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Articles 1 - 30 of 18448
Full-Text Articles in Entire DC Network
Perspectives Of Trauma Among Licensed Trauma Therapists: A Concept Mapping Study, Sean W. Bullock
Perspectives Of Trauma Among Licensed Trauma Therapists: A Concept Mapping Study, Sean W. Bullock
Master's Theses
To address gaps between research and psychotherapeutic intervention for trauma and trauma-related issues, the current study elicited and analyzed the perspectives of licensed trauma therapists via a concept mapping process. A literature review was conducted to explore the history and limitations of trauma’s current medical use as outlined by Criterion A of posttraumatic stress disorder in the DSM-5-TR. To answer the research question regarding how practitioners understand trauma, the researcher recruited licensed trauma therapists (n = 17) to participate in concept mapping. Participants generated 126 unique statements, which they then sorted based on similarity and rated individually on importance. Hierarchical …
Mental Health, Personality, Identity, And Adjusting To Life After Sports, Jovana Babic
Mental Health, Personality, Identity, And Adjusting To Life After Sports, Jovana Babic
Master's Theses
This study looked at how athletes adapt to life after competitive sports in relation to psychological issues. In publicly accessible podcast interviews, 95 former athletes, most competing at the collegiate or professional level, were examined using their own words. Claude and Gemini, two large multimodal models, independently coded each interview for four mental health outcomes: depression, anxiety, dependency, and identity confusion, as well as for a set of predictor variables, such as neuroticism, emotion regulation, athletic identity, identity foreclosure, intrinsic motivation, grit, social support, and retirement planning. A binary present or absence coding system was employed, and Gwet's AC1 was …
Enso-Induced Oceanographic Anomalies And Their Potential Impacts On Coral Species In The Phoenix Islands Protected Area, Jason T. Gonsalves
Enso-Induced Oceanographic Anomalies And Their Potential Impacts On Coral Species In The Phoenix Islands Protected Area, Jason T. Gonsalves
Master's Theses
The 2015/16 El Niño event is one of the strongest El Niño Southern Oscillation (ENSO) events on record. Coral reefs in the Phoenix Islands Protected Area (PIPA) were exposed to the effects of the 2015/16 El Niño event and experienced moderate to severe coral bleaching and mortality. This study examines the variability in three key oceanographic variables before, during, and after the 2015/16 El Niño event within PIPA: sea surface temperature (SST), sea surface salinity (SSS), and estimated chlorophyll-a (chl-a) as a proxy for regional productivity. I used remote sensing data for SST, SSS, and estimated chl-a coupled with in-situ …
Powers' Conjecture On The Third Largest Eigenvalue Of A Graph, Kevin Schmidt
Powers' Conjecture On The Third Largest Eigenvalue Of A Graph, Kevin Schmidt
Master's Theses
In 1989, David Powers conjectured that for any connected graph G on n vertices, the k-th largest eigenvalue of the adjacency matrix satisfies λk(G) ≤ ⌊n/k⌋ for every 1 ≤ k ≤ n/2. The conjecture has since been resolved case by case, in the sharper form λk(G) ≤ n/k − 1: the case k = 1 is classical, k = 2 was settled independently by Hong and by Powers in 1988, and k ≥ 4 was shown to fail by Nikiforov and Linz. This thesis surveys the resolution of the remaining case, k = 3, achieved in March 2026 by …
Fear, Threat, And Google Searches: Examining Ideological Shifts Using Big Data, Erin M. Cerasaro
Fear, Threat, And Google Searches: Examining Ideological Shifts Using Big Data, Erin M. Cerasaro
Master's Theses
In their review of research on factors that affect political conservatism, Jost et al. brought together research from several theoretical viewpoints. This produced a model of psychological needs and motives in individuals which react with stimuli that make them feel fearful and threatened (F/T), increasing adherence to conservative ideology. While some research supports these claims, evidence shows that in some contexts these variables increase ideological polarization overall, but may also have a greater impact on conservative attitudes specifically. Researchers have had difficulty in investigating these relationships in naturalistic settings due to an inability to manipulate events that precipitate this ideological …
Cultural Orientation, Parent-Child Connectedness, And Student Mental Health Perceptions, Abigail M. Mattias
Cultural Orientation, Parent-Child Connectedness, And Student Mental Health Perceptions, Abigail M. Mattias
Master's Theses
An individual’s perception of mental health is likely shaped by multiple interrelated factors. Connecting research into mental health perceptions across racial groups and parental value transmission suggests that a strong parent-child relationship increases the likelihood of the child endorsing parental and cultural values. The current survey examined the following predictors of mental health stigma among 144 college students: cultural orientation (collectivist/individualist attitudes), cultural background (collectivist/individualist heritage) as mediated by perceived parental mental health stigma, and parent-child connectedness as moderating the mediation. As predicted, there were stronger links between parent and child mental health stigma when parent-child connectedness was stronger. The …
Distribution Modeling Predicts Pacific Newt (Genus Taricha) Road Mortality Near Remote Lakes In Santa Clara County, California, Anna Petrosky
Distribution Modeling Predicts Pacific Newt (Genus Taricha) Road Mortality Near Remote Lakes In Santa Clara County, California, Anna Petrosky
Master's Theses
The California newt (Taricha torosa) is listed as a State Species of Special Concern across its southern range due to habitat degradation and loss, and limited studies indicate it may be experiencing these threats in its northern range as well. This project assesses where the California newt may be encountering roads as migration barriers and experiencing high mortality in western Santa Clara County, California, in an effort to inform future conservation efforts. I conducted surveys of California newt roadkill on roads bordering two reservoirs used as breeding habitat and accessed roadkill data collected by the Lexington Reservoir Newt Patrol. Roadkill …
Knowledge-Enhanced Feature Store For Operational Ml And Llm Workflows, Saurabh Suman
Knowledge-Enhanced Feature Store For Operational Ml And Llm Workflows, Saurabh Suman
Master's Theses
Modern machine learning (ML) organizations rely on feature stores to manage training and production data, yet as catalogs grow to thousands of features, semantic management becomes the bottleneck: discovery, governance, and metric selection remain largely manual. This thesis proposes and evaluates a knowledge-enhanced feature store that augments a dual-plane store with a hybrid knowledge layer—relational provenance, a lineage graph, semantic vector retrieval, and an online cache—and an LLM-driven multi-agent layer for profiling, matching, grounded metric recommendation, and pipeline generation. A working prototype was evaluated across three task families—semantic profiling, feature-matching retrieval, and discovery—using classification, ranking, and operational metrics computed by …
Empathy As Activism: Empathy Fostering Tactics Of Minoritized Contemporary Artists, Nicole J. Rudolph-Vallerga
Empathy As Activism: Empathy Fostering Tactics Of Minoritized Contemporary Artists, Nicole J. Rudolph-Vallerga
Master's Theses
In the 1980s to 1990s, movements emerged such as the U.S Multiculturalism Movement which responded to the Reagan era’s (1981-1989) conservate wave in the United States. Alongside these movements, many artists of minoritized identities (BIPOC, LGBTQIA+, women, disabled, etc.) were under attack and made art designed to inspire an empathetic response in the viewer as a form of defensive activism. These artists created art designed to protect themselves and their marginalized communities by provoking an empathetic connection between the viewer and the artist’s minoritized community to combat internalized stereotypes. I apply Heidi Maibom’s theory of “moral imagination” to activist art …
The Caged Canary: Compounded Discrimination And The Female Jazz Vocalist, Isabella Eaton
The Caged Canary: Compounded Discrimination And The Female Jazz Vocalist, Isabella Eaton
Master's Theses
While women have historically represented the overwhelming majority of jazz vocalists, they have also experienced a unique legitimacy gap in a culture that traditionally grants the status of authenticity to the masculine instrumentalist. This study explores the experiences of mid-twentieth century female jazz vocalists, arguing that they faced compounded discrimination within American jazz culture as a result of gender marginalization and the devaluation of their vocal instrument. The intricacies of this phenomenon necessitate a multipronged qualitative approach by employing historiographical analysis, synthesis of existing scholarship, and qualitative case study research methods. Beginning with the dichotomy between the jazz “cat” and …
The Ecological Impacts Of Un-Protecting Forests: The Case Of Gold Mining In Ghana, Tate Alexander Barend
The Ecological Impacts Of Un-Protecting Forests: The Case Of Gold Mining In Ghana, Tate Alexander Barend
Master's Theses
This paper estimates the causal effect of Ghana’s Legislative Instrument 2462 (L.I. 2462) on deforestation in protected areas. The policy redefined the regulatory regime governing small-scale gold mining in protected areas, moving from prohibition to discretionary permitting. I exploit the implementation of L.I. 2462 as a policy shock and apply a difference-in-differences event-study framework to a propensity score–matched sample of pixels derived from high-resolution satellite images. Contrary to widespread concerns that the policy would accelerate deforestation, the results provide no evidence of large-scale vegetation loss in exposed protected areas following the policy change. Instead, protected area pixels located within 5 …
Sentinel: Evaluating Occlusion-Centered Next-Best-View Selection Using Rgb-Derived Pseudo-Geometry, Paul Nassar
Sentinel: Evaluating Occlusion-Centered Next-Best-View Selection Using Rgb-Derived Pseudo-Geometry, Paul Nassar
Master's Theses
Three-dimensional cameras provide direct geometric measurements, but their cost, weight, power requirements, and calibration constraints can limit their use in various lightweight or large-scale sensing systems. A potential alternative is to use conventional two-dimensional RGB cameras together with geometric reconstruction models that infer a partial three-dimensional representation from images. This thesis evaluates that possibility for next-best-view (NBV) selection through Sentinel, an occlusion-centered system for static, object-centric scenes with known camera poses and intrinsics. Sentinel converts source RGB observations into pseudo-geometry using monocular depth or point-map predictions, combines those predictions with camera-ray evidence, identifies occluded unknown regions, and selects a candidate …
A Maintainable Extensible And Performant Compiler Toolchain For The Trustguard Architecture, Ethan N. Emery
A Maintainable Extensible And Performant Compiler Toolchain For The Trustguard Architecture, Ethan N. Emery
Master's Theses
TrustGuard is a hardware architecture implementing a CAVO (Containment Architecture with Verified Output) model, which provides security guarantees by bootstrapping trust of a system to a hardware component known as the Sentry. Rather than verifying an entire system, TrustGuard re-executes trusted computation on the Sentry and validates the host system's execution before allowing values to pass to the outside world, thereby containing the effects of erroneous computation. Implementing this architecture in practice without hardware modifications to a host CPU requires a compiler toolchain capable of automatically generating instrumented binaries for both the untrusted host and the trusted Sentry from C …
Enabling Multi-Task Neural Network Inference On Heterogeneous Edge Devices, Redwanul Islam Arif
Enabling Multi-Task Neural Network Inference On Heterogeneous Edge Devices, Redwanul Islam Arif
Master's Theses
Deep neural networks are increasingly required to run on the devices that generate the data. If such a device must perform more than one task, the standard practice is deploying one model per task, which makes memory grow linearly with task count, which is unacceptable when the entire budget is kilobytes. This thesis asks one question in three settings: how much capability can a network acquire without incurring deployment cost?
The first study takes an ImageNet-pretrained ResNet-18, sweeps the branch point across every residual stage and the classification-head depth across one, ten, and twenty layers, and deploys the resulting multi-head …
Spatial And Hydrologic Effects Of Climate Change And Urbanization On Freshwater Fish Communities In North Georgia Watersheds, Mayuko Mizutani
Spatial And Hydrologic Effects Of Climate Change And Urbanization On Freshwater Fish Communities In North Georgia Watersheds, Mayuko Mizutani
Master's Theses
Urbanization and climate change are altering streamflow and land cover across the southeastern United States, threatening freshwater biodiversity in rivers already burdened by impoundments and habitat loss. I investigated how changes in streamflow and land cover might affect fish community biodiversity in the Etowah River watershed of North Georgia. By combining a dataset of fish collections from 1999 through 2019 with contemporaneous land use and daily streamflow, I was able to model fish community responses to urbanization and climate-driven hydrologic changes and then forecast fish community structure under multiple CMIP6 global climate models and greenhouse gas emissions scenarios (SSP2-4.5 and …
Federated Learning For Early Medical Diagnosis: Enhanced Diabetic Retinopathy Detection In Smart Healthcare, Mohammad Nasajpour Esfahani
Federated Learning For Early Medical Diagnosis: Enhanced Diabetic Retinopathy Detection In Smart Healthcare, Mohammad Nasajpour Esfahani
Master's Theses
This thesis investigates the role of federated learning as a privacy-preserving solution for modern healthcare challenges. In traditional machine learning, sensitive medical data must be centralized for model training, raising concerns about privacy, security, and regulatory compliance. Federated learning offers an alternative by allowing hospitals, clinics, and personal health devices to collaboratively train shared models without exchanging raw patient data. The study first explores how federated learning is being used across various healthcare domains, including cancer detection, medical imaging, and disease prediction— highlighting its potential to support secure collaboration across institutions. It addresses key benefits such as data privacy, scalability, …
Development And Testing Of A Computer Vision Pose Estimation System For Planar Mobile Robots, Andrew Jones
Development And Testing Of A Computer Vision Pose Estimation System For Planar Mobile Robots, Andrew Jones
Master's Theses
This thesis details the development and testing of a computer vision-based real-time pose estimation system for differential drive robots. A single camera with a fisheye lens is used to locate ArUco markers placed at fixed locations and attached to robots. Using the OpenCV library, the Perspective-n-Point (PnP) problem is solved to facilitate the transformation of 2-D robot positions in an image to world-frame coordinates. An analytical solution is presented to estimate robot poses based on a single PnP solution, rather than solving the PnP problem for each pose estimate. Pose information is relayed to individual robots using a multi-microcontroller architecture …
Hyperchaotic Noise Generation For Adversarial Encryption In Privacy-Preserving Image Classification, Neeraja Beesetti
Hyperchaotic Noise Generation For Adversarial Encryption In Privacy-Preserving Image Classification, Neeraja Beesetti
Master's Theses
Artificial intelligence systems make useful predictions by taking in data and returning a classification, recommendation, or decision. Obtaining that prediction, however, requires sharing the data first. This creates a fundamental privacy challenge in machine learning: users must expose their data to receive a valuable prediction. Machine learning systems increasingly rely on cloud-based image classification for this reason, transmitting images from edge devices to remote servers rather than running large models locally. This creates a conflict between the accuracy a classifier requires and the privacy a data owner wants. Traditional encryption destroys the image structure on which a classifier depends, while …
State Medicaid Expansion And Mental Health In The Poorest States: Examining Differences In States That Expanded Medicaid Compared To Those Which Did Not, Steven Kyle Yates
State Medicaid Expansion And Mental Health In The Poorest States: Examining Differences In States That Expanded Medicaid Compared To Those Which Did Not, Steven Kyle Yates
Master's Theses
Medicaid expansion is a contentious issue in U. S. political debates, especially regarding its impact on public health outcomes. The Republican Party often shows hesitation to support government funding initiatives, citing concerns about creating dependency on entitlement programs like Medicaid. As a result, state legislatures have significant authority to shape their Medicaid programs, including setting eligibility requirements and defining the scope of benefits and services. In this study, I examine disparities in mental health indicators between economically disadvantaged states that expanded Medicaid and those that did not expand Medicaid. The dependent variables include medical costs, measured by how often individuals …
A Genetic Analysis Of The Rare Endemic Astragalus Ripleyi Barneby, Juan Antonio Jaramillo-Chico
A Genetic Analysis Of The Rare Endemic Astragalus Ripleyi Barneby, Juan Antonio Jaramillo-Chico
Master's Theses
Astragalus ripleyi Barneby is a rare endemic species found in the San Luis Valley of the southern portions of the Rocky Mountains in Colorado and New Mexico. Though not federally listed as endangered, the species is on the Bureau of Land Management’s Sensitive Species List, warranting protection and continued management. This study aims to provide information about the genetic health of the species to inform conservation efforts and provide updated management recommendations. A genetic health analysis was conducted investigating the levels of diversity present in the species, how genetic diversity is structured across the known range of the species and …
Fish Meal Serum Modulates Mitochondrial Membrane Potential In Steroidogenic Cells: Implications For Luteoprotection In Cattle, Tyra Marie Goodluck
Fish Meal Serum Modulates Mitochondrial Membrane Potential In Steroidogenic Cells: Implications For Luteoprotection In Cattle, Tyra Marie Goodluck
Master's Theses
The bovine corpus luteum (CL) is a transient endocrine gland that forms after ovulation and produces progesterone, a hormone crucial for early pregnancy. The cattle industry faces tremendous losses annually due to early embryonic mortality within the first 100 days of gestation, where approximately 16% occur during a critical timeframe known as the maternal recognition of pregnancy (MRP). In a normal estrous cycle, if no viable embryo is present, the uterus secretes prostaglandin F2α (PGF2α) during the late luteal phase, triggering luteal regression. One key action of PGF2α is reducing luteal blood flow, leading to hypoxia. This hypoxic state induces …
The Acute Effect Of A Single Dose Of Berberine On Blood Glucose Response Following A Standardized Meal And 2-Mile Walk Performance In Healthy Adults, Victor Emmanuel Obaro
The Acute Effect Of A Single Dose Of Berberine On Blood Glucose Response Following A Standardized Meal And 2-Mile Walk Performance In Healthy Adults, Victor Emmanuel Obaro
Master's Theses
It is clear that exercise improves overall health status, and it is possible that berberine (BR) may work through some similar mechanisms to improve health status as well. Purpose: The purpose of this study was to explore the acute effects of a single dose of BR on health status following a standardized meal and a 2 mile walk treadmill protocol with outcomes including blood glucose (BG), blood pressure (BP), heart rate (HR), rate of perceived exertion (RPE), and a two-mile walk time trial performance. Methods: This study used a cross-over design where 14 healthy, young adults were given berberine (BBR) …
Differences In Music Course Offerings In Secondary Schools Within Three School Districts In Colorado, Deirdre Flanagan Slaman
Differences In Music Course Offerings In Secondary Schools Within Three School Districts In Colorado, Deirdre Flanagan Slaman
Master's Theses
The purpose of this study was to explore variants in current music course offerings and instructional time for music for public school students in grades six through 12 across three school districts in Colorado. Students’ opportunity to access specific music courses and the amount of instructional time they receive varies across public middle and high schools. By studying three school districts with similar demographics in Colorado, the researcher sought to answer the following questions:
Q1 How much variety in music course offering is usual across schools in a single district?
Q2 How much difference in instructional time is usual across …
Egyptian Suite: Compositional Reflections, Jeremy Fisher Jacobus
Egyptian Suite: Compositional Reflections, Jeremy Fisher Jacobus
Master's Theses
Egyptian Suite is an original composition for concert wind ensemble that takes example and inspiration from what others believe was Ancient Egyptian music, with some of today’s examples of Egyptian music. This work is divided into four movements: The Nile, The Pharaoh’s Festival, The Pyramids, The Grand Coronation, with each movement representing personal interpretation of each idea with the instrumentation, and the changes in texture, color and rhythm. With each movement of the Egyptian suite, I evaluated instruments being used as additional colors and textures, used more non-conventional key signatures modulations and time signature changes, and utilized a diverse and …
Evaluation Of General Voronoi Diagram Decomposition For Harmonic Fields In Navigation Of Dynamic Environments, Franco Abullarade
Evaluation Of General Voronoi Diagram Decomposition For Harmonic Fields In Navigation Of Dynamic Environments, Franco Abullarade
Master's Theses
Harmonic potential fields provide provably minimum-free navigation, but any change to the workspace geometry invalidates the field and forces a costly global recomputation, typically restricting them to static environments. This thesis extends the harmonic map framework of Vlantis et al., which maps the free workspace onto a unit disk and uses an atlas of per-region transformations, to dynamic indoor settings. First, we replace their manually annotated room partition with an automatic decomposition based on the Generalized Voronoi Diagram, allowing the atlas to be built from an arbitrary occupancy grid in an automated way. Second, we introduce a localized repair procedure …
Determining The Role Of Maumee River Sediments In Microbial Nitrogen Transformations And Net Fluxes, Ashlyn Stanalonis
Determining The Role Of Maumee River Sediments In Microbial Nitrogen Transformations And Net Fluxes, Ashlyn Stanalonis
Master's Theses
The Maumee River watershed is the largest of any river feeding into the Laurentian Great Lakes and is primarily comprised of agricultural land uses. Most cultivated crops require fertilizer applications to sustain growth and productivity. Fertilizer runoff is a major source of nutrient loading to the river, and total nitrogen (N) and phosphorus (P) inputs contribute to eutrophication and cyanobacterial blooms in the western basin of Lake Erie. This study aimed to characterize Maumee River sediments as net N sinks or sources to the western basin and evaluate N removal efficiency (a valuable ecosystem service) to determine if river sediments …
Blue Crab Reproductive Output And Phenology In A Changing Climate, Blaise Rohan
Blue Crab Reproductive Output And Phenology In A Changing Climate, Blaise Rohan
Master's Theses
Globally, ecosystems are experiencing rising temperatures due to climate change, with potential consequences for reproductive investment and timing in many species. Blue crabs, Callinectes sapidus, support valuable commercial fisheries throughout the U.S. Atlantic and Gulf coasts, and understanding variation in reproductive output has important management and conservation implications. This study examined two components of blue crab reproduction: (1) reproductive investment across populations spanning multiple latitudes (New York, New Jersey, North Carolina, Mississippi, and Texas), using a space-for-time substitution to assess the effects of varying thermal regimes on fecundity and egg quality, and (2) spawning phenology in North Carolina from …
Comparing Online Versus In-Person Administration Of Cognitive Tasks And Evaluating Their Predictive Utility Of Inattention Symptoms And Related Behaviors, Cameron Pothoven
Comparing Online Versus In-Person Administration Of Cognitive Tasks And Evaluating Their Predictive Utility Of Inattention Symptoms And Related Behaviors, Cameron Pothoven
Master's Theses
Attention-Deficit/Hyperactivity Disorder (ADHD) is a neurodevelopmental disorder associated with less developed working memory (WM) processes, theorized to be a core contributing factor in the development of ADHD and a predictor of ADHD symptom severity (Alderson et al., 2013; Rapport et al., 2008). Objective measures inclusive of working memory tasks, when used in conjunction with self-report measures, have been previously shown to increase the accuracy of diagnosing ADHD (Marshal et al., 2021. However, given that WM is typically assessed by a trained clinician, it is unclear how accurate and comparable online administration of adapted WM tasks are to their in-person counterparts. …
Multidimensional Determinants Of Gait, Balance, And Softball Performance In Female Youth: Biomechanics, Resource Access, And Psychosocial Factors, Allie G. Mcauliffe
Multidimensional Determinants Of Gait, Balance, And Softball Performance In Female Youth: Biomechanics, Resource Access, And Psychosocial Factors, Allie G. Mcauliffe
Master's Theses
Movement quality is a fundamental indicator of healthy childhood development and supports physical, emotional, psychosocial, and cognitive well-being. Movement quality is influenced by multiple biomechanical, environmental, and psychosocial factors, yet the relationships among them remain poorly understood in underrepresented populations such as female youth, particularly in softball. Previous studies have largely examined biomechanics, resource access, and psychosocial experience independently, and few have investigated how these factors interact in female youth softball players. To address this gap, this study compared gait and balance characteristics between softball (N = 34) and non-softball (N = 7) female youth, examined associations between resource access, …
Id-More Vision: Real-Data Machine-Learning Assessment For A Digital-Twin-Inspired, Xr-Ready Rehabilitation Prototype, Rickey L. Clark
Id-More Vision: Real-Data Machine-Learning Assessment For A Digital-Twin-Inspired, Xr-Ready Rehabilitation Prototype, Rickey L. Clark
Master's Theses
Rehabilitation assessment often relies on periodic observation, while many XR prototypes show scripted rather than recorded-motion evidence. iD-MORE Vision is an offline pipeline trained on KIMORE and IRDS and linked through JSON packets to a two-mode Unity desktop prototype. Both datasets include controls and rehabilitation participants with neurologic, musculoskeletal, or mobility impairments. This improves relevance but does not clinically validate the system.
Under fixed subject-wise splits, the primary five-seed Random Forest predicted KIMORE clinician scores with MAE 6.087 ± 0.044 cTS and R² 0.568 ± 0.006; the subject-level R² interval crossed zero. The primary IRDS five-run CUDA GRU averaged 0.877 …