scholarly journals PEMBELAJARAN METACOGNITIVE SCAFFOLDING SEBAGAI UPAYA MENINGKATKAN KEMAMPUAN BERPIKIR KRITIS MATEMATIS SISWA SMP DALAM MEMECAHKAN MASALAH

2021 ◽  
Vol 2 (2) ◽  
pp. 214-224
Author(s):  
Muhamad Zulfikar Mansyur ◽  
Depi Ardian Nugraha
Keyword(s):  
High School Students ◽  
Critical Thinking ◽  
Junior High School ◽  
Junior High ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Control Group ◽  
School Students ◽  
Control Group Design ◽  
Direct Learning

Critical thinking ability is an important ability to have. However, students' mathematical critical thinking skills are still low. Efforts that can be applied are through the Metagontive Scaffolding learning approach. The Metcagontive Scaffolding approach has been proven to be able to improve mathematical communication skills, mathematical literacy, and self-efficacy. This study was conducted to test whether Metagontive Scaffolding can improve the mathematical critical thinking skills of junior high school students better than direct learning. This study uses a quasi-experimental method with a nonequivalent control group design. The population in this study were all eighth grade students in one of the public junior high schools in Bandung. This study uses two classes as a sample from a number of class VIII randomly graded. The data in this study were obtained through the results of the answers to students' mathematical critical thinking abilities. significantly compared to students who participated in direct learning

scholarly journals The Implementation of Portfolio Assessment to Increase Critical Thinking Ability for High School Students on Human Coordination System Material

2021 ◽  
Vol 9 (3) ◽  
pp. 130-136
Author(s):  
Annisa Tiara Linanti ◽  
Saiful Ridlo ◽  
Siti Harnina Bintari
Keyword(s):  
High School Students ◽  
Critical Thinking ◽  
Portfolio Assessment ◽  
Deep Understanding ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Control Group ◽  
School Students ◽  
Control Group Design ◽  
Coordination System

Critical thinking has an essential role in the development of 21st-century skills to form students who have a deep understanding of the subject being studied. The use of portfolio assessment is believed to be a means of mastering a subject. This study was aimed to analyze whether the implementation of portfolio assessment in Biology learning in human coordination systems material can improve students' critical thinking skills. This study used a pretest and posttest control group design. Based on the results of the analysis, it was found that the means posttest score of students' critical thinking skills in the experimental class was 78.28, and the control class was 63.36. The Independent Sample T-Test showed a significant mean difference between the experimental class and the control class. The improvement of critical thinking skills by implementing portfolio assessment was better than the control class. The regression test showed that the contribution of the portfolio assessment to the improvement of critical thinking skills was 19.1%. The results of the analysis showed that the portfolio assessment distributed students in three categories of critical thinking skills were 59.4% in the enough category, 31.3% in the good category, and 9.4% in the very good category. The conclusion is that the implementation of portfolio assessment has a positive effect on increasing students' critical thinking skills in the human coordination system material.

scholarly journals Development of Project-Based Learning Science Module to Improve Critical Thinking Skills of Junior High School Students

2018 ◽  
Vol 2 (2) ◽  
pp. 71-76 ◽  
Author(s):  
Widodo Setiyo Wibowo ◽  
Ekosari Roektiningroem ◽  
Norma Bastian ◽  
Karina Syahrul Hudda
Keyword(s):  
High School ◽  
High School Students ◽  
Critical Thinking ◽  
Junior High School ◽  
Junior High ◽  
Thinking Skills ◽  
Project Based Learning ◽  
Critical Thinking Skills ◽  
Junior High School Students ◽  
School Students

The study was conducted to develop science module based on project-based learning that is feasible to be implemented in science learning and has potency to build critical thinking skills of junior high school students. The study was Research and Development (RD), modified from Borg Gall steps covering only research and information collecting, planning, preliminary form of product development, expert judgment, product revision, and final product. The subjects were 2 expert lecturers (content expert and media expert) and 2 science teachers of SMP N 1 Wonosari. The types of data were quantitative and qualitative. Data were collected by means of SSP validation sheets and disaster preparedness identification sheets. The techniques of data analysis were descriptive analysis of qualitative and quantitative to 5 grading scale. The result of the study shows that science module is feasible to be implemented in science learning and has potency to build critical thinking skills of junior high school students. 

scholarly journals Infusion of the Critical Thinking in Chemistry through Selected Teaching Strategies

2017 ◽  
Vol 29 (1) ◽  
Author(s):  
Eleanor C. Reyes
Keyword(s):  
High School Students ◽  
Critical Thinking ◽  
Junior High School ◽  
Junior High ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Junior High School Students ◽  
Critical Thinking Skill ◽  
School Students ◽  
Skill Levels

Critical thinking is one of the 21st Century skills involved in education and is required of students nowadays. The study investigated the critical thinking skills of Junior high school students from three selected public schools in Region 3, Luzon, Philippines.  Infusion of the critical thinking in Chemistry through selected teaching strategies of inquiry-based, problem solving, collaborative, and lecture methods. CEU-Lopez Critical Thinking Skills Test (2012) with a reliability test value of 0.87 was used to measure the students’ critical thinking skill levels. Triangulation of inquiry-based teaching, problem solving, and collaborative teaching methods was used as an intervention to determine the enhancement of the respondents’ critical thinking skills and academic performance. Gathered data were processed statistically through descriptive and inferential tests.  Results revealed that there is a significant difference in the critical thinking skill levels of Junior high school students in Chemistry. The critical thinking skill levels of the student respondents were highly comparable with respect on their academic performance in Chemistry.  The students demonstrated good knowledge, attitude and performance in Chemistry after the infusion of the critical thinking approach in the intervention. The different teaching strategies utilized in the research were applicable in the enhancement of the critical thinking skills of the Junior high school students in Chemistry.

scholarly journals ANALISIS KEMAMPUAN BEPIKIR KRITIS MATEMATIK SISWA SMP DI KABUPATEN BANDUNG BARAT

2018 ◽  
Vol 1 (4) ◽  
pp. 673
Author(s):  
Nina Lestari ◽  
Riki Andriansyah ◽  
Dinar Nur Azizah ◽  
Sopian Lukman ◽  
Wahyu Hidayat
Keyword(s):  
High School ◽  
High School Students ◽  
Critical Thinking ◽  
Junior High School ◽  
Junior High ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Junior High School Students ◽  
School Students ◽  
Thinking Ability

The ability to think critically is one of the highest levels of ability. Developing critical thinking skills in students is still considered important to be improved in schools so that students are able and accustomed to facing various problems around it. This study aims to analyze the critical thinking skills of junior high school students who are in excellent classes and regular classes. This research was conducted in Bandung Barat. In this study students are given a test in the form of questions with critical thinking skills, the problem is used to compare between the superior class and ordinary class. Assessment of the problem using several factors of critical ability include 1) students can not understand the problem correctly, 2) students rush in doing the problem, 3) the students cannot choose the problem-solving strategy correctly and 4) the students work on the problem systematically. Then the matter of critical thinking skills of mathematics is analyzed using quasi-experimental research method to analyze students' critical thinking ability that influence learning result. This study shows the differences in critical thinking ability of junior high school students who are in excellent class and ordinary class. This study shows that superior classes are better in mathematical critical thinking ability than a regular class. The results of this study can add knowledge about critical thinking mathematics junior high school students who are in the class and ordinary class and used to facilitate for educational practitioners in the development of critical mathematical thinking skills.

scholarly journals Edmodo-Based Blended Learning Model as an Alternative of Science Learning to Motivate and Improve Junior High School Students’ Scientific Critical Thinking Skills

2019 ◽  
Vol 14 (07) ◽  
pp. 98 ◽  
Author(s):  
Sri Wahyuni ◽  
I Gusti Made Sanjaya ◽  
Erman Erman ◽  
Budi Jatmiko
Keyword(s):  
High School ◽  
High School Students ◽  
Critical Thinking ◽  
Blended Learning ◽  
Junior High School ◽  
Junior High ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
School Students ◽  
Post Test

Abstract—This study aims to analyze students' scientific critical thinking skills through learning with edmodo-based blended learning models. This study is Pre-Experimental using one group pre-test post-test design involving 35 class VIII students at Public Junior High School 10 Jember, Indonesia. The instru-ments used were teacher activity observation sheets, student activity observation sheets, scientific critical thinking skills assessment sheets, and student motivation sheets. Before and after learning activity, students are given the same initial test (pre-test) and final test (post-test). The collected data was analyzed by quantitative descriptive analysis. The results of the study show that: (1) students are motivated in classical learning by 78.13% with motivated criteria. The highest value is on the likes and active indicators using Edmodo, which is equal to 88.47% and the lowest value on the indicator of activity asks questions and opinions at edmodo, which is equal to 70.93%; and (2) there is an increase in scientific critical thinking skills of students with a mean n-gain of .32, with the criteria being moderate. The highest value is achieved on the indicator of fact analysis, which is equal to .55 and the lowest value on the indicators of delivery of argumentation, which is equal to .19. The conclusion of this study is that science learning with an edmodo-based blended learning model can motivate learning and improve scientific critical thinking skills of junior high school students.

scholarly journals Getting critical thinking about ecosystem: How impact and responses of students about the CirGi learning model?

Biosfer ◽  
2020 ◽  
Vol 13 (1) ◽  
pp. 86-100
Author(s):  
Lia Junita Harahap ◽  
Rizhal Hendi Ristanto ◽  
Ratna Komala
Keyword(s):  
High School Students ◽  
Critical Thinking ◽  
Sampling Technique ◽  
Thinking Skills ◽  
Learning Model ◽  
Critical Thinking Skills ◽  
Control Group ◽  
School Students ◽  
Control Group Design ◽  
Many Sources

The broad scope of biology and the many sources of biology reading requires eleven grade students to think critically about sorting out information to develop and support students' critical thinking skills. CirGi is an integration of the cooperative integrated reading and composition (CIRC) learning model and guided inquiry (GI) that emphasizes reading and writing activities, accompanied by guidance from the teacher. This study aimed to analyze the influence of CirGi's learning model on students' critical thinking skills. This research uses a quasi-experiment method with pre-post control group design. The sampling technique used purposive sampling, namely 104 high school students. Data collection was carried out using instruments of critical thinking skills in the form of essays, questionnaire responses of students to learning, and observation sheets of syntax implementation. The data analysis technique used was one-way ANCOVA. After controlling for the pretest scores, the CirGi learning model's influence on students' critical thinking skills was influenced. This learning model was appropriate for learning biology, so it can regrow the activities of reading science books that impact students' critical thinking skills.

scholarly journals INNOVATIVE-THEMATIC BASED INTEGRATED SCIENCE LEARNING ON NATURAL DIVERSITY THEME TO IMPROVE STUDENTS’ CRITICAL THINKING SKILLS IN JUNIOR HIGH SCHOOL

2018 ◽  
Vol 7 (2) ◽  
Author(s):  
Indirani Dwi Pursitasari ◽  
Siti Nuryanti ◽  
Amran Rede
Keyword(s):  
High School ◽  
High School Students ◽  
Critical Thinking ◽  
Junior High School ◽  
Private School ◽  
Junior High ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Learning Performance ◽  
School Students

Critical thinking skills should be trained and practiced in the learning process. This study aimed to describe the use of Innovative-Thematic Based Integrated Science (ITBIS) Learning Program to improve critical thinking skills of junior high school students in Palu. The study conducted in the 7th grade from one of Palu public schools and one of Palu private schools. Data were collected by observation sheet of learning performance and students activity, also test instrument for measuring students’ critical thinking skills. The data of learning performance and students activity were analyzed quantitatively, whereas the data of critical thinking skills were analyzed using descriptive and inferential statistics. The result showed that lTBIS learning can be done well either in public school and private school with average 98,03% and 90,20% respectively. ITBIS learning also improve students activity in the learning process. The average of critical thinking skills improvement (N-gain) was 68% (public school) and 63% (private school), and there were no significant differences between both of them. It showed that lTBIS learning can be used to build critical thinking skills of junior high school students.

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