Jurnal Pendidikan MIPA
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Design and Validation of STEM Integrated e-Modules on Environmental Pollution to Improve Problem-Solving Skills
Get PDFScientific literacy about awareness and problem-solving skills related to environmental issues is one of the competencies that must be instilled in students in science learning in the future. However, teaching materials that have the potential to instill these competencies have not been easily accessed by students. The purpose of this study was to design and validate an integrated electronic module with a STEM approach on environmental pollution materials to improve problem-solving skills. This research uses Research and Development (R&D) method with ADDIE (Analysis, Design, Development, Implementation, Evaluation). The E-Module is designed for Project-Based learning (PJBL-STEM) with steps of Reflection, Research, Discovery, Application and Communication. The results of construct validation obtained a percentage of 89.4%, content validation yielded a percentage of 95% and language validation 91.7% with all very valid criteria. Based on the pre-test and post-test trials of the use of e-modules carried out on students, it was found that the N-gain was 0.40 with problem-solving criteria moderate for students. Overall, the research show that the developed e module is validated with a very valid category and can improve students problem-solving skills. Keywords: e-module, STEM, PjBL, problem-solving skills. DOI: http://dx.doi.org/10.23960/jpmipa/v23i2.pp754-76
Cognitive Conflict-Based Conceptual Change Model on Concept Mastery & Student Self-regulation
Get PDFThis study aims to determine the effect of the conceptual change model with a cognitive conflict approach on concept mastery & self-regulation of class X students in biology subjects. The quasi-experimental method with posttest only controls group design. The research population is students of class X Mathematics & Natural Sciences, class X Mathematics & Natural Sciences 1 as the experimental class, & X Mathematics & Natural Sciences 2 as the control class. Data collection techniques with concept mastery tests & self-regulation questionnaires. Data analysis used an independent sample t-test. Based on the results of the study, the average value of mastery of concepts in the experimental class was 71.14, & the control class was 65.52. The average selfregulation in the experimental class was 73.29, in the control class it was 65.91. Independent sample t-test test shows that p-value> 0.05. This means that there is an influence of the conceptual change model with a cognitive conflict approach on concept mastery & self-regulation in class X in biology subjects.Keywords: conceptual change, conflict cognitive approach, mastery of concepts, self-regulation DOI: http://dx.doi.org/10.23960/jpmipa/v23i1.pp100-11
Kurikulum Merdeka: Implementation and Effect on Learning Loss in Chemistry Caused by Covid-19 Outbreak
Get PDFThis research aimed to analyze the phenomenon of learning loss and its revitalization in chemistry learning in an effort to support the independent learning curriculum and find out the implementation of merdeka belajar in schools. The sample of this research was 227 students and 17 high school chemistry teachers in the Bogor area which were determined by cluster random sampling. The method used is descriptive with a survey approach. The instruments used in this study consisted of: student and teacher questionnaires and documentation. The data analysis technique used is quantitative descriptive. The results of the study show that: 1) the implementation of merdeka belajar in high schools in the Bogor area is included in the independent changing and independent sharing categories. 2) the percentage of the average score of the results of the student questionnaire is 62.4% (enough) and the teacher's questionnaire is 72.7% (good). 3) Based on statistical tests, a significance value of 0.000 ≥ 0.05 is obtained. So it can be concluded that the implementation of merdeka belajar at senior high schools in the Bogor area did not have an effect on the phenomenon of student learning loss in chemistry subjects.Keywords: learning loss, merdeka belajar, learning chemistry.DOI: http://dx.doi.org/10.23960/jpmipa/v23i4.pp1916-192
The Effect of Problem Based Instruction on Students’ Learning Outcomes in Respiratory System
Get PDFThis study aims to determine whether or not there is an influence of the learning model using the problem based instruction (PBI) learning model on student learning outcomes on the respiratory system material for class XI at the Dar al-Ma'arif Islamic Boarding School. This research method uses a quantitative approach with a quasi-experimental type of research. The population in this study were students of class XI Islamic boarding school Dar al-Ma'arif. The samples used in this study were students of class XI A (experimental class) and class XI B (control class). The samples used in this study were 2 classes totaling 40 students. Sampling in this study was conducted using a random sampling technique. Sampling in this study was carried out using a random sampling technique. The results of the study were the results of student learning outcomes using the Problem Based Instruction (PBI) learning model in the control class, the highest score was obtained at 72 while the lowest score from the control class was 36 with the average score. an average of 56.2 and while the experimental class the highest score was obtained at 96 while the lowest value from the experimental class was 40 with an average score of 66.4. The experimental class has a higher score because the use of the Problem Based Instruction (PBI) learning method is easier to understand and easy for students to understand. Keywords: problem based instruction, learning outcomes, respiratory system. DOI: http://dx.doi.org/10.23960/jpmipa/v23i2.pp448-45
Development of Pretest-Posttest Assessment Based on Coffee Peel Utilization Project to Measure Students Creative Thinking Skills
Get PDFThis study aims to develop a project-based pretest-posttest assessment of the use of coffee husks. This study used the research and development method of the ADDIE model until the development stage. At the analysis stage, a literature study and a preliminary study were conducted. At the design stage, planning and preparation of an initial draft in the form of a pretest-posttest assessment were carried out. In the development stage, two science education experts validated the suitability of the content and construction of the pretest-posttest assessment with Torrance's creative thinking skills indicator framework. The product of the validation results was then responded to the suitability of the content and construction aspects of creative thinking skills indicators by the three science teachers. The results of expert validation and teacher responses indicated that the pretest-posttest assessment instrument product is very suitable to be used to measure students' creative thinking skills in integrated learning based on coffee peel utilization projects.Keywords: pretest-posttest assessment, coffee peel utilization projects, creative thinking.DOI: http://dx.doi.org/10.23960/jpmipa/v23i1.pp13-2
Students' Mathematical Connection Ability in Solving Circle Problems Based on Gender and Learning Motivation Perspectives
Get PDFThis study aims to determine the relationship between gender and student learning motivation on students' mathematical connection abilities in solving problems on circle material. Mixed method research design applied in this study. The subjects of this study were 34 class VIII students of SMPN 1 Bengkulu City. The sampling technique was carried out by purposive random sampling. Data collection techniques used mathematical connection ability test questions, learning motivation questionnaires, and interviews. The chi-square test does hypothesis testing. The results showed: (1) there was no significant relationship between gender and students' mathematical connection abilities, (2) a significant relationship between learning motivation and students' mathematical connection abilities with a correlation index in the medium category. The results of this study also show that male students with high learning motivation have high mathematical connection abilities on all indicators. In contrast, female students with high learning motivation have higher mathematical connection abilities when connecting mathematical concepts. Keywords: mathematical connection ability, learning motivation, mixed method research. DOI: http://dx.doi.org/10.23960/jpmipa/v23i4.pp1683-169
Inquiry Learning Model in Chemistry Education: A Systematic Literature Review
Get PDFCurrently in the 21st century, students are required to master various abilities and thinking skills. Students' abilities do not develop well with learning that only focuses on convergent thinking training. As a result, students have difficulty in developing and improving their ability to master the learning material. Therefore, it is necessary to have an appropriate learning model to improve students' abilities. Based on this, one of the alternative learning models that can improve students' abilities is the Inquiry Learning model. This article aims to provide an overview of the application of the Inquiry Learning model to the achievement of learning objectives in chemistry so that it can improve students' abilities. The method used is a systematic literature review from a literature review with relevant and reputable sources during the period 2017 to 2021. The results show that the inquiry learning model was able to improve students' ability to learn chemistry. Keywords: chemistry, critical thinking, inquiry learning model. DOI: http://dx.doi.org/10.23960/jpmipa/v23i2.pp681-69
Development of Science Literacy-Based Cognitive E-Assessments on Chemical Bonds
Get PDFThis study aims to develop scientific literacy-based cognitive e-assessments on chemical bonds and describe the validity, teacher responses, and student responses to the developed e-assessment. The research design used in this study was a research and development (R&D) design according to Gall, Borg, & Gall (1996). The instruments used in this study were expert validation questionnaires, teacher response questionnaires, and student response questionnaires. The data obtained from validators, teachers, and students were then analyzed by descriptive statistical analysis method. This scientific literacy-based cognitive e-assessment uses 4 aspects of scientific literacy, namely aspects about the knowledge needed for intelligent participation in science-based social problems, aspects about the ability to think critically about science and dealing with scientific expertise, aspects about understanding science and its applications, and aspects about understanding science and its applications. knowledge of the risks and benefits of science. This e-assessment was created to measure students' scientific literacy. The results of expert validation and teacher responses on aspects of content suitability, construction aspects, and readability aspects indicate a very feasible category. The results of student responses on the construction aspect and the readability aspect showed the criteria were very feasible. Thus, the scientific literacy-based cognitive E-assessment on the chemical bonding material developed can be said to be valid and feasible to use.Keywords: cognitive e-assessment, chemical bonding, scientific literacy.DOI: http://dx.doi.org/10.23960/jpmipa/v23i4.pp1320-132
Empowering Higher Order Mathematical Thinking Skills with the e-PINTER Model in Blended Learning
Get PDFThis study aims to determine whether the e-PINTER mathematics learning model can improve students' higher-order thinking skills in blended learning settings. The population of this study was all seventh-grade students of Junior High School (SMP) in Purworejo Regency. The research design used a one-group pre-test and post-test design to determine the improvement of higher-order thinking skills. The sampling technique used was stratified cluster random sampling, so that the students of SMP 5 Purworejo, SMP N 11 Purwoprejo, and SMP N 23 Purworejo were obtained as research samples. The data analysis technique used paired t tests. The results showed that the application of the e-PINTER mathematics learning model could improve students' higher-order thinking skills in blended learning settings. The results of the study have a significant effect on learning mathematics so the empowerment of students' higher-order thinking skills in mathematics should be the center of attention for learning mathematics as a whole. Keywords: e-PINTER learning model, blended learning, higher-order thinking skills. DOI: http://dx.doi.org/10.23960/jpmipa/v23i2.pp832-84
Scientific Attitude of Prospective Science Teachers in Indonesia: A Psychometric Evaluation
Get PDFThe purpose of this study was to evaluate the scientific attitude of prospective science teacher students as well as to validate the scientific attitude assessment instrument that had been developed (Moore & Foy, 1997). This research procedure includes adapting the instrument, analyzing the content validity, delivering the instrument to sample and evaluating the research data. The data obtained were analyzed statistically using factor analysis techniques to determine the contribution of each item, analysis the reliablity and Pearson product moment correlation. The research sample was 525 prospective science teachers who were taken by using random technique at University of Lampung. The results showed that scientific attitude consisted of 4 main factors, namely science is about understanding, explaining, and aiming to help other people's lives better (factor 1), I want to become a scientist (factor 2), the task of a scientist (factor 3), and science is rigid (factor 4). Furthermore, factor 3 and factor 1 as the dominant scientific attitude possessed by students, followed by factor 2 and factor 4. The scientific attitude was dominated by the understanding that science is about understanding and explaining scientific facts and the obligations of a scientist. . But they themselves do not really want to be a scientist. The structural model was declared valid, and according to the model fit index criteria, χ2 / df, GFI, AGFI, RMR, RMSEA, CFI, NFI, dan IFI with successive values of 1.331/(p < 0.05); 0.981; 0.968; 0.022; 0.025; 0.91, 0.988; 0.954; 0.937. Keywords: scientific attitude, academic achievement, factor analysis DOI: http://dx.doi.org/10.23960/jpmipa/v23i2.pp419-42