scholarly journals Analisis Kemampuan Berpikir Kritis Dan Science Motivation Siswa Pada Pembelajaran Pesawat Sederhana

2020 ◽  
Vol 11 (2) ◽  
Author(s):  
Indah Sukmawati ◽  
Joko Siswanto ◽  
Fenny Roshayanti
Keyword(s):  
Middle School ◽  
Critical Thinking ◽  
Middle School Students ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Learning Science ◽  
School Students ◽  
Quantitative Data Analysis ◽  
Class Viii ◽  
Science Motivation

This study aims to determine the level of critical thinking skills and science motivation of students in learning science. The population in this study all students of class VIII SMP N 3 Pemalang were 10 classes with 317 students. The research sample was randomly selected with a sample of one class of 31 students. The study was conducted on January 4, 2020, data collection techniques in the form of tests and questionnaires. The test is used to determine students' critical thinking skills in learning science in simple plane materials. While the questionnaire is used to determine the level of science motivation of students in learning Natural Sciences. Descriptive quantitative data analysis and percentage. The results showed the level of critical thinking skills of Pemalang N 3 Middle School students was 35.48% from the high and medium category. While the level of science motivation of Pemalang N 3 Middle School students was 35.50% from the high and medium category. This shows that the ability to think critically and the level of science motivation of students is still quite low. So we need a learning model that can improve students' motivation and critical thinking skills.

scholarly journals Penerapan pembelajaran problem posing untuk meningkatkan kemampuan berpikir kritis siswa pada materi aritmetika sosial SMP kelas VII

2021 ◽  
Vol 1 (9) ◽  
Author(s):  
Rima Febriyanti ◽  
Slamet Slamet
Keyword(s):  
Middle School ◽  
Critical Thinking ◽  
Action Research ◽  
Middle School Students ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
Problem Posing ◽  
Test Results ◽  
School Students ◽  
Average Percentage

The purpose of this study is to improve the critical thinking skills of Class VII Middle Scool students in social arithmetic material by applying problem posing learning. This type of research is Classroom Action Research (CAR) with Kemmis and Mc Taggart models with stages of planning, implementation, observation, and reflection. The instruments used in this study were validation sheets, observation sheets, and final cycle test sheets. The results showed that the application of problem posing learning with the following steps: the stage of apperception and motivation, the stage of conceptualization, the development and discussion stages, and the stage of correcting answers can improve the critical thinking skills of Class VII Middle School students in social arithmetic material. The average percentage of the test results of students' critical thinking skills in the first cycle was 55.2 percent and increased by 20.6 percent in the second cycle to 75.8 percent, so that this study could be said to be successful. Penelitian ini bertujuan untuk mendiskripsikan langkah-langkah pembelajaran problem posing yang dapat meningkatkan kemampuan berpikir kritis siswa SMP Kelas VII pada materi aritmetika sosial. Jenis penelitian ini adalah Penelitian Tindakan Kelas (PTK) dengan model Kemmis dan Mc Taggart dengan tahap perencanaan, pelaksanaan, pengamatan, dan refleksi. Instrumen yang digunakan dalam penelitian ini adalah lembar validasi, lembar observasi, dan lembar tes akhir siklus. Hasil penelitian menunjukan bahwa penerapan pembelajaran problem posing dengan langkah-langkah sebagai berikut : tahap apersepsi dan motivasi, tahap penyampaian konsep, tahap pengembangan dan diskusi, serta tahap mengoreksi jawaban dapat meningkatkan kemampuan berpikir kritis siswa SMP Kelas VII pada materi aritmetika sosial. Persentase rata-rata hasil tes kemampuan berpikir kritis siswa siklus I sebesar 55,2 persen dan meningkat 20,6 persen pada siklus II menjadi 75,8 persen, sehingga penelitian ini dapat dikatakan berhasil.

scholarly journals ANALISIS KEMAMPUAN BERPIKIR KRITIS MATEMATIS SISWA SMP PADA MATERI PYTHAGORAS

2018 ◽  
Vol 1 (4) ◽  
pp. 559
Author(s):  
Angga Andriawan ◽  
Asti Sari Setiawati ◽  
Indah Puspita Sari ◽  
Siti Chotimah
Keyword(s):  
High School Students ◽  
Critical Thinking ◽  
Junior High School ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
School Students ◽  
Analysis Techniques ◽  
Action Strategy ◽  
Qualitative Descriptive ◽  
Class Viii

This study aims to analyze the critical thinking skills of junior high school students on Pythagoras material. Subjects in this study are students of class VIII-F in SMP Negeri 1 Ngamprah with the number of students 37 people. The method used in this research is qualitative descriptive. This type is chosen because it aims to describe the skills of students in solving problems of mathematical critical thinking independently. The research phase is divided into three, namely planning, implementation, and reporting. The technique of collecting data in the form of test. Data analysis techniques based on indicators of mathematical critical thinking skills that has been determined by researchers include: (1) identifying the concepts used in problem solving, (2) formulating an action (strategy, tactics, or approach) in solving problems, (3) providing arguments or reasons for answering and solving problems, and (4) evaluating evidence or decisions taken in solving the problem. The results obtained quantitatively show that the level of mathematical critical thinking skills of students in SMP Negeri 1 Ngamprah in solving the problems on Pythagoras material still falls into the low category. The evidence from the percentage of each indicator with the highest rate of only 61%. Some factors influence the level of students critical thinking skills, including the preparation of incomplete and appropriate strategies, provide arguments without showing the truth, and the students' accuracy in working on the questions.

scholarly journals Pengembangan Lembar Kegiatan Siswa (LKS) Dan Media Pembelajaran Inkuiri Berbasis Keterampilan Berpikir Kritis

2014 ◽  
Vol 2 (1) ◽  
pp. 1 ◽  
Author(s):  
Ida Bagus Rini Jayanti ◽  
Suyidno Suyidno ◽  
Sri Hartini
Keyword(s):  
High School Students ◽  
Critical Thinking ◽  
Junior High School ◽  
Model Development ◽  
Thinking Skills ◽  
Critical Thinking Skills ◽  
School Students ◽  
Class Viii ◽  
The Subject ◽  
And Performance

LKS at schools still contained the materials and exercises without learning media have been caused the low ability of students in critical thinking skills. Therefore, carried out a research that aims to produce LKS and learning media of inquiry based on critical thinking skills of junior high school students on the subject of pressure effectively. The research spesific objectives are to describe the feasibility of LKS and learning media, critical thinking skills of students, and the response of students towards LKS and learning media. This research is ASSURE model development. The subjects were 30 students of class VIII-C SMP Negeri 1 Banjarmasin. The data were analyzed by descriptive quantitative and qualitative. Findings were obtained: (1) LKS which developed satisfied feasibility about approach content, presentation instruction, presentation of content, appropriateness of content, and performance of physic, (2) learning media which developed satisfied feasibility about benefits, presentation, and use of media props, (3) critical thinking skills of students categorized as good, (4) the students  response of interests and attitudes towards LKS categorized as good, (5) the students response of interests and attitudes towards learning media categorized as very good. Retrieved conclusion that LKS and learning media of inquiry based on critical thinking skills of students who produced effectively. 

scholarly journals PENERAPAN THINK, TALK, AND WRITE UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR KRITIS DAN HASIL BELAJAR IPS SISWA KELAS VIII SMP KRISTEN SATYA WACANA SALATIGA

Satya Widya ◽  
2019 ◽  
Vol 35 (2) ◽  
pp. 148-160
Author(s):  
Endy Liani Klarita ◽  
Arief Sadjiarto
Keyword(s):  
Middle School ◽  
Critical Thinking ◽  
Data Collection ◽  
Social Studies ◽  
Learning Outcomes ◽  
Student Learning Outcomes ◽  
Thinking Skills ◽  
Class Action ◽  
Critical Thinking Skills ◽  
Class Viii

This research was conducted with problems in class VIII students, amounting to 20 students at the Satya Wacana Christian Middle School in Salatiga regarding critical thinking skills and learning outcomes. Therefore researchers want to take action to improve learning by using the Think Talk and Write (TTW) model. This type of research is the study of class action using Kurt Lewin's research design. The instrument of data collection uses test instruments, observation sheets, and questionnaires. Analysis of the data used is descriptive comparative. The indicator of the success of critical thinking skills and learning outcomes is 75%. The results obtained from this study are that there is an increase in critical thinking skills and learning outcomes of class VIII Satya Wacana Christian Middle School Salatiga. In the first cycle the results of critical thinking skills are 55% of students who have high critical thinking skills, while in the second cycle there is an increase of 85% of students who have high critical thinking skills. Then in the pre-cycle learning outcomes there were 25% of students whose grades reached KKM, the first cycle there were 70% of students completed KKM, and in the second cycle there was an increase of 90% of students who completed KKM. So the conclusion in this study that the use of Think Talk and Write (TTW) learning model can improve critical thinking skills and student learning outcomes in social studies subjects of class VIII Satya Wacana Christian Middle School Salatiga.

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