scholarly journals UPAYA MENINGKATKAN AKTIVITAS BELAJAR DAN KEMAMPUAN BERPIKIR KRITIS SISWA DENGAN MENERAPKAN MODEL DISCOVERY LEARNING DI KELAS XI IPA 3 SMA N 9 KOTA BENGKULU

2020 ◽  
Vol 3 (1) ◽  
pp. 75-82
Author(s):  
Putri Melatiya ◽  
Nyoman Rohadi ◽  
Dedy Hamdani

ABSTRAK Penelitian ini bertujuan untuk meningkatkan kemampuan berpikir kritis siswa pada konsep suhu, kalor dan perpindahan kalor. Penelitian ini merupakan penelitian tindakan kelas yang terdiri dari tiga siklus. Setiap siklus terdiri dari empat tahap yaitu perencanaan, pelaksanaan tindakan, observasi, dan refleksi. Subjek dalam penelitian ini adalah seluruh siswa kelas XI IPA 3 yang berjumlah 26 siswa. Instrumen yang digunakan adalah lembar observasi untuk aktivitas belajar siswa dan soal tes kemampuan berpikir kritis siswa. Hasil penelitian ini menunjukkan bahwa aktivitas belajar siswa pada siklus I dengan rata-rata skor sebesar 25 dalam kategori baik, siklus II sebesar 27,5 dalam kategori baik, dan siklus III sebesar 29 dalam kategori baik. Hasil tes ketemampuan berpikir kritis siswa skor rata-rata kelas per siklus mengalami peningkatan tiap siklusnya. Pada siklus I diperoleh hasil sebesar 70,57 dengan kategori cukup, siklus II diperoleh hasil sebesar 82,30 dengan kategori baik, pada siklus III diperoleh hasil sebesar 90,57 dengan kategori sangat baik. Berdasarkan hasil penelitian dapat disimpulkan bahwa penerapan model Discovery Learning dapat meningkatkan kemampuan berpikir kritis dan aktivitas belajar siswaKata Kunci : Model Discovery Learning, Aktivitas Belajar Siswa, Kemampuan Berpikir Kritis ABSTRACT This research was aimed to improve students' critical thinking skills on the concepts of temperature, heat and heat transfer. This research was a classroom action research that conducted in four stages, namely planning, implementing actions, observing, and reflecting. The subjects in this study were all students of class XI IPA 3, amounting to 26 students. The instrument used was an observation sheet for student learning activities and test questions for students' critical thinking skills. The results of this study indicated that student learning activities in the first cycle with an average score of 25 in the good category, the second cycle of 27.5 in the good category, and the third cycle of 29 in the good category. The results of students' critical thinking skills test scores on average per class has increased each cycle. In cycle I obtained results of 70.57 with enough categories, cycle II obtained results of 82.30 with good categories, in cycle III obtained results of 90.57 with very good categories. Based on the results of the study it can be concluded that the application of discovery learning models can improve critical thinking skills and student learning activitiesKeywords: Discovery Learning Model, Student Learning Activities, Critical Thinking Ability

2020 ◽  
Vol 3 (2) ◽  
pp. 114
Author(s):  
Oktariani Oktariani ◽  
Asyti Febliza ◽  
Nurul Fauziah

This research was conducted to identify and describe prospective teachers’ critical thinking skills profile as readiness to face the industrial revolution 4.0. This research was a descriptive research. Research subjects were  chemistry education students who are prospective chemistry teachers. The instruments used in this study were the Critical Thinking Ability Test and Critical Thinking Ability Questionnaire. The instrument used is valid and reliable. The results of the study showed that the critical thinking skills of prospective chemistry teacher students are still in sufficient criteria with average score 46,7. It was also found that students' critical thinking skills in 5th  semester  were better than those in semester 3rd and 1st with average score 57,46 and 41. This result was also supported by differences in student performance for each indicator of critical thinking skills. Chemistry students show better performance on indicators of building basic skills compared to other critical thinking skills indicators. Meanwhile, the indicators on building strategies and tactics of chemistry education students still showed  poor performance than other indicators. This needs to be improved immediately in order to prepare prospective chemistry teachers who are ready to compete in facing the industrial revolition 4.0. Improvements can be made by designing learning methods, teaching materials and evaluation tools that can improve students' critical thinking skills.Keywords: critical thinking skill, education 4.0., prospective chemistry teachers, revolutioanl industry 4.0ABSTRAK.Penelitian ini dilakukan untuk mengidentifikasi dan mendeskripsikan profil keterampilan berpikir kritis calon guru kimia sebagai kesiapan dalam menghadapi revolusi industri 4.0. Penelitian ini merupakan penelitian deskriptif. Subjek penelitian merupakan mahasiswa pendidikan kimia yang merupakan calon guru kimia. Instrumen yang digunakan dalam penelitian ini adalah tes keterampilan berpikir kritis dan kuisioner keterampilan berpikir kritis. Instrumen yang digunakan sudah valid dan reliabel.  Hasil penelitian menunjukkan bahwa keterampilan berpikir kritis calon guru kimia masih berada pada kriteria cukup yaitu dengan skor rata-rata 46,7. Selain itu juga ditemukan bahwa keterampilan berpikir kritis mahasiswa semester 5 lebih baik dibandingkan semester 3 dan semester 1 dengan skor rata-rata masing-masingnya yaitu 57, 46 dan 41.  Hasil ini juga didukung dengan adanya perbedaan performa mahasiswa untuk masing-masing indikator keterampilan berpikir kritis. Calon guru kimia menunjukkan  performa yang lebih baik pada indikator membangun keterampilan dasar dibandingkan dengan indikator keterampilan berpikir kritis lainnya. Sementara itu, pada indikator membangun strategi dan taktik calon guru kimia masih menunjukkan performa yang kurang baik dibandingkan dengan indikator yang lainnya. Hal ini perlu segera diperbaiki guna mempersiapkan calon guru kimia yang siap bersaing menghadapi era revolusi industri 4.0. Perbaikan dapat dilakukan dengan cara merancang metode pembelajaran, bahan ajar dan alat evaluasi yang dapat mengasah keterampilan berpikir kritis peserta didik. Kata kunci: calon guru kimia, keterampilan berpikir kritis, pendidikan 4.0, revolusi industri 4.0


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.


2020 ◽  
Vol 6 (2) ◽  
pp. 219-224
Author(s):  
Nita Mustika Sari ◽  
Siti Masfuah ◽  
Sekar Dwi Ardianti

This study aims to describe the TGT model assisted by petting games to improve students' critical thinking skills. This class action research will be carried out in class IV SDN Pati Wetan 03 with research subjects 35 students and teachers planned in 2 cycles. Data collection techniques in this study were observation, interview, documentation, and test techniques. Analysis of the data used is quantitative and qualitative analysis. Results Increased student learning activities attitudes in the first cycle of 75.5 and increased in the second cycle to 80.5. Whereas the students' learning activities aspects of skills in the first cycle amounted to 70.5 and increased in the second cycle to 79.7. Increased students' critical thinking skills in the first cycle by 70.2 and increased in the second cycle to 81.6. The results of the study can be concluded that the results of the application of the model assisted by plete playing media can improve students' critical thinking skills. Keywords: Teams Games Tournament, Pletokan Games, Critical Thinking Ability


2019 ◽  
Vol 3 (2) ◽  
pp. 165
Author(s):  
Nurul Hidayah ◽  
Witri Anisa

The purpose of this study is to improve students' motivation and critical thinking skills through think pair share model that is supported by used materials. Critical thinking ability is needed by students to be able to solve problems. To measure students’ motivation, this study used questionnaires and to measure students' critical thinking skills, this study applied a test. The results show that from the average score of motivation, students' learning motivation reaches 59.8% in the first cycle of study and this proves that there is no significant improvement in students’ motivation. Then, it increases up to 78,6 in the second cycle and 86.7% in the third cycle which means that students’ motivation increases significantly. In relation to students’ critical thinking skills, it is seen that there is a significant improvement in each skills, in which the average score of the test in cycle I is 54,2% and it increases up to 65,7% in cycle II and 83,8% in cycle III with the achievement score of 85%. From these results it can be concluded that there is an increase in students’ learning motivation and critical thinking skills through think pair share models supported with used material.


2020 ◽  
Vol 15 (5) ◽  
pp. 1099-1106
Author(s):  
Triyo Supriyatno ◽  
Samsul Susilawati ◽  
Hassan Ahdi

The research paper presented to explore valid, practical, and effective e-learning media. Reflectig the purpose of paper, this study is  to improve critical thinking skills, to obtain an overview  at high levels and  increasing students' critical thinking skills including ability. The hypothesis is as a rational decision-making process on what believed is, through the aspect of providing basic explanations, building basic skills, concluding, making further explanations, and strategies and tactics in the lesson planning course, at the Faculty of Tarbiyah and Teacher Training at UIN Maulana Malik Ibrahim Malang. The paper explained ADDIE development model which included the design, development, analysis, implementation and evaluation stages which reffered research and development (R & D). The data for testing e-learning media in learning and tests of critical thinking skills carried out from fourth-semester students . The study used the One Group Pretest-Posttest Design for trial design. The results concluded the average percentage of feasibility value of the e-learning media from the three validators was 86.6% with very feasible criteria, the critical thinking ability instrument was 79.9% through feasible criteria. E-learning media used in a limited trial that obtained an average score of 82.4% for lecturers and students with  practical criteria. E-learning media is improving critical thinking skills  effectively which indicated  changes in students and critical thinking test presented the results from 56.7 to 81.3. The findings showed that the  e-learning media is valid, practical, and an effective criteria to improve students' critical thinking skills. Keywords: E-learning,  learning strategies, critical thinking skills, tactics;  


2021 ◽  
Vol 13 (1) ◽  
pp. 60-68
Author(s):  
Risma Siahaan ◽  
◽  
Marham Sitorus ◽  
Saronom Silaban ◽  
◽  
...  

This study aims to determine the feasibility of teaching materials oriented critical thinking ability grade XI SMA developed. This research includes research and development with 3D development model (define, design and develop). The teaching materials developed were validated based on aspects of material feasibility, language and media by experts using validation sheets in accordance with BSNP standards and then the validated teachng materials were distributed to two teachers and grade XI students at Sultan Agung Private High School and SMAN 1 Pematangsiantar to find out the response of teachers and students using questionnaires. The results of the study found that expert validation of teaching materials developed has an average score of 4.17 in terms of content feasibility, 4.20 for the aspect of presentation feasibility, 4.33 for the linguistic aspect and 4.19 from the aspect of graphation. While students' response to critical thinking ability-oriented module teaching materials had average scores of 3.80 and 3.82 and teacher responses averaged a score of 4.27, judging by interest indicators, material indicators and language indicators. These results show that the critical thinking ability-oriented teaching materials developed have met valid and good criteria for use. Keywords: Teaching materials, Critical yhinking skills, Chemical equilibrium, 3D models


2018 ◽  
Vol 6 (1) ◽  
pp. 39
Author(s):  
Arif Fadillah ◽  
Yennita Yennita ◽  
Muhammad Sahal

Critical thinking is one of the high-level thinking stages that can be interpreted as a process of thinkingprecisely, directed, reasoned, and reflective in decision-making that can be trusted. This study was aimed todetermine the improvement of critical thinking skills toward Guided Discovery Learning model of grade VIIIstudents at MTs Al-Huda Pekanbaru on light material. The type of research used was experimental research.Descriptive analysis was used to analyze the data. This analysis gave the description about influence ofGuided Discovery Learning model toward student's critical thinking ability. The subjects of this study were58 students. The data was collected based on critical thinking skill's test result which consisted of 15 essayquestions for 5 indicators after Guided Discovery Learning model was applied on experiment class andconventional model on control class. Mean score of sudents' critical thinking ability on experiment class was78.45 which was in a high category and average score of students' critical thinking skill on control class was70.52 which was in low category. Based on the result of students' critical thinking skill, it can be concludedthat there was an improvement of critical thinking ability after guided discovery learning model was appliedby 11.24% compared to conventional learning model.


2021 ◽  
Vol 1 (4) ◽  
pp. 641-647
Author(s):  
Lalu Irfan Abdul Manaf ◽  
Nyoman Sridana ◽  
Arjudin Arjudin ◽  
Sripatmi Sripatmi

The background of this research is, there is no learning model that can optimally support critical thinking skills, so it takes an innovative learning model. In this case, the researchers used web helped to guide discovery learning model to improve the critical thinking skills of the student in class X SMAN 4 Praya in academic year 2019/2020. This study aimed to find an effect of web assisted guided discovery learning on trigonometry material to critical thinking ability of the student in class X SMAN 4 Praya in academic year 2019/2020. This study use a quantitative research approach to the type of experimental research. In this experiment the researchers used a quasi-experimental, and uses two classes as a research, the experimental class and control class. The population of this research is all the student in class X SMAN 4 Praya and and choose two class as a sample class that is X MIPA 5 as a experimental class and X MIPA 3 as control class. Student in experimental class used web assisted guided discovery learning model and in control class used guided discovery without web assisted. The result of the research showed that the average of critical thinking ability in the experimental class is better than control class which is in the experimental class is in the less effective category and control class in ineffective category.


2020 ◽  
Vol 8 (1) ◽  
Author(s):  
Mentari Miswari ◽  
Melva Silitonga ◽  
F Fajriyah

 This study aims to determine students' critical thinking abilities in SMA Swasta Budisatrya Medan in ecosystem material. The ability to think critically is then analyzed based on indicators and compared with gender. The method used in this research is descriptive method with quantitative and qualitative approaches. The research sample is 69 students. The instrument of data collection is a test of critical thinking skills. Tests are given after students get material from the subject teacher. The technique used to process the scores obtained is to use a benchmark reference assessment technique (PAP). The results showed that students' thinking skills in ecosystem material were on average medium criteria, followed by low categories, then high and only 4 students who had critical thinking skills in the very high category. Overall, students' critical thinking skills are in the medium category. The highest critical thinking ability of students is on the indicators of strategy and tactics with moderate criteria, followed by conclusions, and provides a basic explanation. Furthermore, the lowest critical thinking ability of students is in the indicators of building basic skills and followed by making further explanations. The critical thinking ability of female students is higher than that of male students with an average score of 73 and is in the criteria of being moderate. While the average value of critical thinking skills of male students is only 64 and is in the low criteria. There is no significant difference between the critical thinking abilities of male and female students. 


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