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The Effectiveness of Peer Mentoring with High School Student Mentors and Child Mentees
This randomized, controlled study examined the effectiveness of two mentoring programs, child mentor relationship training (CMRT) and peer assistance and leadership (PAL®), on high school mentor empathic behaviors and child mentee behavior problems. Participants were 60 young, at-risk students (61.7% male; 38.3% Hispanic/Latino/a, 31.7% Caucasian, 21.7% African American, 8.3% biracial) and 30 high school students (53.3% male; 66.7% Caucasian, 26.7% Hispanic/Latino/a, 0.03% African American, 0.03% Asian). Mentors and mentees were randomly assigned to CMRT or PAL®, which was treatment as usual in the participating school district. Results from 2 (group) by 2 (time) repeated measures ANOVAs indicated compared to the PAL® treatment group over time, mentors in the CMRT group demonstrated statistically significant improvement in empathic behaviors with a large treatment effect, as rated by independent observers. Analysis revealed a moderate treatment effect with CMRT group mentee behavior problems, but the difference was not statistically significant between treatment groups over time. Further analysis revealed the CMRT group demonstrated statistically significant reductions in behavior problems from pre- to post-test with a very large treatment effect. Overall, findings support CMRT as a promising school-based intervention for at-risk young children that potentially increases school counselor efficiency.
Date:
December 2017
Creator:
Dafoe, Eric C.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Phylogenetic and Functional Characterization of Cotton (Gossypium hirsutum) CENTRORADIALIS/TERMINAL FLOWER1/SELF-PRUNING Genes
Plant architecture is an important agronomic trait driven by meristematic activities. Indeterminate meristems set repeating phytomers while determinate meristems produce terminal structures. The centroradialis/terminal flower1/self pruning (CETS) gene family modulates architecture by controlling determinate and indeterminate growth. Cotton (G. hirsutum) is naturally a photoperiodic perennial cultivated as a day-neutral annual. Management of this fiber crop is complicated by continued vegetative growth and asynchronous fruit set. Here, cotton CETS genes are phylogenetically and functionally characterized. We identified eight CETS genes in diploid cotton (G. raimondii and G. arboreum) and sixteen in tetraploid G. hirsutum that grouped within the three generally accepted CETS clades: flowering locus T (FT)-like, terminal flower1/self pruning (TFL1/SP)-like, and mother of FT and TFL1 (MFT)-like. Over-expression of single flower truss (GhSFT), the ortholog to Arabidopsis FT, accelerates the onset of flowering in Arabidopsis Col-0. In mutant rescue analysis, this gene driven by its native promoter rescues the ft-10 late flowering phenotype. GhSFT upstream sequence was used to drive expression of the uidA reporter gene. As anticipated, GUS accumulated in the vasculature of Arabidopsis leaves. Cotton has five TFL1-like genes, all of which delay flowering when ectopically expressed in Arabidopsis; the strongest phenotypes fail to produce functional flowers. Three …
Date:
December 2017
Creator:
Prewitt, Sarah F.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Artscapes: Community Perceptions of City Beautification through Murals in Denton, Texas
Keep Denton Beautiful (KDB) is inspired by Keep America Beautiful's model of community engagement to create a clean, beautiful, and vibrant city. The community mural initiative, Artscapes, aims to enliven public spaces, abate graffiti, and inspire community members to keep Denton, Texas, clean and beautiful. The goals of this research project are to understand the impact of Artscapes initiative, community perceptions of public art, and find ways KDB can better align future mural projects with the needs and desires of community members. By talking to artists that have worked with KDB, members of the mural art committee, and community members from the neighborhoods that have existing murals, this research provides input from these three populations to continue creating public art for the Denton community. I discuss the context of my work through Lefebvre's concept of "Right to the City," Rafael Schacter's opposition between sanctioned and non-sanctioned murals, Bourdieu's concept of symbolic and social capital, and David Harvey's work on neoliberalism and the entrepreneurial city.
Date:
December 2017
Creator:
Robertson, Lindsey
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
An Analytical Perspective of the Developing Aesthetic Concepts in Sergey Prokofiev's Choses en soi, Op. 45
The purpose of this study is to analyze the compositional techniques in Choses en soi op.45, by Sergey Prokofiev, and to explore the new aesthetic concepts he claimed to include in this composition. Through the examination of the compositional elements and discussion of its salient characteristics.
Date:
December 2017
Creator:
Liu, Tzu-Yi
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Considerations for Global Development and Impact using Haiti as a Case Study
As the world becomes more connected, issues surrounding sustainable development are coming to the fore of global discussions. This is exemplified in strategies such as the United Nation's Sustainable Development Goals (SDGs), released in 2015, which created a framework for global development that defines specific goals for issues like poverty, climate change, and social justice. To complement the analysis that went into defining the SDGs, capital allocations around the world are becoming more impact focused so that the paradigm of development is shifting from donations to impact investments. The push for impact, however, has led to a homogenization of global challenges like reproductive health and poverty. This, in turn, has led to a standardization of information resulting in agencies designing interventions based on data and information that is misguided because of incorrect assumptions about a specific context. This paper explores how the decision-making mechanisms of global development agencies and investors could apply more anthropological processes to mitigate negative impact. As the development sector becomes more and more standardized, anthropologists can act as translators between affected communities and the institutions deciding how best to help them.
Date:
December 2017
Creator:
Clerie, Isabelle
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Bureaucracy: A Love Story
Bureaucracy usually only becomes visible when it stops working—when a system fails, when an event gets off schedule, when someone points to a problem or glitch in a carefully calibrated workflow. But Bureaucracy: A Love Story draws together research done by scholars and students in the Special Collections at the University of North Texas to illuminate how bureaucracy structures our contemporary lives across a range of domains. People have navigated bureaucracy for centuries, by creating and utilizing various literary and rhetorical forms—from indexes to alphabetization to diagrams to blanks—that made it possible to efficiently process large amounts of information. Contemporary bureaucracy is likewise concerned with how to collect and store information, to circulate it efficiently, and to allow for easy access. We are interested both in the conventional definition of bureaucracy as a form of ordering and control connected to institutions and the state, but we also want to uncover how people interacted—often in creative ways—with the material forms of bureaucracy.
Date:
2017
Creator:
Cervantes, Gabriel; Porter, Dahlia; Skinnell, Ryan & Wisecup, Kelly
Object Type:
Book
System:
The UNT Digital Library
Faculty Recital: 2017-11-12 – Jeff Bradetich, double bass
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Faculty recital presented at the UNT College of Music Voertman Hall.
Date:
November 12, 2017
Creator:
Bradetich, Jeff
Object Type:
Video
System:
The UNT Digital Library
Accidental Activists: Mark Phariss, Vic Holmes, and Their Fight for Marriage Equality in Texas
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Use of this item is restricted to the UNT Community
In early 2013 same-sex marriage was legal in only ten states and the District of Columbia. That year the Supreme Court’s decision in United States v. Windsor appeared to open the door to marriage equality. In Texas, Mark Phariss and Vic Holmes, together for sixteen years and deeply in love, wondered why no one had stepped across the threshold to challenge their state’s 2005 constitutional amendment prohibiting same-sex marriage. They agreed to join a lawsuit being put together by Akin Gump Strauss Hauer & Feld LLD. Two years later—after tense battles in the Federal District Court for the Western District of Texas and in the Fifth Circuit Court of Appeals, after sitting through oral arguments at the Supreme Court of the United States in Obergefell v. Hodges—they won the right to marry deep in the heart of Texas. But the road they traveled was never easy. Accidental Activists is the deeply moving story of two men who struggled to achieve the dignity of which Justice Anthony Kennedy spoke in a series of Supreme Court decisions that recognized the “personhood,” the essential humanity of gays and lesbians. Author David Collins tells Mark and Vic’s story in the context of legal and …
Date:
August 2017
Creator:
Collins, David
Object Type:
Book
System:
The UNT Digital Library
Death on the Lonely Llano Estacado: The Assassination of J. W. Jarrott, a Forgotten Hero
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In the winter of 1901, James W. Jarrott led a band of twenty-five homesteader families toward the Llano Estacado in far West Texas, newly opened for settlement by a populist Texas legislature. But frontier cattlemen who had been pasturing their herds on the unfenced prairie land were enraged by the encroachment of these “nesters.” In August 1902 a famous hired assassin, Jim Miller, ambushed and murdered J. W. Jarrott. Who hired Miller? This crime has never been solved, until now. Award-winning author Bill Neal investigates this cold case and successfully pieces together all the threads of circumstantial evidence to fit the noose snugly around the neck of Jim Miller’s employer. What emerges from these pages is the strength of intriguing characters in an engrossing narrative: Jim Jarrott, the diminutive advocate who fearlessly champions the cause of the little guy. The ruthless and slippery assassin, Deacon Jim Miller. And finally Jarrott’s young widow Mollie, who perseveres and prospers against great odds and tells the settlers to “Stay put!”
Date:
July 2017
Creator:
Neal, Bill
Object Type:
Book
System:
The UNT Digital Library
The Impact of True Fit® Technology on Millennial Consumer Confidence and Satisfaction in their Online Clothing Purchase
This study examines the use of True Fit® technology by millennial consumers and its impact on consumer confidence and satisfaction with respect to online sizing. In the apparel industry, there is a lack of size standards among retailers, and as a result consumers will encounter frequent size variations in their clothing size. Difference sizing technology has been developed to address the sizing issue. One is True Fit® which unlike other sizing technologies, uses mathematical algorithms to compile large amounts of data from designers. The purpose of this study was to analyze consumer confidence and satisfaction after True Fit® has been used to make a sizing decision while online shopping. The technology acceptance model (TAM) was used as the basis for the theoretical framework for this study. TAM explores how current advances in technology are influencing consumers' behaviors and attitudes. The variables studies included perceived ease of use, perceived usefulness, attitude, intent to use True Fit®, confidence and satisfaction. The methodology used in the study is a quantitative method consisting of an online survey and a True Fit® task, where consumers were exposed to True Fit® prior to answering questions about the use of sizing technology. The results of the study …
Date:
December 2017
Creator:
Parr, Jacqueline Nicole
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Using Concurrent Schedules of Reinforcement to Decrease Behavior
We manipulated delay and magnitude of reinforcers in two concurrent schedules of reinforcement to decrease a prevalent behavior while increasing another behavior already in the participant's repertoire. The first experiment manipulated delay, implementing a five second delay between the behavior and delivery of reinforcement for a behavior targeted for decrease while no delay was implemented after the behavior targeted for increase. The second experiment manipulated magnitude, providing one piece of food for the behavior targeted for decrease while two pieces of food were provided for the behavior targeted for increase. The experiments used an ABAB reversal design. Results suggest that behavior can be decreased without the use of extinction when contingencies favor the desirable behavior.
Date:
December 2017
Creator:
Palmer, Ashlyn
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Impact of Relational Incongruity on Customer Ownership and Sales Outcome Performance: A Resource-Advantage Theory Approach
There exists heightened research attention afforded to the pivotal demands - both internal and external - that exist within the salesperson role set. Unprecedented pressures on salespersons to acquire, retain, and build enduring customer relationships to enhance the firm's bottom-line performance coincides with increasing complexities within the work environment. This relevant and timely research introduces an original construct derived from the long-standing attention afforded to relationship selling, relational incongruity that exists within the buyer-seller exchange. Relational incongruity, defined, is the relational tension spawned between the salesperson, the customer, and the firm when situational psychological incongruity exists within the buyer-seller exchange itself. Framed in resource-advantage theory, this research investigates divergent demands and the increasing complexity of sales relationships through the lens of relational incongruity. A research program based on minimizing relational incongruity will augment the sales management and B2B literature by looking at how he salesperson and the customer build strong relationships as well as the antecedents that can undermine these relationships by generating realtional incongruity.
Date:
December 2017
Creator:
Fergurson, Ricky
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Effects of HALSs and Nano-ZnO Worked as UV Stabilizers of Polypropylene
This work reports the outdoor weathering performance of ultraviolet (UV)-stabilized polypropylene (PP) products (using PP resins from Encore Wire). Different hindered amine light stabilizers (HALSs) and nano-ZnO were used to stabilize PP-film-based formulations that were exposed under UV light for 6 weeks simulating for in harsh outdoor weather of Dallas, Texas, USA in 2016. Characterization of the exposed PP film products was done in terms of mechanical and friction spectroscopic properties. The PP film formulations were divided into 15 categories based on the type of HALS and nano-ZnO incorporated. This was done to derive meaningful comparison of the various film formulations. Following exposure under UV light, the lifetimes of certain formulations were determined. On the basis of the mechanical and friction properties, it was determined that generally, the HALS or nano-ZnO stabilized PP film give better properties and if those two kinds of UV stabilizers can work together.
Date:
December 2017
Creator:
Lu, Xinyao
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Core-Shell Based Metamaterials: Fabrication Protocol and Optical Properties
The objective of this study is to examine core-shell type plasmonic metamaterials aimed at the development of materials with unique electromagnetic properties. The building blocks of metamaterials under study consist of gold as a metal component, and silica and precipitated calcium carbonate (PCC) as the dielectric media. The results of this study demonstrate important applications of the core-shells including scattering suppression, airborne obscurants made of fractal gold shells, photomodification of the fractal structure providing windows of transparency, and plasmonics core-shell with a gain shell as an active device. Plasmonic resonances of the metallic shells depend on their nanostructure and geometry of the core, which can be optimized for the broadband extinction. Significant extinction from the visible to mid-infrared makes fractal shells very attractive as bandpass filters and aerosolized obscurants. In contrast to the planar fractal films, where the absorption and reflection equally contribute to the extinction, the shells' extinction is caused mainly by the absorption. This work shows that the Mie scattering resonance of a silica core with 780 nm diameter at 560 nm is suppressed by 75% and only partially substituted by the absorption in the shell so that the total transmission is noticeably increased. Effective medium theory supports …
Date:
December 2017
Creator:
De Silva, Vashista C
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Generation of Recombinant Zea mays Spastin and Katanin Proteins for In Vitro Analysis
Plant microtubules play essential roles in cell processes such as cell division, cell elongation, and organelle organization. Microtubules are arranged in highly dynamic and ordered arrays, but unlike animal cells, plant cells lack centrosomes. Therefore, microtubule nucleation and organization are governed by microtubule-associated proteins, including a microtubule-severing protein, katanin. Mutant analysis and in vitro characterization has shown that the highly conserved katanin is needed for the organization of the microtubule arrays in Arabidopsis and rice as well as in a variety of animal models. Katanin is a protein complex that is part of the AAA+ family of ATPases. Katanin is composed of two subunits, katanin-p60, a catalytic subunit and katanin-p80, a regulatory subunit. Spastin is another MT-severing protein that was identified on the basis of its homology to katanin. In animal cells, spastin is also needed for microtubule organization, but its functionality has not yet been investigated in plants. To initiate an exploration of the function of katanin-p60 and spastin in Zea mays, my research goal was to generate tools for the expression and purification of maize katanin-p60 and spastin proteins in vitro. Plasmids that express katanin-p60 and spastin with N-terminal GST tags were designed and constructed via In-Fusion® cloning …
Date:
December 2017
Creator:
Alodailah, Sattam Sonitan
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
ActivAmerica
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Use of this item is restricted to the UNT Community
Series of fictional stories and commentaries about sports in the United States and how they affect individuals and communities.
Date:
November 2017
Creator:
Cass, Meagan
Object Type:
Book
System:
The UNT Digital Library
Texas Rangers: Lives, Legend, and Legacy
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Use of this item is restricted to the UNT Community
Authors Bob Alexander and Donaly E. Brice grappled with several issues when deciding how to relate a general history of the Texas Rangers. Should emphasis be placed on their frontier defense against Indians, or focus more on their role as guardians of the peace and statewide law enforcers? What about the tumultuous Mexican Revolution period, 1910-1920? And how to deal with myths and legends such as One Riot, One Ranger? Texas Rangers: Lives, Legend, and Legacy is the authors’ answer to these questions, a one-volume history of the Texas Rangers. The authors begin with the earliest Rangers in the pre-Republic years in 1823 and take the story up through the Republic, Mexican War, and Civil War. Then, with the advent of the Frontier Battalion, the authors focus in detail on each company A through F, relating what was happening within each company concurrently. Thereafter, Alexander and Brice tell the famous episodes of the Rangers that forged their legend, and bring the story up through the twentieth century to the present day in the final chapters.
Date:
July 2017
Creator:
Alexander, Bob & Brice, Donaly E.
Object Type:
Book
System:
The UNT Digital Library
The Ranger Ideal
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Established in Waco in 1968, the Texas Ranger Hall of Fame and Museum honors the iconic Texas Rangers, a service which has existed, in one form or another, since 1823. They have become legendary symbols of Texas and the American West. Thirty-one Rangers, with lives spanning more than two centuries, have been enshrined in the Hall of Fame. In The Ranger Ideal Volume 1: Texas Rangers in the Hall of Fame, 1823-1861, Darren L. Ivey presents capsule biographies of the seven inductees who served Texas before the Civil War. He begins with Stephen F. Austin, “the Father of Texas,” who laid the foundations of the Ranger service, and then covers John C. Hays, Ben McCulloch, Samuel H. Walker, William A. A. “Bigfoot” Wallace, John S. Ford, and Lawrence Sul Ross. Using primary records and reliable secondary sources, and rejecting apocryphal tales, The Ranger Ideal presents the true stories of these intrepid men who fought to tame a land with gallantry, grit, and guns. This Volume 1 is the first of a planned three-volume series covering all of the Texas Rangers inducted into the Hall of Fame and Museum in Waco, Texas.
Date:
October 2017
Creator:
Ivey, Darren L.
Object Type:
Book
System:
The UNT Digital Library
Ensemble: 2017-11-15 – UNT Symphony Orchestra
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Orchestra concert performed in the UNT College of Music Winspear Hall.
Date:
November 15, 2017
Creator:
University of North Texas. Symphony Orchestra.
Object Type:
Video
System:
The UNT Digital Library
Ensemble: 2017-11-15 – UNT Symphony Orchestra [Stage Perspective]
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Use of this item is restricted to the UNT Community
Orchestra concert performed in the UNT College of Music Winspear Hall. This video is shot from the orchestra's perspective, showing the conductor.
Date:
November 15, 2017
Creator:
University of North Texas. Symphony Orchestra.
Object Type:
Video
System:
The UNT Digital Library
Ensemble: 2017-11-20 – UNT Concert Orchestra
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Orchestra concert performed at the UNT College of Music.
Date:
November 20, 2017
Creator:
UNT Concert Orchestra
Object Type:
Video
System:
The UNT Digital Library
Ensemble: 2017-11-20 – UNT Concert Orchestra [Stage Perspective]
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Use of this item is restricted to the UNT Community
Orchestra concert performed at the UNT College of Music. This video is shot from the orchestra's perspective, showing the conductor.
Date:
November 20, 2017
Creator:
UNT Concert Orchestra
Object Type:
Video
System:
The UNT Digital Library
Ensemble: 2017-11-21 – One O'Clock Lab Band
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Big band concert performed at the UNT College of Music Winspear Hall.
Date:
November 21, 2017
Creator:
One O'Clock Lab Band
Object Type:
Video
System:
The UNT Digital Library
Ensemble: 2017-10-23 – UNT Symphony Orchestra [Stage Perspective]
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Use of this item is restricted to the UNT Community
Orchestra concert performed at the UNT College of Music Winspear Hall. This video is shot from the orchestra's perspective, showing the conductor.
Date:
October 23, 2017
Creator:
University of North Texas. Symphony Orchestra.
Object Type:
Video
System:
The UNT Digital Library