Doctoral Dissertations: Recent submissions
Now showing items 1-20 of 16590
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Macroeconomic Forecasting: Statistically Adequate, Temporal Principal Components
(Virginia Tech, 2023-06-05)The main goal of this dissertation is to expand upon the use of Principal Component Analysis (PCA) in macroeconomic forecasting, particularly in cases where traditional principal components fail to account for all of the ... -
Bayesian variable selection for linear mixed models when p is much larger than n with applications in genome wide association studies
(Virginia Tech, 2023-06-05)Genome-wide association studies (GWAS) seek to identify single nucleotide polymorphisms (SNP) causing phenotypic responses in individuals. Commonly, GWAS analyses are done by using single marker association testing (SMA) ... -
Embodied Data Exploration in Immersive Environments: Application in Geophysical Data Analysis
(Virginia Tech, 2023-06-05)Immersive analytics is an emerging field of data exploration and analysis in immersive environments. It is an active research area that explores human-centric approaches to data exploration and analysis based on the spatial ... -
Time as a Policy Mechanism and Intelligible Principle: An Examination of the National Emergencies Act
(Virginia Tech, 2023-06-05)The effective oversight and management of national emergencies are critical to preserving democratic processes and norms. Congress passed the National Emergencies Act (NEA) of 1976 to regulate the open-ended and unchecked ... -
Principals' Perceptions of Online Learning Post-Pandemic in Small Virginia School Divisions
(Virginia Tech, 2023-06-05)The purpose of this qualitative study was to identify the perception of school principals in school divisions with a student population of fewer than 2,500 as of June 2022, within the Commonwealth of Virginia regarding ... -
Perceptions of Novice Elementary School Special Education Teachers Regarding the Impact of Professional Learning Communities on Teacher Retention
(Virginia Tech, 2023-06-05)The retention of special education (SPED) teachers is problematic throughout the United States. Many SPED teachers are leaving education due to burnout which can be caused by feeling isolated and having a lack of collegial ... -
Drinking from the Magic Well: Studies on Honey Bee Foraging, Recruitment, and Sublethal Stress Responses using Waggle Dance Analysis
(Virginia Tech, 2023-06-05)Anthropogenic landscape changes threaten our ecologically and economically critical honey bees by decreasing the availability of quality foraging resources. Importantly, waggle dance analysis provides a versatile and ... -
An Analysis of Career and Technical Education's Influence on Graduation Rates in the Commonwealth of Virginia
(Virginia Tech, 2023-06-05)Every Student Succeeds Act of 2015 (ESSA), signed into law by President Obama on December 10, 2015, amended several K-12 accountability requirements. ESSA defined high school graduation rate for the first time in federal ... -
Predicting Graduation from Prior Academic Achievement, Attendance, and Behavior: A Quantitative Analysis
(Virginia Tech, 2023-06-05)The purpose of this study was to analyze high school graduation rates from prior academic achievement, attendance, and behavior in one school system over 4 years. The study addressed three questions, which of the students ... -
Principal Leadership for Equity: Actions and Preparedness in One Urban School Division
(Virginia Tech, 2023-06-05)As schools are growing more diverse and opportunity and achievement gaps remain, educational leaders are called to develop an equity lens to meet the needs of students (Grissom et al., 2021). The Professional Standards for ... -
Functional Characterization of Serine Hydrolases Mediating Lipid Metabolism and Protein Depalmitoylation in Asexual Stage Plasmodium Falciparum
(Virginia Tech, 2023-06-05)Malaria is an infectious disease caused by Plasmodium parasites and transferred by Anopheles mosquitos. Due to Artemisinin resistance, new druggable targets identification and new drug development are urgently needed. ... -
A Qualitative Study Investigating High School Teachers' Perceptions of Strategies Used to Involve Hispanic ELL Parents in One School Division in Virginia
(Virginia Tech, 2023-06-05)The number of English Language Learner (ELL) students in U.S. public schools are increasing yearly. More than 75% of ELL student's home language is Spanish. Their academic performance and graduation rates are lower than ... -
Perceptions of School Leaders, School Division Leaders, and non-SRO Model Employees Regarding a New School Safety Model in One Urban Virginia School Division
(Virginia Tech, 2023-06-05)The purpose of this basic qualitative study was to examine the perceptions of school leaders, school division leaders, and non-SRO model employees regarding the transition from a school safety model with School Resource ... -
How Teachers Implement, Assess, and Perceive Their Readiness to Implement Content-Embedded Social-Emotional Learning: A Qualitative Study of Secondary School Teachers in one Virginia School Division
(Virginia Tech, 2023-06-05)The Collaborative for Academic, Social, and Emotional Learning (CASEL) (2018) specified that "integrating SEL (Social-Emotional Learning) with instructional practices and academic content has become a growing priority" (p. ... -
Student Satisfaction, Perceived Employability Skills, and Deep Approaches to Learning: A Structural Equation Modeling Analyses
(Virginia Tech, 2023-06-05)This study explored the relationship of Deep Approaches to Learning (DAL) with overall students' satisfaction and perceived employability skills in the field of Science, Technology, Engineering and Mathematics (STEM) for ... -
Possibilities for Making Institutional Change: An Institutional Critique of Diversity Discourse at a Predominantly White Institution
(Virginia Tech, 2023-06-02)The purpose of this dissertation is to explore how diversity discourse inscribes oppressive institutional structures (slavery, racism, and whiteness), specifically, institutional power, and offer possibilities for making ... -
The Cell Membrane Proteome of the SKBR3/HER2+ Cells and Implications for Cancer Targeted Therapies
(Virginia Tech, 2023-06-02)Breast cancer is the second most common type of cancer among women in the US and the second leading cause of cancer death. HER2+ breast cancers represent ~20% of all cancer types, are highly invasive, and can be treated ... -
Uncertainty Quantification of Tightly Integrated LiDAR/IMU Localization Algorithms
(Virginia Tech, 2023-06-01)Safety risk evaluation is critical in autonomous vehicle applications. This research aims to develop, implement, and validate new safety monitoring methods for navigation in Global Navigation Satellite System (GNSS)-denied ... -
Beyond the Tall, Tall Trees: Exploring Land and Digital Literacy in Rural Appalachia
(Virginia Tech, 2023-06-01)In this dissertation, I report findings of a case study I conducted in Giles County, Virginia, my hometown, to better understand the way land impacts rural digital literacy sponsorship. With the help of 13 participants, ... -
Exploring the Stochastic Performance of Metallic Microstructures With Multi-Scale Models
(Virginia Tech, 2023-06-01)Titanium-7%wt-Aluminum (Ti-7Al) has been of interest to the aerospace industry owing to its good structural and thermal properties. However, extensive research is still needed to study the structural behavior and determine ...
