scholarly journals EFFECT OF PROBLEM BASED LEARNING AND MODEL CRITICAL THINKING ABILITY TO PROBLEM SOLVING SKILLS

2016 ◽  
Vol 5 (2) ◽  
pp. 112 ◽  
Author(s):  
Unita S. Zuliani Nasution ◽  
Sahyar . ◽  
Makmur Sirait

The purposes of this research were to analyze the different between physic resolving problem ability by using problem based learning model and direct instruction model, the different of physic resolving problem ability between the students that have critical thinking ability upper the average and the students that have critical thinking ability under the average, and the interaction of problem based learning model toward critical thinking ability and students’ physic resolving problem ability. This research was quasy experimental research that use critical thinking ability tests and physic resolving problem ability tests as the instruments. Result of the research showed that the students’ physic resolving problem ability by using problem based learning model was better than by using direct instruction model, students’ physic resolving problem ability and critical thinking ability upper the average showed better different and result than students’ critical thinking ability under the average, besides there was an interaction between problem based learning model and critical thinking ability in improving students’ physic resolving problem ability.

2016 ◽  
Vol 4 (3) ◽  
Author(s):  
Afriany Vitaloka ◽  
Ridwan Abdullah Sani

Abstract The objectives of this research are: Analyzing how criticalthinking ability of students that learn using Problem BasedLearning and Direct Instructional Model in dynamic fluid and Analyzing is it critical thinking ability of students that learn using problem based learning model is better than direct instructional model in dynamic fluid in SMA Negeri 2 Balige Class XI MIA Academic Year 2014/ 2015. The type of research was Quasi-experiment with the population is all of students in plus class XI MIA in even semester in SMA Negeri 2 Balige which consists of 3 classes. Sample of this research was obtained by technique cluster random sampling. The sample is XI MIA 1 as the experimental class taught by Problem Based Learning Model and XI MIA 3 as the control class taught by Direct Instructional Model. The research instrument has 6 questions in essay type, the instruments tested validated. In this research obtained the average value of post test in experimental higher than control class. In hypothesis testing t count > t table at significant level α = 0.05. So, can be concluded that the critical thinking ability of students in experimental class better than in control class. Ha was accepted or has effect of Problem Based Learning Model on Critical Thinking Ability of Students in Dynamic Fluid Class XI MIA SMA Negeri 2 Balige Academic Year 2014/ 2015.


2017 ◽  
Vol 2 (1) ◽  
pp. 57-70
Author(s):  
Rini Trisnawati ◽  
Wahyudin ◽  
Kusnandi

This study aims to examine enhancement of critical thinking ability of the students who got learning with problem posing approach and the students who got direct instruction. This study employed experimental research with Pretest-Post-test two treatment design.  The population in this study were class VIII the students of one MTsN in Pekanbaru. For sample for this study, two classes were taken as experimental class by using purposive sampling technique. The instruments which were used were in the forms of critical thinking ability tests.  The findings of this study were: (1) Critical thinking ability of the students who get learning with Problem Posing approach was better than the students who got Direct Instruction and (2) The enhancement of mathematical critical thinking ability of the students who got learning with Problem Posing approach was better than the students who got Direct Instruction.


Author(s):  
Siti Khairani ◽  
Retno Dwi Suyanti ◽  
Daulat Saragi

The study aims to determine the influence of the Problem Based Learnimg (PBL) learning model and the motivation to students critical thinking skills, as well as the interaction between learning models and the motivation to learn from students critical thinking skills. This study was conducted at SD Negeri 105390 in the even semester of the 2019/2020 school year. The population in this study is a class V student of elementary school 105390 Island pictures numbering at 55 people. Sampling is carried out in total, i.e. V-A and V-B classes. The V-B class as an experimental class taught with a collaborative problem-based learning (PBL) model with the number of students 28 people. As for the control class is taught by a direct instruction model elected class V-A with the number of students as many as 27 people. This type of research includes research quasi experiments with 2x2 factorial design with analytical techniques variance (ANAVA) 2 lines. Based on the results of the analysis and research findings from the field obtained several conclusions that are answers to questions on the problem formulation, among them the critical thinking ability of students taught with a collaborative Problem-based learning model better than students taught with a direct learning model (sig. = 0.000 < 0.05), a student's critical thinking ability of high motivation is better than a low-motivation student (sig. = 0.01 < 0.05), and there is interaction between the two learning models with a level of motivation in influencing students ' critical thinking ability (sig. = 0.02 < 0.05).


2018 ◽  
Vol 2 (2) ◽  
pp. 124-132
Author(s):  
Mesia Dewi Hasanah ◽  
Heffi Alberida ◽  
Yosi Laila Rahmi

Implementation of Curriculum 2013 requires students to learn actively, independently, and critical thinking. Critical thinking is an activity through thinking about ideas related to concepts or problems. The efforts to improve critical thinking skills of learners can be done by using the appropriate learning model. One of the learning models that can be used to improve the ability of critical thinking is a problem-based learning model. This type of research is quasi experiment with randomized control-group pretest posttest design. The sample of this research choosed by used purposive sampling method. Class VIII6 as experimental class and class VIII4 as control class. Data of this research result are quantitative data of critical thinking ability. Data were analyzed by using t test. The results showed that the mean difference of posttest value with pretest value of critical thinking ability of experimental class learners is higher than control class. Hypothesis testing with t-test obtained tcalculate=2,94>ttable= 1,67, then H1 accepted. Based on these results the authors conclude that the implementation of problem-based learning model has a positive effect on the ability to think critically learners on the material additives and addictive substances.


2015 ◽  
Vol 4 (2) ◽  
pp. 55
Author(s):  
Ferawati Hutapea ◽  
Motlan .

The purpose of research are 1). To know are differences in science process skills of students with the applied of inquiry training learning model and direct instruction learning models, 2). To know are differences in science process skills of students who has high critical thinking ability and the  critically low ability, 3). To know the interaction inquiry training learning model and critical thinking ability toward students science process skills. The samples in this research conducted by cluster random sampling and  as many as two class , the first class (X-I) as experiment applied Inquiry Training learning model and the second class (X-2) as control class applied Direct Intruction learning model. The instrument used in this research is tests science process skills and critical thinking skills in the form of description and observation sheets science process skills. From these results it can be concluded that: 1) there are differences in students science process skills with applied inquiry training model and direct intruction model, 2) science process skills of students with high critical thinking ability is better than the science process skills of students with the ability to think critically low, and 3) the interaction inquiry training learning model and critical thinking ability toward the science process skills.


Author(s):  
Deviana Yulianti

<p><em>The demands of the 2013 curriculum ideally are that learning is able to develop 4C skills, one of which is critical thinking and problem-solving skills (Critical-Thinking and Problem-Solving Skills), namely being able to think critically, laterally, and systematically, especially in the context of problem solving. In fact, students' critical thinking skills have not been maximally developed, especially in elementary schools. The learning process in elementary schools currently requires problem-based learning that requires students to actively carry out investigations in solving problems and the teacher acting as a facilitator or learning guide will be able to shape the ability of students to think critically. The purpose of this research is to describe the concept of Problem Based Learning (PBL), the concept of critical thinking ability, and the relationship between Problem Based Learning (PBL) and critical thinking ability. The results of the Problem Based Learning (PBL) model improve critical thinking ability.</em></p>


2021 ◽  
Vol 2 (2) ◽  
pp. 87-93
Author(s):  
Madi Amin ◽  
Muliana Muliana ◽  
Rohantizani Rohantizani

The purpose of this study was to determine the mathematical critical thinking ability of students who were taught using the Auditory Intellectually Repetition learning model was better than the mathematical critical thinking skills of students who were taught through a scientific learning approach. This study uses a quantitative approach and the type of research used is quasi-experimental research. The population in this study were 11th grade students of SMA Negeri 5 Simeulue Barat, the samples in this study were two classes selected using a nonprobability sampling technique of purposive sampling type, namely class 11 IPA-1 as an experimental class using the Auditory Intellectually Repetition model and class 11 IPA-2 as a control class using a scientific approach. The data processing technique uses SPSS version 25 with the results of the study showing that: the value of Sig (p-value) > 0.05), it is accepted that it is 0.629 in the experimental class and 0.273 in the control class so that the data has a normal distribution. The t-test analysis of students' mathematical critical thinking skills was obtained 0.001 < 0.05, then Ho was rejected and Ha was accepted. This means that the mathematical critical thinking ability of students who are taught with the Auditory Intellectually Repetition learning model is better than the mathematical critical thinking skills of students who are taught with a scientific learning approach.


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