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366 Matching Results
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The Keyboard Music of Peter Philips
The keyboard works of the English virginalist Peter Philips have been little studied in comparison with his more famous contemporaries, William Byrd, John Bull and Jan Pieterszoon Sweelinck. While Philips left comparatively fewer keyboard works than these composers, his music contains very unique attributes. This study compiles the latest research of Philips' life as well as an analysis of representative works showing many of the individual and uncommon features to be found in Philips' works for keyboard. Pieces from all genres of Philips' keyboard output are represented and discussed, including Pavanes and Galliards, Fantasias and Intabulations of madrigals. Musical examples of each of these works are provided. A description of the instruments needed for the performance of the music and an illustration of the rare type of keyboard instrument required in the Pavana and Galliarda Dolorosa is included. A discussion of Philips' style, particularly regarding ornamentation, is included with a comparison to the works of his contemporaries.
Date:
August 2010
Creator:
Bennight, Brad
System:
The UNT Digital Library
The Enemy of My Enemy: International Alliances Against Transnational Terrorist Organizations
A dearth of pre-existing research in the field prompted this thesis on whether traditional econometric analyses of war deterrent alliances are applicable to modern alliances for counter terror purposes. Apparent foundational and contextual differences between the two types of alliances and the costs and benefits member nations derive from each lead the author to theorize that factors contributing to the formation of each alliance are fundamentally similar. Multiple types of statistical models are used to measure variables from the Correlates of War and Polity datasets combined with custom variables in a new dataset concerning major transnational terrorist attacks and the resultant alliances in testing the effect of traditionally contributing formation factors on alliances against terrorism. The results indicate that some contributing factors are similar, extant analysis tools have utility and that further investigation is justified.
Date:
December 2010
Creator:
Berthume, Joshua Guy
System:
The UNT Digital Library
Living-learning communities and ethnicity: A study on closing the achievement gap at Regional University
This quasi-experimental study examined the impact of living-learning communities on GPA and fall-to-fall retention rates for college freshmen at Regional University (RU). The specific focus of this study was the effect of these communities on students of different ethnic groups and on the potential of these communities to reduce the academic performance gap. RU was a small public university that offered both undergraduate and graduate degree programs. RU required all freshman students to live on campus in living-learning communities beginning with the 2007-2008 academic year. This study utilized the 343 student freshman cohort class of 2008 in the living-learning communities as the treatment group. This treatment group was compared against the 193 student freshman cohort class of 2008 living off campus and against the 643 student freshman cohort class of 2006 living on campus prior to the implementation of living-learning communities. In addition, the statistics were analyzed by ethnicity to examine the impact of these communities on White, Hispanic, African American, and Native American students and their ability to reduce the academic performance gap. The research revealed that the communities implemented at RU were not statistically significant at improving academic performance or at reducing the achievement gap. The results of …
Date:
May 2010
Creator:
Bewley, Jason Loyd
System:
The UNT Digital Library
QEEG and LORETA findings in children with histories of relational trauma.
Abuse and neglect occurring in childhood have been associated with a number of functional and physiological effects on the brain. This study extends previous research that investigated the quantitative electroencephalogram (qEEG) patterns in children with histories of relational trauma through the inclusion of additional participants and measures. As in previous studies, the relative power, absolute power, and coherence values in children with histories of abuse were compared to the Neuroguide database. Results did not show any significant differences in relative or absolute power in the theta range. Similarly, there were no significant coherence differences. Database comparisons were also made using low resolution electromagnetic tomography (LORETA) in order to determine which sub-cortical brain structures may be affected by abuse or trauma, though there were no significant differences in any frequency (0-30Hz). A review of the literature suggests that the prevalence of mu in normal adults and children ranges from 0 to 19%. The present study found a mu prevalence rate of 60.6% in the children who experienced abuse or neglect. Finally, comparisons were made between participants who demonstrate a mu pattern and those who do not to determine if this pattern is associated with certain behavioral and/or attention problems as assessed …
Date:
May 2010
Creator:
Bigby, Janice A.
System:
The UNT Digital Library
Soft Landing Ion Mobility Mass Spectrometry: History, Instrumentation and an Ambient Pressure Application
Preparative mass spectrometry is an important method for the synthesis of new materials. Recently, soft landing mass spectrometry has been used to land ions on surfaces to coat or otherwise alter them. Commercial soft landing instruments do not yet exist, and the physical phenomenon of soft landing has not yet been fully described. For future ion mobility soft landing research, the theory of ion mobility, ion optics and soft landing is discussed, and 2 soft landing instruments have been built and described, along with proof of concept experiments for both instruments. Simulations of the process of ion mobility and ion optics for use in these instruments, as well as some preliminary results for the optics are included. Surfaces described include copper on mica and iron on silicon. Self assembly of soft landed ions is observed on the surfaces. The instruments constructed will be useful for future soft landing research, and soft landing can be used for future materials research with special attention focused on the self-assembly of the landed ions.
Date:
December 2010
Creator:
Birdwell, David
System:
The UNT Digital Library
Surface Chemical Deposition of Advanced Electronic Materials
The focus of this work was to examine the direct plating of Cu on Ru diffusion barriers for use in interconnect technology and the substrate mediated growth of graphene on boron nitride for use in advanced electronic applications. The electrodeposition of Cu on Ru(0001) and polycrystalline substrates (with and without pretreatment in an iodine containing solution) has been studied by cyclic voltammetry (CV), current-time transient measurements (CTT), in situ electrochemical atomic force microscopy (EC-AFM), and X-ray photoelectron spectroscopy (XPS). The EC-AFM data show that at potentials near the OPD/UPD threshold, Cu crystallites exhibit pronounced growth anisotropy, with lateral dimensions greatly exceeding vertical dimensions. XPS measurements confirmed the presence and stability of adsorbed I on the Ru surface following pre-treatment in a KI/H2SO4 solution and following polarization to at least −200 mV vs. Ag/AgCl. CV data of samples pre-reduced in I-containing electrolyte exhibited a narrow Cu deposition peak in the overpotential region and a UPD peak. The kinetics of the electrodeposited Cu films was investigated by CTT measurements and applied to theoretical models of nucleation. The data indicated that a protective I adlayer may be deposited on an air-exposed Ru electrode as the oxide surface is electrochemically reduced, and that this …
Date:
December 2010
Creator:
Bjelkevig, Cameron
System:
The UNT Digital Library
The Effects of a Communication Training Workshop on the Verbal Behavior of Caregivers
This study evaluated the effectiveness of a workshop designed to train adults to use supportive verbal behavior during distressful situations. Participants were trained to provide descriptive, empathetic and hopeful statements using instructions, rationales, modeling, role-play, feedback, and rehearsal. A pre-post design was used to analyze the effects of the training on verbal and non-verbal behaviors of four females during simulation scenarios. Results indicate all four participants provided maximum support statements above pre-training levels during post-training simulation and written assessments.
Date:
August 2010
Creator:
Blell, Zainab D.
System:
The UNT Digital Library
Well-Being and Academic Success in Gifted College Students: Early-College Entrants and Honors College Students
As a society, we seek to have our young people, including the gifted, be healthy and happy, and go to good schools with good teachers. Framed by Sayler's theoretical model of giftedness and thriving, this study examined psychological constructs (i.e. general self-efficacy, theories of intelligence, hope, gratitude, religiosity, disposition, and resiliency) to determine their mediating effect on personal well-being and academic success in gifted college students. The 213 subjects for this study included gifted college students from two distinct programs at the University of North Texas. One hundred twenty-two participants were students from the Texas Academy of Mathematics and Science (TAMS). TAMS is an early-college entrance program allowing gifted students to enter college after their sophomore year of high school. Ninety-one participants attended the UNT Honors College. Honors College students are gifted students who enter college after high school graduation. Latent transition, latent class, general linear model repeated measures, and regression analyses were used in the examination of the data. Results of the study revealed that positive disposition and hope-agency were significantly related to the development of personal well-being for gifted students during their first year of college. The ability to identify pathways to goals and the self-theory of intelligence …
Date:
August 2010
Creator:
Boazman, Janette Kay
System:
The UNT Digital Library
This Creature, Bride of Christ
This Creature, Bride of Christ is a composition for soprano, alto flute, viola, marimba, and computer running custom software for live interactive performance in the Max/MSP environment. The work is a setting of excerpts from The Book of Margery Kempe, an early autobiographical manuscript depicting the life of a Christian mystic. The thesis discusses the historical, sociological, and musical context of the text and its musical setting; the use of borrowed materials from music of John Dunstable, Richard Wagner, and the tradition of change ringing; and the technologies used to realize the computer accompaniment. A score of the work is also included in the appendix.
Date:
May 2010
Creator:
Bober, Nicholas Bradburn
System:
The UNT Digital Library
Molecular systematics of Baird's pocket gopher (Geomys breviceps)
Baird's pocket gopher (Geomys breviceps) is found in eastern Texas, eastern Oklahoma, central and western Arkansas, and western Louisiana. The cytochrome-b gene was sequenced and analyzed for 16 pocket gophers from throughout the range of the species. Similar phylogenetic trees were obtained using maximum-parsimony, maximum-likelihood, neighbor-joining, and Bayesian analyses. Two major clades were formed with northern individuals belonging to clade I and southern individuals belonging to clade II. G. b. sagittalis was paraphyletic in relation to G. b. breviceps in all analyses. Based on inconsistencies between the taxonomic classification and systematic relationships within Baird's pocket gopher, a taxonomic restructuring appears warranted.
Date:
August 2010
Creator:
Bodine, Deanna Martinez
System:
The UNT Digital Library
Portraits: A Collection
This collection consists of a critical preface and five short stories. The preface analyzes what it terms 'fringe fiction,' or stories dealing with elements that are improbable or unusual, though not impossible, as it distinguishes this category from magical realism and offers guidelines for writing this kind of fiction. The short stories explore themes of attachment, loss, guilt, and hope. Collection includes the stories "Portrait," "Dress Up," "Change," "Drawn Onward, We Few, Drawn Onward," and "Broker."
Date:
May 2010
Creator:
Boswell, Timothy
System:
The UNT Digital Library
An Annotated Bibliography of Selected Music for Saxophone by Charles Ruggiero with an Analysis of Interplay for Soprano Saxophone and Piano
Ruggiero's contributions to contemporary music are noteworthy. They include 27 works written for solo instruments, voice, as well as chamber groups and large ensembles. This study serves as an annotated bibliography of selected works written for saxophone by Charles Ruggiero. They include a piece for large chamber ensemble, Dig: From Tunes My Grandmother Heard (2009), a trio for flute, clarinet, and alto saxophone titled Echoes of "Piano Red" (2006), two saxophone quartets, Dig: JSB 1 (2003), and Three Blues for Saxophone Quartet (1981), two works for alto saxophone and piano, Night Songs and Flights of Fancy (2005), and Strayhorn (1999-2000), one piece for soprano saxophone and piano, Interplay for Soprano Saxophone and Piano (1988), a single movement work for alto saxophone, piano, winds, and percussion, Dance Complusions (2004), one duo for tenor saxophone and percussion, Sizzlesax II (2001), one concerto for soprano saxophone and piano, Concerto for Soprano Saxophone and Orchestra (1995, rev. 1999), and a trio for violin, alto saxophone, and piano, Dances and Other Movements (1983, rev. 1984). In addition, an analysis of Ruggiero's composition Interplay for Soprano Saxophone and Piano offers an insight into the compositional style of the composer.
Date:
May 2010
Creator:
Bradfield, Ann
System:
The UNT Digital Library
The Relationship Between Body Dissatisfaction and Eating Disorder Symptomatology: An Examination of Moderating Variables
The purpose of this study was to examine whether Psychological Well-Being (comprised of self-esteem, optimism, satisfaction with life, and self-determination), perfectionism, body surveillance, and neuroticism moderated the relationship between body dissatisfaction and bulimic symptoms after controlling for social desirability and actual physical size. 847 female undergraduate students participated in the study. Participants completed an online questionnaire packet. An exploratory factor analysis determined that self-determination, optimism, self-esteem, and satisfaction with life loaded on to one factor representing Psychological Well-Being. Hierarchical moderated regression (HMR) was used to control for the influences of social desirability and body mass index on bulimic symptoms and then determine the main and interactive effects of body dissatisfaction and each moderator. Four variables (neuroticism, body surveillance, concern over mistakes, and doubts about actions) strengthened the relationship between body dissatisfaction and bulimic symptomatology, whereas Psychological Well-Being weakened the relationship. Parental expectations, parental criticism, and personal standards did not moderate the relationship between body dissatisfaction and bulimic symptomatology.
Date:
August 2010
Creator:
Brannan, Megan E.
System:
The UNT Digital Library
Southern Promise and Necessity: Texas, Regional Identity, and the National Woman Suffrage Movement, 1868-1920
This study offers a concentrated view of how a national movement developed networks from the grassroots up and how regional identity can influence national campaign strategies by examining the roles Texas and Texans played in the woman suffrage movement in the United States. The interest that multiple generations of national woman suffrage leaders showed in Texas, from Reconstruction through the ratification of the Nineteenth Amendment, provides new insights into the reciprocal nature of national movements. Increasingly, from 1868 to 1920, a bilateral flow of resources existed between national women's rights leaders and woman suffrage activists in Texas. Additionally, this study nationalizes the woman suffrage movement earlier than previously thought. Cross-regional woman suffrage activity has been marginalized by the belief that campaigning in the South did not exist or had not connected with the national associations until the 1890s. This closer examination provides a different view. Early woman's rights leaders aimed at a nationwide movement from the beginning. This national goal included the South, and woman suffrage interest soon spread to the region. One of the major factors in this relationship was that the primarily northeastern-based national leadership desperately needed southern support to aid in their larger goals. Texas' ability to …
Date:
August 2010
Creator:
Brannon-Wranosky, Jessica S.
System:
The UNT Digital Library
Music Career Opportunities and Career Compatibility: Interviews with University Music Faculty Members and Professional Musicians
This study used a semistructured interview schedule to identify the music career opportunities available to students who graduate with an undergraduate music degree, and the skills, interests, work values, and personal characteristics that may determine a person's suitability for these music careers. Six university faculty members from each of the 11 NASM-accredited undergraduate music degree fields participated in the study (n = 66). Fourteen professional musicians who were recommended by these faculty members also participated in the study. Concerning the musical and non-musical skills that may determine a person's suitability for a music career, participants consistently noted the importance of performance skills in their respective fields. Participants also consistently cited people skills, and noted that most musicians interact with people on a daily basis, and use people skills to build social networks that may lead to employment. When asked about the interests that may lead someone to a music career, participants commonly cited the importance of good high school ensemble experiences in students' music career decisions. Concerning the rewarding aspects of music careers, many participants noted that they were more rewarded by the ability to support themselves doing what they loved, than by fame or wealth. Concerning the personal characteristics …
Date:
May 2010
Creator:
Branscome, Eric E.
System:
The UNT Digital Library
Henderson Street Bazaar and Other Stories
The preface, "Against Buses: Charles Baxter and the Contemporary Epiphany" deals with the epiphany as a potential ending to short stories. Baxter holds that epiphanies are trite and without purpose in today's fiction. I argue that Baxter's view, while not without merit, is limiting. Beginning with James Joyce and Katherine Anne Porter and moving to my own work, I discuss how some epiphanies, particularly false ones, can enhance rather than detract from excellent fiction. Five short stories make up the remainder of this thesis: "Dedication," "Taking it with You," "Transition to Flowers," "Profile in Courage," and "Henderson Street Bazaar."
Date:
December 2010
Creator:
Briseño, J. Andrew
System:
The UNT Digital Library
Synthesis and Screening of a Combinatorial Peptide Library for Ligands to Target Transferrin: Miniaturizing the Library
Combinatorial libraries are used in the search for ligands that bind to target proteins. Fmoc solid-phase peptide synthesis is routinely used to generate such libraries. Microwave-assisted peptide synthesis was employed here to decrease reaction times by 80-90%. Two One-Bead-One-Compound combinatorial libraries were synthesized on 130μm beads (one containing 750 members and the other 16, 807). The use of smaller solid supports would have many important practical advantages including; increased library diversity per unit mass, smaller quantities of library needed to generate hits, and screening could be conducted by using a standard flow cytometer. To this end, a miniaturized peptide library was synthesized on 20 μm beads to demonstrate proof of principle. A small sample from the 16,807-member library was screened against transferrin-AlexaFluro 647, a protein responsible for iron transport in vivo. A number of hits were identified and sequenced using techniques coupling nanomanipulation with nanoelectrospray mass spectrometry.
Date:
August 2010
Creator:
Brown, Jennifer Marie
System:
The UNT Digital Library
An Exploration of the Relationship Between Principal Leadership Efficacy, Principal Computer Self-Efficacy, and Student Achievement
The purpose of this study was to examine whether or not relationships exist between principals' technology proficiency and student achievement as indicated by 2008 Texas Assessment of Knowledge and Skills (TAKS) ninth grade reading scaled scores. Secondly, the study examined whether or not relationships exist between principals' leadership self efficacy and student achievement as indicated in the 2008 Texas Assessment of Knowledge and Skills (TAKS) ninth grade reading scaled scores. Lastly, the select principal's personal and school demographic variables (principal gender, total years of experience as a professional, total years as principal at current school, total years of principal experience, highest degree earned, school economic status, school size) were considered within the study. The survey instruments used in this study were the Technology Proficiency Self Assessment Scale (TPSA) developed by Ropp in 2000 and the Principal's Self-Efficacy Scale (PSES) developed by Tschannen-Moran and Garies in 2004. A total of 129 Texas principal's participated in the study. Multiple regressions were utilized and effect size was considered to determine the strength of the relationship between variables. A statistical significance was found relating to the school's social economic status only when using both the PSES and the TPSA instruments. The effect sizes reported …
Date:
May 2010
Creator:
Brown, Shelia
System:
The UNT Digital Library
Easter Seals North Texas Autism Treatment Program Evaluation: Child Progress
This study reports and evaluates child outcome measures at a non-profit autism treatment program providing applied behavior analysis (ABA) based services to children age 3 to 8. To accomplish this, a review was conducted of available outcome data for a 1 year period. Several categories of outcome measures have been reported in the autism treatment literature (post-intervention educational placement, cognitive status, developmental and achievement status and/or progress, autism symptom reduction, and diagnostic reclassification). This study found that the program relied on 2 sources of data to evaluate child outcome: Hawaii Early Learning Profile® and program goal mastery. Children are making progress as indicated by these measures. The findings are discussed in relation to broader outcome recommendations.
Date:
May 2010
Creator:
Brunson, Lashanna Yvette
System:
The UNT Digital Library
A Performance Guide for Pearls I and Pearls II by Roland Szentpali
This dissertation is a performance guide for the euphonium solos Pearls I and Pearls II, written by Roland Szentpali. This performance guide allows performers to better understand the jazz styles within each movement and provides them with a resource for performing these particular pieces as well as other jazz influenced pieces. This performance guide is specific to euphonium repertoire and written for euphonium performers and educators. This is also a resource for a solo work in the repertoire that is performed regularly as well as a new work that will soon be published. A brief history of the development of euphonium repertoire and the influence of jazz is provided. The performance guide analyzes each movement and provides insight to extended techniques, common performance problems, errata, and jazz styles that each movement is based on. The guide also provides several suggestions for interpretation and for performance preparation. Illustrations from the scores have been provided for each example.
Date:
May 2010
Creator:
Buckley, Christopher
System:
The UNT Digital Library
Rediscovering Fernande Decruck's Sonate en ut# pour saxophone alto (ou alto) et orchestre: A Performance Analysis
French composer Fernande Decruck (1896-1954) composed over forty works for the saxophone, but her music fell into obscurity soon after her death. In recent years, the Sonate en ut# pour saxophone alto (ou alto) et orchestre (1943) has been rediscovered, performed, and recorded by prominent concert saxophonists. This document takes a historical approach by examining Decruck's biography, as well as a theoretical approach to provide a deeper understanding and appreciation of her work through analysis. The first four chapters of this document provide biographical background on Decruck, her career, professional associations, and her husband, Maurice Decruck, saxophonist and music publisher. Additionally, an examination of her saxophone output includes a brief discussion of her compositional development. Fernande Decruck dedicated her sonata to French saxophone virtuoso Marcel Mule, but a version for solo viola also exists. From the discrepancies between the versions, one might infer that portions of the work were composed originally for the viola. There are also two versions of the accompaniment: one for full orchestra and the other for piano. Analysis comprises the bulk of this study. The work is composed in a traditional four-movement setting: a sonata-form opening movement, a slow second movement, a movement entitled "Fileuse" (spinning …
Date:
May 2010
Creator:
Cain, Joren
System:
The UNT Digital Library
Metabolic Engineering of Raffinose-Family Oligosaccharides in the Phloem Reveals Alterations in Patterns of Carbon Partitioning and Enhances Resistance to Green Peach Aphid
Phloem transport is along hydrostatic pressure gradients generated by differences in solute concentration between source and sink tissues. Numerous species accumulate raffinose-family oligosaccharides (RFOs) in the phloem of mature leaves to accentuate the pressure gradient between source and sinks. In this study, metabolic engineering was used to generate RFOs at the inception of the translocation stream of Arabidopsis thaliana, which transports predominantly sucrose. To do this, three genes, GALACTINOL SYNTHASE, RAFFINOSE SYNTHASE and STACHYOSE SYNTHASE, were expressed from promoters specific to the companion cells of minor veins. Two transgenic lines homozygous for all three genes (GRS63 and GRS47) were selected for further analysis. Sugars were extracted and quantified by high performance anion exchange chromatography with pulsed amperometric detection (HPAEC-PAD), and 21-day old plants of both lines had levels of galactinol, raffinose, and stachyose approaching 50% of total soluble sugar. All three exotic sugars were also identified in phloem exudates from excised leaves of transgenic plants whereas levels were negligible in exudates from wild type leaves. Differences in starch accumulation or degradation between wild type and GRS63 and GRS47 lines were not observed. Similarly, there were no differences in vegetative growth between wild type and engineered plants, but engineered plants flowered …
Date:
August 2010
Creator:
Cao, Te
System:
The UNT Digital Library
Understanding Quality of Life in Older Adults
I analyzed the 2004 and 2006 Health and Retirement Study data to test structural equation models of the quality of life (QOL) construct. The participants (N = 1352) were non-institutionalized individuals aged 42 and older (M = 65.70, SD = 10.88), with an average education of 12.73 years (SD = 2.96) and of varied ethnicities. The results indicated that physical functioning, affective experience, life satisfaction and social support could serve as indicators for a second order QOL factor. Furthermore, the developed QOL model explained 96% of the variance of the CASP-19 (Control, Autonomy, Self-realization and Pleasure), a QOL measure that reflects fulfillment of psychological needs. The results also indicated that Depression and Life Satisfaction are related through reciprocal causation and that Physical Functioning is more likely to cause a change in Depression than the reverse. The results suggest that QOL is a complex, multidimensional concept that should be studied at different levels of analysis.
Date:
May 2010
Creator:
Cardona, Laura A.
System:
The UNT Digital Library
Child-Parent Relationship Therapy (CPRT) with Adoptive Families: Effects on Child Behavior, Parent-Child Relationship Stress, and Parental Empathy
This randomized controlled study is a preliminary investigation on the effects of Child-Parent Relationship Therapy (CPRT) with 61 adoptive parents. The participants in this study identified themselves as the following: 54 European American, 3 Black American, 3 Hispanic/Latino, and 1 individual who chose not to indicate ethnicity. The study included 23 couples and 15 individual mothers. The CPRT is a structured, time limited approach that trains caregivers to be an active participant as a therapeutic change agent in their child's life. Results from a two (group) by two (measures) split plot ANOVA indicated that adoptive parents who participated in 10 weeks of CPRT reported statistically significant decreases in child behavior problems and parent child-relationship stress. Statistically significant increases in parent empathy were also reported by raters blinded to the study. CPRT demonstrated a medium to large treatment effect on reducing children's behavior problems and parent-child relationship stress. In addition, CPRT demonstrated a large treatment effect on increasing parental empathy. The results of the study provide preliminary support for CPRT as a responsive intervention for adoptive parents and their children.
Date:
May 2010
Creator:
Carnes-Holt, Kara
System:
The UNT Digital Library