scholarly journals Pengaruh Pendekatan Saintifik Terhadap Keterampilan Berpikir Kritis Siswa

2017 ◽  
Vol 5 (2) ◽  
pp. 36
Author(s):  
Baiq Azmi Sukroyanti ◽  
Ika Sufianti

[Title: The Effect of Scientific Approaches Toward Students' Critical Thinking Skills]. This study aims to determine the influence of scientific approach toward the critical thinking skills of students. Indicator of critical thinking skills provides a simple explanation, build skills, conclude, provide further explanation, and set the strategies an tactics. Design in this study was quasi-experimental with posttest only control group design. The population of the study was all of the students class VII SMPN 16 Mataram. The samples of the study consist of two class, that was experiment and control, which is experiment class was taught using scientific approach and control class was taught using conventional methods. The instrument of the study was a description test of critical thinking skill. Data postest show the average of creative thinking skill in the experimental class is 72,32% categorized well while for the control class is equal to 62,67% categorized quite well. The analysis data found tcount 3,28 and ttable 1,67 (the significant level of 5%). The result shows that there was an effect of a scientific approach toward critical thinking skills of the students in vibration and waves material.

2019 ◽  
Vol 2 (1) ◽  
Author(s):  
Rifda Salsa Khairiyah ◽  
Raden Roro Ariessanty Alicia Kusuma Wardhani ◽  
Herlina Apriani

Penelitian ini bertujuan untuk mengetahui pengaruh lembar kerja siswa (LKS)  berbasis  pendekatan  induktif terhadap kemampuan  berpikir  kritis siswa pada materi kelarutan dan hasil kali kelarutan. Penelitian ini dilaksanakan di SMA Negeri   12   Banjarmasin   dengan   menggunakan   metode   eksperimen   yang melibatkan dua kelompok belajar yaitu kelas eksperimen dan kelas kontrol dengan desain penelitian posttest only control group design. Sampel dalam penelitian ini sebanyak 48 sampel yang terdiri dari kelas eksperimen berjumlah 23 siswa dan kelas  kontrol  berjumlah  25  siswa.  Instrumen  yang  digunakan  untuk mengumpulkan  data  dalam  penelitian  ini  adalah  angket  kemampuan  berpikir kritis. Hasil penelitian menunjukkan bahwa pembelajaran yang menggunakan lembar kerja siswa berbasis pendekatan induktif dapat meningkatkan kemampuan berpikir kritis siswa dalam belajar pada materi kelarutan dan hasil kali kelarutan di SMA Negeri 12 Banjarmasin. Hal ini dapat dilihat pada hasil uji hipotesis yang menggunakan uji mann-whitney. Hasil yang didapatkan adalah nilai sig sebesar 0,036, yang menyatakan H0 ditolak dan H1 diterima, hal ini dikarenakan nilai sig < 0,05.This study aims to determine students’ critical thinking skills by using student worksheet based on inductive approach to student’s critical thinking skills on solubility and solubility results material . This research was conducted at SMA Negeri 12 Banjarmasin by using an experimental method involving the two study groups namely experimental class and control class with the research design used is the posstest only control group design. The sample in this study were 48 samples consisting of an experimental class 23 students and a control class 25 students. Instrument used to collect data were questionnaires of thinking skill. The result showed that learning with worksheet based on an inductive approach can improve students’ critical thinking skills in learning the material solubilty and solubility results  at  SMA  Negeri  12  Banjarmasin.  This  can  be  seen  in  the  results  of hypothesis testing using the Mann Whitney test. The results obtained are sig value of 0,036, which states that H0 is rejected and H 1 is accepted, this is because  sig < 0,05.


Author(s):  
Shazia Sarwar ◽  
Muhammad Samiullah ◽  
Fazal-ur- Rahman

Abstract This study was conducted to determine the effect of Cognitive Acceleration Programme on the critical thinking skills of 9th graders. The posttest only non-equivalent control group design was used. Two sections of class 9th were selected conveniently for experimentation. There were 80 participants (girls) in the experiment. There were 30 intervention lessons in the experimental classrooms. The posttest was designed based on Cornell Critical thinking test. Test was validated by experts from the Faculty of Education, Allama Iqbal Open University Islamabad. The data were analyzed by the SPSS. The independent sample t-statistics were applied for control and experimental groups separately. The t-value for the comparison of performance of experimental and control group in sub-skills of critical thinking i.e., inference, deduction, assumption, interpretation, and argumentation showed significant difference. The results showed that critical thinking skills can be developed significantly through cognitive acceleration programme. So, the thinking science activities were recommended to science educators to incorporate into the classroom to accelerate critical thinking of students. Keywords: Cognitive Acceleration, Critical Thinking, Inference, Deduction, Assumption, Interpretation, Argumentation


2020 ◽  
Vol 4 (3) ◽  
pp. 440
Author(s):  
I Made Ego Teja Buana ◽  
I Gede Astawan

The Low Learning Thinking of students in learning Mathematics becomes a major problem in this research. This is caused by the learning model used which is incorrect and less varied. This study analyzed the influence of Problem Based Learning (PBL) models based on Catur Pramana on critical thinking skills with numerical ability control. This research was a quasi-experimental, with Posttest Only Control Group Design. The population in this study were all fifth-grade elementary schools with 177 students. The data collection method was done by using multiple-choice tests and essay tests. The data obtained were analyzed using the ANAKOVA test (covariance analysis) with the help of SPSS 20.0 for windows. The results of this study are significant results of the Problem Based Learning Model (PBL) based on Catur Pramana on critical thinking skills with Fcount 29,219 with sig; = 0,000 <0.05, there is a significant effect of Problem Based Learning (PBL) model based on Catur Pramana on mathematical thinking skills after obtaining numerical ability of students who obtain Fcount 9,398 with sig. = 0.004 <0.05; and are considered significant who have numerical ability to critical thinking skills of 35.05%. Based on these findings, it can be concluded that the Problem Based Learning Model based on Catur Pramana proves positive and there is a contribution of numerical ability to the critical thinking ability of Mathematics studentsl.


Author(s):  
Baiq Mirawati ◽  
Rini Meilani ◽  
Hunaepi Hunaepi

This study aims to determine the effect of the problem-based learning model (PBL) with a scientific approach to critical thinking skills of class X students of Al-Ma’arif Pandan Indah Islamic High School 2016/2017 academic year. The type of research used is quasi-experiment with Nonequivalent control group design. The population in this study were all students of class X Islamic High School Al-Ma’arif Pandan. The sample used consisted of two classes taken using nonprobability sampling techniques, namely class XA as the experimental class, and class XB as the control class. The technique of collecting data on the implementation of RPP using the observation sheet and critical thinking skills of students was measured using a test in the form of a description question that had been validated by 2 expert experts. Data analysis of critical thinking skills carried out by t-test found that t-count = 2.58> 2.042. Based on the results of the analysis it can be concluded that the problem-based learning model with a scientific approach significantly influences students' critical thinking skills.


Author(s):  
Ari Wariyanti

ABSTRACTThis research aims to know the effect of inquiry learning model toward critical thinking skill and learning result of fourth grade student of Elementary School. The type of research is experiment research with form of research is pretest-posttest control group design. The research data was obtained as follows:  the ttest score (13,539) > ttable (1,686) and mean score in experiment class is 91,2500 higher than the critical thinking skills of students in the control class 57,7083. So, there are effect of inquiry learning model toward student’s critical thinking skill. As for the second hypothesis testing was shown with ttest score (4,459) > ttable (1,686) with mean score in experiment class is 87,5000 higher than student’s learning results in control class 75,7500. So, there are effect of inquiry learning model to student’s learning result. Based on the discussion of research results, it can be concluded that inquiry learning model has an effect to student’s critical thinking skills and student’s learning result in significant. Keywords: Inquiry Learning Model, Critical Thinking Skills, Learning Result. ABSTRAK                                                                                          Penelitian ini bertujuan untuk mengetahui pengaruh model pembelajaran inkuiri terhadap kemampuan berpikir kritis dan hasil belajar siswa kelas IV SD.  Jenis penelitian yang dilakukan adalah penelitian eksperimen dengan desain penelitian pretest-posttest control group design. Data hasil penelitian yang diperoleh sebagai berikut: nilai thitung (13,539) > ttabel (1,686) dan nilai mean pada kelas eksperimen sebesar 91,2500 lebih tinggi dibandingkan dengan kemampuan berpikir kritis  siswa pada kelas kontrol yaitu sebesar 57,7083. Jadi, ada pengaruh model pembelajaran inkuiri terhadap kemampuan berpikir kritis siswa. Sedangkan untuk pengujian hipotesis kedua menunjukkan nilai thitung (4,459) > ttabel (1,686) dengan nilai mean pada kelas eksperimen sebesar 87,5000 lebih tinggi dibandingkan dengan hasil belajar siswa pada kelas kontrol yaitu 75,7500. Jadi, ada pengaruh model pembelajaran inkuiri terhadap hasil belajar siswa. Berdasarkan diskusi hasil penelitian, dapat disimpulkan bahwa model pembelajaran inkuiri berpengaruh terhadap kemampuan berpikir kritis siswa dan hasil belajar siswa secara signifikan. Kata-kata Kunci: model pembelajaran inkuiri, kemampuan berpikir kritis, hasil belajar.


Critical and creative thinking is important skills to students in the era of 21st century. This study aims to identify the effect of teaching approach called STEM-7E learning cycle on critical thinking skills and creative thinking skills. The study was carried out at two different schools in Indonesia. This study employed quantitative study using quasi experimental approach. The participants were divided into two groups which called experimental and control group. Two instrument were used in this study which were Critical Thinking Skills Test and Creative Thinking Skills Test. The Critical Thinking Test consists of three constructs which were interpretation, analysis and inference. The alpha Cronbach of critical thinking instrument is .937. The other instrument for this study is Creative Thinking Skills Test which consists of four construct; creative fluency, flexibility, originality, and elaboration. The alpha Cronbach’s creative thinking skill test is .803. Both study were analysed by using mean, t-test, ANCOVA, N-gain, and effect size. As a conclusion, this study shows that the use of STEM-7E learning cycle show significance differences in increasing student critical thinking skill. On the other hand, there was significance differences between STEM-7E learning cycle and 7E learning cycle in increasing students’ creative thinking.


2018 ◽  
Vol 9 (1) ◽  
pp. 21
Author(s):  
Metta Kisti Dewi Renjani ◽  
Susilawati Susilawati ◽  
Nur Khoiri

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.


2019 ◽  
Vol 14 (3) ◽  
pp. 108
Author(s):  
Nurussaniah Nurussaniah ◽  
Ira Nofita Sari

The objective of this study is to determine the applied inquiry learning to improve the students’ critical thinking skills. This study uses non-equivalent control group design. Students in this study were divided into two class activities. The experimental class was treated with the application of inquiry learning, whereas the control class was given the conventional learning. In this study, the students’ critical thinking skill is obtained through a test. The test used was a critical thinking skill test consisting of five questions with the following indicators, namely: completing information, finding and defining problems, recognizing assumptions and formulating hypothesis. The result shows that the gain value in the experimental class is higher than the gain value in the control class. It indicates that the improvement of students’ critical thinking skills in the experimental class is higher than the students’ critical thinking skills in the control class. Therefore, it can be said that the application of inquiry learning provides a more significant improvement than conventional learning. The students’ critical thinking skills show an increase at the medium category on the aspect of completing information, recognizing assumption and formulating hypothesis. Meanwhile, on aspect of finding and defining problem, students’ critical thinking skills show an increase at the low category or it can also be said it does not show any increase.


2019 ◽  
Vol 3 (1) ◽  
pp. 31-46
Author(s):  
Dadang Iskandar ◽  
Deasy Rahmawati ◽  
Acep Roni Hamdani

The purpose of this study was to determine the effect of the application of Value Clarification Technique (VCT) to ecoliteracy and critical thinking skills of elementary school students in learning Social Science. The method used in this study is a quasi experimental design with non-equivalent control group design, using the two study groups. Subjects in this study were students of class IVSDN Cijerah Indah, Bandung Kulon District Bandung City. The experimental group was given the treatment of learning Value Clarification Technique (VCT) and the control group was given conventional learning. The results showed that in general there is a difference between learners ecoliteracy experimental class and control class and critical thinking skills among learners experimental class and control class after each class has been getting treatment that has been set.


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


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