtained from the result of pre-test and post-test based on the indicator of critical thinking skills. The result showed that there were differences and an increase in the critical thinking skills of students who applied the problem-based learning learning model assisted by edpuzzle compared to the expository model  It is proven by the result of the 1<sup>st</sup> hypothesis test through t-test which the post-test result shows the score of 0,014, which means the score is less than the error level of 0,05. Therefore, it can be concluded that both of the classes have significant differences (H<sub>0</sub> is rejected). On the other, the 2<sup>nd</sup> hypothesis test that used the gain test indicates the score of 0,41 for the experimental class and the score of 0,28 for the control class, which means there is a significant increases in the critical thinking skills of both classes.</span>


2021 ◽  
Vol 2 (2) ◽  
pp. 62-75
Author(s):  
Nurhaningtyas Agustin ◽  
Lafifatun Ni’mah

Mathematics is one of the subjects that trains students to think critically, logically, analytically, systematically, and creatively. One of the regulations of the Minister of Nation Education No.23 of 2006 years, about “graduate competency standards” is to have the ability to cooperate. One way to develop students’s critical thinking skills is to apply student oriented learning with open learning, Open Ended. The method in this study is an experimental method by applying an Open Ended learning model. The purpose of this study was to obtain data or information about the influence and general picture of students critical thinking skills after the application of Open Ended learning in teaching and learning in the classroom. In addition to get an overview of students respones to the application of Open Ended. This study took the population class V MI Al-Falahiyah Kedungrejo-Kerek-Tuban lesson years 2019/2020. This study uses the population as a score of data because the number of students studied is less than 100 students. Namely fifth grade students, amuting to 20 students. The instruments used as data collection were questionnaires and test of mathematical critical thinking skills in fraction subjects. The statistical test used was a t-test with a pre test and post test one group design. Students whos responded to learning with who Open Ended model with a score range’s of 25-27by 10%, a range scores of 28-30 by 15%, a range scores 31-33 by 30%, a range scores of 34-36 by 15%, and 37-39 by 30%. With 11 students who responded well, and 9 students who responded very good, to the Open Ended learning model. Hypothesis test results with the t-test t hitung >  t tabel (2,109>2,029). While the average value of students mathematic critical thinking ability of students is categorized as moderate or sufficient.


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