Jurnal Pendidikan MIPA
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Implementation of STEM-PBL Design Based Students E-Worksheet to Improve Problem Solving Skills
Get PDFProblem solving skills is an ability that students have to learn in the 21st century. Problem solving skills can be improved through a combination of learning activities including media, models and learning approaches. This study aims to determine the enhancement of students' problem solving skills through the implementation of STEM-PBL based e-worksheet on energy and its change material in grade VIII middle school. This research type is pre-experimental with a one group pretest-postest design. The research sample consisted of one class VIII of SMPN 2 Badau totaling 25 students was determined by random sampling. Data collection using a problem solving skills test instrument with 4 essay questions. Data analysis using descriptive analysis of the data collected. Analysis of feasibility data obtained through validation questionnaire validated by three expert validators meanwhile data on the improvement of problem solving skills obtained through the pre-test and post-test results given to students before and after the implementation of STEM-PBL design based e-worksheets. The results of the validity of the STEM-PBL design e-worksheet from this study were obtained an average assessment score from the three expert validators of 96.9% with very valid criteria so that STEM-PBL design based e-worksheets can be applied to science learning. Problem solving skills indicators that experienced the highest to lowest increase due to the implementation of STEM-PBL design based e-worksheet were understand the problem by 0.83; plan the solution by 0.71; execute the solution by 0.63; and reflect on the problem solving solution by 0.37. The results showed an N-Gain of 0.56 with a medium category. Based on the results of the N-Gain percentage of 56.52%, it can be concluded that the implementation of STEM-PBL design based e-worksheet on energy and its change material is effective enough to increase students' problem solving skills. Keywords: e-worksheet, problem based learning, problem solving skills, STEM-PBL.DOI: http://dx.doi.org/10.23960/jpmipa/v25i4.pp1665-167
The Effectiveness of Guided Inquiry with Scaffolding Techniques in Enhancing Primary Students' Self-Efficacy in Mathematics
Get PDFStudents' self-efficacy towards mathematics is still low. High self-efficacy is an essential factor in supporting learning success. Guided inquiry elaborated with scaffolding techniques is thought to affect students' self-efficacy. Therefore, this study aims to identify the effect of guided inquiry with scaffolding techniques on students' self-efficacy. The study design used was the posttest-only control group. In this study, data collection techniques were used using a questionnaire containing 20 questions to measure students' self-efficacy (magnitude, generality, and strength) in facing and completing mathematics tasks. Study participants included fourth-grade students' who were drawn through purposive sampling. ANOVA test and post hoc analysis were used for data analysis. The data analysis showed differences in students' self-efficacy between the implementations of guided inquiry with scaffolding techniques, guided inquiry without scaffolding techniques, and conventional learning. It was concluded that guided inquiry implemented with scaffolding techniques significantly enhanced students' mathematics self-efficacy. The most affected dimensions of self-efficacy from high to low are strength, magnitude, and generality. This shows sufficient scaffolding during the implementation of guided inquiry. In addition, students received sufficient scaffolding in the exploration process, which resulted in students being more confident in understanding the material and completing tasks independently. Keywords: guided inquiry learning, scaffolding techniques, self-efficacy
Students’ Learning Interest during Online Biology Course: A Correlation Study
Get PDFThe objective of this study is to know the correlation between online learning and students’ learning interest on biology course. This study is a correlational quantitative research. The sampling technique is purposive sample with a total sample of 164 students. The technique employed for data collection is preliminary observation, interview, and questionnaire. The data analysis technique employed used are descriptive statistical data, data normality test, linearity test and Pearson product moment correlation test. The result of this study revealed that there is a significantly positive correlation between the online learning and students’ learning interest on Biology course with correlation coefficient (r) = 0.675 which was considered as strong correlation at level of 0.5% with the score of tcount > ttable = 11.671 > 1.654 in other words, the better the implementation of online learning, the better the students’ learning interest on Biology Course. Teachers’ innovation in online learning can support students learning interests because learning interests are not permanent so teachers must have the ability to create interesting online learning. Keywords: online learning, students’ learning interest, biology. DOI: http://dx.doi.org/10.23960/jpmipa/v23i2.pp529-53
The Effect of Attitudes and Habits in Online Mathematics Learning on Cognitive Learning Outcomes of Senior High School Students
Get PDFThis study aims to determine the effect of attitudes and habits of learning mathematics through online learning on students' cognitive learning outcomes. This type of research is correlation research using ex post facto design. The research population was all class X IPA students at senior high school 7 Bengkulu City for the 2020/2021 academic year with 320 students. The research sample of 107 students from three classes was selected by a simple random sampling technique where the distribution of students' abilities in each category was not different. The study results show that attitudes toward learning mathematics in online learning have a direct positive effect on students' cognitive learning outcomes. The habit of learning mathematics in online learning has a direct and positive effect on students' cognitive learning outcomes. Suggestions from this study in improving student learning outcomes teachers need to develop student attitudes and learning habitsKeywords: mathematics attitudes, study habits, learning outcomes, online learning.DOI: http://dx.doi.org/10.23960/jpmipa/v24i1.pp203-21
Interactive Learning Media using Adobe Animate CC to Improve Students’ Learning Motivation and Mathematics Learning Outcomes
Get PDFThis study aims to apply digital learning media in the form of Adobe Animate CC in learning mathematics. This research is a quantitative research with a comparative approach to compare learning outcomes based on the application of interactive learning media Adobe Animate CC. The research population was all junior high schools in Bengkalis Regency, while the sample was a portion of the schools taken purposively according to the purpose of the research. The data collection tool is a learning achievement test and a checklist to observe student learning motivation in class while studying with Adobe Animate CC. Data analysis in this study used descriptive statistics, t-test and One Way Anova. The results of the analysis show that there are significant differences in student learning outcomes in the experimental class using Adobe Animate CC learning media and the control class using conventional learning. There were significant differences in learning motivation in the experimental class at the first meeting, second meeting, third meeting and fourth meeting. Adobe Animate CC learning media can improve learning outcomes and motivation of junior high school students in Bengkalis Regency, Riau Province.Keywords: digital learning media, learning outcomes, learning motivation.DOI: http://dx.doi.org/10.23960/jpmipa/v24i1.pp172-18
Development of Android-Based Educational Games to Improve Students’ Learning Outcomes in Hydrocarbon
Get PDFAndroid-based educational game is a game using a smartphone operating system with certain teaching materials as learning media in an interesting, unique, and fun. The purpose of this study was to produce educational game media product that are feasible and valid. This development research used the ADDIE model (analyze, design, developt, implementation, and evaluation). The results of the study: (1) the media expert's validity value was 96.6% in the very feasible and very valid category, (2) the material expert's validity value was 91.4% in the very feasible and very valid category, and (3) the results of the students' readability test was 93.6% in the very feasible and very valid category, (4) N-Gain score of 0.84 in the high category and an effectiveness level of 84.6% in the "effective" category. Therefore, the android-based educational game media was effectively used to improve student learning outcomes with high effectiveness. Keywords: educational game, chemistry learning, ADDIE.DOI: http://dx.doi.org/10.23960/jpmipa/v24i1.pp14-2
Strengthening the Primary Mathematics Teacher's Self-Efficacy Through Online Professional Learning Communities
Get PDFThe perseverance, characteristics, and competencies of teachers can enhance the professional quality, motivation, and attitude of mathematics teachers. Recognizing the significance of professional development and personal growth for elementary school mathematics teachers, a Professional Learning Community (PLC) was implemented. This study aims to examine the impact of online PLC on teachers' self-efficacy in teaching mathematics. The research method used was mixed methods, quantitative and qualitative research. Data was collected by survey and interviews with 16 6th-grade mathematics teachers at Lentera Harapan School (SLH) in Indonesia. The questionnaire data were analysed by the Wilcoxon test, and the interview results were analysed qualitatively. The results find that after being given online PLC, there was a significant increase in teacher self-efficacy in teaching mathematics. Teachers respond positively to this activity because they can collaborate with other teachers from various elementary schools and support each other in their professional development. Teachers enjoyed the session of sharing experiences in overcoming learning difficulties faced by students in class. Thus, teachers' self-efficacy can be strengthened by ongoing online PLC activities that help teachers develop as professionals and provide optimal support for students' learning. By continuing to enhance teachers' self-efficacy, they may provide the best service for students and help students succeed in learning. Keywords: self-efficacy, professional learning communities, primary mathematics teachers
The Effectiveness of Problem-Based Learning Model to Improve Problem Solving Skills and Concept Understanding in Acid Base Solution
Get PDF This research investigates the difference between learning acid base solution material using the PBL model and conventional learning regarding the conceptual understanding and problem-solving ability of grade XI students at Setia Bakti Ruteng senior high school. Three science classes from Grade XI at Setia Bakti Ruteng Senior High School comprised the 76 students who made up the study's population. The research sample, comprised of 56 students, was divided into two classes for the experiments: classes 1 and 2. Experiment class 1 was handled utilizing the PBL approach, and experiment class 2 was conducted using 5 M learning. The cluster random sampling method was used to select the sample. An essay examination was used to assess students' idea understanding, and their problem-solving ability was determined by examining their responses to the problem-solving essay test. The study's findings indicate that when conceptual comprehension and problem-solving skills are tested simultaneously in grade XI students at Setia Bakti Ruteng Senior High School, the PBL approach and conventional learning produce significantly different learning outcomes. Keywords: problem-based learning, concept understanding, problem-solving.DOI: http://dx.doi.org/10.23960/jpmipa/v24i1.pp161-17
Chatbot Artificial Intelligence (AI) to Supporting Differentiated Mathematics Learning
Get PDFArtificial Intelligence chatbots have become famous nowadays because of their ease of use, which is even felt by educators and students. However, the AI chatbot algorithm sometimes does not match what is expected because it is not precise and does not match the prompt. For example, when we type the prompt "basic concepts of mathematical modeling for middle school class VII" there is very little explanation of the basic concepts. The search results provided by AI chatbots are too complex for students who want to learn simple basics. Based on this, this research was carried out with the aim of developing an AI chatbot to support differentiation learning. This type of research is ADDIE model development research which is carried out in five stages, namely analysis, design, development, implementation and evaluation. The results of the research at the analysis stage are that students need learning media that is appropriate to their level of understanding of mathematical modeling material as basic material before studying other material. The results of this analysis are the basis for designing an AI chatbot and bot scenarios to be developed and given to experts, namely educational technologists and mathematics education lecturers. After that, small class trials and large class trials at the implementation stage to get practicality and effectiveness test results in using the AI chatbot. The final stage is evaluation as a process of reflection on the results of AI chatbot development. The research results show that the AI chatbot media developed is valid, practical and effective. Valid criteria with a percentage of 89.7%, practical criteria of 85% and effective criteria of 77.67% in small group trials. Keywords: chatbot AI, differentiated, mathematics learning
Molecular Simulation Assisted Discovery Learning to Improve Higher Order Thinking Skills in Chemical Equilibrium Concepts
Get PDFThe purpose of this study is to describe the effectiveness of discovery learning assisted by molecular simulation to improve higher order thinking skills in chemical equilibrium materials. The method used in this study was a quasi-experimental with the matching only pretest-postest control group design. The population were all students of XI MIA MAN 1 Bandar Lampung in the academic year 2019/2020. The sample was XI MIPA 5 as an experimental class and XI MIPA 6 as a control class obtained by purposive sampling technique. The data analysis technique used was the t test. The results showed the n-gain average of students' high-level thinking skills in the molecular simulation assisted learning class were 0.78 with high criteria, whereas in the control class was 0.58 with medium criteria. The t-test results showed students n-gain in the experiment class was significantly higher than control class. It can be concluded that the discovery learning model assisted by molecular simulations was effective in improving students' higher order thinking skills.Keywords: chemical equilibrium, discovery learning models, higher order thinking skills, molecular simulation DOI: http://dx.doi.org/10.23960/jpmipa/v22i2.pp315-323