scholarly journals Development of Worksheet Based on Scientific Approach to Improve Critical Thinking Skills

2021 ◽  
Vol 1 (1) ◽  
pp. 1-10
Tias Ernawati ◽  
Sigit Sujatmika

This study aimed to develop and determine the advisability of chemical worksheets based on a scientific approach to improve students' critical thinking skills. The research method uses five design research steps simplified from Borg's and Gall's research and development. The subject of this research are science education program students at one university in Indonesia. Validation subject matter feasibility on the worksheets is 4.34 (best criteria), while the feasibility is 4.17 (best standards). A random assessment from several students is obtaining an average score of 98.67% (positive response). The research results conclude that a worksheet is advisable for students. Expert opinion conveys that using a scientific approach to the problems presented in the worksheet reveals stimulates, encourages, and improves critical thinking skills.

2019 ◽  
Vol 5 (2) ◽  
pp. 194
Lita Sumiyarti ◽  
Dadi Setiadi ◽  
Jamaluddin Jamaluddin

Abstract: The purpose of this research is to make the learning device based on guided inquiry in science learning and affectivities to improve students’ critical thinking skills and to examine its validity, effectiveness, and practicability. This research adapts Borg & Gall Research and Development and modification. The instruments of the research were instrument validation results, practicality, and effectiveness. Data were collected by employing a validation sheet that was validated by the assessor to gain validation and practicality scores, the student's positive response questionnaire and learning result test sheet were full filled-in by the students, and the observation sheet was full filled-in by the observer. The average score of total validity is in the score range of 2.6<SV≤3.5 and is an invalid category. The result of practicality research of learning devices based on practicality questionnaire the range of 3.5-4.0 and is in a very practice category. The result of effectiveness based on learning result test showed that 75 % of the students are completely based on the results of the research, it can be concluded that the learning device based on guided inquiry is valid, practical, and effective that is feasible to be used in a learning activity in the classroom.Keywords: Development Research; Guided Inquiry; Critical Thinking Skill

2019 ◽  
Vol 2 (1) ◽  
pp. 9-22
Alkat Yanwar ◽  
Abi Fadila

The purpose of this study is to find out whether there are: (1) the influence of the scientific approach on students’ critical thinking skills; (2) the influence of learning independence on students’ mathematical critical thinking ability; (3) the interaction between the scientific approach and the learning independence of students’ critical thinking skills. This research is a quasy experimental design research with 2x3 factorial design. Sampling technique in this research use probability sampling with cluster random sampling. The research instrument used is questionnaire self-reliance learning and test of critical thinking ability mathematically. Data from the results of tests of mathematical critical thinking ability were analyzed using anava test of two unequal cell paths and further tests using a double comparison test with the Scheffe method. The results showed that: (1) there was an influence of the scientific approach on students’ critical thinking skills; (2) there is influence of learning independence to students’ critical thinking ability mathematically; (3) there is no interaction between the scientific approach and the learning independence of mathematical critical thinking skills.

Muhammad Ansorul Hakim

This research discusses how the implementation of scientific approach influences in building students' critical thinking skills on the subjects of Islamic Education and Character building at SMK Negeri 1 Bojonegoro. A combination method called concurrent embedded strategy is used in this research in which quantitative method is used as the primary method and qualitative method is used as the secondary method. The population in this study are 1440 students at SMK Negeri 1 Bojonegoro. Meanwhile, three classes (93 students) of Accounting major in grade XI are the subject of the research. Purposive sampling is used as sampling technique. Data are collected by using observation, interview, questionnaires, and documentation techniques. The data are analyzed by statistic product moment. The result of research showed that = 0,404, when it consulted with r value in table for N = 93, with significance level 5% = 0,202 and 1% = 0,263. So in a significance level of 5% the  value is greater than the  value, and in a significance level of 1% the    value is also greater than the value. When it consulted with the amount of "r" product moment, there is a moderate correlation of the interpretation of variables X and variable Y. In conclusion, there is a moderate correlation between the implementation of scientific approach and critical thinking skills building on the subjects of Islamic Education in SMK Negeri 1 Bojonegoro.Keywords: Implementation, Scientific Approach, Critical Thinking Skills.

2017 ◽  
Vol 3 (1) ◽  
Dewi Seprianingsih ◽  
A. Wahab Jufri ◽  

Arguing ability was a part of critical thinking skills which important to be mastered by the students. In fact, students’ ability to argue was still relatively low. This referred to the TIMSS report (The Trends in International Mathematics and Science Study) in 2011, and showed that Indonesian children’s level in science was positioned in 42 from 45 countries. One kind of efforts to improve the quality of the ability to argue was applying the model of guided inquiry. This study was aimed to develop inquiry-based learning tools (PPBIT) and analyzed its effectiveness in developing the ability to argue of students at SMAN 2 Taliwang-West Sumbawa. PPBIT was carried out by applying 4D procedure. Then, pretest posttest control group design also completely concerned in determining the effectiveness of PPBIT. There were 66 students as the sample which was scattered from two classes and was selected by using purposive sampling technique. The results showed that PPBIT was appropriately to be used for students argumentation  skills’ activities by an average of feasibility syllabus 78.71%, RPP 83.5, LKITS 75%, and Instruments KB 80.25%, and effective in improving the ability to argue the class X SMAN 2 Taliwang, particularly on the subject of environmental pollution and recycling of waste by the average score of the students' ability from 48.22 up to 85.08Keyword: PPBIT, Argument

2017 ◽  
Vol 5 (1) ◽  
pp. 703
M. Salahudin Al’ Ayub ◽  
Rahardjo Rahardjo ◽  
Toeti Koestiari

The aimed of this research to describe the student learning outcomes and critical thinking skills through guided inquiry model using student worksheet oriented of critical thinking skills. This Research was conducted on two stages, are development of teaching materials using Dick and Carey model, and the implementation stage into the classroom using one group pretest-posttest design with subjects were 30 students on X class of SMAN 1 Pasir Belengkong Kabupaten Paser Kalimantan Timur. The parameter is feasibility of lesson plan, student activity, learning outcomes, critical thinking skills and constraints for teaching and learning activities. Data collecting were using observation method, test, and questionnaire. After the data were analiyzed with this result: The feasibility of lesson plan could be categorized as good, student activity with instrument reliability classified as good, learning outcomes test to know mastery of student learning on Ecosystems with the average score as good and gain score high gain, critical thinking test with the average score as good and gain score high gain. Based on this research, it can be concluded that guided inquiry model using student worksheet of critical thinking skills can improve student learning outcomes and critical thinking skills. Penelitian ini bertujuan untuk mendeskripsikan hasil belajar siswa dan keterampilan berpikir kritis siswa melalui model inkuiri terbimbing menggunakan LKS berorientasi keterampilan berpikir kritis. Penelitian ini dilaksanakan dalam dua tahap, yaitu tahap pengembangan perangkat yang menggunakan model Dick & Carey, kemudian dilanjutkan dengan tahap implememtasi model di dalam kelas menggunakan rancangan One group Pretest-Posttest Design dengan subjek penelitian 30 siswa kelas X SMAN 1 Pasir Belengkong Kabupaten Paser Kalimantan Timur. Parameter yang diukur meliputi keterlaksanaan RPP, aktivitas siswa, hasil belajar siswa, keterampilan berpikir kritis siswa, respon siswa dan hambatan selama kegiatan belajar. Pengumpulan data menggunakan metode observasi, tes, dan angket. Selanjutnya data dianalisis secara deskriptif. Hasil penelitian menunjukkan Keterlaksanaan RPP dengan kategori baik, aktivitas siswa, dengan reliabilitas instrumen berkategori baik, ketuntasan belajar siswa pada materi ekosistem dengan nilai rata-rata baik dan gain score rata-rata  gain tinggi, ketuntasan keterampilan berpikir kritis dengan rata-rata nilai baik dan gain score rata-rata gain tinggi. Berdasarkan hasil penelitian ini dapat disimpulkan bahwa model inkuiri terbimbing menggunakan LKS berorientasi keterampilan berpikir kritis dapat meningkatkan hasil belajar dan keterampilan berpikir kritis siswa.

2018 ◽  
Vol 1 (1) ◽  
pp. 94
Tri Siwi Septiana ◽  
M. Ragil Kurniawan

This study aims to improve students' critical thinking skills in Civics in 5th grade students of SD Muhammadiyah Kauman, Yogyakarta using Problem Based Learning model. This research is a Classroom Action Research (PTK). The subjects of the study were 5th grade students of B1 SD Muhammadiyah Kauman. The object of research is the whole process and the results of learning Civics with the application of Problem Based Learning model. This research was conducted at SD Muhammadiyah Pakel Yogyakarta in April until May 2017. Data collection techniques used were observation, diary, interview and test. Data analysis technique is done descriptively qualitative. This research was conducted in 2 cycles by applying problem based learning model. The learning steps that were implemented were changes in the delivery of the subject matter, the students analyzed the problem, the formation of the discussion group with the grouping of students based on their achievement, the students in group for discussion, the group members delivered the discussion result in front of the class.The results showed that the critical thinking ability of the 5th grade students of B1 SD Muhammadiyah Kauman, Yogyakarta increased after the use of Problem Based Learning model in Civics learning with the subject matter of the example of central and regional legislation. This improvement is evident in the improvement of students' critical thinking skill test result from 12.90% pretreatment score to 51.61% (enough) in cycle I and increased to 70.96% (good) in cycle II. The results of activity observations related to students' critical thinking skills are increased among others: active students in learning, students more freely in finding and collecting desired information, and students also have more opportunities to learn with friends.

2016 ◽  
Vol 4 (1) ◽  
pp. 24
Sri Yuliyanti ◽  
Saiful Prayogi ◽  
Bq. Azmi Sukroyanti

This research aims to enhance students’ critical thinking skills of SMP Islam Abhariyah on the academic year 2015/2016 through the application of the generative learning model. Research method used was classroom action research (PTK). This research was conducted in two cycles. Each cycle consist of planning, implementating, observating, and reflecting. Data learning activities of the students and teachers’ activities obtained by observation, while data on students’ critical thinking skills test was obtained by an evaluation at the end of each cycle. The subject of this study was 28 students in VIII-B class. Application of the generative learning model in this study considered as successful if the value of critical thinking skills of the students at a minimum categorized as critical. The data for student’s critical thinking skills was accomplished by using an essay test, and the average value of students is 41.96 (categorized very less critical) whit classical completeness achieved only 3,57% in the cycle I and in the cycle II showed the average value of the students is 68,92 (categorized critical) whit classical completeness increased to 85,71%. Research data of student’s activities was taken by using the student’s observation sheet. The average score in the cycle I is 46.50 (categorized as fairly active) and in the cycle II is 66.00 (categorized as active). The data of teacher’s activities was taken by using teacher’s observation sheet. The presentation of learning material is 64,28% (categorized as good) in the cycle I and 91,06% (categorized as very good) in the gathering II. Thus, the conclusion to this study is the application of the generative learning model can improve students’ critical thinking skills.

2021 ◽  
Vol 14 (1) ◽  
pp. 11-22
Sania Salsabila ◽  
Abd. Kholiq

During the Covid-19 pandemic that swept the world including Indonesia, and to improve students' critical thinking skills, it is necessary to have supporting media in the learning process as an edutainment website. This study intends to determine the validity of the edutainment website developed in physics lessons to improve student's critical thinking skills. The research method used is development research with the DDD-E model. This research was only limited to media development, and no practicality and effectiveness tests were carried out. In this study, the validity data were obtained from the results of validation by expert and were analyzed by descriptive quantitative using the category of Likert scale percentage. If the percentage of each aspect is ≥ 61%, then the edutainment website developed can be declared valid. The results of this study are the percentage of validity in the learning aspect of 90.30%, the material aspect of 90.56%, the media aspect of 88.65%, and the critical thinking aspect of 84.70%. Based on this, it can be concluded that the edutainment website is very valid so that it can be used as a physics learning media to improve students' critical thinking skills. The edutainment website can be an alternative learning media by utilizing information technology and hopefully in further research, it can apply edutainment website and perform practicality and effectiveness tests for learning both in class and distance learning

2019 ◽  
Vol 7 (3) ◽  
pp. 148
Binar Kurnia Prahani ◽  
Budi Jatmiko ◽  
Zainal Arifin Imam Supardi ◽  
Munasir M ◽  
Utama Alan Deta ◽  

The Indonesian National Qualification Framework in higher education requires universities to develop a curriculum that makes students have superior competence with a variety of skills that are in line with the demands of the 21st century, including Critical thinking skills. The main objective of this research is to analyze the practicality of the OR-IPA learning model, which has been developed by design to improve the critical thinking skill of prospective physics teachers on the fundamentals of physics courses. The subject of practical observations was a physics lecturer who used the OR-IPA learning model. The observation sheet of the OR-IPA learning model practicality has been declared valid and reliable by the validators. The data analysis technique uses descriptive qualitative. The results showed that the OR-IPA learning model to improve the critical thinking skill of prospective physics teachers was considered practical (3.69). Lecturers and students can use the OR-IPA learning model without significant obstacles. This research implies that the OR-IPA learning model can be an alternative to improve the critical thinking skill of prospective physics teachers in the fundamentals of physics courses.

2020 ◽  
Vol 3 (2) ◽  
pp. 114
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

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