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All Journal Jurnal Penelitian dan Pengembangan Pendidikan Luar Biasa International Journal for Educational and Vocational Studies International Journal of Natural Science Studies and Development (IJOSS)
Bagaskorowati, Riana
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Education Electrical & Electronics Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mathematics Social Sciences

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The Effect of The Realistic Mathematics Education (RME) Approach and The Initial Ability of Students on The Ability of Student Mathematical Connection Febriyanti, Febriyanti; Bagaskorowati, Riana; Makmuri, Makmuri
International Journal for Educational and Vocational Studies Vol 1, No 3 (2019): July 2019
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/ijevs.v1i3.2117

Abstract

This study aims to determine the effect of the Realistic Mathematics Education (RME) approach and students' initial ability to mathematical connection skills of students in grade III of elementary school. The method used is the experimental method with 2x2 treatment by level design with 30 samples. Data analysis using two-way analysis of variance and followed by the Tukey test for the significance level α = 0.05. Test the normality of the data using the Lilliefors test and homogeneity test using the Bartlett test. The results of the study show that: 1). Mathematical connection skills in students taught by the Realistic Mathematics Education (RME) approach are higher than students taught by conventional approaches. 2). There is an interaction between the use of the learning approach and the students 'initial ability to students' mathematical connection skills. 3).Ability of mathematical connection of elementary school students between students who study using the Realistic Mathematics Education (RME) approach that has a high initial ability higher than students who learn by using a conventional approach that has high initial abilities. 4) The mathematical connection ability of elementary school students between students who study with the Realistic Mathematics Education (RME) approach that has low initial abilities is higher than students who learn with conventional approaches that have low initial abilities.
Adaptive Media Based on The Game “Maze Marbles” to Improve Concentration in ADHDStudents Lestari, Virgiana Ajeng; Erlani, Lalan; Bagaskorowati, Riana
Jurnal Penelitian dan Pengembangan Pendidikan Luar Biasa Vol 11, No 1 (2024): July
Publisher : Department of Special Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um029v11i12024p%p

Abstract

This study aims to produce a product in the form of adaptive media based on the maze marbles game which will be used as a means of increasing student Attention Deficit Hyperactivity Disorder (ADHD). This research method uses the Research and Development method approach or is referred to as an innovative work research method with a research design for the development of maze marbles media using the 4D development model by Thiagarajan. The results of this study indicate that the development of adaptive media based on the maze marbles game has gone through the stages of the development process and product feasibility trials get an overall average value from the recapitulation of experts with an assessment score of 107 with a percentage of 82.30% and included in the very good category. It can be concluded that the development of adaptive media based on the maze marbles game is urgently needed as a means of supporting media and learning media, especially for students with indications of ADHD. However, the validity of increasing the ability of students needs to be carried out in stages and carried out repeatedly so that the expected ability development can be seen.
The Effect of The Realistic Mathematics Education (RME) Approach and The Initial Ability of Students on The Ability of Student Mathematical Connection Febriyanti, Febriyanti; Bagaskorowati, Riana; Makmuri, Makmuri
International Journal for Educational and Vocational Studies Vol. 1 No. 3 (2019): July 2019
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/ijevs.v1i3.2117

Abstract

This study aims to determine the effect of the Realistic Mathematics Education (RME) approach and students' initial ability to mathematical connection skills of students in grade III of elementary school. The method used is the experimental method with 2x2 treatment by level design with 30 samples. Data analysis using two-way analysis of variance and followed by the Tukey test for the significance level α = 0.05. Test the normality of the data using the Lilliefors test and homogeneity test using the Bartlett test. The results of the study show that: 1). Mathematical connection skills in students taught by the Realistic Mathematics Education (RME) approach are higher than students taught by conventional approaches. 2). There is an interaction between the use of the learning approach and the students 'initial ability to students' mathematical connection skills. 3).Ability of mathematical connection of elementary school students between students who study using the Realistic Mathematics Education (RME) approach that has a high initial ability higher than students who learn by using a conventional approach that has high initial abilities. 4) The mathematical connection ability of elementary school students between students who study with the Realistic Mathematics Education (RME) approach that has low initial abilities is higher than students who learn with conventional approaches that have low initial abilities.
Assessment of Microplastic Contamination in Coastal Waters of Southeast Asia: Implications for Marine Ecosystems and Human Health Siregar, Rahmah Juliani; Mohamed , Rasidah Binti; Bagaskorowati, Riana
International Journal of Natural Science Studies and Development (IJOSS) Vol. 1 No. 1 (2024): IJOSS
Publisher : PT Inovasi Pratama Internasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55299/ijoss.v1i1.3

Abstract

This study aims to assess the level of microplastic contamination in the coastal waters of Southeast Asia and evaluate its impact on marine ecosystems and human health. Data were collected from various coastal locations in Southeast Asia, including Indonesia, Malaysia, Thailand, and the Philippines, using standard water and sediment sampling methods. Laboratory analysis was conducted to identify and measure microplastic concentrations. The results indicate that all surveyed locations were contaminated with microplastics at varying concentrations. Microplastics were found in significant amounts in surface water, sediments, and marine organisms such as fish and shellfish. The study also explores the potential impacts of microplastics on marine ecosystems, including disruptions to the food chain and the potential for bioaccumulation of harmful substances in marine organisms. Additionally, the potential health risks for humans consuming seafood contaminated with microplastics were evaluated. These findings highlight a serious threat to both marine ecosystems and human health in Southeast Asia. The study underscores the urgent need for actions to reduce the use of single-use plastics and improve plastic waste management to protect marine ecosystems and public health. Furthermore, it recommends increasing public awareness and implementing stricter policies related to plastic waste management to reduce microplastic contamination in coastal environments.
Co-Authors febriyanti febriyanti Lalan Erlani Lestari, Virgiana Ajeng Makmuri Makmuri Mohamed , Rasidah Binti SIREGAR, RAHMAH JULIANI