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(4+2)-Cycloaddition Reactions of Ketenes; Pyranones
This study deals with the (4+2)-cycloaddition reactions of 4-π electron compounds with ketenes. Chloroketenes were generated in situ from the corresponding chlorinated acid chlorides in the presence of the ketenophiles. Chloro-, dichloro- and diphenylketenes reacted with 1-methoxy-3-trimethylsiloxy-l,3-butadiene, and 2,4-bis(trimethylsiloxy)-1,3-pentadiene to yield the corresponding dihydropyrans. The dihydropyrans yielded substituted 4-pyranones on hydrolysis.
Date:
August 1983
Creator:
Agho, Michael O. (Michael Osarenogowu)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
"The '91 Roos"
The ‘91 Roos is a sports documentary focused in Killeen, Texas. exploring the 1991 Killeen Kangaroos high school football team and their journey to their city's one and only state championship in football. Killeen is a small central Texas town that is directly adjacent and provides support to Ft Hood, one of the world's largest military bases. With the Persian Gulf War raging in 1991, soldiers that lived in Killeen were being sent off to fight, leaving the city almost like a ghost town. In October 1991, the Luby's Massacre occurred in Killeen, bringing the already depleted city further down by tragedy. At the time, this was the worst mass shooting in US history. This high school football team went on a fairy tale type of run during their 1991 season, resulting in winning a state title and bringing big hope back to a small town in need. Using direct interviews, narration and archival footage, this film provides an emotional yet inspirational look at a small town football team and their improbable season.
Date:
August 2022
Creator:
Graham, Derwin Anthony
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The 1896 Vienna Tonkünstler-verein Competition: the Three Award-winning Works and Seven Anonymous Submissions with Clarinet
The Vienna Tonkünstler-Verein (1885-1929) was established for the sole purpose of providing extensive support to the music and musicians of Vienna. The society became renowned in Vienna for its outstanding performances of chamber music and counted among its members many of the city’s foremost musicians and composers. Johannes Brahms had a significant influence on the society as its honorary president and assisted in establishing its composition competitions, aimed at promoting and reviving under-developed chamber genres. Of particular interest to clarinetists is the Verein’s competition of 1896, which aspired to promote chamber music literature for wind instruments. Brahms’s recently completed chamber works for clarinet were clearly influential in fin-de-siècle Vienna; for of the twelve works chosen as finalists in the competition, ten included the clarinet in the chamber combination.The purpose of this document is to provide an English-language history of the Vienna Tonkünstler-Verein and a thorough account of its1896 competition based on my study of the society’s annual reports. In addition, this document will provide the first published account of the anonymous submissions for the 1896 competition. It is my hope that this paper will serve as a springboard for future endeavors aimed at uncovering the identities of the anonymous finalists …
Date:
August 2014
Creator:
Harrell, Andrea
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The 1948 States' Rights Democratic Movement in Texas
The purpose of this paper is to examine, from a local perspective, the reaction of the southern conservative wing of the Democratic party to the liberal changes which occurred in that organization as a result of the transitional decades of the 1930s and 1940s. In particular, the study focuses on the growing sense of alienation and the eventual withdrawal of a handful of Texas Democrats from affiliation with the national body and their subsequent realignment with other dissident Dixie Democrats in the short-lived States' Rights party of 1948. This work is based essentially on the personal recollections of Texans who participated in the States' Rights movement and on those papers of the party's leaders which have survived until today.
Date:
August 1979
Creator:
Griffin, James P.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The 1986 National Endowment for the Arts Commission: An Introspective Analysis of Two Marimba Works
The marimba is rapidly achieving greater importance as a solo percussion instrument. Solo compositions for the marimba have been commissioned and performed only in the last sixty years. The 1986 National Endowment for the Arts Solo Marimba Commission is considered one of the most important commissioning projects in the history of marimba literature. Two compositions created through this project, Velocities by Joseph Schwantner and Reflections on the Nature of Water by Jacob Druckman have become two of the most influential works in contemporary marimba music. This thesis will focus on a historical perspective of the project, as well as theoretical aspects and performance issues related to these two compositions. The National Endowment for the Arts (NEA) issued a consortium commissioning grant through the Percussive Arts Society (PAS) in 1986 to three internationally renowned marimbists, William Moersch, Leigh Howard Stevens and Gordon Stout. Three Pulitzer Prize winners were brought together to compose three new works for the marimba. The resulting pieces were: Reflections on the Nature of Water by Jacob Druckman, Velocities by Joseph Schwantner, and Islands from Archipelago: Autumn Island by Roger Reynolds. A brief history of the classical concert marimba and the development of solo marimba literature is provided …
Date:
August 2005
Creator:
Fang, I-Jen
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
2D and 3D Fabrication Devices: Can They Improve Spatial Reasoning Skills in Children?
The purpose of this study is to evaluate the potential benefit of two hours of activities involving 2D and 3D fabricators on the spatial reasoning skills of children in Grades 4 and 5, ages 9 to 10, from a private school in Southeast Texas. Can the introduction to hands-on activities with products created with these devices and learning about how these devices operate improve spatial reasoning skills? The research also evaluates the use of the Shapes Test as a valid measure of the spatial reasoning skills of children. The Cube Design and Spatial Memory subtests of the UNIT (Universal Nonverbal Intelligence Tests) were used for evaluating the spatial reasoning skills of the participants, based on their respected validity, along with a Shapes Test that is in development. Discussion regarding gender, language, and experiential theories of spatial reasoning skill development are included in the literature review.
Date:
August 2016
Creator:
Zimmerman, Ellen L
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
3Dhotbed
Presented at the 2017 Code4Lib South Central Conference. This presentation provides an overview of the 3Dhobed project, including the process of 3D scanning, modeling, and printing hand moulds for book history instruction.
Date:
August 11, 2017
Creator:
Jacobs, Courtney E.; McIntosh, Marcia & O'Sullivan, Kevin
Object Type:
Presentation
System:
The UNT Digital Library
The a Cappella Choral Music of Benjamin Britten
The twentieth century has witnessed a renaissance in the composition of choral music. Not since the Baroque, has choral writing held the prominent position with composers that it has today. At the same time, English composers have regained a stature and influence they have not held since the time of Purcell. It was not until the time of Edward Elgar, Gustave Holst, and Ralph Vaughn-Williams that English music began to recover from the decline of the nineteenth century. Benjamin Britten has played a large role in both the choral renaissance and the recovery of English music.
Date:
August 1963
Creator:
Corse, Larry B.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
D. A. Kolb’s Theory of Experiential Learning: Implications for the Development of Music Theory Instructional Material
This research project evaluates the effectiveness of specific music theory instructional strategies in terms of D. A. Kolb’s theory of experiential learning and Kolb’s typology of individual learning style. The project provides an original methodology for the adaptation of music theory instructional material to the individual learning style types described in Kolb’s typology. The study compares the relative effectiveness of two music theory instructional sequences, one of which is adapted for all of the learning style modalities described in Kolb’s typology, and the other adapted for only a limited number of Kolb’s learning style types. In order to compare the potential “learning outcomes” produced by these instructional sequences, a detailed study is proposed, in which computer based instruction (CBI) will deliver the instructional sequences to research participants and electronically record the participants’ responses. The current study demonstrates the effective aspects of the original methodology and suggests methods for the successful adaptation of music theory instructional material to individual student learning styles.
Date:
August 2001
Creator:
Lively, Michael
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Aaron Copland's Concerto for Clarinet: A Lecture Recital, Together with Three Recitals of Music by Mozart, Rossini, Schumann, Brahms, and Contemporary European and American Composers
The dissertation consists of four recitals: one chamber music recital, two solo recitals, and one lecture recital. The repertoire of these programs was chosen with the intention of demonstrating the capability of the performer to deal with problems arising in works of varying types and of different historical periods. The lecture recital, Aaron Copland's Concerto for Clarinet, begins with biographical information, followed by a discussion of various other works of the composer and of important stylistic traits that are contained therein. After thus setting the Concerto in perspective to other major works, an investigation is made into various aspects of form and style which make the Concerto atypical in some respects to the composer t total body of works. Particular emphasis is given to rhythmic and melodic characteristics of the piece which are related to jazz and Latin-American popular music. The formal and stylistic analysis is followed by a discussion of problems involved in performing the Concerto with a piano reduction of the orchestral part, and the lecture concludes with a survey of interpretative problems posed by the work. At the conclusion of the lecture portion of the presentation, the Concerto was performed.
Date:
August 1971
Creator:
Bullock, Bruce Lloyd
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Aaron Copland's Piano fantasy, a lecture recital, together with three recitals of selected works
The lecture recital was given June 20, 1977, Copland's treatment of the fantasy concept was discussed along with compositional techniques used in the Piano Fantasy. The Piano Fantasy was performed.
Date:
August 1977
Creator:
Rickman, Michael Lee
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Aaron Copland's Symphonic Use of Brass Instruments
Traditions in orchestration can be described by relating the practices of most of the important composers of a particular time. This was done with great success by two composers of the nineteenth century, Hector Berlioz and Nicolai Rimsky-Korsakov, in their books on orchestration. These texts are the basis for the traditional uses of brass instruments appearing in the chapter.
Date:
August 1965
Creator:
Hasty, Patrick R. (Patrick Robert)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Ab Initio and Density Functional Investigation of the Conformer Manifold of Melatonin and a Proposal for a Simple Dft-based Diagnostic for Nondynamical Correlation
In this work we address two problems in computational chemistry relevant to biomolecular modeling. In the first project, we consider the conformer space of melatonin as a a representative example of “real-life” flexible biomolecules. Geometries for all 52 unique conformers are optimized using spin-component scaled MP2, and then relative energies are obtained at the CCSD (T) level near the complete basis set limit. These are then used to validate a variety of DFT methods with and without empirical dispersion corrections, as well as some lower-level ab initio methods. Basis set convergence is found to be relatively slow due to internal C-H…O and C-H…N contacts. Absent dispersion corrections, many DFT functionals will transpose the two lowest conformers. Dispersion corrections resolve the problem for most functionals. Double hybrids yield particularly good performance, as does MP2.5. In the second project, we propose a simple DFT-based diagnostic for nondynamical correlation effects. Aλ= (1-TAE [ΧλC]/TAE[XC])/λ where TAE is the total atomization energy, XC the “pure” DFT exchange-correlation functional, and ΧλC the corresponding hybrid with 100λ% HF-type exchange. The diagnostic is a good predictor for sensitivity of energetics to the level of theory, unlike most of the wavefunction-based diagnostics. For GGA functionals, Aλ values approaching unity …
Date:
August 2013
Creator:
Fogueri, Uma
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Ability Grouping in Secondary English
This thesis discusses the pros and cons of grouping by ability in secondary English.
Date:
August 1952
Creator:
Harris, Steva Whitehead
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Ability of Offenders with Psychopathic Traits to Simulate Cognitive and Affective Empathy
The accurate assessment of psychopathy constitutes a critical component of forensic assessments addressing offender populations. Among the core characteristics of psychopathy, the interpersonal component of deception and empathic deficits are prominently observed in offenders with psychopathic traits. Given the negative consequences of being classified as a psychopath, offenders may be likely to minimize their psychopathic traits. In particular, no research has investigated whether offenders with psychopathic traits are able to simulate empathy in an effort to mask their cognitive or affective empathy deficits (e.g., lack of remorse about offenses). The present study aims to contribute to the literature with regard to the simulation of empathy. Using a mixed between- and within-subjects design, 81 male detainees were placed into (a) a low psychopathy group, (b) a moderate psychopathy group, or (c) a high psychopathy group based on the Psychopathy Checklist – Revised. For the within-subjects component, all offenders answered empathy questionnaires under genuine and simulation conditions. Results indicate the sample possessed cognitive empathy, but did not display affective empathy under genuine instructions. Under simulation instructions, participants significantly increased their scores on several empathy measures. The implications of simulated empathy and comparisons between groups regarding simulation abilities are discussed.
Date:
August 2013
Creator:
Robinson, Emily V.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Absalom, Absalom! A Study of Structure
The conclusion drawn from this study is that the arrangement of material in Absalom, Absalom! is unified and purposeful. The structure evokes that despair that is the common denominator of mankind. It reveals both the bond between men and the separation of men; and though some of the most dramatic episodes in the novel picture the union of men in brotherly love, most of the material and certainly the arrangement of the material emphasize the estrangement of men. In addition, by juxtaposing chapters, each separated from the others by its own structural and thematic qualities, Faulkner places a burden of interpretation on the reader suggestive of the burden of despair that overwhelms the protagonists of the novel.
Date:
August 1973
Creator:
Major, Sylvia Beth Bigby
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Abstract Vector Spaces and Certain Related Systems
The purpose of this paper is to make a detailed study of vector spaces and a certain vector-like system.
Date:
August 1961
Creator:
Goddard, Alton Ray
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Abuse of Confidence as a Major Theme in the Novels of Henry James
All of the aforementioned factors--love, money, the abuse of confidence, the guilt growing out of it, the response of the victim--contribute to the moral view constantly evolving towards an ultimate statement in the three novels of James's maturity. This thesis will attempt to explicate in full that statement. For James's theme of abuse of confidence, together with all of its elements, was in itself only the vehicle of a finely attuned moral awareness.
Date:
August 1966
Creator:
Sullenberger, T. E.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Academic Achievement Among Language-Impaired Children as a Function of Intensive Preschool Language Intervention
Parents and professionals are concerned about the long-term effects of language problems on later academic, communicative and behavioral functioning of children. The purpose of this study was to examine the relationship of level of language impairment with type of class placement, reading achievement, and social emotional functioning. Subjects were 19 children, aged 4 years, 10 months through 10 years, 4 months, who had previously been enrolled in a preschool language development program. Statistical analyses were performed on data from the Kaufman Assessment Battery for Children (K-ABC), Test of Early Reading Ability (TERA), and the Achenbach Child Behavior Checklist (CBC). Results do not support a relationship between level of language impairment and academic or social/emotional functioning.
Date:
August 1990
Creator:
McCormack, Sarah (Sarah Smith)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Academic Achievement and the Ability of Post-Secondary Students to Read Assigned Materials
This study provides a rationale for adopting course materials. It demonstrates the relationship between ability to read assigned materials and academic achievement, and that selection of materials creates two groups having different probabilities of success. The sample was selected from a population of all students enrolled in Principles of Economics courses at North Texas State University in the spring semester of 1986. The Nelson-Denny Reading Test was used to determine reading ability. Assigned materials were analyzed for readability. A frustration level was determined and used to divide the sample: the group of interest, those with reading abilities below the frustration level who underwent the treatment of reading materials written above their ability to comprehend; and the comparison group, those with reading abilities above the frustration level who did not undergo the treatment.
Date:
August 1987
Creator:
Cohick, Mikel William
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Academic Achievement: Effects of Congruency, Consistency, Differentiation, and Modal Personality Types
This investigation explored relationships between four determinants of first-semester undergraduate academic achievement derived from Holland's (1973) theory of vocational development. Groups of 438 male and 468 female students completed the Strong-Campbell Interest Inventory and were categorized in terms of congruency, consistency, differentiation, and modal personality type. Undergraduates with congruent college-major choices enjoyed greater academic success than students with incongruent choices. Students with high- and low-consistency personal orientation codes outperformed students with moderately consistent codes. Freshman with clearly differentiated personality profiles outperformed students with nondifferentiated profiles. The order of mean gradepoint averages for the modal personality types was not significantly correlated with Holland's predicted ordering.
Date:
August 1977
Creator:
Reuterfors, David Lawrence
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Academic Achievement: Examining the Impact of Community Type at a Small Liberal Arts College in Texas
Hierarchical regression was used to determine if high school community type is an effective predictor of academic success when controlling for demographics, prior academic achievement, socioeconomic status, and current commitment or work habits for students entering Austin College in 1992,1993, and 1994 . Findings revealed that there is a relationship between attending high school in community types of rural and independent town controlling for the effects of SAT scores, high school rank, sex, and late application deposit on first semester grade point average.
Date:
August 1995
Creator:
Rutherford, Janis Pruitt
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Academic Achievement of National Social Fraternity Pledges Compared to Non-Fraternity Students
This study examined the academic achievement of national social fraternity pledges compared to non-fraternity students at the University of Texas at Arlington. It was done to determine whether significant differences existed between the grade point averages of pledges of social fraternities and those of students who did not pledge a social fraternity, and to determine whether significant differences existed among fraternities when compared with each other with respect to academic achievement. This study was meant to provide a research design that could be used by other colleges and universities with fraternities to conduct the same comparison of academic performance. In the fall semester of 1989, 164 pledges were selected as the population for the study to be matched with non-fraternity students based on Scholastic Aptitude Test (SAT) scores, age, sex, classification, academic major, and number of hours attempted. A T-test of like groups was performed on the entire population with no significant difference found at the .05 level between all the fraternity pledges and all the matched pairs. A T-test of like groups was performed on the pledges from each separate organization and there was a significant difference among three of the fraternities. Two of the fraternities had significantly higher …
Date:
August 1990
Creator:
Gardner, Kent Lee
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Academic, Behavioral, and Social Competency Characteristics of Non-Handicapped, Learning Disabled, and Emotionally/Behaviorally Disordered Adjudicated Juveniles
The juvenile justice system is society's response to juvenile misconduct. In spite of numerous federal, state, and local programs, the problem of juvenile delinquency persists. An increasing number of juveniles are being taken into custody and placed in institutional settings. Although juvenile delinquents share a number of common general characteristics (e.g., sex, minority, lower socioeconomic status, a history of school failure), they are not a homogeneous group. Effective educational interventions with delinquent juveniles can meet their unique academic, vocational, and social skills deficits. Handicapped juveniles are disproportionately represented among juvenile correctional facility populations. The identification of handicapped juveniles among delinquent populations is compounded as they share many of the same general characteristics. Federal statutes require individualized educational programs for all handicapped juveniles. This research investigated academic, behavioral, and social competencies of non-handicapped and handicapped adjudicated youth. Specifically, this investigation assessed measures of academic performance, classroom behavior, self-esteem, and social behavior. ANOVA indicated statistically significant differences between non-handicapped, learning disabled, and emotionally/behaviorally disordered adjudicated juveniles in reading achievement, mathematics achievement, and teacher generated measures of classroom behavior.
Date:
August 1990
Creator:
Campbell, Robert E. (Robert Eugene)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library