This study aims to apply the model Principal component Analysis to reduce multicollinearity on variable currency exchange rate in eight countries in Asia against US Dollar including the Yen (Japan), Won (South Korea), Dollar (Hongkong), Yuan (China), Bath (Thailand), Rupiah (Indonesia), Ringgit (Malaysia), Dollar (Singapore). It looks at yield levels of multicolinierity which is smaller in comparison with PCA applications using multiple regression. This study used multiple regression test and PCA application to investigate the differences in multicollinearity at yield. From this research, it can be concluded that the use of PCA analysis applications can reduce multicollinearity in variables in doing research.

This study presents students’ feedback and learning impact on design and development of a multimedia learning in Direct Problem-Based Learning approach (mDPBL) for Computer Networks in Dian Nuswantoro University, Indonesia. This study examined the usefulness, contents and navigation of the multimedia learning as well as learning impacts towards mDPBL approach which used. A total of 276 students who took Computer Networks subject from two different departments participated in this study of a quasi-experiment in year 2016. Two different ways of teaching, one the normal of teaching/traditional approach, another one using mDPBL approach of teaching. However, the purpose of this study, Analysis and report in this study only the feedback of the students participated in mDPBL group (n=136). Nearly all students have positive feedback of the multimedia learning especially usefulness, contents and navigation, and also they have positive feedback of the mDPBL teaching approach. While, the overall feedback towards mDPBL approach presented in the findings/results section.

Learning Indonesian in elementary schools can help students get to know themselves, their culture and other cultures, express ideas, participate in society, and discover and use the analytical and imaginative abilities that are present in them. In the implementation of Indonesian language learning there are many gaps, so it is less able to achieve the specified learning objectives to the maximum. This research was conducted in class 5 of Totosari Elementary School No. 102 Surakarta, Indonesia. The purpose of this research is to explore obstacles in the process of learning Indonesian in elementary schools. This research uses a case study approach. Data collection was carried out by observing the Indonesian learning process, interviewing, and examining the average student test scores. The collected data were analyzed using interactive analysis according to Miles and Huberman. The results of his research are 1) The teacher has not used the media in the learning process especially Indonesian Language learning; 2) Learning is carried out is still conventional; 3) Students in learning tend to memorize subject matter. Through learning innovations that are in accordance with the characteristics of elementary school students are expected to be able to create meaningful learning.

The curriculum of an elementary school of Indonesian education currently emphasizes the affective aspects as a result of student learning for the sustainability of national development. This fact encourages teachers the responsibility to create and develop effective learning tools to foster tolerance, nationalism, be communicative and friendly, love peace, and social care. The objective of the study is to analyze the needs of students in elementary schools towards the development of educational comics to foster character development. This study uses qualitative approach. Participants were 120 fifth grade students. A questionnaire was used to collect the data of the study. The data were analyzed using an interactive model. The results of the study revealed that there was an interest of students in comic media as a teaching aid containing local wisdom values for character education. In the aspect of construction, comics are needed that are related to the ideal scope and size of the comics. In the aspect of content required comic material set in a national culture containing local wisdom, presentation of the story with the contents of an illustration of nationalism and social awareness. As for the design aspect and appearance, characterizations of cartoons are needed, involving a variety of colors, fonts of proportional size. The conclusion of this research is the development of educational comics media with local wisdom is needed to fulfill the needs of elementary school students as an effort to foster character.

Teacher professionalism is needed for quality education. The current practice for increasing teacher professionalism is to use skill applications. However, the implementation of skill applications has, in fact, not succeeded in significantly increasing teacher professionalism. This study aims to explain the importance of an effective skill application model coupled with a comprehensive approach to raise the level of teacher competence. This study is qualitative with its data derived from observations, interviews, and questionnaires. The paper's research findings show that existing programs are not sufficiently enhancing teacher competencies and professionalism. Various teacher professional development activities are conducted; however, there has been no continuous post-activity follow-up. These professional development activities tend only to fulfill the administrative requirements for teacher promotion. What is needed is a comprehensive and continuous teacher professionalism assessment model, which is underpinned by a system of mentoring. This study has implications for evaluating the teacher's professional competencies. More comprehensive skill applications need to be formulated as part of an integrated, sustainable, and mentoring [terpadu, sustainable, pendampingan-TSP] approach to develop teacher professionalism significantly.

This study aimed to develop an instrument to assess science teacher candidates’ professional and pedagogical competence in the Industrial revolution 4.0. The instrument consisted of 30 questions and was used in the main study, which was analyzed using the Rasch model to unravel the reliability and empirical validity. The questions were developed based on a predetermined grid including the skills and literacy aspects used in the industrial revolution 4.0. The 30 revised questions were then tested on 60 students of Science Education at two State universities in Indonesia who were in their third year of study times. The Rasch model was employed to test its reliability and empirical validity that included Wright map analysis, item difficulty level, distractor analysis, and item suitability with the Rasch model. The results showed that the reliability value of the professional aspect was .95 and classified as an excellent category. Moreover, the pedagogic aspect obtained .93 and was classified as a very good category. Only one question was the most difficult and did not fit the Rasch model, while the others already fitted. This reliable and valid instrument is suggested to be useful in assessing pre-service science teachers’ competence.

This study aims to develop a learning model based on 4C skills to improve high school students’ mathematical critical thinking skills. Research & development is the design used in this research by applying Plomp’s development theory which consists of three phases, namely needs analysis, design and implementation, and evaluation. This research was conducted at Madrasah Aliyah Negeri 2 Parepare, South Sulawesi, Indonesia involving five experts, four teachers, and 20 students. Data collection and analysis were carried out qualitatively and quantitatively. Analysis of interviews’ data and observations qualitatively with the thematic analysis technique. We also analyse data from validation sheets, questionnaires, and mathematical essay tests with the help of SPSS 20.00. The results show that students and lecturers need a learning model to improve mathematical critical thinking skills. In addition, other findings stated that the learning model developed was proven to be valid, practical, and effective to be used in general. Developing your learning model can further improve students' learning outcomes and mathematical critical thinking skills because they are designed based on the actual needs and problems. For this reason, a teacher must be able to design his learning model.

This research aims to explore students' learning obstacles in solving fraction problems in elementary school. This qualitative research used a case study method. The research subjects involved 30 third-grade elementary school students from two different schools in Bandung City, Indonesia. The instruments utilized were test and non-test. The test technique was done by giving fractional material questions, while the non-test technique was in the form of interviews. The data collected were then analyzed employing the three stages of the Miles and Huberman model, including data reduction, data presentation, and drawing conclusions. The study findings revealed that students experienced epistemological obstacles, where students experienced limited knowledge, ranging from the basic concepts of fractions, fractional arithmetic operations, and fraction problem-solving. Based on these findings, teachers can construct learning designs with appropriate didactic situations as a follow-up to minimize the occurrence of similar learning obstacles in future fractional learning materials.

Currently, physics education is a science that is still considered abstract by many students and the public. Thus, there is a need for information on the current trends in physics education to adapt to the current situation. Based on the Scopus, the research objective is to explore the ongoing trends in the last ten years and during the COVID-19 pandemic. This research is a bibliometric and bibliometric analysis. The findings show that research related to physics education is dominated by the most developed during the COVID-19 pandemic (2020 – 2021) countries Indonesia. Meanwhile, the Journal of Physics Conference Series is the journal that publishes the most publications (Scopus) related to physics education, followed by the AIP Conference Proceeding. Research implication to research, librarian, and policy maker (1) Research and development need to be carried out in-depth related to the growing trend of physics education so that it can be published in Scopus. (2) Cooperation and collaboration between other universities to increase publications at the international level. (3) The need for continuous research to follow current trends.

Traditional houses are part of the culture of every country. Indonesia is a country that has a variety of traditional houses. The traditional Banyuwangi house is known as the Using house. This house can be explored in terms of ethnomathematics and used as part of learning mathematics. This research is focused on knowing and describing mathematics learning that integrates the ethnomathematics of Using house, thematic, and connected models. The research was also conducted to determine the effectiveness of the learning that has been carried out. The results showed that the use of the Using house in ethnomathematical-thematic-connected-based mathematics learning: (1) could be done using the trivium concept (literacy, matheracy, and technoracy); (2) can be done thematically by integrating four subjects (Indonesian, social sciences, fine arts, and mathematics); (3) can be connected by integrating two mathematical concepts (two-dimensional geometry and arithmetic); (4) through seven phases of learning; and (5) effective because 80% of students can solve problems as expected.

This study aimed to investigate the influence of innovation leadership on teacher commitment through organizational culture as a mediating variable. A quantitative approach using the survey method was used, and the sample was selected using proportional random sampling. The respondent consisted of 180 teachers from public vocational schools in Magelang. In addition, data were collected by questionnaire and analyzed by a structural equation model (SEM). The result showed that innovation leadership influenced organizational culture with a t-value of 2.95 > ttable (1.98) at .26. In contrast, organizational culture influenced teacher engagement with .27 and a t-value of 3.10 > ttable (1.98). Innovative leadership directly affected teacher commitment at .31 with a t-value of 3.41 > ttable (1.98) due to organizational culture being a mediating variable at .07. The overall influence on teachers' commitment through the organizational culture is .38. The analysis results explain that organizational culture can successfully mediate the relationship between innovation leadership to teachers' commitment. Therefore, these variables can be developed and implemented in schools to increase student achievement quality.

In some places of the world, disasters occur virtually every day. If disasters are not properly foreseen, they may result in many fatalities. This research aims to examine the growth and pattern of literature on natural disaster education in schools. This analytical strategy combines quantitative and statistical methods to discover trends, assess quality, and track development. A total of 216 documents were chosen from the 403 documents collected. Following 2015, there was a considerable increase in four-year publications. Authors from the United States contributed to 45 papers with 37% citations and ranked first, followed by authors from Japan (31 documents; 15% citations) and Indonesia (31 documents) with rankings citations below the top 10. Most publications were published in the International Journal of Disaster Risk Reduction (12 docs; Q1 Scimago Journal Rank 1.1 (SJR 1.1)). The Journal of Child Psychology and Psychiatry and Allied Disciplines had the most citations (100; Q1 SJR 3.6) and was ranked first in its discipline. The existing core literature on school education on natural disasters demonstrates that this topic is developing rapidly, but with insufficient international research collaboration. Research cooperation in this area must be strengthened to better the global response to natural disaster mitigation, which should begin in schools worldwide. There is a need to widen the scope of study in this field to include natural disaster preparedness education in the school curriculum, assessments, learning media, disaster response education, and instructional designs. Finally, disaster education in schools must be addressed as soon as possible to contribute to disaster preparedness.

This research analyzed the involvement of teachers, parents, and school committees in improving scientific attitudes in science learning using Rasch model analysis. A survey method was used in this quantitative study. Participants in the study were selected using a purposive sample of 174 teachers, parents, and school committees in Sleman and Kebumen Regencies, Indonesia. A questionnaire was used in data collection to determine the involvement of teachers, parents, and school committees in improving scientific attitudes toward science learning. The questionnaires were completed using a Likert scale of 1-4, and the data were then analyzed using the Rasch model. The result showed that all participants were the average logit items (+1.03 logit). The reliability was 0.89, indicating a positive response to improving students' scientific attitudes. The results of the Rasch model analysis suggested that the involvement of parents, teachers, and school committees in improving scientific attitudes differed according to their roles. Each instrument element was analyzed in more detail in the Rasch model. Participants' roles were reflected in the specific involvements of teachers in learning, parents at home with children, and school committees participating in school policy-making.

This study aims to investigate the relationship between the science learning skills of primary school teacher candidates and various variables. A correlational survey design was used in the study as a research methodology. With the correlational survey design, the relationships between the science learning skills of the primary school teacher candidates and some variables were examined and their effectiveness in predicting their science learning skills was determined. This study was conducted on 160 teacher candidates in the spring term of the 2019-2020 academic year. As a result of the study, a high level of correlation was found between the science learning skills of the primary school teacher candidates and their self-efficacy belief in science education. In addition, it was found that 38% of science learning skills were explained by attitudes and beliefs. In other words, it was seen that the affective characteristics of pre-service teachers about science significantly affected their science learning skills. In the light of these results, it is recommended to carry out studies in the education process to develop the necessary skills before considering the cognitive competencies of primary school teachers about science. They should also develop positive feelings towards science and gain the understanding that science is not a field of memorization, but a fun field necessary to make sense of the world.  

The definition of creativity among professional mathematicians and the definition of mathematical creativity in the classroom context are significantly different. The purpose of this study was to investigate the relationship between students’ mathematical creativity (i.e., cognitive flexibility) and figure apprehension when solving geometric problems with novel auxiliary features such as straight lines and curved lines. In other words, this study determined if geometry knowledge influenced mathematical creativity (cognitive flexibility) in problem-solving. Grade-12 students participated in the intervention. The high school that is the research topic attempts to equip students with academic abilities and is, except for vocational schools, the most popular form of high school among all other types. Such a school was chosen for the study so that a significant proportion of students in Makassar could be represented. In this study, we discovered a relationship between cognitive flexibility and the geometric ability of pupils while solving problems involving auxiliary lines. This indicates that the usage of auxiliary lines as a reference for developing pupils’ creative thinking skills must be advocated. In addition, good geometric abilities (e.g., visual thinking, geometrical reasoning) will encourage pupils to generate various problem-solving concepts. This finding contributes significantly to future research by focusing on auxiliary lines.

This study uses structural equation modeling (SEM) analysis techniques, with the aim of testing the structural effect of family support, entrepreneurial training, on entrepreneurial intentions, with self-efficacy and student achievement motivation as mediators. A total of 203 students participated in this study, through a questionnaire distributed online. The SEM analysis was performed using the Amos 24 App. The results showed that the family environment and entrepreneurship training had a direct and indirect effect on entrepreneurial intentions through self-efficacy and student achievement motivation. The model proposed and tested in this study can be a constructive guide for related parties in an effort to promote students' entrepreneurial intentions.

This research aims to prove and find out the influence of local wisdom-based learning media on the character of students in Indonesia. This research uses a quantitative method with a meta-analysis approach. The research data were analyzed using the 0.8.5 version of JASP software. The eligibility criteria used include: (a) The publications must be searchable in search databases such as Google Scholar, ERIC, DOAJ, Research Gate, and or ScienceDirect; (b) The publications are reputable indexed; (c) The publications must relate to learning media based on local wisdom and student character; (d) The publications must be in the range of 2015 to 2023; (e) The articles are worth (r), (t), or (F); (6) N ≥ 30. The results of the analysis of 30 studies showed that there was a significant effect of learning media on the character of students in Indonesia (z = 9.700; p < .001; 95% CI [.987; 1.487]). This effect is categorized as very strong (rRE = 1.237). This meta-analysis study is the result of accurate, valid, and representative research reviewed because publication bias was not detected. Thus, it can be concluded that learning media based on local wisdom has a big influence on student character.  

Learning geography in Indonesia philosophically aims to develop spatial literacy. Students must improve spatial literacy to form reasoning skills and apply spatial concepts in real life. Applying Gersmehl's spatial learning can improve students' spatial literacy through syntax arranged based on spatial aspects. The use of google earth helps students to complete case studies of disaster mitigation materials without the need to go directly to the field. This quasi-experimental research refers to the posttest-only control group design by comparing the posttest of spatial literacy in the experimental and control classes. This study involved students of class XI IPS SMAN 1 Blitar City. The instrument is a five-point description test based on indicators of spatial literacy in disaster mitigation materials standardized with validity and reliability tests. The research data were analyzed using normality, homogeneity, and hypothesis tests. The data tested were in the form of posttest scores for spatial literacy in the experimental and control classes. The results of Gersmehl's spatial learning influence spatial literacy. The use of LKPD bridges the implementation of spatial learning syntax with Google Earth as a geospatial medium. The implementation of syntax in spatial learning is interrelated with spatial literacy indicators, thereby increasing students' spatial literacy based on experience and spatial recognition.

The mathematical literacy ability of Indonesian pupils is still relatively low, as indicated by Indonesia's score of 379 for mathematical literacy in PISA 2018. Paying attention to the learning process such as the teaching materials used in learning, is one of ways to increase mathematical literacy skills. To strengthen students' mathematical literacy skills, it is great for building qualified mathematics teaching materials with the nuances of science, technology, engineering, and mathematics (STEM) which are supported by the information and communication technology (ICT)-assisted Preprospec (Prepare, Problem Solving, Presentation and Conclusion) Learning Model. The research method used in this study is research and development (R&D), with the main reference of 4D-model development by Thiagarajan, whose stages are limited to define, design, and develop. The results showed that the feasibility test on teaching materials obtained the total average percentage of validator I to validator V, respectively, 90.19, 95.45, 93.90, 91.95, and 97.95 with very eligible criteria. It is easy to understand by students with a readability score of ρ = .109 > α = .05 or Cochran's Q = 13.091, and it can improve students' mathematical literacy skills, as evidenced by the Wilcoxon test and a gain normalization result of 485.

This study aims to investigate the perceptions of Generation Z students about ideal learning after the pandemic in Indonesia. This research uses a qualitative design with a phenomenological approach. There were 30 students from 6 different campuses in Serang City, Banten, Indonesia, who used a purposive sampling technique as research participants. Data collection was carried out using semi-structured interviews, which were then analyzed using thematic analysis techniques. The findings of this study state that there are four main themes regarding ideal post-pandemic learning, namely: (a) learning that is not monotonous, (b) equal portions of theory and practice, (c) ideal learning managed by an ideal lecturer, and (d) the need for the application of blended learning. This research contributes to the current literature on designing ideal learning on campus after the COVID-19 pandemic.