Penelitian ini difokuskan pada pengembangan instrumen soal model PISA berbantuan konteks dunia nyata guna mengevaluasi efektivitasnya terhadap kemampuan berpikir matematis siswa SMP. Menggunakan metode design research tipe Tessmer, penelitian ini melalui fase preliminary dan formative evaluation. Hasil evaluasi terhadap 22 siswa kelas VIII.B SMP IT Al-Furqon Palembang menunjukkan bahwa perangka…
Social arithmetic is an important material of mathematics education because it is closely related to financial learning and everyday economic activities. Nevertheless, students often struggle to grasp social arithmetic concepts such as cost price, profit and loss, percentages, and discounts. This study aims to develop a local instructional theory on social arithmetic material using the PMRI app…
This study aims to design a Local Instructional Theory (LIT) to support junior high school students’ proving process on geometric transformations through the integration of South Sumatera Songket motifs as Context for learning. Using design research, the study proceeded through three phases: preliminary design, iterative design experiments (pilot and teaching experiments), and retrospective a…
Abnormalities in the electrocardiogram (ECG) signal may be an early indication of a heart rhythm disorder. A method that can be used to identify these abnormalities is to classify heartbeats into five classes: non-ectopic beat (N), supraventricular ectopic beat (S), ventricular ectopic beat (V), fusion beat (F), and unknown beat (Q). This study proposes a combination of Transformer and BiLSTM a…
Cyberbullying is a form of bullying carried out via social media. Early detection of cyberbullying on social media is crucial for quickly and accurately identifying tweets that contain elements of bullying. This study proposes a combination of the Long Short-Term Memory (LSTM) and Transformer architectures. LSTM is used to select key features within the text, while the Transformer is used to ca…
The electrocardiogram (ECG) is a medical examination method used to record the electrical activity of the heart and plays an important role in detecting cardiac abnormalities such as atrial fibrillation. An ECG signal is considered good when the P wave, QRS complex, and T wave patterns are clearly visible and free from noise contamination. Noise is an unwanted interference signal that contamina…
Analysis of abnormalities in retinal blood vessels through deep learning methods is constrained by limited medical data, making augmentation techniques necessary to prevent overfitting. This study proposes the use of Pix2Pix Generative Adversarial Network (GAN) combined with transformation augmentation to increase the number of retinal images and generate synthetic images based on the distribut…
User reviews of telemedicine services contain important information reflecting user satisfaction and perceptions, which are categorized into three labels: negative, neutral, and positive. Automated sentiment analysis can help categorize reviews to evaluate service quality more efficiently. Gated Reccurent Unit (GRU) requires a large dataset so that the model can optimally recognize patterns. Th…
Oil palm is a strategic global commodity that plays an important role in the global vegetable oil supply. Its productivity is often disrupted by leaf attacks such as dryness, fungal disease, magnesium deficiency, and scale insects. Early detection is necessary to prevent the spread of pests and minimize losses. Manual diagnosis by agronomists is time-consuming and inefficient on a large plantat…
The scarcity of medical image datasets often poses a major challenge in training deep learning models for the early detection of Diabetic Retinopathy (DR). This study aims to address this issue through data augmentation techniques using a modified Pix2Pix GAN architecture to generate synthetic retinal images along with their semantic groundtruth. The proposed modification focuses on two main co…
Rational thinking ability is very important to be applied to help students actively think independently when solving problems in learning. Therefore, this study aims to describe the rational thinking ability of junior high school students on the learning material of the surface area of cylinders using non-routine questions. The method used in this study is descriptive qualitative. The research …
This study aims to analyze transition probabilities and determine the steady-state probability distribution of fluctuations in gold prices and the rupiah exchange rate in Indonesia using the Markov chain method. The data used in this study consists of gold price and rupiah exchange rate data from January 2022 to December 2024, which were then classified into three states: rising, falling, and s…
This study aimed to determine the effect of the contradiction argumentation strategy on the mathematical problem-solving ability of ninth-grade students at SMP Xaverius 6 Palembang. The study employed a quasi-experimental method with a one-group pretest-posttest design. The participants consisted of 24 ninth-grade students. The research instruments were essay-based pretest and posttest question…
This study aimed to describe students’ numeracy skills after the implementation of the Problem Based Learning (PBL) model assisted by Liveworksheets on exponential material. This study employed a descriptive research design conducted at SMAN 1 Indralaya Utara involving students of class X-4 in the 2025/2026 academic year selected through purposive sampling technique. Data were collected throu…
This study aims to analyze the effect of the Search Solve Create and Share (SSCS) learning model on students’ problem-solving skills. This study employs a quantitative approach using a real experiment method. The research design used is a post-test-only control design. The research sample consists of students in classes X.1 and X.3 at Indralaya Utara State High School 2. The data collection i…
Relational understanding is an important skill in mathematics education because it enables students to understand the logical and meaningful relationships between concepts. This study aims to describe the relational understanding of secondary school students on the topic of the Pythagoras Theorem using Live Worksheets. The study used a qualitative descriptive approach with subjects selected thr…
Stock return represents the rate of return obtained by investors from stock investments. The rate of return reflects the company’s performance and serves as a key consideration for investors in making investment decisions. This study aims to obtain the best panel data regression model estimation and identify the factors influencing the stock returns of food and beverage sub-sector companies l…
The quality of education is closely linked to community well-being. In the Southern Sumatra region, disparities among districts and cities persist, as reflected in variations in education and well-being indicators, such as average years of schooling, school enrollment rates, poverty, and unemployment. This study aims to analyze the simultaneous relationship between education and community welfa…
Crime is a complex social problem that continues to increase in various regions of Indonesia. The increasing number of crime cases in Indonesia, particularly during the 2021 to 2023 period, indicates the need for a more in-depth analysis to identify crime patterns and crime-prone areas. This study aims to cluster provinces in Indonesia based on crime rates and to compare the performance of the …
Crime is a complex social problem that continues to increase in various regions of Indonesia. The increasing number of crime cases in Indonesia, particularly during the 2021 to 2023 period, indicates the need for a more in-depth analysis to identify crime patterns and crime-prone areas. This study aims to cluster provinces in Indonesia based on crime rates and to compare the performance of the …
This study examines an effort to maximize the profits of Internet Service Providers (ISPs) through the design of information service financing schemes that accommodate differences in user characteristics based on economic level and intensity of usage, using a customer self-selection approach. The financing schemes considered in this study include flat fee, usage-based, and two-part tariff schem…
This study aims to develop an optimization model for internet service pricing based on Multi Attribute Utility Theory (MAUT) by incorporating nonlinear cost structures, marjinal costs, and monitoring costs for multi-segment consumers. Consumers are classified based on economic strata, namely upper and lower strata, as well as based on service usage frequency, namely high and low usage frequency…
Inventory is a critical aspect of food management that is inseparable from BULOG’s role. In carrying out its duties, BULOG serves as the agency responsible for ensuring food availability and stability particularly for rice through effective inventory control. Inventory control is the process of managing and monitoring inventory levels to ensure they remain at optimal levels. In meeting invent…
Inventory refers to the stock of goods stored in a warehouse to meet future needs. Inventory is particularly important at Perum BULOG, as the agency is responsible for maintaining the stability of food availability, including rice. Rice inventory management is susceptible to uncertainty due to fluctuations in demand and procurement timelines. This study aims to achieve optimal inventory control…
This study aims to maximize the profits of Internet Service Providers (ISPs) through the development of an information service financing model that takes into account the diversity of customer satisfaction levels using the concept of customer self-selection. Three forms of financing schemes are used, including flat-fee, usage based, and two-part tariff. The model used isa Random Utility Model (…
The performance of healthcare workers is one of the key factors in improving the quality of health services at primary healthcare facilities. Various factors related to job demands and job resources are assumed to influence healthcare workers’ performance. This study aims to analyze the determinants affecting the performance of healthcare workers at Sukajadi Public Health Center, Prabumulih. …
This study aims to develop interactive learning media based on Google Sites, integrated with Augmented Reality (AR) features, to improve fifth-grade students’ understanding of solid figure concepts. This research used the Research and Development (R&D) method, utilizing the ADDIE development model, which consists of Analysis, Design, Development, Implementation, and Evaluation stages. Data we…
This study aimed to analyze the hydraulic characteristics of the Way Ilahan River and to predict its overflow potential as a basis for flood disaster mitigation in Tanggamus Regency, Lampung Province. The research employed a quantitative approach through field measurements and hydraulic modeling using HEC-RAS software. Primary data were collected from eight river cross sections, including flow …
Waste management in Pulau Semambu Village requires efficient vehicle routing from various Temporary Waste Disposal Sites (TWD) to the Final Waste Disposal Site (FWD). This study aims to determine the optimal waste vehicle routes by applying the Modified Grey Wolf Optimizer (MGWO) method to the Demand Robust Counterpart Open Capacitated Vehicle Routing Problem with Time Windows and Deadline (DRC…
This study aims to classify the level of Automated Teller Machine (ATM) usage among students of Sriwijaya University using the Naïve Bayes method in a data mining approach. The level of ATM usage is divided into three categories, namely passive (0–2 times), moderate (3–5 times), and active (>5 times) per month. The data used is primary data collected from 120 respondents with variables inc…