scholarly journals Peningkatan Kemampuan Berfikir Kritis Mahasiswa Tadris IPA Melalui Pendekatan Saintifik Pada Mata kuliah IPA Terpadu

Author(s):  
Raden Gamal Tamrin Kusumah

AbstrakMata kuliah IPA Terpadu di IAIN Bengkulu merupakan mata kuliah baru bagi mahasiswa Tadris IPA. Hal ini dikarenakan pada tahun 2017/2018 baru ada tiga angkatan. Sehingga, hasil belajar mata kuliah ini tidak terlalu baik. Menurut wawancara dengan salah satu mahasiswa, salah satu penyebabnya adalah kesulitan mengintegrasikan komponen kimia, fisika, biologi secara bersamaan pada satu materi tertentu. Lebih spesifiknya, mahasiswa kesulitan untuk menjelaskan satu materi tertentu yang penjabarannya harus dijelaskan secara komprehensif baik dari segi mata kuliah kimia, fisika, biologi.  Oleh karena itu, penelitian ini bertujuan untuk melakukan perbaikan pembelajaran dan meningkatkan kemampuan berfikir kritis mahasiswa melalui pendekatan saintifik pada mata kuliah IPA Terpadu. Metode penelitian ini menggunakan penelitan tindakan kelas. Pembelajarannya terdiri dari dua siklus. Setiap siklus terdiri dari beberapa tahapan, yaitu; perencanaan, tindakan, observasi dan refleksi. Teknik pengumpulan data yang digunakan adalah observasi dan tes hasil belajar. Waktu dilakukan pada semester genap tahun akademik 2017/2018. Subjek penelitian adalah mahasiswa program studi Tadris IPA semester dua tahun akademik 2017/2018 yang sedang menempuh matakuliah IPA Terpadu. Hasil penelitian menunjukkan bahwa hasil belajar siswa yang dilakukan selama 2 siklus pembelajaran telah meningkat pada siklus yang ke-dua. Selain itu juga kemampuan berpikir kritis mahasiswa dalam pelaksanaan pembelajaran di matakuliah IPA Terpadu melalui pendekatan saintifik dapat terukur dan telah berhasil berdasarkan indikator keberhasilan. Increasing the Critical Thinking Ability of Tadris IPA Students through a Scientific Approach in Integrated Science Courses AbstractThe Integrated Science course at IAIN Bengkulu is a new subject for Tadris IPA students. This is because in 2017/2018 there were only three generations. So, the learning outcomes of this course are not very good. According to an interview with one of the students, one of the reasons is the difficulty of integrating chemical, physical, biological components simultaneously on one particular material. More specifically, students find it difficult to explain one particular material whose translation must be explained comprehensively both in terms of chemistry, physics, biology courses. Therefore, this study aims to improve learning and improve students' critical thinking skills through a scientific approach to Integrated Science courses. This research method uses classroom action research. Learning consists of two cycles. Each cycle consists of several stages, namely; planning, action, observation and reflection. Data collection techniques used are observation and learning outcomes tests. Time is carried out in the even semester of the 2017/2018 academic year. The research subjects were students of the 2017/2018 academic year Tadris IPA study program who were taking the Integrated Science course. The results showed that student learning outcomes carried out during the 2 learning cycles had increased in the second cycle. In addition, students' critical thinking skills in the implementation of learning in the Integrated Science course through a scientific approach can be measured and have been successful based on indicators of success.

2019 ◽  
Vol 3 (2) ◽  
pp. 176
Author(s):  
Susilo Rudi ◽  
Henny Dewi Koeswanti ◽  
Sri Giarti

This study aims to improve critical thinking skills and mathematics learning outcomes of fourth-grade students of SD Tingkir Tengah 02 Salatiga in the second semester of the 2018/2019 academic year. Critical thinking and learning outcomes are low because the teacher uses the lecture method. The author chooses the Open-Ended model assisted by powerpoint media as a solution. Research procedures include planning, action, observation, and reflection. The results showed an increase from the initial condition with 9 students or 25.71% completed and 29 students or 74.29% not complete. The implementation of the first cycle results obtained 29 students or 82.86% completed and 6 students or 17.14% did not complete. Cycle II as a follow-up and improvement of the first cycle with the acquisition of achieving attainment of 35 students or 100%. The results obtained by the conclusion of the application of Open-Ended learning assisted by powerpoint media can improve critical thinking skills and mathematics learning outcomes of fourth-grade students of SD Tingkir Tengah 02 Salatiga second semester of the 2018/2019 academic year.


2021 ◽  
Vol 2 (1) ◽  
pp. 25-34
Author(s):  
Norhasanah Norhasanah ◽  
Ruswaty Ruswaty ◽  
Fahmi Fahmi ◽  
Marnina Ika Putri

Teachers as learning agents must be able to present the learning process contextually by involving the active participation of students. Some students learn best when they have the opportunity to interact with real objects through inquiry activities that will help students deepen their understanding of a concept. Inquiry learning is one that can be adapted to students' abilities, can build cognitive structures, and can motivate students to think critically. This research is classified as descriptive research. The subjects of the research were students of class X SMA Negeri 4 Barabai as many as 78 students in the 2015/2016 academic year on the mushroom group material. The research data were in the form of observations on students' critical thinking skills which were analyzed descriptively using categorical methods, namely very good (≥ 3), good (2-2.99), not good (1-1.99). While cognitive learning outcomes were obtained through tests and success was determined based on KKM = 67 with classical completeness 85%. The results showed that students' critical thinking skills were at least good, namely formulating hypotheses, designing experiments, conducting experiments, and making conclusions, while formulating problems, and analyzing data still needed improvement. Meanwhile, students' cognitive learning outcomes have not yet achieved minimal completeness. Keywords: critical thinking skills, learning outcomes, inquiry AbstrakGuru sebagai agen pembelajar harus mampu menyajikan proses pembelajaran secara kontekstual dengan melibatkan langsung peran serta siswa secara aktif. Sebagian siswa belajar dengan baik apabila mereka mendapat kesempatan berinteraksi dengan benda-benda nyata melalui aktivitas penyelidikan yang akan membantu siswa memperdalam pemahaman suatu konsep. Pembelajaran inkuiri merupakan salah satu pembelajaran yang dapat diadaptasikan dengan kemampuan siswa, dapat membangun struktur kognitif, dan dapat memotivasi siswa untuk berpikir kritis. Penelitian ini tergolong penelitian deskriptif. Subjek penelitian adalah siswa kelas X SMA Negeri 4 Barabai sebanyak 78 siswa tahun pelajaran 2015/2016 pada materi pokmok jamur. Data hasil penelitian berupa hasil observasi terhadap keterampilan berpikir kritis siswa yang dianalisis secara deskriptif dengan menggunakan kategorikal yakni sangat baik (≥ 3), baik (2-2,99), kurang baik (1-1,99). Sedangkan hasil belajar kognitif diperoleh melalui tes dan keberhasilan ditetapkan berdasarkan KKM = 67 dengan ketuntasan klasikal ≥ 85%. Hasil penelitian diperoleh bahwa keterampilan berpikir kritis siswa sekurang-kurangnya sudah baik, yakni merumuskan hipotesis, merancang percobaan, melakukan percobaan, dan membuat kesimpulan, sedangkan merumuskan masalah, dan menganalisis data masih perlu perbaikan. Sedangkan hasil belajar kognitif siswa belum mencapai ketuntasan minimal. Kata kunci: keterampilan berpikir kritis, hasil belajar, inkuiri


2018 ◽  
Vol 6 (2) ◽  
pp. 190
Author(s):  
Suriasa Suriasa

Keterampilan berpikir kritis siswa belum menjadi perhatian, padahal keterampilan berpikir kritis merupakan salah satu keterampilan berpikir tingkat tinggi yang sangat penting diajarkan kepada siswa. Penelitian ini bertujuan untuk mendeskripsikan efektifitas penerapan model pembelajaran problem posing menggunakan LKS berbasis scientific approach. Penelitian ini menggunakan metode penelitian tindakan kelas (PTK).  Subjek penelitiannya ialah 34 siswa kelas 7C SMPN 24 Banjarmasin. Instrumen yang digunakan dalam penelitian ini adalah LKS brbasis scientific approach. Berdasarkan hasil analisa data diperoleh keterampilan berpikir kritis siswa pada siklus I keterampilan menanya sebesar 67,88%, pada siklus II keterampilan menanya sebesar 84,71%, dan pada siklus III keterampilan menanya sebesar 92,26%, sedangkan keterampilan mengamati, mencoba, menganalisis, mengkomunikasikan dan menyimpulkan pada ketiga siklus sebesar mencapai nilai diatas 85%. Hal ini menunjukkan peningkatan keterampilan berpikir kritis siswa dari siklus I ke siklus II baik, dan siklus III amat baik. Hasil belajar siswa materi konsep zat yang berorientasi keterampilan berpikir kritis siswa mencapai ketuntasan secara klasikal pada siklus I sebesar 78,13%, pada siklus II sebesar 88,24%, dan pada siklus III sebesar 91,18%. Respon siswa terhadap pembelajaran sangat baik. Oleh karena itu diperoleh simpulan bahwa penerapan model pembelajaran problem posing menggunakan LKS berbasis scientific aproach efektif meningkatkan keterampilan berpikir kritis siswa kelas 7C SMPN 24 Banjarmasin pada materi konsep zat.Critical thinking skills of students have not been a concern, whereas critical thinking skills are one of the most important high-level thinking skills taught to students. This study aims to describe the effectiveness of applying learning problem-posing model using worksheet based on scientific approach. This research uses classroom action research method. The research subjects are 34 students of grade 7C SMPN 24 Banjarmasin. The instrument used in this research is a scientific approach bracket worksheet. Based on the result of data analysis, the students' critical thinking skill in the first cycle of questioning skills equal to 67,88% score, on the second cycle, the questioning skill equal to 84,71%, and on the third cycle of questioning skill equal to 92,26% , while observation skill, try, analyze, communicate and conclude on all three cycles achieving a value above 85%. This shows the improvement of students' critical thinking skills from cycle I to cycle II good, and cycle III is very good. Student learning result of concept material that oriented critical thinking skill of students reach mastery classically in cycle I equal to 78,13%, in cycle II equal to 88,24%, and at cycle III equal to 91,18%. Student response to learning is very good. Therefore it is concluded that the application of learning problem-posing model using a scientific-based worksheet approach effectively improves critical thinking skills of 7C students SMPN 24 Banjarmasin on the material concept of substance.


2019 ◽  
Vol 3 (1) ◽  
pp. 49
Author(s):  
Endra Priawasana ◽  
Waris Waris

Basically students have critical thinking skills. Students 'critical thinking skills that are still low are needed in a way so that students' critical thinking skills increase, With the Problem Based Learning learning model in the hope that students' critical thinking skills will increase. the purpose of the study was to determine the effectiveness of problem based learning in improving students' critical thinking skills. This type of research is Action Research, with the stages of planning, action, observation and reflection. This research was conducted in two cycles, with each cycle consisting of two lessons. The subjects in this study were MTs students. In Ambulu sub-district. Data collection techniques use tests and non-tests. The results showed that student learning outcomes in the first cycle got a score of 45 with very low criteria, in cycle II it increased to 92.5 with very good criteria. Students' critical thinking skills in the first cycle experienced 36% classical completeness with very low criteria, in cycle II it increased to 80% with high criteria. The results of the study prove that the application of the Problem Based Learning model is very effective in improving students' critical thinking skills.


Author(s):  
Sonta Asilsa Faisalina

<p><em>The purpose of this study was to improve student learning outcomes in thematic learning class V SDN Ngarus 02 Pati. This research is a classroom action research (PTK) which is carried out in four cycles, each cycle consisting of the planning, implementation, observation and reflection stages. The subjects of this study were class V students of SDN Ngarus 02 Pati for the 2020/2021 academic year, totaling 36 students. Data collection techniques used tests and non-tests. Data analysis includes data reduction, data presentation, and drawing conclusions. Research shows that the application of concept mapping to improve critical thinking skills in class V SDN Ngarus 02 Pati as evidenced by the percentage of completeness of learning outcomes in the pre-cycle from 17% to 40% in cycle I, to 52% in cycle II, and to 75% in cycle III. And the percentage of critical thinking in the pre-cycle is 63% to 65% in the first cycle, to 66% in the second cycle, and 67% in the third cycle.</em></p>


Author(s):  
Rois Triwibowo ◽  
Badarudin Badarudin ◽  
Aji Heru Muslim

This study aims to improve critical thinking skills and independent learning of students through problem based learning models in class V. The method used in this research is classroom action research. PTK is carried out for 2 cycles, each cycle consisting of 2 learning meetings with 1 meeting one learning implementation plan. The research procedure consists of several stages, namely the planning, action, observation and reflection. The research subjects were class V MIM 01 Sambong with 22 students consisting of 8 male students and 14 female students. This research data collection tool uses a critical thinking skills test, learning independence attitude questionnaire, student activity observation sheet and teacher activity observation sheet. The results of increasing critical thinking skills and students' learning independence can be seen at each stage of the cycle. The results of this CAR show that PBL models can improve critical thinking skills and learning independence in class V MIM 01 Sambong. Students show each cycle. Cycle 1 gets an average of 3.04 while cycle 2 gets an average of 3.74 with good criteria meanwhile in independent learning, cycle 1 gets average of 3,2 in the other hand cycle 2 gets average of 3,67 with good criteria


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.


2021 ◽  
Vol 8 (2) ◽  
pp. 107
Author(s):  
Algiranto Algiranto ◽  
Sulistiyono Sulistiyono

Low critical thinking skills and student learning outcomes in physics, especially in class X students of Muhammadiyah Imogiri High School becomes the background of this research. This research aims to (1) produce student worksheet products with a scientific approach that is appropriate to be used to improve critical thinking skills and high school student learning outcomes, (2) find out the improvement of students' critical thinking skills after using student worksheet with a scientific approach in the physics learning process. (3) knowing the increase in student learning outcomes after using student worksheets with a scientific approach to the development results. This research is a research and development (R&D) development with a 4-D model that is defined, design, develop, and disseminate. The subjects of the study were students of class X IPA of Muhammadiyah Imogiri High School. The results showed: (1) obtained student worksheet with a scientific approach that is suitable for use in learning in class X high school on temperature and heat material, based on the results of the assessment of the material validator included in the category (very good), from the media validator included in the category (good) and language validator is included in the category (Very Good) so that the Development Worksheet is feasible to be used for learning activities, (2) Students' critical thinking skills have increased in terms of the gain value of the pretest-posttest results in the moderate category with a gain value of 0.67. (3) the improvement of cognitive aspects of learning outcomes is indicated by the standard value of gain <g> of 0.73 (high). From these results, it can be concluded that the development worksheet can improve critical thinking skills and student learning outcomes.


Author(s):  
Zainudin Zainudin ◽  
Buyung Pambudi

The Effectiveness of the Application of Basic Physics Learning Devices Based on Critical Thinking Skills Using the Edmodo Platform on Android. The purpose of this study is to describe the effectiveness of the application of basic physics learning devices based on critical thinking skills using the Android platform Edmodo application. This research is a pre-experimental study with the research design used namely One Group Pretest Postest Design. The research subjects were 16 second semester students of the 2018 - 2019 academic year STKIP PGRI Mathematics Education Study Program Bangkalan subject matter of temperature and heat. The results of critical thinking skills at the pretest and posttest experienced a significant increase having N-Gain 0.6 in the moderate category. The results of the positive student responses to learning questionnaires were 86.4%. It can be concluded that the application of basic physics learning devices based on critical thinking skills using the android platform EDMODO application can improve students 'critical thinking skills and students' positive responses to learning so that they can be said to be effective.


2016 ◽  
Vol 1 (1) ◽  
pp. 11
Author(s):  
Fransiskus Gatot Iman Santoso

<p>The research was conducted aimed to determine students' critical thinking skills in solving problems in the<br />course of analysis Geometric Transformations through problem based learning in mathematics. The ability to<br />think critically examined is the ability to solve problems, in this matter of the analysis, the correct procedure<br />and reasoned, correctly draw conclusions based on the facts and the arguments are valid. Students' critical<br />thinking skills in solving problems related to the analysis of subject matter Geometric Transformations, <br />namely translational, half-round, reflection and rotation. This research is descriptive qualitative approach.<br />This study was conducted at Catholic University of Widya Mandala Madiun, and research subjects are<br />students majoring in Mathematics Education Geometric Transformations course overflow Even semester<br />academic year 2011/2012. Data collection techniques in this study using a test method, namely Critical<br />Thinking Test. The results of this study are based on learning mathematics through problem obtained that the<br />average Critical Thinking Skills (CBC) students in solving problems overall analysis on the subject<br />Transformation Geometry of 5.53 and qualifies as being 'critical thinking skills.</p>


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