Open Access. Powered by Scholars. Published by Universities.®

Digital Commons Network™

Open Access. Powered by Scholars. Published by Universities.®

Graduate Theses and Dissertations

Discipline
Institution
Keyword
Publication Year
File Type

Articles 661 - 690 of 5552

Full-Text Articles in Entire DC Network

Framework Of Hardware Trojan Detection Leveraging Structural Checking Tool, Rafael Dacanay Del Carmen May 2022

Framework Of Hardware Trojan Detection Leveraging Structural Checking Tool, Rafael Dacanay Del Carmen

Graduate Theses and Dissertations

Since there is a significant demand for obtaining third-party soft Intellectual Property (IP) by first-party integrated circuit (IC) vendors, it is becoming easier for adversaries to insert malicious logic known as hardware Trojans into designs. Due to this, vendors need to find ways to screen the third-party IPs for possible security threats and then mitigate them. The development of the Structural Checking (SC) tool provides a solution to this issue. This tool analyzes the structure of an unknown soft IP design and creates a network of all the signals within the design and how they are connected to each other. …

Go to article

Genetic Control Of Prickles And Plant Height In Blackberry, Carmen Johns May 2022

Genetic Control Of Prickles And Plant Height In Blackberry, Carmen Johns

Graduate Theses and Dissertations

The fresh-market blackberry (Rubus L. subgenus Rubus Watson) industry has been expanding for the past two decades. Blackberry market growth can be attributed to many factors including expanded production regions, improved production systems, and release of superior cultivars. Blackberry breeding is a time- and labor-intensive process which would benefit from implementation of molecular markers for highly heritable, important traits. Next generation sequencing, a high-quality reference genome, and software capable of analyzing this complex genome were applied in a genome-wide association study (GWAS) to reveal maker-trait associations related to prickles and plant height variation in fresh-market blackberry. In 2020 and 2021, …

Go to article

Law Enforcement Policy And Personnel Responses To Terrorism: Do Prior Attacks Predict Current Preparedness?, Bryce Kirk May 2022

Law Enforcement Policy And Personnel Responses To Terrorism: Do Prior Attacks Predict Current Preparedness?, Bryce Kirk

Graduate Theses and Dissertations

Terrorism has been on the mind of the American people and politicians alike since the 9/11 attacks over two decades ago. In the years since, there has been a massive shift in law enforcement priorities from community-oriented policing (COP) to homeland security-oriented policing. This was especially evident in the establishment of the Department of Homeland Security (DHS) shortly after the attacks on the World Trade Center and Pentagon in 2001, which was established to aid law enforcement entities with terrorism preparedness. While prior literature has addressed a variety of factors that have contributed to terrorism preparedness, very little research has …

Go to article

A Spatial Analysis Of The Relationship Between Places Of Worship And Criminal Activity In Little Rock, Arkansas, Joseph Charles Williams Iii May 2022

A Spatial Analysis Of The Relationship Between Places Of Worship And Criminal Activity In Little Rock, Arkansas, Joseph Charles Williams Iii

Graduate Theses and Dissertations

Research Topic and Gap(s): Previous studies often show negative relationships between religiosity and participation in criminal acts. However, much of the literature revolving around this topic employs a micro-level approach that looks at the religiosity of individuals instead of a macro-level approach that looks at the religiosity of communities. Because this relationship has often been studied from a micro-level perspective, a gap in the literature surrounding macro-level relationships has formed. More specifically, the potential for places of worship to act as buffers against crime has been relatively understudied which furthers the importance of filling this gap in the literature to …

Go to article

Social Work Allyship: Exploring White And Bipoc Perspectives At Predominately White Institutions Within The Southeastern Conference, Aubrey Franke May 2022

Social Work Allyship: Exploring White And Bipoc Perspectives At Predominately White Institutions Within The Southeastern Conference, Aubrey Franke

Graduate Theses and Dissertations

This thesis explores the experiences of allyship through the perspectives of White and Black, Indigenous, and People of Color (BIPOC) social work students at primarily White universities within the Southeastern Conference. The study includes 10 semi-structured interviews with Bachelor and Master’s level social work students. The findings from this study present necessary characteristics and qualities for effective social work allyship. Interestingly, BIPOC students emphasize the importance of informed action, while White students share relational qualities such as empathy and willingness to learn. The findings also show that some BIPOC students experience performative allyship from White social work students. BIPOC participants …

Go to article

Latinx On The Rise Mentoring Program’S Impact On Graduating Student’S Professional Integration Past Undergraduate Studies, Lucero Martinez-Salas May 2022

Latinx On The Rise Mentoring Program’S Impact On Graduating Student’S Professional Integration Past Undergraduate Studies, Lucero Martinez-Salas

Graduate Theses and Dissertations

Mentoring programs are implemented to create a space for skill and information transmission between a mentor and mentee. Mentoring programs are typically implemented in an academic setting with professors or peers acting as a mentor and students as mentees. Based on the under-representation of Latinx students in higher education and further career paths, mentoring with this population could be positively impactful to their student experience. This thesis focuses on the Latinx on the Rise mentoring program and the experience of the mentees with a focus on the Latinx student experience. Implications for implementation of such programs and their impact will …

Go to article

Analysis And Optimization Of The Two-Phase Series Capacitor Buck Dc-Dc Converter, Salahaldein Ali Aboajila Ahmed May 2022

Analysis And Optimization Of The Two-Phase Series Capacitor Buck Dc-Dc Converter, Salahaldein Ali Aboajila Ahmed

Graduate Theses and Dissertations

Current sharing schemes for conventional multi-phase converters are based on sensing each phase current to deliver the current information to their controllers. In conventional buck converters, this fact may require a preset current sharing ratio at the expense of efficiency, which eventually requires a larger sensing circuit to achieve the sensing accuracy of each phase. Introducing the concept of automatic current sharing is one of the solutions to tackle this issue. Automatic current sharing (Current Sharing Mechanism CSM) is an advanced way to distribute heat generation in multi-phase switching topologies at full load. A two-phase series capacitor buck converter (2-pscB) …

Go to article

Effect Of Intervention Of Low-Tech Aac Access Through Triadic Gaze On Communication From School-Aged Children With Multiple Disabilities, Bailey Norton May 2022

Effect Of Intervention Of Low-Tech Aac Access Through Triadic Gaze On Communication From School-Aged Children With Multiple Disabilities, Bailey Norton

Graduate Theses and Dissertations

This study aimed to evaluate the effects of instruction in teaching triadic gaze to communicate by accessing low-tech AAC. The low-tech AAC was an Eye-Com board with two target words laterally fixed to the board via Velco backing. Three school-aged participants completed the study, each with multiple disabilities, severe motor restrictions, and limited speech. This study utilized a multiple baseline across participants design. Laminated color photos depicting individualized, motivating vocabulary for each participant were used as probe materials. All three participants demonstrated increased performance in accurately utilizing triadic gaze for selecting from a field of two from baseline to intervention …

Go to article

Aberrant Responding With Underlying Dominance And Unfolding Response Processes: Examining Model Fit And Performance Of Person-Fit Statistics, Jennifer A. Reimers May 2022

Aberrant Responding With Underlying Dominance And Unfolding Response Processes: Examining Model Fit And Performance Of Person-Fit Statistics, Jennifer A. Reimers

Graduate Theses and Dissertations

Researchers have recognized that respondents may not answer items in a way that accurately reflects their attitude or trait level being measured. The resulting response data that deviates from what would be expected has been shown to have significant effects on the psychometric properties of a scale and analytical results. However, many studies that have investigated the detection of aberrant data and its effects have done so using dominance item response theory (IRT) models. It is unknown whether the impacts of aberrant data and the methodology used to identify aberrant responding when using dominance IRT models apply similarly when scales …

Go to article

The Game: A Contemporary Opera In One Act, Kailey Erwin May 2022

The Game: A Contemporary Opera In One Act, Kailey Erwin

Graduate Theses and Dissertations

My opera entitled “the game: a contemporary opera in one act” began as a project in my undergraduate composition lessons. My vision for this opera is to make it accessible and easily performed by singers with minimal “operatic training.” This is an opera for developing singers, and a great introduction to the style of opera without long, draining arias, or complicated ensembles. This opera was performed on April 2nd, 2022 in Stella Boyle Smith Concert Hall as a partial fulfillment for my degree requirements. Long-term, I envision The Game performed by singers in high school, undergraduates, or even community theaters. …

Go to article

A Mixed Methods Approach To Context Specific Curriculum Design For Very Small And Small Strawberry Growers In The Southeastern United States, Thomas A. Yeargin May 2022

A Mixed Methods Approach To Context Specific Curriculum Design For Very Small And Small Strawberry Growers In The Southeastern United States, Thomas A. Yeargin

Graduate Theses and Dissertations

Outbreaks of foodborne illness due to fresh produce are a continued threat to both the publichealth and the economy in the United States. Though there are many factors which influence the perpetuation of foodborne pathogens, the inability of the food industry to curtail this issue indicates systemic failure of interventions aimed at improving food safety practices. In this dissertation, we detail the efforts made over the past few decades to provide training to food producers and food handlers as well as recommendations that have been made for improvement based on these studies. By borrowing from more advanced fields of study …

Go to article

Making Meaning Of The Shared Experience Of Participants In An Undergraduate Lgbtq+ Mentorship Program, Brendan Corbett Csaposs May 2022

Making Meaning Of The Shared Experience Of Participants In An Undergraduate Lgbtq+ Mentorship Program, Brendan Corbett Csaposs

Graduate Theses and Dissertations

The purpose of this phenomenological study was to examine the ways in which LGBTQ+ students at the University of Miami make meaning of their shared experiences in the LGBTQ+ Mentorship Program that the university offers, in order to explore ways in which higher education institutions might consider better supporting this key group of students. This study draws upon a variety of theories of sexual identity development, building on the work of Rosario et al. (2011) in looking at the ways that students make meaning of their sexual identity based on self-identification, association with the larger community, and engagement in a …

Go to article

Analyzing Carroll’S Model Of School Learning, Degree Of Learning, In Adult Basic Education, John Kelly May 2022

Analyzing Carroll’S Model Of School Learning, Degree Of Learning, In Adult Basic Education, John Kelly

Graduate Theses and Dissertations

This study examined Carroll’s Model of School Learning (MSL) on adult basic education (ABE). The study's central question was, “Does Carroll's MSL account for additional variance in TABE 11 or 12 scores beyond instructional time after controlling for age?” A non-experimental cross-sectional design was employed to explore the fiscal year 2019–2020 dataset (n=99) from Arkansas ABE centers to show how instructional time and MSL account for variation in adults’ post-test reading scores. Hierarchical linear regression analyses were run to predict the correlation between MSL and the Test of Adult Basic Education (TABE) Reading score. The results show that MSL is …

Go to article

Diffusive Dynamics Of Biological Macromolecules In The Cytoplasm Of Live Bacteria, Asmaa Sadoon May 2022

Diffusive Dynamics Of Biological Macromolecules In The Cytoplasm Of Live Bacteria, Asmaa Sadoon

Graduate Theses and Dissertations

Bacteria are small organisms that play important roles in our bodies and in maintaining our surrounding environment. However, bacterial infections are considered as one of the health diseases that threatens the lives of humans. Resistance of bacteria to antibiotics has made treating bacterial infections more challenging. With the emergence of many developed optical techniques, it has become possible to study various biological mechanisms of molecules inside these small organisms with high resolution and precise localization. In this research, single particle tracking photoactivation localization microscopy (sptPALM) technique was used to investigate the dynamics of fluorescent histonelike nucleoid-structuring proteins (H-NS) in live …

Go to article

The Covid-19 Pandemic And The Implementation Of The Americans With Disabilities Act Amendments Act In Higher Education: Discretionary Practices Of Disability Services Professionals, Crystal Denise Hill May 2022

The Covid-19 Pandemic And The Implementation Of The Americans With Disabilities Act Amendments Act In Higher Education: Discretionary Practices Of Disability Services Professionals, Crystal Denise Hill

Graduate Theses and Dissertations

The COVID-19 pandemic abruptly transformed the landscape of higher education. The urgent nature of procedural changes in academic and administrative higher education services did not exempt leadership, faculty, or staff from their legally mandated responsibility to provide equal access to the educational environment for students with disabilities as outlined within title II of the Americans with Disabilities Act Amendments Act (ADAAA). The purpose of this study was to explore the strategies used by disability services professionals to implement the ADAAAA during the COVID-19 pandemic. Sources and preferred formats of policy guidance were explored. The priorities of department, division, and institution-level …

Go to article

On The Same Page: Student Government And The University Administrative Agenda Alignment, James Michael Diloreto-Hill May 2022

On The Same Page: Student Government And The University Administrative Agenda Alignment, James Michael Diloreto-Hill

Graduate Theses and Dissertations

Within institutions of higher education, shared governance is an essential component to a healthy functionality. Among the many stakeholders at these institutions, students are the largest in number and hold primacy. Participation in student governance establishes a sense of shared ownership over their communities while also providing a unique avenue for students to gain wisdom and develop critical skill sets. Senior administrators at these institutions have many inherent challenges due to an organization that is largely decentralized and autonomous (Duderstadt, 2007). Regarding agenda setting, the Garbage Can Model (Cohen et al., 1972) was utilized as a theoretical framework. The purpose …

Go to article

Investigating The Impacts Of Participating In A Virtual Literacy Clinic: A Case Study Exploring Self-Efficacy In Pre-Service Teachers, Caitlin Mahoney Spears May 2022

Investigating The Impacts Of Participating In A Virtual Literacy Clinic: A Case Study Exploring Self-Efficacy In Pre-Service Teachers, Caitlin Mahoney Spears

Graduate Theses and Dissertations

This study describes how participation in a university literacy clinic impacts self-efficacy in pre-service teacher candidates. This study was conducted one and a half years into the global COVID-19 pandemic, creating the need for the clinic’s program, Literacy Camp, to be completed through fully virtual means. Thus, ways in which the pre-service teachers’ experience was impacted by the method of instructional delivery was also detailed. Despite the body of growing research related to virtual learning and efficacy outcomes, there was a gap in the literature related to pre-service teachers’ participation in a fully virtual university literacy clinic and its impacts …

Go to article

Characterization Of The Influence Of A Small Molecule Inhibitor On Ras-Related Proteins Interactions, Emilio Duverna May 2022

Characterization Of The Influence Of A Small Molecule Inhibitor On Ras-Related Proteins Interactions, Emilio Duverna

Graduate Theses and Dissertations

The Ras superfamily of small G proteins are involved in cell-signaling processes that, if not regulated, may lead to cell multiplication, apoptosis inhibition, and tumorigenesis. They function as molecular switches, which through GTP/GDP exchange cycle, switch on or off cellular activities. Overexpression and/or hyperactivity of these proteins have been linked to many diseases including various cancers. CDC42, a member of the Rho subfamily of the Ras superfamily of small G proteins, participates in the regulation of many cellular processes including cell adhesion, mitosis, and cytoskeletal rearrangements. CDC42 binds to and activates many effector proteins including CDC42-activated kinase (ACK). Abnormal activities …

Go to article

The Hard Work Is Worth It: Overcoming Unfavorable Determinants To Pass Pro-Immigrant Education Policy In A Conservative State Legislature, Megan Cardwell Godfrey May 2022

The Hard Work Is Worth It: Overcoming Unfavorable Determinants To Pass Pro-Immigrant Education Policy In A Conservative State Legislature, Megan Cardwell Godfrey

Graduate Theses and Dissertations

Immigrants, English learners (ELs), and culturally and linguistically diverse (CLD)students often lag behind their White, monolingual peers in academic achievement and English language proficiency. While there are policy solutions to improve academic and linguistic opportunities and outcomes for immigrant/EL/CLD students, such as implementing bilingual instructional models and increasing teacher diversity, these pro-immigrant policies can be hard to come by in some legislative contexts due to unfavorable economic, social, or political determinants. This qualitative case study analyzed the multifaceted political work that contributed to the passage of two pro-immigrant education policies in the Arkansas 93rd General Assembly: a bill for bilingual …

Go to article

Development Of A Long-Read Sequencing Protocol To Assess The Precision And Efficacy Of Gene Editing For Duchenne Muscular Dystrophy, Landon Andrew Burcham May 2022

Development Of A Long-Read Sequencing Protocol To Assess The Precision And Efficacy Of Gene Editing For Duchenne Muscular Dystrophy, Landon Andrew Burcham

Graduate Theses and Dissertations

This work establishes a method for assessing on-target precision due to CRISPR-Cas9 gene editing, especially within the context of exon skipping therapy for Duchenne Muscular Dystrophy. The proposed method utilizes an Oxford nanopore long-read sequencing approach to sequence amplified regions of DNA that have been edited using CRISPR-Cas9. NIH3T3 and C2C12 cell lines were treated with a dual-guide CRISPR-Cas9 system, that targets and deletes exon 23 from the DMD gene in mouse samples. Deletion PCR revealed deletion of exon 23 in both DNA and cDNA samples. Additionally, sequencing using Oxford Nanopore revealed targeted exon 23 deletion as the most prevalent …

Go to article

Reconstructing Bison And Mammoth Migration During The Late Pleistocene And Early Holocene Of Central Texas Using Strontium Isotopes, Joshua John Porter May 2022

Reconstructing Bison And Mammoth Migration During The Late Pleistocene And Early Holocene Of Central Texas Using Strontium Isotopes, Joshua John Porter

Graduate Theses and Dissertations

During the Late Pleistocene (LP; past 130,000 years), over two-thirds of large mammal (>45kg) species went extinct globally. While the role of humans is hotly debated, the effect of these extinctions is growing clearer; the extinctions resulted in widespread and lasting faunal community reorganization. However, the impact of these extinctions on dietary and migratory behavior within faunal communities is unknown. Our study examines the impact of the megafaunal extinctions on the dietary and migratory behavior of surviving Bison individuals in Texas using carbon, oxygen, and strontium isotopes. Strontium isotopes are incorporated into mammalian enamel during their tooth development and …

Go to article

Springdale, Arkansas Public Art And Its Impact On Diverse Community Members, Cara Elvira Salvatore May 2022

Springdale, Arkansas Public Art And Its Impact On Diverse Community Members, Cara Elvira Salvatore

Graduate Theses and Dissertations

Where we live and how we feel about this environment shape our quality of life. Our geographical location can contribute to our self-perceptions and bond-forming. These are each prioritized by the National Association of Social Workers’ (2021) ethics as essentials for overall health. The areas we live in steward different resources to meet local needs and priorities, ultimately achieving varying impact. Minimal, if any, research exists on topics such as Springdale, Arkansas’ public art, the impactful qualities of public art as defined by members of the public, and how the public art may change individuals’ navigation of and interactions within …

Go to article

Wonders In The Deep: Faith And Religious Practice In The Shipboard Writings Of American Sailors, 1810-1859, Valerie Sallis May 2022

Wonders In The Deep: Faith And Religious Practice In The Shipboard Writings Of American Sailors, 1810-1859, Valerie Sallis

Graduate Theses and Dissertations

While stereotypes of sailors as immoral, godless ne’er-do-wells flourish in mainland historical accounts, little attention has been paid to the records left by sailors that document their own faith and religious practices. This thesis examines the logbooks, journals, and diaries written by American sailors while at sea, sounding the depth of sailors’ religious beliefs through their own words. While American seamen certainly drank, swore, and caroused, sailors also frequently captured in their writing a much more religious nature than the mainland expected of them. Sailors’ position as highly mobile laborers on the ultimate borderlands—the sea itself—impacted their religious practice and …

Go to article

The Self-Invalidation Due To Emotion Scale (Sides): Development And Psychometric Properties, Regina E. Schreiber May 2022

The Self-Invalidation Due To Emotion Scale (Sides): Development And Psychometric Properties, Regina E. Schreiber

Graduate Theses and Dissertations

Self-stigma involves internalized negative evaluation in people with a societally prescribed label (i.e., mental health diagnosis). Thus, measures of self-stigma due to mental illness exclude people without a diagnosis who may negatively evaluate themselves because of their emotions— a process we define as self-invalidation due to emotion. In the current research, I introduced a definition of self-invalidation due to emotion as distinct from self-stigma due to mental illness and emotion invalidation from others. After expert review of the item pool (Study 1), and exploratory (Study 2) and confirmatory factor analysis (Study 3), a 10-item scale for Self-Invalidation Due to Emotion …

Go to article

Impact Of Genetic Variation And Timescale On Diatom Salinity Stress Response, Kala M. Downey May 2022

Impact Of Genetic Variation And Timescale On Diatom Salinity Stress Response, Kala M. Downey

Graduate Theses and Dissertations

Natural environments are dynamic, and organisms must sense and respond to changing conditions. One common way organisms deal with stressful environments is through gene expression changes, allowing for stress acclimation and resistance which occurs over varying time spans in different species. The recent evolutionary history of populations could greatly influence their ability to respond successfully. An evolutionary history in disturbed or fluctuating conditions could promote increased resistance or a more rapid response to these environmental stressors. To understand the impact of genotypic variation and timescales on response and acclimation to salinity changes, we have been exploiting the abilities of euryhaline …

Go to article

Junction Temperature Estimation Of Silicon Carbide Power Module Using Internal Gate Resistance As Temperature Sensitive Electrical Parameter, Michael Sykes May 2022

Junction Temperature Estimation Of Silicon Carbide Power Module Using Internal Gate Resistance As Temperature Sensitive Electrical Parameter, Michael Sykes

Graduate Theses and Dissertations

The junction temperature of a power module is measured non-intrusively and uninterrupted in its application by analyzing the dependency of gate resistance to temperature. The circuit configuration proposed consists of altering the gate loop path and adding a basic peak detection circuit with an added low-pass filter to accurately measure the small differences seen during a temperature change on the internal gate resistance. The testing on this Silicon Carbide power module shows that the internal gate resistance has a positive temperature coefficient. This causes the current and the voltage drop on the gate loop sensing resistance to reduce as the …

Go to article

Structural Checking Tool Restructure And Matching Improvements, Derek Taylor May 2022

Structural Checking Tool Restructure And Matching Improvements, Derek Taylor

Graduate Theses and Dissertations

With the rising complexity and size of hardware designs, saving development time and cost by employing third-party intellectual property (IP) into various first-party designs has become a necessity. However, using third-party IPs introduces the risk of adding malicious behavior to the design, including hardware Trojans. Different from software Trojan detection, the detection of hardware Trojans in an efficient and cost-effective manner is an ongoing area of study and has significant complexities depending on the development stage where Trojan detection is leveraged. Therefore, this thesis research proposes improvements to various components of the soft IP analysis methodology utilized by the Structural …

Go to article

Analysis Of Gentrification And Green Spaces In East Austin, Texas, Carly Fordyce May 2022

Analysis Of Gentrification And Green Spaces In East Austin, Texas, Carly Fordyce

Graduate Theses and Dissertations

Gentrification, the urban process that results from uneven development within cities, can cause unjust displacement of traditional, low-income residents in residential neighborhoods, and inequitable access to community services and benefits. Because of the negative social impacts that gentrification can have, many local governments and agencies have been known to attempt to mitigate changes by initiating different types of planning policies. Such policies usually apply changes in housing or zoning rules to enable lower-income residents to have access to housing and community amenities in the area. Another aspect resulting from gentrification that local government will try to rectify is low access …

Go to article

Cognitive Tribalism: A Social Doxastic Model, Robert Ragsdale May 2022

Cognitive Tribalism: A Social Doxastic Model, Robert Ragsdale

Graduate Theses and Dissertations

How are facemasks – seemingly innocuous artifacts of the biomedical industry – currently embroiled in cultural wars? What motivates popular rejections of scientific consensus and messaging about the reality and consequences of anthropogenic climate change or the COVID-19 virus and vaccine? The puzzle is that (a) despite its being in everyone’s rational interests to have a well-informed public and body politic about collective threats, and (b) despite the public availability of accurate and reliable information, scientific messaging and public discourse surrounding climate change, COVID-19, and vaccine hesitancy, nevertheless, tend to be hijacked by political interest. Yet, if belief is essentially …

Go to article

Economic Experiments On Group Identity And Bias, Nathaniel Christopher Burke May 2022

Economic Experiments On Group Identity And Bias, Nathaniel Christopher Burke

Graduate Theses and Dissertations

Experiments in economics have been a valuable tool to understand the behavioral implications of incentives on the decision-making process. Particularly, aspects of decision making that cannot be observed in empirical data can be better isolated in an experimental setting such as bias and identity impacts. This dissertation uses three distinct experiments to further the understanding of individual biases, perceptions, and identity and how they impact the way people defer to these internal traits under incentives. This dissertation looks at how well individuals can make inferences about polling data that was collected from individuals susceptible to socially desirable responding. It also …

Go to article

First Prev Next Last