scholarly journals CRITICAL THINKING SKILLS ENHANCEMENT OF STUDENTS THROUGH INQUIRY LEARNING MODEL LABORATORY BASED ON REFLECTION OF THE LIGHT

2018 ◽  
Vol 1 (1) ◽  
pp. 34-41
Author(s):  
Rahmati Rahmati ◽  
Yusrizal Yusrizal ◽  
M. Hasan

 Abstract. This study aims to determine the use of inquiry-based learning model laboratory to increase critical thinking skills of students of SMP Negeri 6 Banda Aceh on light reflection material. The method used is a quasi-experimental control group design with pre-test and post-test design. The population in this study is in the eighth grade students of SMP Negeri 6 Banda Aceh. The sampling technique used purposive sampling technique. As for the samples in the study were students VIII2 as an experimental class, and the class as a class VIII5 control the number of students in each class of 30 people. Experimental class taught by laboratory-based inquiry learning model, and the control class was taught by conventional learning models. Data collected through the research instrument is test critical thinking skills in essay form. Conclusions are drawn based on the results of data analysis and processing using Microsoft Word Exel, 2013. The results of data analysis showed an average score of critical thinking skills and experimental control group was 27.90% (low) and 42.02% (moderate). This result was also confirmed by the t-test, the average difference in the improvement of critical thinking skills (α = 0.05) obtained t (6.10) t table (2.39). These results indicate a laboratory-based inquiry learning model can significantly improve the students' critical thinking skills compared with conventional learning models in light reflection material.Keywords: Model inquiry, and critical thinking skills

2018 ◽  
Vol 2 (2) ◽  
pp. 189-196
Author(s):  
MEZI YULIA ASTUTI ◽  
Heffi Alberida ◽  
Yosi Laila Rahmi

Critical thinking is a purposeful and clear process used in mental activities such as problem solving, decision making, persuading, analyzing assumptions and conducting scientific research. The ability of thinking critically is effected by the competence of knowledge acquired by the students. Based on midterm exam, the result showed that 87,5% of students do not meet the minimum exhaustiveness criteria (KKM). One way that can be condusted to overcome it is applying inquiry learning model.the purpose of this research is to find out the effect of inquiry learning model towards studens’ critical thinking skills. The research is Quasi experiment research by using Randomized Control-Group Research Posttest Only Design. The population is VIII class student in SMPN 11 Padang. The sample is VIII.B students as an experiment class and VIII.C students as a control class, that are selected by purposive sampling technique. The instrument used is final test in form of essays to see the effect of inquiry laerning model of critical thinking ability of students. The hypothesis in this research is examinated by t-test, because the data is distributed normally and it has homogenen variation. Based on the research, the result showed that critical thinkingability t arithmetic > t table (4,23 > 1,67). Therefore, the hypothesis is accepted it can be concluded than applying inquiry learning model can give positive effecttowards students competence of critical thinking ability about excretion system in VIII class SMPN 11 Padang.


2020 ◽  
Vol 2 (1) ◽  
Author(s):  
Maifalinda Fatra ◽  
A Rizki ◽  
Tita Khalis Maryati

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.


2018 ◽  
Vol 4 (1) ◽  
pp. 98
Author(s):  
Lia Nurmayani ◽  
Aris Doyan ◽  
Ni Nyoman Sri Putu Verawati

This study aims to determine the effect of guided inquiry learning model toward critical thinking skills of students. This type of research is quasi experiment with non-equivalent group design. Sampling using purposive sampling technique, so that obtained class XI MIA 1 as experiment class and class XI MIA 2 as control class. The research instrument is a essay test of 5 questions that have been tested for validity, reliability, level of difficulty, and different power of problems. The learning data of the two classes is normally distributed. Based on the homogenity data obtained both homogeneous. Data were analyzed by MANOVA test. Result of data analysis show significance  0,021 if  determined the level of significance 0,05 then 0,021<0,05. Based on these facts it can be concluded that there is influence of guided inquiry learning model toward critical thinking skills of students.


2020 ◽  
Vol 6 (2) ◽  
pp. 244-254
Author(s):  
Deasy Rahmawati ◽  
Ike Annita

ABSTRACT This aims of this study is to comprehend  the increase in the critical thinking skills of PGSD students through the implementation of social inquiry models in elementary social studies education courses. The population of this study were all 3rd semester students of the PGSD FKIP Unla study program. Sampling was carried out by using saturated sampling technique, where all members of the population were sampled, class A01 as a control class that applied conventional learning and class A02 as an experimental class that was treated with social inquiry learning models. The data in this study were obtained through the results of the pretest and posttest using the critical thinking essay test instrument. The results of this study indicate that there are differences in the increase in the critical thinking skills of PGSD students in the SD social studies course after the social inquiry learning model is applied. Beside that, the critical thinking skills of PGSD students in the Elementary Social Sciences Education course after applying the social inquiry learning model are better than the control class using conventional learning methods.   ABSTRAK Penelitian ini bertujuan untuk mengetahui peningkatan kemampuan berpikir kritis mahasiswa PGSD melalui penerapan model inkuiri sosial dalam mata kuliah pendidikan IPS SD.  Populasi dalam penelitian ini adalah seluruh mahasiswa semester 3 program studi PGSD FKIP Unla. Penarikan sampel dilakukan dengan teknik sampling jenuh, dimana seluruh anggota populasi dijadikan sampel, yaitu kelas A01 dijadikan kelas kontrol yang menerapkan pembelajaran konvensional dan kelas A02 dijadikan kelas eksperimen yang mendapatkan perlakuan model pembelajaran inkuiri sosial. Data yang dalam penelitian ini diperoleh melalui hasil pretes dan postes dengan menggunakan instrumen tes uraian berpikir  kritis. Hasil penelitian ini menunjukkan bahwa terdapat perbedaan peningkatan kemampuan berpikir kritis mahasiswa PGSD pada mata kuliah Pendidikan IPS SD setelah diterapkan model  pembelajaran inkuiri sosial. Selain itu, kemampuan berpikir kritis mahasiswa PGSD pada mata kuliah Pendidikan IPS SD setelah diterapkan model  pembelajaran inkuiri sosial lebih baik daripada kelas kontrol yang menggunakan metode pembelajaran konvensional.


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.


Author(s):  
Lailatul Badriyah ◽  
Warsono Warsono ◽  
Ali Haidar

The Jurisprudential Inquiry learning model is a learning model in its application facilitating learners to be sensitive to social problems, take a position on the problem, and maintain that position / attitude with relevant and valid arguments so as to improve students' critical thinking skills. Critical thinking in this research refers to five indicators, namely the ability to form conclusions, formulate questions, uncover problems, formulate alternative solutions. The purpose of this study was to determine the effect of Jurisprudential Inquiry learning model on critical thinking skills of MTs N 1 Situbondo students. This study uses experimental research design with the form of Quasi-Experimental Design with the type of pretest posttest control group design. The sample in this study was class VIII G numbering 22 students and VIII H a number of 24 students with purposive sampling sampling technique. The technique of collecting data uses test questions with the description form. The data analysis technique in this study is to use the independent sample t-test. The results of this study indicate that there is a significant influence on the use of the Jurisprudential Inquiry learning model on students' critical thinking with indicators formulating conclusions, formulating questions, expressing problems and providing alternative solutions. The results of the hypothesis test show tcount 3.362 and ttable with a significance level (5%) 0.05, degree of freedom (db) = (n-2) then obtained t(0.05) (44) table = 2.015. The results of tcount>ttable,which shows the results of 3.362> 2.015. As for the significance level of 5% (0.05) has a significance value α> 0.05, i.e. (2-tailed) 0.694> 0.05., it can be concluded that thelearning model is Jurisprudential Inquiry more influential than themodel Problem Solving on the critical thinking ability of students on the material emergence of national organizations and the growing spirit of nationalism.


Author(s):  
Nia Devi Anggraini ◽  
I Made Astra ◽  
Erry Utomo

The aim of this study is to determine the effect of Inquiry Learning Model and Scientific Literacy toward students’ Critical Thinking Skills in Primary School. This Study was Conducted at SD Islam Al-Ikhwan Tangerang in Fifth Graders. The True Experiment Method with Two Way Anava design (treatment by level 2x2) was implemented in this study. 40 students as the sample was selected by simple random sampling. Students in experimental group were learned through Inkuiri Mandiri model. Meanwhile, in control group, students were learned through Guided Inquiry. Based on data analysis, it was obtained: (1) the student’s critical thinking skills given by Inkuiri Mandiri Model is higher than Guided Inquiry, as evidenced by Fcount (10.93) > Ftable (4.10 ); (2) there is influence of interaction between learning models and scientific literacy toward student’s critical thinking skills, this can be seen from the acquisition price of Fcount (58.926) > Ftable (4.10); (3) student’s critical thinking skills given Inkuiri mandiri Model is higher than Guided Inquiry in group of students with high scientific literacy, with the Tukey-test Qcount Test (10.986) > Qtable (4.33); and (4) student’s critical thinking skills given Inkuiri Mandiri Model is lower than Guided Inquiry in group of students who have low scientific literacy, with the Tukey-test Qcount Test (4.369) > Qtable (4.33).


2020 ◽  
Vol 8 (1) ◽  
pp. 31
Author(s):  
Suhirman Suhirman ◽  
Husnul Khotimah

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.


2019 ◽  
Vol 4 (1) ◽  
pp. 11
Author(s):  
Sebastianus Fedi ◽  
A S Gunsi ◽  
A H Ramda ◽  
B Gunur

<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.


2019 ◽  
Vol 7 (2) ◽  
pp. 157
Author(s):  
Elza Pristy Latifah ◽  
Wahyudi Wahyudi ◽  
Yohana Setiawan

The purpose of this study was to examine the differences in effectiveness of PBL learning models with TPS in terms of the critical thinking skills of elementary school students in mathematics. This research is a quasi-experimental study. In this study, the Non-equivalent Control Group Design design is used to investigate the effects of the two variables used. In this study 19 students at Bacem Elementary School and 19 students at Waru Elementary School, Jepon District, Blora Regency. The two groups were given different treatments, namely the PBL learning model was treated in the experimental group at Bacem SDN, and the TPS model was treated in the control group at Waru Elementary School. Based on the results of the study, H_oditotak and H_a were accepted. The analysis in this study used the Ngain test to determine the increase in the average value of the results of the pretest and posttest. This is based on the results of the NGain analysis showing an increase in value after being given PBL treatment of 0.64, while the increase in value after being given TPS treatment was 0.53. Based on all analysis results, it can be concluded that there are significant differences in effectiveness in this study. Evidently the application of PBL learning models has a higher level of effectiveness when compared to the TPS learning model of the critical thinking skills of fifth grade students in mathematics


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