scholarly journals The Effect of Cognitive Acceleration Programme on Critical Thinking of Science Students at Secondary Level

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 8 (4) ◽  
pp. 402
Author(s):  
Ahmad Hanan ◽  
Muhammad Muhlisin ◽  
Taufik Suadiyatno

The significance of reading comprehension for learners’ English mastery makes English teachers need to help learners to activate their background knowledge related to texts being read and promote the use of reading techniques. In this study, researchers applied the genre-based directed reading thinking activities (G-BDRTA). Genres here are oriented to provide learners with various text types for reading activities. Consequently, this study was aimed at actuating learners’ reading comprehension through genre-based directed reading thinking activities (G-BDRTA) viewed from critical thinking skills. This study was classified as an experimental study using non-equivalent control group design. This study was conducted at SMAN 1 Lingsar. There were 62 learners involved in this study. The learners were divided into two groups and each group embraces 31 learners. One group becomes an experimental group which is subjected to the G-BDRTA strategy and the other group is subjected to the control group treated using student-team-learning (STL) strategy. To find out the data, researchers used a reading test and critical thinking test as research instruments. Then, the data were analyzed using Two-Way-ANOVA. Based on the data analysis, there is a significant effect of G-BDRTA strategy on students’ reading comprehension viewed from critical thinking skills.


2020 ◽  
Vol 3 (1) ◽  
pp. 51-56
Author(s):  
Retno Triningsih ◽  
Mawardi Mawardi

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.


2019 ◽  
Vol 5 (15) ◽  
pp. 337-342
Author(s):  
Muhibbuddin MUHİBBUDDİN ◽  
Suhrawardi ILYAS ◽  
Cut Eka PARA SAMYA

Critical thinking skills and scientific behaviors are important abilities that must be mastered and possessed by students in solving problems. The problem which frequently faced by students is they have been able to comprehend the science but have not been able to provide conclusions logically and systematically. The phenomenon shows the low critical thinking skills and scientific behaviors of students. To overcome these problems, it needs a change in the process of delivering learning material to students. This research aims to answer the question of whether learning through the implementation of the predict observe explain model has an effect on improving student critical thinking skills and scientific behaviors. The method used in this research is an experimental design pretest posttest control group. The parameters measured were critical thinking skills and scientific behaviors. Improvement of critical thinking skills and scientific behaviors was measured by calculating gain normalization (n-gain). The instruments used were the observation sheet and objective tests with five alternative answers. Data collection is done through pretest, posttest and observation during the learning process. Analysis of critical thinking skills was done by comparing the initial ability with the final ability of students and tested the significance of the two different tests on average using independent simple t-test. The results of the study indicated that the initial ability of thinking skills between the experimental and control classes did not have a significant difference, while the final ability showed significantly different results. Based on these results, it can be concluded that the implementation of the the predict observe explain model contribute in student critical thinking skills and scientific attitudes. Keywords predict observe explain, critical thinking, , scientific behavior


2019 ◽  
Vol 2 (2) ◽  
pp. 245-253
Author(s):  
Isma Yunita ◽  
Alinis Ilyas

Abstract: The use of electromagnetic induction teaching aids is designed to create students who are active in the learning process so that they can improve their critical thinking skills. The ability to think critically is a reasonable and reflective thought that focuses on deciding what must be done. This study aims to determine the effectiveness of using teaching aids on students' critical thinking skills. The type of research conducted in this study was a quasy experiment with a non equivalent control group design. The population in this study was class XII MA Mathla'u Anwar Gisting. The sampling technique uses purposive sampling. With class XII IPA 1 as the experimental class and class XII IPA 2 as the control class. To measure the critical thinking skills of students, tests were carried out with 10 questions about essays and knowing the feasibility of using electromagnetic induction teaching aids can be done by observation. Furthermore, the data was tested using the normality, homogeneity, and T test. The results of the statistical tests showed a significant level <0.05, which means that H0 was rejected and H1 was accepted. The results showed that there was effectiveness in using teaching aids on students' critical thinking skills in electromagnetic induction material.Abstrak: Penggunaan alat peraga induksi elektromagnetik dirancang untuk menciptakan peserta didik yang aktif didalam proses pembelajaran sehingga dapat meningkatkan kemampuan berpikir kritis. Kemampuan berpikir kritis merupakan sebuah pemikiran yang masuk akal dan reflektif yang berfokus untuk memutuskan apa yang mesti dilakukan. Penelitian ini bertujuan untuk mengetahui efektivitas penggunaan alat peraga terhadap kemampuan berpikir kritis peserta didik. Jenis penelitian yang telah dilakukan dalam penelitian ini adalah quasy experiment dengan desain non equivalent control group. Populasi pada penelitian ini adalah kelas XII MA Mathla’u Anwar Gisting. Teknik pengambilan sampel menggunakan purposive sampling. Dengan kelas XII IPA 1 sebagai kelas eksperimen dan kelas XII IPA 2 sebagai kelas kontrol. Untuk mengukur kemampuan berpikir kritis peserta didik dilakukan tes dengan soal esay berjumlah 10 soal serta mengetahui keterlaksanaan dalam penggunaan alat peraga induksi elektromagnetik dapat dilakukan dengan observasi. Selanjutnya data di uji dengan menggunakan uji normalitas, homogenitas, dan uji T. Hasil uji statistik menunjukkan taraf signifikan < 0,05 yang berarti H0 ditolak dan H1 diterima. Hasil penelitian menunjukkan bahwa terdapat keefektivitasan penggunaan alat peraga terhadap kemampuan berpikir kritis peserta didik pada materi induksi elektromagnetik


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.


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


2017 ◽  
Vol 5 (2) ◽  
Author(s):  
Rahmania, Any Fitriani ◽  
Ida Kaniawati

This study was aimed to identify student’s critical thinking skills through the use of integrated sciences teaching materials on pressure topic. This study was conducted at one of SMP in Cimahi, West Java, Indonesia for the 2015/2016 academic year. It used experimental method with nonequivalent pretest-posttest control group design. There were two classes involved, the experiment class where the students using the integrated sciences teaching materials, while the control class using conventional teaching materials provided at school. Data was respectively collected and analyzed by using student’s critical thinking skills test and data analysis tools SPSS version 21. The result shows that there is a significant difference in student’s critical thinking in student taught using integrated sciences teaching materials those taught with conventional teaching materials. It can be concluded that there is improvement in critical thinking skills of students in the experiment class compared to the control class. In addition, this study provided of positive impacts on student’s active learning and independent learning.


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.


2021 ◽  
Vol 8 (3) ◽  
Author(s):  
İsmail EVCİM

In this study, to examine the change in individuals' critical thinking skills, a new unit was developed in which STEM was integrated. The outcomes of this 7th-grade unit were selected from related disciplines. During the learning process of the developed Force and Energy unit, it was aimed that individuals could make judgments by gaining critical thinking skills and evaluate events in a multi-dimensional way. In this study, which lasted for five weeks, the developed unit was used to conduct lessons with the experimental group (N=25) while the control group (N=25) was traditionally taught. The Critical Thinking Scales developed by Demir (2006a) were used in the research process. Before the implementation, no significant difference was found between the experimental and control groups regarding critical thinking skills, but after the implementation, a significant difference was observed in favour of the experimental group. When the scores obtained from the sub-scales (interpretation and explanation) were compared, a significant difference was found in favour of the experimental group. When the changes in the experimental and control groups were examined, there was no significant change in the control group students, but a significant change was found in favour of the experimental group. These changes occurred in the evaluation, Interpretation, and explanation sub-scales of the critical thinking scale.


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.


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