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open access

A Validation Study of the Triple E Rubric for Lesson Design: A Measurement Tool for Technology Use in the Classroom

Description: This validation study examined the Triple E Rubric for Lesson Design as a measurement tool to test the effectiveness of a lesson when using technology to support learning goals. This study also measured the content and concurrent validity as well as reliability of the Triple E Rubric developed by Liz Kolb.
Date: May 2019
Creator: Schatzke, Sheila Erin
Partner: UNT Libraries

Computational Studies of Catalysis Mediated by Transition Metal Complexes

Description: Computational methods were employed to investigate catalytic processes. First, DFT calculations predicted the important geometry metrics of a copper–nitrene complex. MCSCF calculations supported the open-shell singlet state as the ground state of a monomeric copper nitrene, which was consistent with the diamagnetic character deduced from experimental observations. The calculations predicted an elusive terminal copper nitrene intermediate. Second, DFT methods were carried out to investigate the … more
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Date: May 2019
Creator: Jiang, Quan
Partner: UNT Libraries
open access

Utilization of Mental Health Services by African American Undergraduate Students

Description: This study explores where African American college students find mental health support and why those supports are chosen. Greater knowledge of the sources of mental health support sought by African American college students can assist higher education institutions in adapting current services to meet the needs of this specific student population. A qualitative phenomenological approach was utilized, and the study's sample included twelve participants, 6 female and 6 male, from a large public fo… more
Date: May 2019
Creator: Wood, Olivia S
Partner: UNT Libraries

Who is Who in Zimbabwe's Armed Revolution? Representation of the ZAPU/ZIPRA and the ZANU/ZANLA in High School History Textbooks Narratives of the Liberation War

Description: The liberation war was a watershed event in the history of Zimbabwe. According to the ZANU PF (Zimbabwe African National Union Patriotic Front) ruling elites, an understanding of the common experiences of the people during the liberation war provides the best opportunity to mold a common national identity and consciousness. However, the representation of important historical events in a nation's history is problematic. At best events are manipulated for political purposes by the ruling elites, … more
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Date: May 2019
Creator: Sibanda, Lovemore
Partner: UNT Libraries
open access

Student Information Gathering: Examining What Happens when School Librarians Attempt to Convey Online Information Search Strategies to Meet Information Needs

Description: There is a growing expectation that school librarians function within their job descriptions beyond the role of reading promoter and resource manager. With college and career readiness standards, technology use and digital learning standards and information literacy standards now in place for student learning expectations, it is vital that students have opportunities to acquire, develop and practice such skills for future success in the global market economy. For students to receive such opport… more
Date: May 2019
Creator: Chetzron, Jackie B.
Partner: UNT Libraries
open access

Exploring District and Campus Leaders' Practices that Support Homeless Students in Public Schools

Description: This qualitative case study explored how school district and campus-level administrators coordinate resources and services for currently enrolled homeless students. Participants in this study included three district-level administrators designated as the homeless liaison and three campus principals. Data collected and analyzed included audio recordings of semi-structured interviews of each participant, documents at the district and campus-levels, school board meeting notes, and research field… more
Date: May 2019
Creator: Walker, Tonia L
Partner: UNT Libraries
open access

Stability and Trajectories of Early Supportive Environment and Adolescents' Depression and Mastery

Description: Previous studies highlighted the importance of parental support for development of mastery of control and depressive symptoms. These studies tended to examine one time wave and outcomes related to that period, forwarding an assumption parenting behaviours do not change as children age. Using the National Longitudinal Survey of Youth 1979-Children and Young Adults, this study filled the gap by examining children's supportive environment at three time points and determining how levels of support … more
Date: May 2019
Creator: Wu, Minwei
Partner: UNT Libraries

Praseodymium Oxide and Organic Modified Cerium Oxide Nanoparticles for Electrodeposition of Nickel-Ceramic Nanocomposites to Enhance Corrosion Protection and Mechanical Properties

Description: There is a consistent need in many industries, especially oil and gas, to develop coatings which have higher corrosion resistance and better hardness to extend the lifetime of equipment when it is exposed to hostile environments. Electrodeposition has been a favorable method in the synthesis of metal coatings because of its low cost, convenience, ability to work at low temperatures, and ability to control surface morphology and structure. The inclusion of ceramic nanoparticles in metal matrix c… more
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Date: May 2019
Creator: Sanders, Stephen
Partner: UNT Libraries

Information Sharing and Storage Behavior via Cloud Computing: Security and Privacy in Research and Practice and Users' Trust

Description: This research contributes to the cloud computing (CC) literature and information science research by addressing the reality of information sharing and storage behavior (ISSB) of the users' personal information via CC. Gathering information about usage also allows this research to address the paradox between the research and practice. Additionally, this research explores the concept of trust and its role in the behavioral change relative to CC. The findings help reconcile the paradox between th… more
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Date: May 2019
Creator: Al Smadi, Duha
Partner: UNT Libraries

Modeling Marijuana Use Willingness and Problems as a Function of Social Rejection and Social Anxiety

Description: Marijuana is the second most commonly used substance in the US. A growing literature suggests that socially anxious individuals use marijuana to manage their symptoms in social situations, which may explain why they are also more likely to experience problems. Unfortunately, the majority of the literature is based on research conducted with adult samples or the co-occurrence of diagnoses in adolescent samples. The proposed study sought to test the link between social anxiety (SA) and proxies fo… more
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Date: May 2019
Creator: Cloutier, Renee
Partner: UNT Libraries
open access

Relations between Sibling Relationship Quality and Romantic Competence among Young Adults

Description: A primary task of adolescence and young adulthood is to form and develop healthy romantic relationships. While the importance of sibling and romantic relationships have been examined separately, only recently have researchers begun to explore links between the two. The purpose of the present study was to investigate the connection between romantic competence and sibling relationships, especially sibling warmth and sibling conflict, as well as the role of sibling gender constellation in college-… more
Date: May 2019
Creator: Sun, Li Wei
Partner: UNT Libraries
open access

Exploring Physical Unclonable Functions for Efficient Hardware Assisted Security in the IoT

Description: Modern cities are undergoing rapid expansion. The number of connected devices in the networks in and around these cities is increasing every day and will exponentially increase in the next few years. At home, the number of connected devices is also increasing with the introduction of home automation appliances and applications. Many of these appliances are becoming smart devices which can track our daily routines. It is imperative that all these devices should be secure. When cryptographic keys… more
Date: May 2019
Creator: Yanambaka, Venkata Prasanth
Partner: UNT Libraries
open access

What Experiences do Trans* Students have during Their Time in College?

Description: Although trans* students often face greater levels of discrimination, harassment, and hostility on college campuses than their cisgender peers, research indicated that they can succeed by developing and honing survival strategies, such as resilience and being part of a trans* kinship network that resists trans* oppression. Having the support of family, and by taking the risk to cultivate relationships while in college also improves the likelihood of persistence through college. The term trans* … more
Date: May 2019
Creator: McCormick, Mary Frances
Partner: UNT Libraries

Substrate Nanotopography and Stiffness Modulation of Cell Behavior

Description: The physical characteristics (i.e., nanostructure and stiffness) of the extracellular matrix where cells reside have been shown to profoundly affect numerous cellular events in vivo and also been employed to modulate cell behavior in vitro, yet how these physical cues regulate cell behavior is still elusive. Therefore, we engineered a variety of nanotopographies with different shapes and dimensions, and investigated how the nanotopographical cue, through focal adhesions-cytoskeleton-nucleus pat… more
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Date: May 2019
Creator: Wang, Kai
Partner: UNT Libraries

Bio-Inspired Material Surfaces with Self-cleaning, Micromanipulation and Water Collection

Description: Geckos are famous for the skill of switchable adhesion that they use to stick on various surface while keep their fingers super clean. In the dissertation, a unique mechanism was discovered to explain gecko self-cleaning phenomena. Using atomic force microscopy (AFM), we managed to compare the microparticle-substrate adhesion and the microparticle-seta adhesion with a single seta bonded to the AFM cantilever. A dynamic effect was approved that high pulling-off speed could increase the micropart… more
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Date: May 2019
Creator: Wan, Yiyang
Partner: UNT Libraries
open access

A Study on Flat-Address-Space Heterogeneous Memory Architectures

Description: In this dissertation, we present a number of studies that primarily focus on data movement challenges among different types of memories (viz., 3D-DRAM, DDRx DRAM and NVM) employed together as a flat-address heterogeneous memory system. We introduce two different hardware-based techniques for prefetching data from slow off-chip phase change memory (PCM) to fast on-chip memories. The prefetching techniques efficiently fetch data from PCM and place that data into processor-resident or 3D-DRAM-resi… more
Date: May 2019
Creator: Islam, Mahzabeen
Partner: UNT Libraries
open access

Exploration of Transition Metal-Containing Catalytic Cycles via Computational Methods

Description: Styrene production by a (FlDAB)PdII(TFA)(η2-C2H4) complex was modeled using density functional theory (DFT). Benzene C-H activation by this complex was studied via five mechanisms: oxidative addition/reductive elimination, sigma-bond metathesis, concerted metalation deprotonation (CMD), CMD activation of ethylene, and benzene substitution of ethylene followed by CMD of the ligated benzene. Calculations provided evidence that conversion of benzene and ethylene to styrene was initiated by the fif… more
Date: May 2019
Creator: Ceylan, Yavuz Selim
Partner: UNT Libraries
open access

Perceptions of Principals Learning to Lead Professional Learning Communities in a Fast-Growth District

Description: The role of the principal has become increasingly complex and challenging. Recent emphasis has been placed on the role of principals as leaders who can build a culture of learning in schools to close the student achievement gap. Outside factors such as fast-growth in Texas have caused schools to change and grow quickly, which increases the learning demands placed on principals as they seek to develop the knowledge and skills needed for effective leadership. Developing and sustaining a professio… more
Date: December 2019
Creator: Rapp, Kellie C
Partner: UNT Libraries
open access

Leadership Practices for Effective Equitable Learning Environments: A Case Study of Opportunity Gaps in a Rural District

Description: In rural, low socioeconomic public schools, the diversity of the student population challenges teachers beyond their means to meet the wide-ranging needs of students, and therefore creating opportunity gaps. The purpose of this study was to explore one district's leadership support of teachers to create an equitable learning environment for all students. The present study built on existing literature by discovering leadership practices and perceived necessary supports for closing achievement ga… more
Date: December 2019
Creator: Palazzetti, Lisa A
Partner: UNT Libraries

Uncle Sam Does Not Want You: Military Rejection and Discharge during the World Wars

Description: In the United States, rapid military mobilization for the world wars marked a turning point in the national need to manage and evaluate manpower. To orchestrate manpower needs for the military, industry, and those relating to familial obligations, Woodrow Wilson's administration created the Selective Service System during the First World War. In categorizing men, local Selective Service boards utilized rapid physical and psychological diagnostic techniques and applied their assessments to curre… more
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Date: August 2019
Creator: Smith Chamberlain, Tiffany Leigh
Partner: UNT Libraries
open access

The Saxophone Music of Pierre-Philippe Bauzin: A Survey of Original Compositions and Rediscovery of Lost Works

Description: Pierre-Philippe Bauzin (1933-2005) was a skilled keyboard performer, improviser, and composer. By way of his close personal friendship with renowned saxophonist Jean-Marie Londeix, Bauzin began dedicating, composing, and often times performing music for saxophone with Londeix, beginning in 1959. The results of this friendship produced eleven original works for saxophone with diverse instrumentation, ranging from solo compositions to large ensembles. Due to Bauzin's preference for improvising th… more
Date: May 2019
Creator: Murphy, Sean (Saxophonist)
Partner: UNT Libraries

A Pedagogical Guide to the Piccolo Trumpet

Description: The modern piccolo trumpet is required by professional trumpet players for the performance of solo repertoire, chamber music, orchestra, and wind band. Students in universities around the world study the piccolo trumpet in preparation for professional careers, but relatively few pedagogical tools exist to specifically focus on the nuanced techniques of the instrument such as articulation, range, and sound production. The purpose of this project is to create a pedagogical guide that can serve as… more
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Date: May 2019
Creator: Goldman, Casey
Partner: UNT Libraries

Allusions and Borrowings in Selected Works by Christopher Rouse: Interpreting Manner, Meaning, and Motive through a Narratological Lens

Description: Christopher Rouse (b. 1949), winner of the Pulitzer Prize for his Trombone Concerto (1993) and a Grammy award for his Concerto de Gaudi (1999), has come to the forefront as one of America's most prominent orchestral composers. Several of Rouse's works feature quotations of and strong allusions to other composers' works that are used both rhetorically and structurally. These borrowings range from a variety of different genres and styles of works, from Claudio Monteverdi's L'incoronazione di Popp… more
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Date: May 2019
Creator: Morey, Michael J.
Partner: UNT Libraries
open access

The Brazilian Art Song and the Non-Brazilian Portuguese Singer: A Performance Guide to Nine Songs by Alberto Nepomuceno

Description: Alberto Nepomuceno (1864-1920) is considered to be the father of the Brazilian art song. With a total of seventy songs, Nepomuceno revolutionized and established a new path to the Brazilian art song. His songs were innovative because they: (1) incorporated folk elements in his songs, (2) introduced Portuguese as a language acceptable in bel canto style and (3) established Brazilian songs in the tradition of the European vanguard. His approach influenced several composers including his young stu… more
Date: May 2019
Creator: Riggs, Rawlianne
Partner: UNT Libraries
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