Digital Commons Network^™

Road Maintenance Through Machine Learning, Yashwanth Sai Rachala

Theses and Dissertations

This thesis explores the use of machine learning techniques for road infrastructure maintenance. We propose an innovative machine learning-based approach to improve the efficiency and effectiveness of road maintenance strategies. The focal point of this investigation is the development and implementation of a machine learning framework to enhance road quality monitoring. We use Long Short-Term Memory (LSTM) networks to accurately predict future road conditions and identify potential areas requiring maintenance before significant deterioration occurs. This predictive approach is designed to enable a shift from reactive to proactive road maintenance, optimizing the use of limited resources and improving overall road safety. …

Evasion Strategies For Space Engagements With Unknown Pursuer Objectives, Stephanie L. Halsey

Theses and Dissertations

Realistic simulations provide a tool for operators to understand space tactics and also serve to inform decisions on the requirements of current spacecraft technologies. This research uses simulation to gain a better understanding of one-on-one orbital conflicts through orbital differential games and linear quadratic games. The results of this research find that a simple strategy for an evading spacecraft to successfully evade a more-capable pursuing satellite for a variety of potential goals is to thrust perpendicular to the direction of the pursuer. Specific estimation requirements to accurately determine the objective of the pursuer and successfully evade in a realistic scenario …

Challenges Of Local Public Administration In Conflict -Affected Countries: Case Of Hadhramaut Governorate In Yemen, Istanbool Ba Abbad

Theses and Dissertations

This thesis explores the challenges local public administration faced in Hadhramaut, Yemen, and explores avenues for reform. The study's main question is: "What are the main challenges confronting local public administration in Hadhramaut, and what pathways can be pursued for reform?" Hadhramaut, known for its relative stability within Yemen's political unrest, was selected as the case study. Despite its stability, the governorate struggles with challenges arising from the conflict. The research aimed to uncover these challenges and suggest guidelines for recovery, envisioning the governorate as a model for the country. The research aimed to investigate the challenges confronted by public …

A Case Study Of The Implementation Of The New Clery Act Guidelines, Eunice Adigun

Theses and Dissertations

The Clery Act requires all higher education institutions participating in federal financial aid programs to keep and disclose campus crimes by submitting an Annual Security Report by October 1st of every year. In October 2020, the U.S. Department of Education replaced the 265-page Clery Act guidelines for administrators with a 13-page Appendix with specific changes to geographical locations to include in the report, eliminated the definition of crimes, and limited individuals designated as Campus Security Authority to those with direct responsibilities over student affairs. This case study examined how campus security officers implement the new Clery Act guidelines in crime …

The Transitional Journey From Incarceration To A College Degree Through The Lived Experiences Of Women, Marsha Milan-Bethel

Theses and Dissertations

This qualitative narrative study shares the lived experiences of formerly incarcerated women, their reintegration into the community, and their journey to and through college. The eight participants span between 25 and 64 years of age, have spent varying lengths of time incarcerated, and are now either in college or recent graduates of both public and private universities. Research indicates that a large majority of incarcerated women come from economically disadvantaged communities, are vocationally unskilled, and have limited access to in-prison postsecondary programs (Mallory, 2011; Western et al., 2015). However, by earning a college credential, women rebuild their sense of self, …

Effects Of Police Hiring & Training On Civilian Complaints: A Case Study Of The Nassau County, Ny Police Department, Shevach Berkovits

Theses and Dissertations

Police agencies and administrations continue to face public scrutiny, consequential poor policing, and costly litigation from within their communities. Newly hired Police officers, trained in the latest police science, can lead to fewer received civilian complaints from the communities they serve. Without established literature and studies, agency leadership and policy-makers' decision-making are constrained to quantifying spreadsheet data, which rarely alter the totality of any micro-level police-related interactions. Therefore, this study asks, how does the amount of newly hired police officers affect the number of civilian complaints received? Theories applied include Risk Management, Societal Security, and Conflict Criminology. The Nassau County …

The Experiences Of Formerly Incarcerated Black Male Students At A Northeast Community College, Ashtian C. Holmes

Theses and Dissertations

The purpose of this phenomenological inquiry is to understand the experiences of formerly incarcerated Black male students who attend a Northeast urban community college and the unique barriers they encounter while navigating the institution. The United States imprisons more people than any country in the world, and Black men are disproportionately overrepresented in the United States criminal legal system. At the same time, Black men, are severely underrepresented in higher education and lag behind their White and female counterparts in nearly all indicators of collegiate success, including enrollment, retention, and graduation rates. Formerly incarcerated individuals face unique and substantial barriers …

Motivation, Learning, And The Workplace: A Study Of Community College Student Affairs Professionals And Continued Professional Learning, Joseph M. Ginese

Theses and Dissertations

Continued professional learning is a consistent focus of attention for the field of student affairs within higher education. Yet, very little research has been conducted on the factors that influence the motivation of student affairs professionals to pursue continued professional learning, especially professionals within community colleges. This study utilized a quantitative research design to examine the physical and psychological factors of the work environment that can influence a community college student affairs professional’s motivation to pursue continued professional learning. Through the theoretical lens of Lewin’s Field Theory and Eccles’ Expectancy-Value Theory, I designed a 58-item survey (N = 41) …

"I Call Them Supermoms": Therapists' Reflections On The Impact Of Youth Sexual Offending On Latina Mothers, Mauricio P. Yabar

Theses and Dissertations

Families of youth who have sexually offended often suffer significant collateral consequences following the discovery of the sexual offense. Samples in research with these families disproportionately consist of mothers and other female parental figures. This is rarely acknowledged in the literature, and the experiences of these mothers have not been explicitly examined. In addition, research on the experiences of these families has largely ignored factors related to race and ethnicity. This is a significant oversight considering the prevalence of systemic racism and discrimination in the United States, particularly in the systems with which these families must interact (e.g., juvenile justice …

Mandated Sexual Violence Prevention In Higher Education: A Quantitative Analysis Of Student Response To Sexual Harassment And Violence Through A Framework Of Organizational Culture, Andrew L. Jones

Theses and Dissertations

Sexual violence (SV) is a global public health crisis of pandemic proportions. Sexual harassment (SH) and violence are pervasive on college campuses, negatively impacting students, faculty, and staff. To address this, U.S. universities are required by federal law to implement EBP programs to foster awareness, knowledge, attitudes, and skills/behaviors (competencies) to prevent or mitigate sexual misconduct. Improving these competencies can increase students’ capacity to respond to SH and SV they experience or witness positively impacting retention, health, wellness, and graduation outcomes. Additionally, recent empirical evidence has linked organizational culture (i.e., values, shared beliefs, and artifacts) and competencies to effectively responding …

The Connection Between Mental Illness And Prisoner Recidivism: A Study Of The Self-Perceptions And Perspectives Of Mentally Impaired Low-Level Non-Violent Male Exoffenders, Sammie L. Stinson

Theses and Dissertations

This dissertation investigates the connection between mental illness and prisoner recidivism in California and Los Angeles County. As the literature review discloses, there are various theories that claim to explain why mentally impaired offenders are reincarcerated for breaking the law after they are released. This dissertation presents five research questions based on the literature review and theoretical framework and collected survey and interview data from a sample of 30, self-reported, mentally impaired ex-offenders. The research questions and theoretical framework is intended to provide the reader with an assessment of the viewpoints of the mentally impaired survey participants regarding the connection …

Physician Associate (Pa) Leaders In Executive, Academic, And Clinical Roles: Consensus Building For A Novel Leadership Framework, Bethany Grubb

Theses and Dissertations

This study explored the lived experience of Physician Associate (PA) leaders in healthcare executive, academic, and clinical roles. Chapter 1 introduces the research topic, outlines a statement of the problem, study’s purpose, assumptions, limitations and key definitions. The frameworks for this study are appreciative inquiry and critical constructivism. Chapter 2 presents a comprehensive review of the literature pertinent to PAs in leadership roles in the United States, including (a) challenges in the PA profession, (b) best practices of the PA profession, (c) leadership competencies in healthcare including leading teams, (d) leadership theory including coaching theory and change management, and (e) …

Living The American Dream? College Experiences Of Undocumented Students In An Era Of Rising Xenophobia And Political Turmoil, Sandra Y. Ting Ph.D.

Theses and Dissertations

This research study sought to deepen the understanding of the journeys of undocumented and DACAmented college students in an era of escalated xenophobia and political unrest. Three noteworthy themes emerged from the sentiments expressed by participants. The experiences they described included: 1) the turmoil of undocumented status eliciting unique and empowering demonstrations of resourcefulness, creativity, and self-advocacy, 2) motivation and stress from their respective citizenship statuses existing as two mutually dependent facets of a unified whole, 3) a community of support from other undocumented and/or DACAmented peers as a necessity for wellbeing. These critical outcomes culminate in the conditioning to …

The Predictive Validity Of Sex Offender Treatment Progress Scale (Sotips) Using Iowa Sex Offenders, Holly Kelley-Chown

Theses and Dissertations

This study is a replication study of McGrath, Lasher, and Cumming's 2012 study. McGrath et al.'s population consisted of convicted Vermont sex offenders, while this replication study's population consisted of convicted Iowa sex offenders. Nearly 2,000 sex offenders are under the Iowa Department of Corrections community supervision (Daily Statistics-DOC Offender, 2023). Iowa uses SOTIPS, Static-99R, and the Iowa Risk Revised (IRR) to determine recidivism risk and supervision levels. The Static-99R was developed in Canada and has been validated in several jurisdictions, including Iowa (Statistical validation of the ISORA8 & Static-99 final report, 2010). The IRR was developed in Iowa using …

Harm-Focused Policing: A Comparison Of Citizen And Patrol Deputy Perceptions On The Severity Of Social Harms, Christina Finn

Theses and Dissertations

This study examined the perceptions of Volusia County citizens and patrol deputies regarding the severity of social harms attributed to incidents of criminal activity. Despite the widespread assessments of crime, the perceptions of associated harms remain unclear. Developing a social harm index may provide current insight into the opinions of harm as perceived by both the public and law enforcement agencies. Using a sequential explanatory mixed method design, patrol deputies from the Volusia County Sheriff’s Office and residents of Volusia County, Florida, were invited to complete a series of surveys and follow-up interviews. This study aimed to compare participant ratings …

Exploring Mental Health Stigma Among Law Enforcement Officers, Nicholas David Chestnut

Theses and Dissertations

This applied dissertation investigates the prevalence and impact of mental health stigma among law enforcement officers (LEOs) in the United States. Despite growing awareness of the importance of mental health in the law enforcement community, stigma surrounding mental illness remains a significant barrier to help-seeking behaviors among officers. The study employed a research design that examined attitudes, perceptions, and experiences related to mental health stigma among LEOs.

Through online self-assessment surveys administered via a secure portal, participants provided insights into their attitudes toward mental illness, perceptions of stigma, and willingness to seek help for mental health concerns.

Data analysis revealed …

A Descriptive Study Of The Perception Of Emerging Adults Aged 18-25 Years Toward Police Efficacy And Image In The United States, Jude Louis

Theses and Dissertations

The purpose of this study was to investigate the perceptions of emerging adults toward police efficacy and image. The study was descriptive, used quantitative methodology, and utilized a non-experimental design. Close-ended questions were used in an online format to survey emerging adults aged 18-25 years in the United States. The data was collected using the SurveyMonkey Audience, which was relatively cost-effective, able to gather information from the target audience within a short period of time, and efficient with any sample size. The study occurred over two months in 2024. Emerging adults in the United States aged 18-25 years irrespective of …

Spouse Violence In Case Of Police Officers In Puerto Rico: Violence In Police Families, Jorge Ismael Suarez

Theses and Dissertations

This applied dissertation was designed to explore the relationship between factors related to police work and whether these factors help predict domestic violence in a sample of officers of the Puerto Rico Police. The following factors were explored in this study: external burnout, alcohol abuse, department withdrawal, and authoritarian spillover. This study was based on a previous study by Johnson et al. (2005), which revealed that violence exposure and domestic violence among police officers are linked according to four mediation chains. The mediation chain was a model implemented by the authors to determine the influence of burnout, authoritarian spillover, alcohol …

Examining Digital Hostility Against Black Women: A Thematic Analysis Of The Black Manosphere On Twitter, Nekea Sanders

Theses and Dissertations

The Manosphere is a collective of powerfully influential men who create and control harmful narratives about women online. Individuals within the Manosphere are disseminating their beliefs and garnering support through various online platforms, including social media. This research study sheds light on the Black Manosphere, a group within the Manosphere that has gone under the radar, despite the detrimental and toxic content they publish online about Black women. This qualitative research study examined the hostile rhetoric published by the Black Manosphere on Twitter (now X) about Black women. The research questions guiding this qualitative examination were: (1) What types and …

A Qualitative Study: Sex Offenders’ Perceptions Of The State’S Sex Offender Registry, Ann Marie Elliott

Theses and Dissertations

Sex offender registries (SOR) were created because of gruesome crimes committed against minors and the vulnerable, and they serve as a punishment. Empirically, SORs have become more functional over the years, so providing accurate information should be fundamental. It is the topic of discussion in many conversations, specifically during holidays and events involving minors, and it is used for background searches and ongoing investigations. Consequently, society expects the information displayed to be precise. Inaccurate information can potentially be harmful, especially to sex offenders. Nevertheless, when SOR is mentioned, rightfully so, society, including law enforcement, immediately exhibits sympathetic emotions for the …

Pressure Points: A Quantitative Study Of Young Adults Perception Of Police Officers, Yasmean Talas

Theses and Dissertations

This study aimed to quantify factors contributing to young adults' perceptions of law enforcement based on their experiences and exchanges with police. Data were collected via an online survey from young adults to assess variables such as peer influence, familial influence, social media impact, police interactions, and perceptions of law enforcement (POPS).

On average, participants exhibited neutral perceptions of law enforcement. The analyses revealed significant relationships between family influence, social media impact, police interactions, and POPS scores. Specifically, family and police interactions showed significantly positive associations with POPS scores, indicating that strong family bonds and positive police interactions tend to …

Exploring The Differences In Military Attitudes Toward Rape Myths And Their Relationship To Demographic Factors, Essence Anderson

Theses and Dissertations

Military sexual assault crimes, including rape, attempted sexual assault, unwanted sexual contact, and sexual harassment, have continued to increase over the last few decades. The issue has become problematic enough for the Department of Defense to allocate a significant amount of money for sexual assault resources. Specifically, the Department of Defense gives millions of dollars each year for the prevention and training of sexual assault, yet the issue continues to persist. There is a lack of understanding of the posture of service members' attitudes toward sexual assault and if certain demographics differ in their attitudes toward rape myths. While sexual …

Dam Failure And Incident Investigations, Nathaniel Gee

Theses and Dissertations

There are multiple dam failures and dam safety incidents every year in the United States. There are currently no standard policy requirements for when or how to conduct failure or incident investigations. This paper first reviews one of the most significant failures in US history, the failure of Buffalo Creek Dam No. 3 in order to explore the impacts of one significant failure on dam safety policy in the US. The paper then explores the currents state of the industry by reviewing 58 different dam failure or incident investigation reports based on incidents that occurred in the United States from …

Visual Acquisition And Detection Of Manned Fixed-Wing Aircraft And Rotorcraft: An Analysis Of Pilots' Perception And Performance, Rania Bassou

Theses and Dissertations

In recent years, the rapid advancement of Unmanned Aircraft Systems (UAS) has led to an increasingly complex National Airspace System (NAS), necessitating a comprehensive understanding of factors that impact pilot visual acquisition and detection of other aircraft (including manned fixed-wing, rotorcraft, and UAS). The objective of this study is to investigate factors that affect pilot performance in visually acquiring and detecting other manned-fixed wing aircraft and manned rotorcraft using a multi-method approach, incorporating qualitative and quantitative data analysis. A diverse sample of pilots with varying flight experience participated in the study. Participants were exposed to a series of flight test …

Network Layer Reliability And Security In Energy Harvesting Wireless Sensor Networks, Jing Yang

Theses and Dissertations

Wireless sensor networks (WSNs) have become pivotal in precision agriculture, environmental monitoring, and smart healthcare applications. However, the challenges of energy consumption and security, particularly concerning the reliance on large battery-operated nodes, pose significant hurdles for these networks. Energy-harvesting wireless sensor networks (EH-WSNs) emerged as a solution, enabling nodes to replenish energy from the environment remotely. Yet, the transition to EH-WSNs brought forth new obstacles in ensuring reliable and secure data transmission.

In our initial study, we tackled the intermittent connectivity issue prevalent in EH-WSNs due to the dynamic behavior of energy harvesting nodes. Rapid shifts between ON and OFF …

Employee Job Satisfaction Of Public Sector Professionals: The Roles Of Public Safety Work And Public Service Motivation, Victor Flomo

Theses and Dissertations

Employee job satisfaction of public sector professionals: The roles of public safety work and public service motivation

Development Of A Submerged Hydraulic Jump Prediction Method Using Documented Fatal Incidents At Low-Head Dams, Caleb Mccurry

Theses and Dissertations

Low-head dams are known to be dangerous due to a recirculating current that, when formed, drowns recreationalists who become trapped in the current. Efforts to mitigate the hazard of low-head dams have led to the compilation of a database of low-head dams with proven fatalities. Additionally, flume-based experiments along with well-known hydraulic equations have been used to create a spreadsheet-based system for predicting the occurrence of the dangerous recirculating current, otherwise known as a submerged hydraulic jump. The premise of the spreadsheet is that if the normal depth calculated with the Mannings Equation for the downstream reach is between the …

Economic Governance And Violence: A Cross-National Analysis, Steven Mccain

Theses and Dissertations

Understanding how economic governance influences routine activities is crucial within the field of criminology to better understand how grounds for violence emerge. Literature of cross-national studies concerning the effects of economic governance has recently developed to study its relationship with violence, specifically homicide. However, there is a deficit of frameworks related to criminological theory in this literature. Using a routine activity framework, the current dissertation seeks understand how different degrees of economic governance in general and, more specifically, the five areas of economic governance – size of government, legal system and property rights, sound money, freedom to international trade, and …

Security Analysis Of Holystone Drones: Examining Attack Vectors And Data Extraction Techniques, Sandesh Ambadas More

Theses and Dissertations

In recent years, the surge in popularity of small-scale Unmanned Aerial Vehicles (UAVs), especially Holy Stone models, has raised significant security concerns. This study examines specific Holy Stone drone models, including the HS 175D, HS 430, HS 360S, and HS720, focusing on sub-250g drones exempt from FAA registration and those requiring registration and Remote ID. Despite advancements in drone technology, our research reveals persistent vulnerabilities that could be exploited by malicious actors for illicit purposes, posing a substantial security risk. Our comprehensive analysis involved simulated attacks in identifying and exploiting these vulnerabilities, leading to the successful acquisition of flight logs, …

Characterization Of Human Mobility From Cellular Data, Zaid Matloub

Theses and Dissertations

This dissertation investigates human mobility patterns using crowd-sourced cellular network data from different Metropolitan Statistical Areas (MSAs) in the United States, spanning the Houston, New York-Newark, NJ City, and 13 other significant MSAs. By focusing on prominent spatial mobility parameters highlighted in existing literature, the study unveils consistent findings regarding the predictability of human mobility across diverse time scales and geographic regions. The research underscores the significance of selecting appropriate sampling thresholds based on the mobility parameters being examined, the size of the dataset, and available computational resources. Through a meticulous analysis, it emerges that while values such as mean …