Digital Commons Network^™

Ergonomics And Injury Prevention Education In Canadian Ophthalmology Residency Programs: A Survey Of Program Directors, Hargun Kaur, Changseok Lee, Jim S. Xie, R. Rishi Gupta, Rookaya Mather

Journal of Academic Ophthalmology

Background: Work-related musculoskeletal disorders (WMSDs) are common among ophthalmologists. WMSDs are particularly associated with microscope use, awkward surgical postures, and nonergonomic equipment design. Symptoms can begin early in residency and may negatively affect trainees’ long-term musculoskeletal health, surgical performance, and career longevity.

Methods: A cross-sectional survey of all 15 Canadian ophthalmology residency program directors (PDs) was conducted, with follow-up emails sent at 2- and 3-week intervals. The questionnaire was designed to elicit information on program characteristics, existing ergonomics education, instructional methods, barriers to implementation, and perspectives on future curriculum development.

Results: Twelve of 15 program directors (80%) …

Optimism And Its Association With Psychological Stress Among A Sample Of Graduate Students At King Abdulaziz University, Shahad Fawzi Abdulgadoos, Lama Wasel Aloufi, Eradah Omar Hamad, Iman Aly Almohammadi

University of Bisha Journal for Educational Sciences

This study aimed to examine the level of optimism and psychological stress among graduate students at King Abdulaziz University (N = 152), and to measure the relationship between these two variables. It also seeks to investigate differences in the mean scores of optimism and psychological stress based on demographic variables (gender, specialization, and academic level). The researchers employed the descriptive correlational approach, utilizing the short version of the Personal and Self-Efficiency Optimism (Gavrilov-Jerković et al., 2014), and the Perceived Psychological Stress Scale (Cohen et al.,1983) translated by Al-Rubkhi (2016). The results showed that participants reported a high level of optimism …

The Level Of Use Of Artificial Intelligence Applications In Teaching Mathematics From The Perspective Of Mathematics Teachers And The Challenges They Face, Yahya Hijab Alhazmi

University of Bisha Journal for Educational Sciences

The research aimed to identify the extent to which secondary school mathematics teachers utilize artificial intelligence applications in teaching, and to identify the challenges they may face. Using a descriptive survey methodology and data collected from an electronic questionnaire developed by the researcher (and after verifying its validity and reliability), the questionnaire was administered to a sample of 363 male and female teachers in secondary schools affiliated with the Jazan Education Department. The research found a moderate level of AI use among teachers and identified key challenges affecting both teachers and students. No significant differences related to gender or experience …

School Principals Attitudes Toward Using Generative Artificial Intelligence In Public Education And Being Ready To Implement It, Saad Theeb Ali Alaklabi

University of Bisha Journal for Educational Sciences

This study aimed to investigate school directors’ attitudes towards implementing generative artificial intelligence (AI) and to measure their level of readiness for its application. The study employed a descriptive survey methodology and was applied to a comprehensive sample comprising all study population members of school directors in Bisha Governorate, with 110 directors responding. The study relied on a questionnaire as the primary data collection instrument. Results revealed that directors’ attitudes towards implementing generative AI were at a moderate level, while their application readiness also scored moderately. In contrast, results showed very high agreement regarding the advantages of using generative AI, …

The Impact Of Differentiated Instruction Strategy In Life Skills And Family Education On The Development Of Twenty-First Century Skills Among Sixth-Grade Primary Students, Tahani Khalid Al-Jubair

University of Bisha Journal for Educational Sciences

This study aimed to identify the effect of using the differentiated instruction strategy in the Life Skills and Family Education course on developing 21st-century skills among first-grade intermediate female students. The researcher adopted a quasi-experimental design. The study sample consisted of (50) first-grade intermediate students from Fatimah Al-Zahra Intermediate School, affiliated with the Eastern Province Education Office in the city of Dammam, during the academic year 1446 AH. The sample was equally divided into two groups: an experimental group (25 students) and a control group (25 students). To achieve the study objectives, a 21st-century skills questionnaire was developed, along with …

Disgust Sensitivity And Orderliness, Ari Rad

SACAD: Scholarly Activities

This literature review serves as a map for understanding the relation between disgust sensitivity and trait orderliness, with a focus on a cybernetic framework to conceptualize the emotion of disgust as an evolutionary system. It adopts a systematic approach that begins with the evolutionary foundations and basic definitions of disgust as an emotion, trait orderliness, and, lastly, the process by which these traits could be pathologized. The pathologization is explained within the hypothesized cybernetic system (the Cybernetic Disgust-Orderliness Hypothesis) with the goal of demonstrating the interdependency of trait orderliness and the emotion of disgust. The body of research regarding the …

Impact Of One Nucleotide On Organ Enumeration And Phyllotaxy In Arabidopsis Thaliana, Hazel R. Frans, Tara Phelps-Durr

SACAD: Scholarly Activities

Arabidopsis thaliana is a model organism used by scientists to study plant genetics, development, and physiology. CRISPR-Cas9 is a biotechnology tool adapted from a bacterial defense mechanism to precisely edit DNA using a guide mRNA and a Cas9 protein. This project aims to create CRISPR-CAS9 mutations in the APETALA3 (AP3) gene of the model plant Arabidopsis thaliana. AP3 is a class B gene critical to the petal and stamen development of Arabidopsis flowers. The AP3 protein contains a MADS domain, which binds directly to DNA and may be responsible for the expression of the CaRG-box genes. AP3 works in conjunction …

Bringing Worlds Together: How Social Studies Teachers Make Content Meaningful, Harley A. Payne

Honors College Theses

Secondary educators in social studies classes face the challenge of maintaining the attention of dozens of students during instruction, often on content that seems irrelevant or unimportant. Educators must find ways to emphasize that the content their students are disinterested in is useful and crucial for their development into adults. Research suggests that bridging the gap between the classroom and the real world improves classroom engagement (Cooper, 2014; Tagliaferro, 2012). Students who are engaged and exert more effort in class derive academic benefits, such as placement in advanced pathways and increased test scores (Carbonaro, 2005). Civics education and the inclusion …

Social Media’S Impact On Body Image Perception, Rachel Murino

Honors Theses

This study aims to analyze the relationship between social media use and body image perception, specifically focusing on universal and culturally unique factors. Survey data was collected from participants ages 18-47. By analyzing ethnic differences, this study seeks to identify how culture can shape beauty standards and if social media use and pressure play a role in reinforcing these ideals. The findings were expected to reveal a relationship between perceived social media pressure and negative body image perception, along with cultural trends. Results indicated a significant relationship between social media pressure and body image perception, along with a significant interaction …

Sex-Specific Differences In Lung Mitochondrial Function And Injury In Rats Exposed To Hyperoxia, Taheri Pardis, Abraham G. Taye, Devanshi D. Dave, Elizabeth R. Jacobs, Guru Prasad Sharma, Anne V. Clough, Ranjan K. Dash, Said H. Audi

Mathematical and Statistical Science Faculty Research and Publications

Hyperoxia is both an essential therapy and a contributor to lung injury in acute respiratory distress syndrome. We hypothesized that adult female rats are relatively protected from hyperoxia-induced acute lung injury (HALI) compared with males and that this protection is associated with sex-dependent differences in lung mitochondrial bioenergetics and H₂O₂ production. Adult rats were exposed to room air (normoxia) or hyperoxia (>95% O₂) for up to 60 h. Lung injury was assessed by pleural effusion, lung wet weight, pulmonary vascular filtration coefficient (K_f), histologic injury scores, and cleaved caspase-3 (CC3) staining. …

The Effect Of Low And High-Carbohydrate Diets On Memory Performance In College Students, Samia Baugh, Zoe Zajko, Jamie Analuisa, Ivanna Jacome

Department of Nutrition Student Projects

Carbohydrates are the primary source of energy for the brain and play an important role in processes related to memory performance. The purpose of this study is to examine the impact of a low-carbohydrate diet compared to a high-carbohydrate diet on memory performance in college students aged 18–22 years. For the purposes of this study, a low-carbohydrate diet is defined as a diet providing fewer than 130 grams of carbohydrates per day, while a high-carbohydrate diet provides approximately 325 grams of carbohydrates. This population is particularly important to study because college students experience high academic demands that require strong memory …

Physical Space And Democratic Citizenship: Third Place Usage And Civic Engagement Among Undergraduates, Justin L. Fintel

Honors Program: Senior Projects (Public)

This thesis examines the relationship between third place usage and civic engagement levels among undergraduate students at the University of Nebraska-Lincoln. Drawing on urban planning and political science literature, I hypothesize that students who more frequently use and interact with campus third places—which are informal communal spaces that foster community, such as coffee shops, libraries, and student unions—demonstrate higher levels of civic engagement. Using survey data from thirty-eight undergraduates and ordinary least squares regression analysis, I find strong support for my hypothesis. Third place usage significantly predicts civic engagement (β = 0.609, p < 0.001) statistically, and this relationship remains robust even after controlling for family socialization and socioeconomic status. The findings suggest that physical spaces on college campuses play an independent role in promoting democratic citizenship beyond students' pre-existing characteristics. These results have important implications for university and urban planning, while highlighting the value of investing in communal campus spaces as mechanisms for promoting civic participation.

Regulation Of Gene Expression By Small Upstream Open Reading Frames In Escherichia Coli, Andrea R. Vansledright

Honors Capstone Projects and Theses

No abstract provided.

Indirect Carbonation Of Fbc Ash For Sustainable Production Of Caco3 And Reactive Pozzolanic Residues, Suhawn Ju, Heejung Jun, Seongho Han, Minseok Kim, Soohyun Song, Mingi Cho, Sukhoon Pyo, Jinyoung Yoon

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

This study investigates the potential of indirect carbonation for CO₂ sequestration and high-purity CaCO₃ production using fluidized bed combustion (FBC) fly ash (FFA) and bottom ash (FBA). XRF and XRD analyses revealed high reactive CaO contents derived from lime, portlandite, and anhydrite. Calcium extraction using 1- mol NH₄Cl achieved markedly higher efficiency than deionized (DI) water, yielding up to 17,586 mg/L of Ca²⁺ and producing 10.2 wt.% and 8.4 wt.% CaCO₃ from FFA and FBA, respectively, with CO₂ capture capacities of 45.0 and 36.8 kg per ton of ash. The precipitated CaCO₃ exhibited …

Design Of An Adaptive Sliding Mode For Satellite Attitude Control Based On Barrier Function, Osamah A. Aldoori, Mohammed Y. Hassan, Abbas H. Issa

Iraqi Journal of Computers, Communications, Control and Systems Engineering

Sliding mode control (SMC) has demonstrated significant success in controlling nonlinear systems, particularly those subject to disturbances and uncertainties. However, due to the negative effect of the Chattering phenomenon, it has become necessary to employ an Adaptive Sliding Mode Controller (ASMC) capable of handling time-varying disturbances. This work presents a two-phase Barrier Function (BF) based Adaptive Sliding Mode Controller (BFASMC). This controller is designed to achieve robust stability and performance of nonlinear systems without prior knowledge of disturbance bounds, and applied to satellite Attitude control. The first phase is a constant gain adaptation to ensure rapid convergence, while, the second …

Morphology, Phylogeny And Distribution Of Scaeurgus (Cephalopoda: Octopoda) In Southeast Pacific Seamounts, Sergio A. Carrasco, Christian M. Ibáñez, Andrea I. Varela, Jan M. Tapia-Guerra, Erin E. Easton, Javier Sellanes

School of Earth, Environmental, & Marine Sciences Faculty Publications

Octopuses of the genus Scaeurgus inhabit upper bathyal benthic habitats and are composed of five recognized species. In this study, we conducted morphological and molecular phylogenetic analyses of two individuals of Scaeurgus and provided additional field observations of the genus in seamounts of the Nazca and Salas y Gómez ridges (southeast Pacific Ocean) over the last six years. Specifically, two specimens of Scaeurgus were collected at 234 m depth in 2019 during the EPIC oceanographic cruise onboard the R/V Mirai (JAMSTEC, Japan), and five other specimens were video recorded at depths between 210 and 340 m during three oceanographic expeditions …

Untangling Impacts Of Socioeconomic Position, Chronic Disease, And Low-Level Pm2.5 Exposure On Mortality Among Native American Medicare Beneficiaries, Judy Wendt Hess, Wenyaw Chan

Faculty, Staff and Student Publications

Ambient fine particulate matter (PM2.5) is associated with increased mortality at concentrations below current regulatory standards. Studies of low-level exposure often rely on large administrative cohorts whose geographic and demographic composition may influence observed associations. In a prior analysis, we observed an association between long-term PM2.5 and all-cause mortality among Native American Medicare beneficiaries living in zip codes within the lowest decile of PM2.5 exposure. The present study, a case-control analysis of 1,713,399 low-PM2.5-exposed beneficiaries enrolled in traditional Medicare during 2015-2016, evaluated whether this association could be explained by geographic context, socioeconomic position (SEP), or baseline health status. We used …

Intelligent Mobile Application For Alzheimer's Detection And Patient's Life Management, Dilena Majid Bajalan, Muayad Sadik Croock

Iraqi Journal of Computers, Communications, Control and Systems Engineering

The defining feature of Alzheimer's disease (AD) is a gradual decline in symptoms over several years. This decline reduces the effectiveness of daily routines and leads to memory loss. Among the challenges posed by memory loss are difficulties in remembering names, faces, locations, and other important details. This study introduces an intelligent mobile application designed to assist in managing a patient's daily life, with an emphasis on routine activities and monitoring episodes of memory loss. Additionally, the application aims to detect Alzheimer's disease (AD) using a proposed deep learning model. The suggested Convolutional Neural Network (CNN) deep learning model is …

Design And Numerical Analysis Of A High-Quality Factor Plasmonic 1 × 3 Demultiplexer Based On Mim Waveguides, Karrar A. Kzar, Ahmed Ghanim Wadday, Sinan M. Abdulsatar

Iraqi Journal of Computers, Communications, Control and Systems Engineering

This study aims to design plasmonic filters as essential components in photonic integrated circuits,based on surface plasmon polaritons (SPPs).Surface plasmon polaritons (SPPs) are electromagnetic waves that are transmitted at metal-insulator boundaries.Optical apparatuses founded on SPPs have been widely planned too deliberate because of their outstanding possessions, like beat the diffraction limit and treatment light at subwavelength range and at high speed in minor constructions. Design and analyzing a compact 1 × 3 optical demultiplexer in a plasmonic nano structure be also designed utilize the finite element method (FEM), and the suggested structure was arithmetically simulated utilize COMSOL Multiphysics 5.6 software. …

Reliability Analysis For Deep Learning Secured Wireless Sensor Networks, Abeer Hussein Abdulrasool, Ekhlas Kadhum Hamza, Ahmed Mudheher Hasan

Iraqi Journal of Computers, Communications, Control and Systems Engineering

With the advancement of software, wireless sensor networks (WSNs) face many problems and challenges, such as loss or limitation of node power resources, as well as intrusions and other cyberattacks. This study aims to improve the reliability of WSNs to mitigate the impact of cyber-attacks by applying effective detection and prevention techniques to ensure their continuous operation, as well as to maintain the security, privacy, and integrity of information. Several efficient approaches and smart techniques have been presented in literature to enhance the reliability and security of WSNs against various cyber-attacks. Recent studies focused on the deep learning (DL) algorithms …

Design And Implementation Of An Ofopid Controller For Iraqi Two Areas Power System Using Ant-Colony Optimization Algorithm, Mazin N. Ajaweed, Abbas H. Issa, Mazin T. Muhssin

Iraqi Journal of Computers, Communications, Control and Systems Engineering

This study introduces a multi-zone of the Iraqi system model powered by various energy sources, where decentralized controllers operate independently to manage the system's frequency. The system model comprises two zones: the first zone represents the north and central power plants of Iraq. The second zone incorporates the Euphrates and southern power plants of Iraq. The data of the system is obtained from the Iraqi Ministry of Electricity. To evaluate the system's performance, a load disturbance is applied to the system. The study examines various control methodologies, first with an Optimised Proportional-Integral-Derivative (OPID) controller as the baseline, subsequently progressing to …

Experimental Comparison Of Apf-Irrt*-Hs And Apf-Irrt*-Sb Path Planning Algorithms Using Robotic Manipulators, Mohammed T. Hameed, Ahmed R. Naser, Firas A. Raheem

Iraqi Journal of Computers, Communications, Control and Systems Engineering

Path planning is a fundamental task in robotic systems, especially for manipulators operating in constrained environments. The use of low-discrepancy sequence techniques in traditional planning algorithms can significantly improve performance, particularly in terms of speed of convergence and optimal path. In this work, we utilize the popular quasi-random sequence methods, the Halton and Sobol sequences, to explore their impact on the Rapidly Exploring Random Tree (RRT) algorithm. The APF-RT*-HS and the APF-RT*-SB are path-planning algorithms that are experimentally compared in this paper in terms of path length and the number of iterations, which are essential factors affecting robot energy efficiency …

Secret Key Generation From Real-Time Audio In Communication Apps, Rasha M. Mohsin

Iraqi Journal of Computers, Communications, Control and Systems Engineering

Social media platforms security growing challenge of Security vulerabilities, underscoring for secure communication channels and robust user privacy safeguards. Althought key exchange protocol of the Diffie-Hellman (DH) widely adopted, remains various attacks of susceptible asnumber_theoretic exploits, Discrete Logarithm Attacks (DLAs) and Man_in_the_Middle Attacks (MITMAs). This study aim to generate cryptographic key depend on WAV audio files. By operating the entropy and distinctiveness of speech and ambient sound. Audio features has extracting by system to generat secure keys compatible with the DH protocol. The facilitate of these keys is strong encryption and decryption processes, thereby that enhancing the security of communication. …

Path Planning For Robotic Systems In Dynamic Environments: Using Rrt*, Rrt-D* Lite, And Bi-Rrt*-D* Lite, Hameed Salman Hameed, Omar Farouq Lutfy, Firas A. Raheem

Iraqi Journal of Computers, Communications, Control and Systems Engineering

Path planning is one of the essential challenges in the area of robotic systems. In recent years, Rapidly-exploring Random Tree star (RRT*) has been a preferred path planner for robots due to its probabilistic completeness. This paper explores using three path planning algorithms for a mass point robotic system navigating dynamic environments with RRT*, Bidirectional Rapidly-exploring Random Tree (Bi-RRT*), and a novel hybrid approach (Bi-RRT*-D Lite*). The study shows the performance of these algorithms in terms of the path length, the path generating time, the number of search attempts, and the percentage error. In addition, it compares the Bi-RRT* and …

Federated Learning With Deep Learning: A Comprehensive Survey, Sarah H. Mnkash, Faiz A. Alawy, Israa T. Ali

Iraqi Journal of Computers, Communications, Control and Systems Engineering

Federated Learning (FL) introduces a decentralized machine learning paradigm where model training occurs directly on user devices, ensuring data privacy by keeping sensitive information local. This approach ensures data privacy and security by keeping all sensitive or personally identifiable information local to the device, thereby eliminating the need to transfer or centralize raw data. In this survey, we examine federated deep learning — its challenges, recent developments, application domains, privacy preservation strategies, and future trends. We will give some primitive reference papers of the heterogeneity of statistics and systems, communication cost, fairness, and trust. Applications in health, Internet of Things …

Enhancement Dijkstra Algorithm Approach For Path Planning Navigation, Ali Alyasin, Eyad I. Abbas, Jabbar K. Mohammed

Iraqi Journal of Computers, Communications, Control and Systems Engineering

Mobile robots are developing rapidly compared for modern information technology and are used in many fields, such as medicine, industry, military services, and all public services. However, the challenges facing these technologies are significant, including positioning, environmental awareness, path planning, and motion control. Greedy algorithm, Dijkstra algorithm is used for make the path planning better process for ensure increased navigation efficiency. The algorithm uses graphs to find the shortest path between two nodes in a weighted graph by repeating the process. calculating how far things have gone. The initial process of calculating the shortest path speeds up the proposed algorithm's …

A Lightweight Cnn Baseline For Offline Handwritten Digit Recognition On Mnist: Design And Evaluation, Raid Ismael Mohammed

Iraqi Journal of Computers, Communications, Control and Systems Engineering

Handwritten digit recognition is a classic computer vision task, often used as a benchmark for image classification models. This paper presents a lightweight convolutional neural network (CNN) baseline for offline handwritten digit recognition using the MNIST dataset. The proposed CNN has a simple architecture (two convolutional layers with max-pooling, followed by a flattening and two fully connected layers) and is designed to be computationally efficient while achieving high accuracy. We train the model with standard settings (Adam optimizer, batch size 128, ∼10 epochs) and obtain ∼98–99% recognition accuracy on MNIST. We provide a detailed evaluation including training curves and a …

Improving The Tracking Performance Of Par-4 Robot Using Nature-Inspired Optimization Algorithms To Tune The Pid Controller, Shaymaa M. Mahdi, Ahmed I. Abdulkareem, Amjad J. Humaidi

Iraqi Journal of Computers, Communications, Control and Systems Engineering

The Par-4 Delta parallel robot is a powerful candidate in most pick-and-place applications that require high speed, high acceleration, and high precision. Improving the tracking accuracy of parallel robots primarily relies on control design, which is essential for achieving enhanced performance and precision. The PID controller includes proportional, integral, and derivative values. On the other hand, the process of optimum tuning for a PID controller is complex and time-consuming until optimization approaches are employed. The Particle Swarm Optimization (PSO), Flower Pollination Algorithm (FPA), and Whale Optimization Algorithm (WOA) algorithms are the three Nature-Inspired Optimization algorithms proposed in this research for …

Implementation Of An Occupational Therapy-Led, Sensory-Based Intervention In A Secure Children’S Home: A Qualitative Study Of Staff Experiences, Kevin Steede, Alison Warren

School of Health Professions

The Just Right State program (JRSP) is an occupational therapy-based, sensory intervention designed to support self-regulation. Qualitative methodology was used to explore the experiences of five members of staff working in a secure children’s home in training in and implementing the JRSP under the guidance of occupational therapy staff. Using thematic analysis four themes emerged: Sensory regulation training enhanced staff wellbeing, Sensory regulation as a new lens in a unique environment, Embedding theory in practice, and Considerations for the experiential JRSP training. The findings provide insights into effective training and implementation of sensory modulation interventions.

Performance Analysis Of A Converted Electric Underbone Motorcycle: A Combined Dynamometer And Road Test Approach, Dhimas Oki Permata Aji, Sigit Suwarto, Yunus Ari Rokhim

Journal of Mechanical Engineering Science and Technology (JMEST)

In developing countries, converting traditional underbone motorcycles to electric vehicles transforms sustainable transportation from a theoretical concept to a practical implementation. This paper describes the design and operational performance evaluation of an electric underbone motorcycle conversion system that integrates a 2.0 kW, 72 V BLDC motor and a 72 V, 20 Ah lithium-ion battery pack. Compared to previous studies, this paper combines, for the first time, both dynamometer and road tests as the basis for a comprehensive performance assessment of low-cost motorcycle conversion. The dynamometer test was conducted under laboratory conditions to evaluate the test system for torque, power output, …