scholarly journals Effect of Problem Based Learning Model on the Chemical Reaction Rate toward Critical Thinking Ability of Students

2020 ◽  
Vol 9 (4) ◽  
pp. 183-190
Author(s):  
Kasmiati Kasmiati ◽  
Tahril Tahril ◽  
Vanny M. A. Tiwow
Keyword(s):  
Critical Thinking ◽  
Reaction Rate ◽  
Problem Based Learning ◽  
Thinking Skills ◽  
Learning Model ◽  
Critical Thinking Skills ◽  
Control Group ◽  
Average Value ◽  
Thinking Ability ◽  
Experimental Group

This study aimed to identify the effect of the problem-based learning model on the reaction rate toward critical thinking abilities of students of MAN 1 Palu. This study was a quasi-experiment with a pretest-posttest control group design. Sampling was taken by purposive sampling technique with the sample of class XI MIA 3 as the experimental group (n = 18) and class XI MIA 4 as the control group (n = 14). The results of the study and data analysis obtained an average value of students' critical thinking skills from the questionnaire that the experimental group was 82.95%, higher than the control group (73.43%). The average value of students' critical thinking skills from the description test showed that the experimental group was 79.42%, higher than the control group (58.02%). Students' critical thinking skills data using parametric statistical analysis with t-test (right-party t-test) obtained tcount > ttable was 6.83 > 2.04 which corresponds to the H1 acceptance area, therefore H1 was accepted and H0 rejected. This means that students 'critical thinking skills in the experimental group were higher than in the control group. The results of this study concluded that the problem-based learning model had a significant influence on the thinking ability of students in grade XI on the reaction rate at MAN 1 Palu.

scholarly journals The Effect of Problem Based Learning Model on Critical Thinking Ability of Students on Additives and Addictive Substances Class VIII SMPN 12 Padang

2018 ◽  
Vol 2 (2) ◽  
pp. 124-132
Author(s):  
Mesia Dewi Hasanah ◽  
Heffi Alberida ◽  
Yosi Laila Rahmi
Keyword(s):  
Critical Thinking ◽  
Research Result ◽  
Problem Based Learning ◽  
Thinking Skills ◽  
Learning Model ◽  
T Test ◽  
Critical Thinking Skills ◽  
Control Group ◽  
Critical Thinking Ability ◽  
Thinking Ability

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.

scholarly journals Project and problem based learning on students' critical thinking skills at cell material

2020 ◽  
Vol 5 (2) ◽  
pp. 127-139
Author(s):  
Isti Citra Wulandari ◽  
Nuri Dewi Muldayanti ◽  
Anandita Eka Setiadi
Keyword(s):  
Critical Thinking ◽  
Problem Based Learning ◽  
Thinking Skills ◽  
Learning Model ◽  
Project Based Learning ◽  
Critical Thinking Skills ◽  
Control Group ◽  
Control Group Design ◽  
Average Value ◽  
Cell Material

Based on observations when apprenticed at SMAN 7 Pontianak it was known that students' critical thinking skills are still low. Therefore, a variety of learning models are needed to improve students' critical thinking skills. The purpose of this research was to determine the differences and effective learning model in improving students' critical thinking skills between students taught using the project-based learning model and the problem based learning model. The research method used was a quasi-experiment with a nonequivalent control group design. The data collection techniques used were measurement. The results showed a significant value of the T-test was 0.000<0.05. This means that there are differences in students' critical thinking skills taught using the project-based learning model and problem-based learning. The average value of N-Gain in the project-based learning model was 0.69 (moderate) while the problem-based learning model was 0.58 (moderate), so the project-based learning model is more effective than the problem based learning model on students' critical thinking skills.Keywords: Critical thinking skills, problem-based learning, project-based learning, cell material

scholarly journals Pengaruh Model Pembelajaran Berbasis Masalah terhadap Kemampuan Berpikir Kritis Siswa

2019 ◽  
Vol 4 (1) ◽  
pp. 11
Author(s):  
Sebastianus Fedi ◽  
A S Gunsi ◽  
A H Ramda ◽  
B Gunur
Keyword(s):  
Critical Thinking ◽  
Problem Based Learning ◽  
Thinking Skills ◽  
Learning Model ◽  
Critical Thinking Skills ◽  
Control Group ◽  
Homogeneity Test ◽  
Learning Models ◽  
Average Value ◽  
Research Hypothesis

<p>This research is aim to compare the students critical thinking skills who engaged in a problem-based learning model with students who engaged in conventional learning. This is experimental research, with posttest only control group design. The population is 50 of Accounting XI students in Widya Bhakti Vocational School in Ruteng, Flores. Samples grouping on nonprobability sampling, that is saturated sampling where all of this population members are used as samples. The sample in the experimental class was all 24 students of class XI Accounting 1 who received treatment problem-based learning, while the control class sample was all 26 students of class XI Accounting 2 who received conventional learning. Data is collected through tests in the form of description questions.</p>A prerequisite test was carried out before testing the research hypothesis: the normality test and the homogeneity test. The results of these prerequisite test are data in two groups indicated as normally distributed and both are homogeneous. Then, the research hypothesis was tested using t-test. Obtained and on a significance level of and degrees of freedom. Because then is rejected while is acceptable. In this case,  the average value of critical thinking skills in the experimental class,  the average value of critical thinking skills in the control class. The meaning of the results of this analysis are: (1) when compared to conventional learning models, the problem-based learning model has a more positive and significant influence on the formation of students' critical thinking skills; (2) The value of t-count = 4.005 indicates that the average value of critical thinking skills of students using problem-based learning models is so higher than the average value of conventional learning students' critical thinking abilities.

scholarly journals Pengaruh Pembelajaran Berbasis Masalah (Problem Based Learning) Terhadap Kemampuan Berpikir Kritis Siswa pada Mata Pelajaran PKn Kelas VI di SDN Kota Sumenep

2019 ◽  
Vol 3 (2) ◽  
pp. 98
Author(s):  
Tri Sutrisno
Keyword(s):  
Critical Thinking ◽  
Problem Solving ◽  
Model Problem ◽  
Problem Based Learning ◽  
Thinking Skills ◽  
Learning Model ◽  
T Test ◽  
Critical Thinking Skills ◽  
Control Group ◽  
Experimental Group

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

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.

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 EFEKTIVITAS PROBLEM BASED LEARNING DAN PROJECT BASED LEARNING DITINJAU DARI KETERAMPILAN BERPIKIR KRITIS SISWA SD

2020 ◽  
Vol 3 (1) ◽  
pp. 51-56
Author(s):  
Retno Triningsih ◽  
Mawardi Mawardi
Keyword(s):  
Critical Thinking ◽  
Problem Based Learning ◽  
Thinking Skills ◽  
Learning Model ◽  
Project Based Learning ◽  
Critical Thinking Skills ◽  
Control Group ◽  
Control Group Design ◽  
Significant Difference ◽  
Quasi Experimental

The purpose of conducting this research is to compare the effectiveness of the Problem Based Learning learning model and the Project Based Learning learning model in terms of the critical thinking skills of elementary students. This type of research used in this research is Quasi Experimental with experimental design of Post test-Only Control Group Design. The population in the study were 164 five grade students in Diponegoro Salatiga Cluster, while the sample is 111 students of five grade students in SDN Mangunsari 01, SDN Mangunsari 03, and SDN Mangunsari 05. The results obtained from this study are based on descriptive statistics where the average implementation of the Problem Based Learning learning model is 92.46, while the average implementation of the Project Based Learning learning model is 85.15. the results of critical thinking skills in the Problem Based Learning model are higher than the Project Based Learning learning model reinforced by the T test results obtained by the Sig. (2-tailed) of 0, 047 0.05 thus there is a significant difference between the two groups.

scholarly journals UPAYA MENINGKATKAN KEMAMPUAN BERPIKIR KRITIS SISWA PADA MATA PELAJARAN BIOLOGI MELALUI PENERAPAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING DI KELAS X SMA NEGERI 1 KLUET TENGAH

2021 ◽  
Vol 8 (2) ◽  
pp. 200
Author(s):  
Teuku Fakhrizal ◽  
Uswatun Hasanah
Keyword(s):  
Critical Thinking ◽  
Action Research ◽  
Research Design ◽  
Problem Based Learning ◽  
Thinking Skills ◽  
Learning Model ◽  
Critical Thinking Skills ◽  
Critical Thinking Ability ◽  
Thinking Ability ◽  
Classroom Action Research

The aims of this study to determine the improvement of students' critical thinking skills through the application of learning model the Problem Based Learning in Biology subjects in class X SMA Negeri 1 Kluet Tengah. The subjects in this study were students of class X SMA Negeri 1 Kluet Tengah, with total of 31 students, with focus of this research critical thinking skills ability in Biology subjects. The research design used was classroom action research, which was conducted in two cycles. Each cycle consists of four stages, namely: planning, implementing, observing, and reflecting. In the pre-cycle, the students 'critical thinking ability was 37.81% in the less critical category, since implementation of the first cycle the students' critical thinking ability became 51.80% with the fairly critical category. In cycle II, the average achievement of students' critical thinking skills has increased to 76.90% in the critical category. Thus the results of this study indicate that the application of learning model the Problem Based Learning can improve students' critical thinking skills in Biology subjects in Class X SMA Negeri 1 Kluet Tengah.

scholarly journals THE EFFECTIVENESS OF PROBLEM BASED LEARNING MODEL BASED ON ETHNOSCIENCE ON STUDENT’S CRITICAL THINKING SKILLS

2021 ◽  
Vol 5 (2) ◽  
pp. 77-87
Author(s):  
Jihan Nisa Amini ◽  
Dedi Irwandi ◽  
Evi Sapinatul Bahriah
Keyword(s):  
Critical Thinking ◽  
Problem Based Learning ◽  
Thinking Skills ◽  
Learning Model ◽  
Critical Thinking Skills ◽  
Control Group ◽  
Control Group Design ◽  
Colloidal Material ◽  
Model Based ◽  
Quasi Experimental

Abstract. The purpose of this study was to determine the effectiveness of the problem-based learning model based on ethnoscience on students' critical thinking skills on colloidal material. Experiments were conducted on a sample of 36 experimental class students with an ethnoscience-based problem-based learning model and 36 experimental class students with a convention learning model. This research method is a quasi-experimental design with a nonequivalent control group design. The instruments used are essay tests and observation sheets. The results of this study indicate that the average posttest in the experimental class is 76.08, which is higher than the control class, which is 69.33. These results indicate that the use of ethnoscience-based learning problem-based learning models on colloidal material is effective in improving students' critical thinking skills compared to using conventional models.

scholarly journals The Effects of Problem-Based Learning on Critical Thinking Skills and Student Science Literacy

2020 ◽  
Vol 8 (1) ◽  
pp. 31
Author(s):  
Suhirman Suhirman ◽  
Husnul Khotimah
Keyword(s):  
Critical Thinking ◽  
Scientific Literacy ◽  
Science Literacy ◽  
Problem Based Learning ◽  
Sampling Technique ◽  
Thinking Skills ◽  
Learning Model ◽  
Critical Thinking Skills ◽  
Control Group ◽  
Control Group Design

This study aimed to describe the effect of problem-based learning on students' critical thinking skills and scientific literacy. This research is a quasi-experimental study with pre-test-post test control group design. Sampling was done by saturated sampling technique in which the experimental class consisted of 35 students and the control class was 34 students. Data on critical thinking skills and student scientific literacy were collected using test instruments which were then analyzed descriptively and statistically. The results showed that the Problem-based Learning model had more effect on students’ critical thinking and scientific literacy (p <0.05) than conventional learning models applied to the control class. Based on the results of the study, it can be concluded that the Problem-based Learning model significantly effect on students’ critical thinking and science literacy in class XI MAN 1 Mataram.

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