scholarly journals The Effectiveness of Guided Inquiry-Based Worksheets to Improve Students' Critical Thinking Skills on Archimedes’ Law Materials

2021 ◽  
Vol 9 (2) ◽  
pp. 199
Author(s):  
Suci Rizki Lestari ◽  
Yanti Sofi Makiyah

This study aimed to determine the effectiveness of Guided Inquiry-based Student Worksheets on Archimedes’ Law. This study used an experimental method with a research design of one group pretest-posttest design. The population in this study was all students of class XI MIA Public Senior High School 1 Sariwangi, the research sample was XI MIA 2. The sampling technique was done by using cluster random sampling. The data collection instrument used a pretest and posttest assessment sheet. Data analysis used statistical tests, namely N-Gain and t-test. The test result of the effectiveness of student worksheets based on guided inquiry using N-Gain analysis obtained a value of 0.97 with high criteria. Furthermore, the result of the t-test showed 15tcount>t(0,995)(30)">  that it was 4.15>2.75. This indicated that there was a significant difference between the pretest and posttest scores. Based on the average N-Gain and t-test, it can be concluded that guided inquiry-based student worksheets are very effective in improving students' critical thinking skills. The results of this study have the implication that guided inquiry-based student worksheets can be used in the implementation of learning as a form of assistance for students to improve students' critical thinking skills. 

EDUSAINS ◽  
2020 ◽  
Vol 12 (1) ◽  
pp. 9-19
Author(s):  
Dwi Ayu Lestari ◽  
Joko Ariyanto ◽  
Harlita Harlita

COMPARISON OF STUDENTS' CRITICAL THINKING SKILLS WITH PROBLEM-BASED LEARNING AND NUMBERED HEADS TOGETHER BASED ON STUDENT-CREATED CASE STUDIES MODELSAbstractThe study's purpose was to determine the differences in students' critical thinking skills between the problem-based learning and numbered heads together based on student-created case studies model on biology subjects in class X of SMA 2 Karanganyar in the academic year 2018/2019. This research is a quasi-experiment, and the research design used a posttest only with non-equivalent groups. The sampling technique is cluster sampling. Samples were 72 students, namely X IPA 3 as an experimental class 1 and X IPA 1 as an experimental class 2. Data collection techniques were using essay tests, observation sheets, and documentation. The data analysis used was an independent t-test. The calculation of the difference in the average posttest of the two groups for critical thinking skills showed a calculated value of 2,243 and the table value of 1.994 with a significance (α = 0,05). The calculation results show that tcount > ttable, which means there is a significant difference in the students' critical thinking skills in the class between the problem-based learning model and numbered heads together based on the student-created case studies model. AbstrakTujuan penelitian untuk mengetahui perbedaan keterampilan berpikir kritis siswa antara model pembelajaran problem based learning dengan numbered heads together berbasis student created case studies pada mata pelajaran biologi kelas X SMA Negeri 2 Karanganyar tahun pelajaran 2018/2019. Penelitian ini merupakan penelitian eksperimen semu (quasy experiment). Desain penelitian yang digunakan adalah posttest only with non-equivalent group. Teknik pengambilan sampel dengan cluster sampling. Sampel yang diambil berjumlah 72 siswa yaitu X IPA 3 sebagai kelas eksperimen 1 dan X IPA 1 sebagai kelas eksperimen 2. Teknik pengumpulan data menggunakan tes essay, lembar observasi, dan dokumentasi. Analisis data yang digunakan yaitu uji independent t-test. Hasil perhitungan perbedaan rata-rata posttest kedua kelompok untuk keterampilan berpikir kritis menunjukkan nilai hitung sebesar 2,243 dan nilai ttabel sebesar 1.994 dengan signifikansi (α=0,05). Hasil perhitungan menunjukkan bahwa thitung > ttabel, sehingga terdapat perbedaan signifikan keterampilan berpikir kritis siswa yang diajarkan menggunakan model problem based learning dengan numbered heads together berbasis student created case studies. 


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.


2018 ◽  
Vol 2 (1) ◽  
Author(s):  
Yuli Aulia Rahayu ◽  
Widodo Winarso

The essence of mathematics learning is the ability to solve math problems. Differences in ability, one of which is the suspect cognitive style. Based on the cause of the necessary mathematical problems of the students, cognitive style consists of a type of reflection and impulsive. So that the focus of this research is to analyze students' critical thinking skills in solving mathematical problems based on different types of reflective and impulsive cognitive style. Causal-comparative studies are needed to analyze the problem. The population of this study is composed of students of class VII SMPN 1 Susukan Cirebon. While the sample search uses the intentional sampling technique with the number of research samples 31 students. The technique of data collection using the Cognitive Style TMF test (correspondence familiar figures Test) and description Test (essay) Mathematics of critical thinking. The hypothesis test used is the t-test (T-test for independent samples). The results of the research show that the distribution of cognitive styles of students at SMPN 1 Susukan Cirebon, dominated by reflective-type cognitive style students (74% of students), while a small part of the students type of impulsive cognitive style (26% of students ). Critical thinking ability of reflective type students of cognitive style is better than the type of impulsive cognitive style students


2018 ◽  
Author(s):  
Irwanto

This study aimed at analyzing the level of students' critical thinking skills as well as investigating the correlation between students' critical thinking skills and their grade level. A survey involving 220 pre-service chemistry teachers of Yogyakarta State University, Indonesia was conducted. The sample was taken using the convenience sampling technique. The data were collected using a Critical Thinking Rubric (OHRCT) developed by Oliver-Hoyo (2003). The result of this study shows that (i) the average score of students' critical thinking skills was still considered low (13.95±2.151), (ii) abstract and written presentation appeared as the components that obtained the highest and the lowest score respectively, (iii) significant difference was found between the score of students' critical thinking skills based on grade level in favour of junior students (p=0.000), and (iv) a moderate positive and linear correlation existed between the students' critical thinking skills and grade level (r=0.442, p=0.000). The findings indicate that the improvement in students' critical thinking skills has certain influences on the improvement of students' cognition and learning experience after attending courses in chemistry. Based on the result, several recommendations have been proposed to improve university students' critical thinking skills.


2021 ◽  
Vol 5 (1) ◽  
pp. 198
Author(s):  
Fajrina Fauzi ◽  
Maria Erna ◽  
Roza Linda

The purpose of this study was to determine the differences in the improvement of students' thinking skills using collaborative learning techniques Think-Pair-Share and Group Investigation. The research used was a quasi-experimental research design with non equivalent control posttest design. The data collection technique used critical thinking skills questions consisting of 5 essay test questions. Based on the research results of hypothesis testing using paired simple t-test , the results obtained were sig (2-tailed) <0.05, which means that collaborative learning of GI and TPS techniques is effective on critical thinking skills than the control class. Hypothesis testing is to see significant differences between collaborative learning. TPS and GI techniques used independent sample t-test and the results obtained were sig (2-tailed) <0.05, which means that there is a significant difference between collaborative learning of GI and TPS techniques on critical thinking skills. For the average percentage of critical thinking skills in the collaborative learning class, the Think-Pair-Share technique is 80.57% and Group Investigation is 76.73%, and in the control class it is 68.45%, which means the application of collaborative learning techniques Think-Pair- Share is more effectively used in improving students' critical thinking skills on chemical equilibrium material.


2018 ◽  
Vol 4 (1) ◽  
pp. 98
Author(s):  
Lia Nurmayani ◽  
Aris Doyan ◽  
Ni Nyoman Sri Putu Verawati

This study aims to determine the effect of guided inquiry learning model toward critical thinking skills of students. This type of research is quasi experiment with non-equivalent group design. Sampling using purposive sampling technique, so that obtained class XI MIA 1 as experiment class and class XI MIA 2 as control class. The research instrument is a essay test of 5 questions that have been tested for validity, reliability, level of difficulty, and different power of problems. The learning data of the two classes is normally distributed. Based on the homogenity data obtained both homogeneous. Data were analyzed by MANOVA test. Result of data analysis show significance  0,021 if  determined the level of significance 0,05 then 0,021<0,05. Based on these facts it can be concluded that there is influence of guided inquiry learning model toward critical thinking skills of students.


2021 ◽  
Vol 9 (1) ◽  
pp. 65-75
Author(s):  
Zainatul Hasanah ◽  
Andi Ulfa Tenri Pada* ◽  
Safrida Safrida ◽  
Wiwit Artika ◽  
Mudatsir Mudatsir

The learning process only focuses on the material by memorizing concepts, students do not use LKPD to do practical work optimally, so the biology learning process in schools does not encourage students to practice critical thinking skills. This study aims to improve students' critical thinking skills by using the PBL learning model combined with STEM-based worksheets on environmental pollution conceptin class 10th SMA Negeri Bireuen district. The approach used is experimental design, the method used is quasi-experimental, with a pretest-posttest design non-equivalent control group design. Population in class 10th IPA SMAN 1 and SMAN 2 Peusangan designed 252 people. The sampling technique used was purposive sampling technique. The research sample was 140 students. The number of samples in the experimental class was 71 people and 69 people in the control class. The instrument used was a reasoned multiple choice question accompanied by a rubric. The data analysis used was n-gain and independent t-test. The results showed that the critical thinking skills obtained was 0.93, with an increase in class critical thinking skills including the high category. The results of the independent sample t-test obtained Sig. (0,000) α (0.05) then Ha is accepted, so it is suggested that there are differences in the critical thinking skills of students between the experimental class and the control class on environmental pollution material in class X SMAN Bireuen. The implementation of PBL learning model combined with STEM-based LKPD can improve students' critical thinking skills on environmental pollution material in class 10th SMA Negeri Bireuen Regency.


Author(s):  
Annisatul Qaidah ◽  
Hardeli .

This study aims to produce a guided inquirybased salt hydrolysis module to improve students' critical thinking skills by determining the level of validity, practicality and effectiveness of the module. The type of research used is research development or Research and Development (R&D). The sampling technique uses cluster purposive sampling. The number of samples is 57 students from both schools. The development model used is the Plomp development model which has three stages namely the initial investigation phase (preliminary research phase), the prototype phase (prototyping phase) and the assessment phase (assessment phase). The research instruments used were interview sheets, questionnaires in the form of validation and practicality sheets, objective questions, and critical thinking questions. Data analysis techniques using SPSS 16 software. The results obtained by N-gain experimental class is higher than the control class that is experimental class 1 and 2 have N-gain 64.65 and 59.46, while control classes 1 and 2 have N-gain 60 , 83 and 58.6 with significant differences. Hypothesis test results show a significant difference between the critical thinking skills of the experimental class and the control class, both in schools with high and low student abilities.


2021 ◽  
Vol 2 (3) ◽  
pp. 1-9
Author(s):  
Muflichatu Nur Fita ◽  
Budi Jatmiko ◽  
Elok Sudibyo

The purpose of this research was to see how effective the Problem Based Learning (PBL) based Socioscientific Issues (SSI) is at improving critical thinking skills. The sample used was grade seven in SMPN 4 Lamongan with 2 classes and each class contains 15 students. The design of the learning materials trial used  One-Group pre-test post-test design. Tests of critical thinking skills and student answer sheets were used to collect data. Techniques of data analysis used N-gain, paired t-test, and independent t-test. The result of this research is as follows: The effectiveness in terms of the critical thinking skills test the category increase is high, there is a significant difference between the test before and after learning with PBL based SSI and there is no difference N-gain in the two group classes and students' responses are classified as very good. Based on data analysis, it can be concluded that PBL with SSI is effective to improve critical thinking skills. The implications of this study are PBL-based SSI has the potential to be an innovative solution and alternative for improving critical thinking skills.


2020 ◽  
Vol 1 (2) ◽  
pp. 66-75
Author(s):  
Siti Fadilah. MS ◽  
Budi Jatmiko ◽  
Tjipto Prastowo

This study aimed to determine the effectiveness and validity of a teaching document using Argument-Driven Inquiry (ADI) model with a Contextual Approach to improve students' critical thinking skills in science learning. This type of research was research and development (R&D) that refers to the 4D model. Data collected by the validation sheets, student response sheet, and critical thinking skills test. They were analyzed by using t-test and N-gain. The present research was applied in lower secondary at SMP Negeri 1 Bluto with trial design of One-Group Pretest-Posttest Design. The results of the data analysis show that (1) the learning materials was valid in terms of the results of the validity of the materials with the score of 3.57; (2) learning materials was effective in terms of: (a) the students' responses were categorized as very good with results of 83.2%, (b) students' critical thinking skill increased with an average value of N-gain in grade eight A of 0.74 and 0.75 for grade eight B with a high category. Based on the results of statistical analysis using the t test, the probability value (sig) was 0,000 in the two classes. This means that the significance value was less than 0.05 which means there was a significant difference between the pre-test and post-test results. In conclusion, Argument-Driven Inquiry (ADI) model with a Contextual Approach is proven to be feasible and effective for improving critical thinking skills.


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