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Physical Activity, Sleep, and Affect: Pathways to Work-Limiting Fatigue
This study examines how physical activity, sleep disturbances, affect, and self-rated health influence work-limiting fatigue in older workers. Data from the 2022 Health and Retirement Study (N = 12,939) included adults aged 50 and older, with measures capturing physical activity frequency, sleep disturbances, affective states, self-rated health, and fatigue-limiting work. Correlational and regression analyses revealed that physical activity predicted lower fatigue, while sleep disturbances increased it. Affect and self-rated health mediated these relationships: positive affect and health perceptions reduced fatigue, whereas negative affect and poorer self-rated health exacerbate it. Parallel mediation models demonstrated that physical activity’s protective effect operated both directly and indirectly through positive affect and self-rated health; similarly, sleep disturbances’ detrimental impact was partially mediated by negative affect and self-rated health. These findings build on the Job Demands-Resources framework and Lazarus and Folkman’s transactional model of stress and coping, demonstrating how personal health behaviors and psychological states shape occupational outcomes. Practical implications highlight the need for integrated interventions addressing physical activity, sleep hygiene, and affective regulation to sustain older employees\u27 work capacity. Strategies that foster regular physical activity and improved sleep quality, alongside affect-focused interventions, may enhance work capacity and reduce work-limiting fatigue among older employees. Future research should leverage longitudinal designs and objective health measures to better capture dynamic changes in aging workers\u27 experiences. By identifying these mediating mechanisms, this study enhances our theoretical understanding of work-limiting fatigue in aging workforce populations
CULTURAL RESOURCES MANAGEMENT CULMINATING PROJECTS PORTFOLIO: A NAGPRA INVENTORY; A BUILT ENVIRONMENT SURVEY; AND TRACKING REGULATORY UPDATES
This Master of Science Portfolio is a culmination of three Cultural Resources Management Archaeology projects. Project 1 is an inventory of human skeletal remains for the purpose of NAGPRA repatriation. Twenty-one burials, representing 24 individuals, were analyzed for minimum number of individuals, age and sex estimation, and recordation of general pathologies. The inventory included four adult females, three adult males, four adult probable females, two probable adult males, one adolescent, one subadult, two infants, one fetus, and six adults for whom neither age nor sex could be determined. The results were included in two Notices of Inventory Completion published in the Federal Register in 2024 and 2025.
For Project 2, I participated in a built environment survey and documentation for a Department of Transportation roadway improvement project in Canadian County, Oklahoma. The built environment historic resources survey documentation of 25 historic-age (built in 1979 or earlier) building complexes, 11 buildings, five structures, and one streetscape that consisted of approximately 20 resources in the downtown Calumet, Oklahoma, comprising 60 total documented resources. The resources were documented on Historic Preservation Resource Identification forms. All surveyed built environment resources were evaluated for National Register of Historic Places eligibility and recommended not eligible for inclusion under Criteria A, B, C, or D.
Project 3 consisted of tracking historic preservation and environmental regulations, both state and federal, for input and analysis in an internal database for an environmental consulting firm in the United States. The most relevant federal regulations include the Archaeological Resources Protection Act, Section 106 of the National Historic Preservation Act, the National Environmental Policy Act, the Native American Graves Protection and Repatriation Act, the Clean Water Act Section 404, and Section 4 of the U.S. Department of Transportation Act. Within Oklahoma, tracked regulations included the Oklahoma Antiquities Law and the Burial Desecration Law
Cybersecurity Threats in Aviation: Encryption and Vulnerabilities of Automatic Dependent Surveillance- Broadcast for Aircraft Tracking in Connection with Software-Defined Radio and similar Transmitters to identify possible Risk Mitigation Strategies
While aircraft location tracking offers an enhanced level of comfort and information to the passenger, new Federal Aviation Administration (FAA) regulations regarding automatic dependent surveillance-broadcast, leave aircraft vulnerable to advanced threats and attacks. In 2020, during the COVID-19 pandemic, the FAA implemented a new rule mandating all aircraft, commercial and private, to be equipped with Automatic Dependent Surveillance-Broadcast Out capabilities while flying and operating in qualified airspace that requires transponders. While large passenger and cargo planes generally were already equipped with this technology, a lot of smaller and private planes had to install technological upgrades to accommodate this new regulation. With advances in transmitter technology, such as software-defined radio (SDR), attacks on aircraft and air traffic control through the vulnerabilities in the ADS-B system pose an increased risk. Possible cybersecurity threats to the ADS-B system and risk mitigation strategies are explored while analyzing the existing encryption of flight tracking technology. Primary and secondary sources are carefully reviewed and specific applications used in aviation such as ForeFlight and its integrated transponder system Sentry are examined to provide an overview and introduction into aircraft location regulations in the United States airspace, as well as the security risks associated with ADS-B technology. Recommendations regarding possible encryption and other risk mitigation measures are presented
Picture Book Evaluation for Indigenous Representation in an Elementary Library
This portfolio presents an evaluation of picture books in an elementary school library, focusing on Indigenous representation. The project aims to assess the quantity and quality of Indigenous representation in picture books to better align the library\u27s collection with the diverse demographics of its student population, particularly the 20.1% American Indian students. Through a detailed audit process, the portfolio identifies gaps in representation and provides recommendations for enhancing the collection with authentic Indigenous voices. The significance of this work lies in its potential to improve literacy and cultural understanding among students, fostering a more inclusive reading environment. The findings were shared with stakeholders to advocate for the importance of diverse literature in school libraries
NOUN PLURALIZATION ERRORS IN SOMALI L2 WRITING
Writing papers with no grammatical errors or as few of them as possible is crucial for academic success. Yet, few Somali L2 writers ever achieve this goal. We analyze 20 essays to find out why Somali L2 writers fail to make numeral (Num) and/or quantifier (Q) agree with the head noun. An error analysis shows that 11 of the 20 essays contain 26 noun pluralization errors, thereby yielding an error rate of 2.36 per essay. This rate is too high, considering that the students who wrote the essays graduated from an American high school. The frequency and magnitude of the errors indicate that they cannot be dismissed as careless or accidental errors. Instead, they denote important morphosyntactic differences between Somali and English regarding how the two languages resolve number agreement rules. We are hopeful that the analyses carried out in this paper and the recommendations therewithin can help reduce such errors or eliminate them altogether
Behavior Specific Praise For Students With Emotional Behavioral Disorders
Behavior Specific Praise (BSP) is a behavior management method that has been studied over 4 decades (Brophy,1981; & White,1975). As a special education teacher, I am interested in learning how the use of BSP affects students diagnosed with emotional or behavioral disorders (EBD). Through my research process, I will be seeking research-based information about the effectiveness of BSP for students with EBD, and if it is considered an evidence-based practice for managing student behavior
Distracted Parenting: When Technology Takes a Parent\u27s Eyes Away from Their Child
The aim of this paper is to deepen our insight into how interaction with technology influences parenting skills and child development. This paper culminates and summarizes the research found on the effects of problematic smartphone use by parents on the parent-child relationship. It specifically examines how this behavior affects parenting skills and impacts a child’s communication abilities and social-emotional development, particularly in children under the age of 6. This paper also explores whether any tools or strategies exist to help parents manage their technology use during daily child care routines and interactions
Factors that influence teachers’ effectiveness in teaching students with special needs in inclusive settings
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Software Engineering Internship Portfolio
This document details the experiences and knowledge gained during the internship capstone course of the PSM degree in Software Engineering. The capstone was split across two separate internships at TSI Inc. and MiTek. My role with TSI was to support global production activities involving supporting legacy software, developing new software for production output improvements, and software validation. Additionally, this role involved collaboration with various trade backgrounds, global troubleshooting, database administration, and project planning. Over the course of the internship with TSI the main focus projects to highlight and discuss were CFlow, Sensor Database Annealing System, and Calibration Time Analyzer. The second half of the portfolio with MiTek discusses work done primarily on the Array software as part of a agile-scrum oriented team. In this defense, I detail my internship responsibilities, insights gained, skills developed, and practices learned. I discuss the impact and benefits of the highlight projects as part of my internship. Additionally, I discuss a supplementary project created as an addendum to the internship experience that highlights design and technical skills acquired throughout the internships. The report concludes with a reflection on internship benefits and closing thoughts