scholarly journals Effect of Application of Learning Model Group Investigation on Critical Thinking Ability of Mathematical High School Students

2019 ◽  
Author(s):  
Sadikin Sadikin ◽  
Fahinu Fahinu ◽  
Ruslan Ruslan ◽  
Kadir Kadir

Critical thinking skills of mathematics students are still low. Teachers lack training critical thinking ability ofstudents during learning. This study aims to examine differences influence learning model group investigationandconventional learning models to the critical thinking skills of mathematics students. The research design was pretestposttest control group design. The study population was all students in grade X SMAN 3 Kendari comprising 9 parallelclasses. Samples were taken by purposive sampling, such as taking two classes that have the mathematical ability and thevariance is relatively the same. Both classes were then randomized to determine the experimental class (34 students) andcontrol class (32 students). Data collected through the provision of critical thinking skills tests as essay test form. Datawas analyzed by descriptive and inferential test using t test at the 0.05 significance level. The results showed that: (1)there is an effects of the application of learning model group investigation of the critical thinking skills of mathematicsstudents with an average N-Gain of 0.55 (medium); (2) there is an effect of the application of conventional learningmodels to the critical thinking skills of mathematics students with an average N-Gain of 0.283 (low); and (3) applicationof the learning model group investigation is more influential than the application of conventional learning model tomathematics students' critical thinking skills.

2018 ◽  
Author(s):  
Sadikin

Critical thinking skills of mathematics students are still low. Teachers lack training critical thinking ability of students during learning. This study aims to examine differences influence learning model group investigation and conventional learning models to the critical thinking skills of mathematics students. The research design was pretest-posttest control group design. The study population was all students in grade X SMAN 3 Kendari comprising 9 parallel classes. Samples were taken by purposive sampling, such as taking two classes that have the mathematical ability and the variance is relatively the same. Both classes were then randomized to determine the experimental class (34 students) and control class (32 students). Data collected through the provision of critical thinking skills tests as essay test form. Data was analyzed by descriptive and inferential test using t test at the 0.05 significance level. The results showed that: (1) there is an effects of the application of learning model group investigation of the critical thinking skills of mathematics students with an average N-Gain of 0.55 (medium); (2) there is an effect of the application of conventional learning models to the critical thinking skills of mathematics students with an average N-Gain of 0.283 (low); and (3) application of the learning model group investigation is more influential than the application of conventional learning model to mathematics students' critical thinking skills


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 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 10 (2) ◽  
pp. 213-224
Author(s):  
Titania Mega Rizti ◽  
Erlina Prihatnani

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.


2021 ◽  
Vol 16 (3) ◽  
pp. 1290-1299
Author(s):  
Gunawan Adnan ◽  
Teuku Zulfikar ◽  
Muhammad Siddiq Armia ◽  
Syahbuddin Gade ◽  
Warul Walidin

This article describes the effects of inquiry learning model on college students’ cognitive and critical thinking skills. The research aims at understanding the extent inquiry learning model improves the college students’ cognitive and critical thinking skills in the lessons of educational philosophy and exploring students’ responses to the model. This is a pre-experimental research design, using the one group pretest-posttest design. The samples of the study were an intact class, the experimental group and no control group is needed. The data was analysed using independent test samples t-test and Normalized Gain test. The Research found that the inquiry model is effective in improving college students’ cognitive and critical thinking ability in an educational philosophy class. Overall, the N-Gain indicator of cognitive ability increased by an average of 0.66, and the N-Gain indicator of critical thinking skills increased by an average of 0.63.                                                                                                                                                                                                                                                         Keywords: Congnitive skill, Critical thinking, Inquiry learning, Educational Philosophy, College Student


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.


2017 ◽  
Vol 6 (2) ◽  
pp. 234 ◽  
Author(s):  
Muhammad Ikhsan ◽  
Said Munzir ◽  
Lia Fitria

The aims of this study are to determine the improvement of critical thinking skills mathematical and metacognition of students who are taught with problem solving approach and the correlation between mathematical critical thinking and metacognition of students. This research is an experimental research with pretest-posttest control group design. The sample this research is the students of class VIII_2 and VIII_3 in SMP Negeri 1 Banda Aceh. Collecting data technique are test and nontest. Data were analyzed using t-test and correlation test. The result of the research shows 1) the critical thinking ability of the students who get the learning through problem solving approach is better than the students who get the conventional learning, 2) Metacognition of students who get the learning by using problem solving approach is better than the students who get the conventional learning, 3) a positive and significant relationship between students' metacognition and critical thinking skills.


2015 ◽  
Vol 4 (2) ◽  
pp. 55
Author(s):  
Ferawati Hutapea ◽  
Motlan .

The purpose of research are 1). To know are differences in science process skills of students with the applied of inquiry training learning model and direct instruction learning models, 2). To know are differences in science process skills of students who has high critical thinking ability and the  critically low ability, 3). To know the interaction inquiry training learning model and critical thinking ability toward students science process skills. The samples in this research conducted by cluster random sampling and  as many as two class , the first class (X-I) as experiment applied Inquiry Training learning model and the second class (X-2) as control class applied Direct Intruction learning model. The instrument used in this research is tests science process skills and critical thinking skills in the form of description and observation sheets science process skills. From these results it can be concluded that: 1) there are differences in students science process skills with applied inquiry training model and direct intruction model, 2) science process skills of students with high critical thinking ability is better than the science process skills of students with the ability to think critically low, and 3) the interaction inquiry training learning model and critical thinking ability toward the science process skills.


Author(s):  
Sri Rahayu

<p><em>This type of research is classroom action research. The purpose of this study was to improve critical thinking skills in science by applying the Discovery Learning model. The results showed that the application of the Discovery Learning model can improve critical thinking skills in science. The percentage of critical thinking skills in the very good, good, adequate, and poor categories. In pre-cycle it was 41%, cycle I was 68%, increased in cycle II to 86%, and increased again in cycle III was 95%.</em><em></em></p>


Author(s):  
Sutrisno Sutrisno ◽  
Sa’ad Konaah ◽  
Intan Indiati

This research is motivated by mathematical critical thinking skills and students' learning independence that is not yet optimal becomes something that teachers need to pay attention to their students by providing an appropriate learning model to foster this. Based on the 2013 curriculum advocates the development of learning outcomes in cognitive and affective components developed simultaneously and proportionally. This study aims to determine the effectiveness of Jigsaw type cooperative learning models on mathematical critical thinking skills and student learning independence. This type of research is a quasi-experimental research. This study uses a Pretest-Posttest Control Group Design research design. The research instrument was tested for validation by content validation before being trialled. Data analysis techniques in this study were Multavariate Normality Test, Covariance Matter Homogeneity Test, Hotelling Trace T2 Test and t Test. In the preliminary data analysis, which was taken from the daily test scores and scale sheets of the pretest attitude of students' learning independence, showed there was no difference in the average mathematical critical thinking ability and student learning independence between the experimental class and the control class. In the final data analysis taken from the posttest, it can be concluded that the average mathematical critical thinking ability that uses the Jigsaw type cooperative learning model is better than the conventional learning model. But the results of the study also showed the average independence of student learning using the Jigsaw type cooperative learning model is the same as the conventional learning model.


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