scholarly journals PENGARUH ISU SOSIOSAINTIFIK DALAM MODEL DISCOVERY LEARNING TERHADAP KETERAMPILAN BERPIKIR KRITIS SISWA PADA MATERI ASAM BASA

2020 ◽  
Vol 4 (1) ◽  
pp. 64-74
Author(s):  
Pintaka Kusumaningtyas ◽  
Rezky Oktafiani ◽  
Mukhamad Nurhadi ◽  
Sekar Sulistyaningwarni

The aim of this study was to determine the influence of sosioscientific issues in discovery learning model toward critical thinking skills of students on the subject matter of acid-base. The research method used was quasi experimental, with the type of research design was posttest only control group design. The population in this study was all students of class XI MIPA SMAN 13 Samarinda in the 2018/2019 school year, amounting to 66 students, which were divided into 2 classes. The samples were taken using saturated sampling technique. The technique used to measure critical thinking skills of students was post-test technique in form of essay test. Data were analyzed by normality test, homogeneity test, and independent sample t-test. The results showed the average posttest score in the control class was 72.06 (good category) and the experimental class was 79.36 (good category). Statistical analysis using t-test showed tcount, 3.15 > ttable, 1.66, which means that there was an influence of the use of sosioscientific issues in the discovery learning model toward critical thinking skills of students on the subject matter of acid-base.

2018 ◽  
Vol 1 (1) ◽  
pp. 94
Author(s):  
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.


2017 ◽  
Vol 18 (2) ◽  
pp. 20
Author(s):  
Nurasia Nurasia

ABSTRAKPenelitian ini bertujuan untuk mengetahui pengaruh dari model pembelajaran dan gaya belajar terhadap keterampilan berpikir kritis peserta didik kelas XI  IPA SMA Negeri 3 Palopo pada materi pokok larutan asam basa.  Jenis penelitian adalah eksperimen semu dengan menggunakan desain Faktorial 2x3. Populasi penelitian adalah seluruh peserta didik kelas XI IPA SMA Negeri 3 Palopo tahun ajaran 2013/2014 yang berjumlah 180 orang. Pengambilan sampel dilakukan dengan simple random sampling dan kelas yang terpilih adalah kelas XI IPA D dan XI IPA F. Pengujian hipotesis dilakukan dengan program SPSS 20 menggunakan analisis ANACOVA. Hasil penelitian ini menunjukkan bahwa (1) Ada pengaruh model pembelajaran terhadap keterampilan berpikir kritis peserta didik di kelas XI IPA SMA  Negeri 3 palopo pada materi pokok larutan asam basa, (2) Tidak ada pengaruh gaya belajar visual, auditorial dan kinestetik terhadap keterampilan berpikir kritis peserta didik di kelas XI IPA SMA  Negeri 3 palopo pada materi pokok larutan asam basa, (3) Tidak ada interaksi antara model pembelajaran dengan gaya belajar dalam mempengaruhi keterampilan berpikir kritis peserta didik kelas XI IPA SMA Negeri 3  Palopo pada materi larutan asam basa. Rata-rata  keterampilan berpikir kritis peserta didik yang diajar dengan menggunakan model pembelajaran inkuiri lebih tinggi dari pada yang diajar dengan menggunakan model pembelajaran langsung. Rata-rata keterampilan berpikir kritis peserta didik yang memiliki gaya belajar audiotori lebih tinggi dari pada peserta didik yang memiliki gaya belajar visual dan kinestetik.Kata kunci: Model pembelajaran, Gaya belajar, Keterampilan berpikir kritis ABSTRACTThis research aims to identify the influence of instructional model and learning style to critical thinking skills of students in class XI Science SMAN 3 Palopo in the subject matter acid-base solution. This type of research is quasi-experimental using factorial design 2x3. Population of the research was all students in class XI Science SMAN 3 Palopo school year 2013/2014 which amounted to 180 students. The sample was taken by simple random sampling and the selected class is XI D Science and XI F Science. The Hypothesis test was conducted by SPSS 20 Program using The ANACOVA (Analysis of Covariance) analysis. The results of this study show that (1) There is an influence of instructional model to critical thinking skills of students in class XI Science at SMAN 3 Palopo in the subject matter acid-base solution, (2) There is no influence of visual learning style, auditory and kinesthetic toward the critical thinking skills of students in class XI Science SMAN 3 Palopo in the subject matter acid-base solution, (3) There is no interaction between the instructional model and learning styles in influencing the critical thinking skills of students in class XI Science SMAN 3 Palopo the acid base solution material. Average critical thinking skills that students taught using inquiry learning model is higher than those taught using direct instructional model. Average score critical thinking skills of learners who have learning styles auditory higher than the learners who have visual and kinesthetic learning styles.Keywords: Instructional model, Learning style, Critical thinking skills


2020 ◽  
Vol 9 (2) ◽  
Author(s):  
Melania Priska ◽  
Agnes Pendy ◽  
Natalia Peni ◽  
Ludovicus Carvallo

Solution material is one of the materials that requires a student's level of understanding at the critical thinking level. Critical thinking skills train students to learn to find and solve problems using scientific methods based on real experiences encountered and experienced directly. To be able to find the concept of knowledge based on existing realities, an appropriate learning model is needed, namely a problem-based learning model. This study aims to determine students' critical thinking skills. The type and design of this research is development research with a nonequivalent control group design. The samples of this research were students of semester 2, Biology Education Study Program, University of Flores. This research was conducted from April-June 2020. Data were collected using the critical thinking ability test technique of students in the chemical solution subject, followed by processing and analyzing data using the prerequisite analysis test in the form of normality test, homogeneity test, and t-test. The data analysis shows the significance value of the normality and homogeneity test, namely α> 0.05, while for the t-test α <0.05. From these results prove that problem-based learning can improve students' critical thinking skills in chemistry subject matter solution


2021 ◽  
Vol 9 (1) ◽  
pp. 99-107
Author(s):  
Fadlina Fadlina ◽  
Wiwit Artika* ◽  
Khairil Khairil ◽  
Cut Nurmaliah ◽  
Abdullah Abdullah

Implementation of learning in class 11th MAN 1 and MAN 2 Banda Aceh City Students only get information without going through discussion activities, students who are not brave enough to express ideas or ideas, so that students are not trained in using their critical thinking skills. This study aims to determine the improvement of students' critical thinking skills through the application of the STEM-based discovery learning model to the motion system concept. The research approach used is quantitative with the type of pre-experimental research. The research design used is the one-group pretest-postest design. The population was all of 11th grade students, amounting to 292 people. The sampling technique used was a total sampling. The sample in this study consisted of 292 students. The instruments in this research were pretest and posttest multiple choice questions with reasoned. Data analysis consisted of normality test, paired sample t-test at a significant level of 0.05 and n-gain. The results of the paired sample t-test obtained tcount 48 and value (ρ.001), so it was concluded that there were differences in critical thinking skills and learning outcomes of students before and after learning with the application of the STEM-based discovery learning model to the motion system concept. The results of the n-gain test using the Meltzer formula showed that the gain in critical thinking skills was 0.85, so there was an increase in critical thinking skills with a high category.


2020 ◽  
Vol 1 (1) ◽  
Author(s):  
Indah Cucurostanti ◽  
Mety Herlina

This study aims to determine the effect of the Problem Based Instruction (PBI) learning model on the ability of students to think critically in class XI SMA Negeri 4 Bengkulu City. This study uses an experimental method, the sample of the population in this study are two classes selected by the Simple Random Sampling technique. Data analysis techniques using 1. Normality Test 2. Homogeneity Test 3. T-Test (Hypothesis Test). Based on the average value of students 'critical thinking skills in the class using the Problem Based Instruction learning model is 77.74, while the average value of students' critical thinking skills in conventional classes is 70.27. And after the t-test, a significant value of students 'critical thinking abilities is obtained, with Tcount 2.899 and Ttable 2.05, then Tcount 2.899 Ttable 2.05, thus based on the hypothesis it can be concluded that there is a significant influence on the value of students' critical thinking abilities using Problem Based Instruction learning model (H1 accepted and H0 rejected).


Edupedia ◽  
2019 ◽  
Vol 3 (2) ◽  
pp. 17-27
Author(s):  
Dian Noer Asyari

Discovery learning is a learning situation on wich the principle content of what is tobe learned is not give but must be independly discovered by student. The effectiveness of guided discovery learning model to improve students’ critical thinking skills uses 6 indicators, are: formulating problems, formulating hypotheses, analyzing date, providing alternatives, summing up, communicating and applying principle. The guided discovery learning model was included in the effective category in terms of: (a) Improvement (N-gain) of students’ critical thinking skills by 0.65 with moderate criteria and (b) Students respond positively to learning using guided discovery learning model and its learning tools on implementation.


2020 ◽  
Vol 4 (1) ◽  
pp. 83
Author(s):  
Anike Putri ◽  
Yenita Roza ◽  
Maimunah Maimunah

This research was motivated by the still limited learning of mathematics as a means of supporting learning in the 2013 Curriculum. The purpose of this study was to produce some products in the form of learning devices (syllabus, RPP and LKPD) on the material for the flat side building of VIII Middle School with discovery learning models that meet valid, practical, and effective criteria for improving students mathematical critical thinking skills. Learning tools are developed using the 4-D model, which are define, design, develop and assess. The research instrument used was an instrument of validity in the form of a validation sheet to assess the feasibility of the syllabus, RPP and LKPD as well as a practical instrument in the form of a teacher observation sheet activity in applying the discovery learning model and student questionnaire responses to assess the practicality of LKPD. The results of the validation of the experts stated that the product developed reached a valid category with an average rating of 76.67% for syllabus, 76.67% for RPP and 88.04% for LKPD. Learning devices are considered very practical in small group trials with an average response of 96.44% students and large group trials from the observation sheet of teacher activity 93.71% and the average response of students 87.77%. The learning tools have been proved to improve students mathematical critical thinking skills in terms of an average N-gain of 0.53 in the medium category.


2019 ◽  
Vol 7 (3) ◽  
pp. 148
Author(s):  
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.


2021 ◽  
Vol 14 (1) ◽  
pp. 53-68
Author(s):  
Rita Saekawati ◽  
Harun Nasrudin

This research aims to examine the effectiveness guided inquiry learning model based on blended learning on reaction rate material to improve students' critical thinking skills. The design in this research is the One Group Pretest and Posttest Design. The subjects in this research were students of SMAN 1 Kalitidu Bojonegoro in class XI IPA 1. The method used to collect data was the test, observation, and student response questionnaires. Data analysis used the percentage, mean, N-Gain, and Paired sample t-test. The results showed that the guided inquiry learning model based on blended learning was carried out well with an average percentage of the implementation of phase 1 was 98%, phase 2 was 93.76%, phase 3 was 100%, phase 4 was 93.75%, phase 5 was 100%. The average score of the N-gain critical thinking skills is 0.73 with the high category. There is a significant difference in the results of critical thinking skills between before and after being given a guided inquiry learning model based on blended learning. The results showed the guided inquiry learning model based on blended learning effectively improving students' critical thinking skills. Efektivitas Inkuiri Terbimbing Berbasis Blended Learning dalam Meningkatkan Keterampilan Berpikir KritisPenelitian ini bertujuan untuk menguji keefektifan model pembelajaran inkuiri terbimbing berbasis blended learning pada materi laju reaksi dalam meningkatkan keterampilan berpikir kritis peserta didik. Design pada penelitian ini adalah One Group Pretest and Posttest Design. Sasaran dalam penelitian ini yaitu peserta didik XI IPA 1 SMA Negeri 1 Kalitidu Bojonegoro. Metode pengumpulan data yang digunakan berupa tes, observasi dan angket respon. Analisis data menggunakan teknik persentase, mean, n-gain, dan uji Paired Sample T-test. Hasil penelitian menunjukkan bahwa model pembelajaran inkuiri terbimbing berbasis blended learning terlaksana dengan baik dengan rata-rata persentase keterlaksanaan fase 1 sebesar 98%, fase 2 sebesar 93,76%, fase 3 sebesar 100%, fase 4 sebesar 93,75%, fase 5 sebesar 100%. Nilai rata-rata N-gain kemampuan berpikir kritis adalah sebesar 0,73 dengan kategori tinggi. Terdapat perbedaan hasil keterampilan berpikir kritis yang signifikan antara sebelum dan sesudah diberikan model pembelajaran inkuiri terbimbing berbasis blended learning. Hasil penelitian menunjukkan bahwa model pembelajaran inkuiri terbimbing berbasis blended learning efektif untuk meningkatkan keterampilan berpikir kritis peserta didik.


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