scholarly journals Problem Based Learning to Improve Critical Thinking

Author(s):  
Egi Gustomo Arifin

<em>curriculum has also changed, namely with a scientific approach. The criteria in this approach emphasize several aspects, including learning materials based on facts or phenomena that can be explained by logic, teacher explanations, student responses, and educative interactions between teachers and students, subjective thinking, encouraging and inspiring students to think critically, analytically, and accurately in identifying, understanding, solving problems, and applying learning materials.Teachers as educators must develop student's critical thinking skills. Aim of this study describes the concept of Problem Based Learning (PBL), components of critical thinking skills and the relationship of PBL with critical thinking skills. The results are problem-based learning can improve critical thinking through 5 phases, (a) orienting problems; (b) organize students to research; (c) assist group investigations; (d) develop and present the work; (e) analyze and evaluate the problem solving process.</em>

2019 ◽  
Vol 8 (2) ◽  
pp. 279
Author(s):  
Yunis Sulistyorini ◽  
Siti Napfiah

Berpikir kritis merupakan kemampuan yang dapat dipelajari dan dilatihkan agar mampu memecahkan masalah secara efektif. Penelitian ini bertujuan untuk mendeskripsikan kemampuan berpikir kritis mahasiswa dalam memecahkan masalah kalkulus. Jenis penelitian ini adalah penelitian kualitatif deskriptif. Subjek dari penelitian ini adalah tiga orang mahasiswa program studi Pendidikan Matematika IKIP Budi Utomo Malang yang berkemampuan matematika tinggi. Instrumen yang digunakan yaitu soal pemecahan masalah Kalkulus dan pedoman wawancara. Instrumen dibuat untuk menggali kemampuan berpikir kritis mahasiswa dalam memecahkan masalah. Hasil penelitian menunjukkan bahwa subjek mampu menunjukkan kemampuan berpikir kritis yang tinggi. Hal ini ditunjukkan dengan terpenuhinya seluruh indikator kemampuan berpikir kritis dalam memecahkan masalah matematika yaitu menggunakan penalaran pada tahap memahami masalah, menganalisis keterkaitan masing-masing bagian dari keseluruhan untuk menghasilkan sistem yang kompleks pada tahap membuat perencanaan, menganalisis dan mengevaluasi fakta-fakta pada tahap melaksanakan perencanaan, dan menarik kesimpulan berdasarkan hasil analisis pada tahap memeriksa kembali. Walaupun ketiga subjek memenuhi keseluruhan indikator berpikir kritis, namun masing-masing subjek menunjukkan proses pemecahan masalah yang berbeda. Masalah open-ended dapat dipertimbangkan dalam melatihkan kemampuan berpikir kritis sekaligus mengakomodasi berbagai tingkatan akademik mahasiswa.AbstractCritical thinking is an ability that can be learned and trained to be able to solve problems effectively. This study aims to describe students' critical thinking skills in solving calculus problems. This type of study was descriptive qualitative research. The subjects were three undergraduate students of the IKIP Budi Utomo Malang Mathematics Education with high mathematical abilities. The research instruments were calculus problem solving questions and interview guidelines. The instruments used to explore students' critical thinking skills in solving problems. The results showed that subjects were able to demonstrate high critical thinking skills. This is indicated by the fulfillment of all indicators of critical thinking skills in solving mathematical problems, namely using reasoning at the stage of understanding the problem, analyzing the relationship of each part of the whole to produce a complex system at the stage of devising a plan, analyzing and evaluating the facts at the stage of carrying out the plan, and draw conclusions based on the results of the analysis at the stage of looking back. Although all three subjects fulfill all indicators of critical thinking skills, each subject shows a different problem solving process. Open ended problems can be considered to develop critical thinking skills while accommodating various academic levels of students.


2019 ◽  
Vol 3 (2) ◽  
pp. 93
Author(s):  
Neti Afrianis

Critical thinking skills is a very important aspect that students must have in learning chemistry, especially in solving problems that require deeper alternative solutions. This research aims to analyze the relationship of critical thinking on student learning outcomes on salt hydrolysis material. In this research, there were 48 students sampled, the technique used for sampling was purposive sampling. For data analysis in this research using correlation and regression tests with a probability value of 0.05. From the results of the linearity and correlation tests found that students 'critical thinking skills have a relationship with student learning outcomes on salt hydrolysis material by 0.599 and the regression results also show the same thing that there is a significant relationship between students' critical thinking skills with learning outcomes on salt hydrolysis material that is seen from the comparison of the significance value (0,000) with a probability value (0.05), (0,000 <0.05) means that there is a positive relationship between critical thinking skills with student learning outcomes on salt hydrolysis material in SMAN 1 Kampar. The contribution or contribution of students' critical thinking skills to learning outcomes in the hydrolysis material is 35.9% while the remaining 64.1% is influenced by other factors. The higher the level of critical thinking skills of students, the greater the significant functional relationship to learning outcomes, and also the greater contribution / contribution of critical thinking skills to student learning outcomes.Keywords : Critical thinking skills, learning outcomes, correlation and regression analysis, salt hydrolysis


2020 ◽  
Vol 3 (1) ◽  
pp. 18-26
Author(s):  
Trimo Saputro ◽  
Kartini Herlina ◽  
I Wayan Distrik

Weak learning process is one of the problems in education. Therefore, to create the ideal learning process, interactive teaching materials are needed to make student-centered learning.This study aims to describe and analyze teacher and student responses to the development of guided inquiry students worksheets, as well as see their effectiveness in growing critical thinking skills and student communication skills. The research method used is the Mix method with Research and Development type. The instrument used in the form of a feasibility questionnaire and tests of critical thinking skills and communication skills. Based on the research results obtained that the development of worksheets got very valid results from the validators, got very good responses from teachers and students and proven able to foster critical thinking and communication skills.


2019 ◽  
Vol 4 (2) ◽  
pp. 102-114
Author(s):  
Adi Candra Kusuma ◽  
Dwi Setia Mujiono

The research aims to obtain the validity of Problem Based Learning teaching instruments (including lesson plan, textbooks, student worksheets and test for critical thinking skills) through a scientific approach. This type of quantitative research, Quantitative data obtained from the average results of the recapitulation of the validation of experts and colleagues then as an evaluation given through descriptive advice, with the method of collecting observational data, questionnaires and interviews. Data analysis techniques use content and construct validity specified by several experts in the appropriate fields. Construct validation by 2 expert validators and 3 peer validators. The results of the average validation of the learning device recapitulation were obtained RPS (4.00), RPP (4.10), textbooks (4.03), Student Worksheets (4.01) and Tests for students' critical thinking skills (4.00) in the scale range 5 with the title of good to be used as a research instrument. Each of the results of the validation construct of the learning device is given suggestions to be improved before it is used in learning.


2018 ◽  
Author(s):  
◽  
Jennifer L. Wiley

The ability to think critically and complexly amid novel experiences that require self- and other-awareness is something that leaders in an array of social institutions seek to develop in their communities. Global and Diversity Learning (GDL) practices, one category of high impact practices (Kuh, 2008), aim to increase students' awareness of self and others and imbue critical thinking skills that will help students see how their own background and experiences interact with those of peers. This study aims to understand the relationship of four GDL practices (education abroad, multicultural programming, intercultural living-learning communities, and global studies coursework) to desired learning outcomes. Through completing ANCOVAs and multiple regression analyses on an existing dataset of GDL participants, this study demonstrates the influence of gender, socio-economic status, and citizenship within GDL practice types. The study findings also reveal significant differences between group members' other awareness and critical thinking capacity. Understanding how different GDL practice types affect capacity development will allow university leadership to direct collaboration between departments and align programming, to allocate resources more effectively, and communicate potential outcomes based on empirical data.


Author(s):  
Winda Astarini Aripin ◽  
Hairunisyah Sahidu ◽  
Muhammad Makhrus

This study aims to determine the effectiveness of physics learning tools based on problem based learning models to improve effective and efficient problem solving and critical thinking skills of students. The type of research used is research and development (Research and Development) with the research model being developed is 4D Models. The effectiveness is obtained from a limited trial to get the N-gain test value and the efficiency is determined from the student's response. The results of the study based on the results of the average N-gain test obtained a value of 0.41 with a medium category. Student responses showed that they were not satisfied with online learning. So it can be concluded that the effectiveness of the physics learning device model of problem based learning on harmonic vibration material is effective and efficient for improving problem solving abilities and critical thinking skills of students.


Author(s):  
Baiq Mirawati ◽  
Rini Meilani ◽  
Hunaepi Hunaepi

This study aims to determine the effect of the problem-based learning model (PBL) with a scientific approach to critical thinking skills of class X students of Al-Ma’arif Pandan Indah Islamic High School 2016/2017 academic year. The type of research used is quasi-experiment with Nonequivalent control group design. The population in this study were all students of class X Islamic High School Al-Ma’arif Pandan. The sample used consisted of two classes taken using nonprobability sampling techniques, namely class XA as the experimental class, and class XB as the control class. The technique of collecting data on the implementation of RPP using the observation sheet and critical thinking skills of students was measured using a test in the form of a description question that had been validated by 2 expert experts. Data analysis of critical thinking skills carried out by t-test found that t-count = 2.58> 2.042. Based on the results of the analysis it can be concluded that the problem-based learning model with a scientific approach significantly influences students' critical thinking skills.


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