342 Matching Results

Search Results

Critical factors in successful Texas middle schools 1993-1995

Description: An examination of the characteristics of Texas middle schools was conducted with the objective of developing a planning tool for middle staffs. This success is measured by the Academic excellence Indicator System (AEIS), whose rating scale has three components: campus scores on the Texas Assessment of Basic Skills (TAAS), campus attendance percentages, and campus dropout rates. TAAS scores and attendance rates have been the focus of this study.
Date: August 1997
Creator: Antoine, Terry W.
Partner: UNT Libraries

Substitution chemistry of Ruthenium clusters with the diphosphine ligands: 4,5-Bis(diphenylphosphino)-4-cyclo-penten-1,3-dione (bpcd), (Z)-Ph₂PCH=CHPP₂ and 3,4-Bis(diphenylphosphino)-5-methoxy-2(5H)-furanone (bmf)

Description: This study embarks on a program designed to study the reactivity of polynuclear clusters with redox-active phospines in an effort to prepare new ligand/cluster redox systems. This study aims to prove that such compounds will display superior electron reservoir capabilities, as a result of the cooperative mixing of ligand and cluster orbitals.
Date: May 1997
Creator: Shen, Huafeng
Partner: UNT Libraries

The Gulf Cooperation Council, 1981-1994

Description: The purpose of this study is to analyze the foreign policy outcomes of the Gulf Cooperation Council (GCC) to understand the extent to which a Regional Intergovernmental Organization (RGO) consisting of developing nations is able to promote regional cooperation. Much of the literature on integration and the formation of Intergovernmental Organizations was developed with regard to western nations. These approaches are examined for their contributions to foreign policy behavior analysis and with respect to understanding why small and developing nations join such organizations.
Date: December 1997
Creator: Thackwray, Elizabeth C.
Partner: UNT Libraries

Admissions committee ratings as predictors of persistence in master's-level theological education

Description: This study attempted to answer the specific research question: Can the Admissions Committee Rating (ACR) of Dallas Theological Seminary be used to predict persistence in the Master of Theology program at Dallas Seminary? Concurrently, can the component parts of the ACR predict persistence more effectively then the total ACR itself, and what association, if any, do extraneous demographic variables have with persistence?
Date: December 1997
Creator: Thames, James H.
Partner: UNT Libraries

The songs of Giacomo Puccini: an analytical study of his style and self-borrowing

Description: The songs of Puccini provide another approach to understanding the composer's musical development. The objective of the study is twofold; first to provide a discussion of the musical style of Puccini's songs; and second, to show how Puccini utilized and integrated the preexistent material into the operas.
Date: August 1997
Creator: Kim, Soo Hong
Partner: UNT Libraries

Theobald Boehm and the history of the alto flute including the facsimile edition of his arrangement of Beethoven's Largo from the Concerto for piano, op. 15, no. 1 for alto flute and piano (c. 1858) : with three recitals of selected works by Griffes, Telemann, Bartók, Jolivet, Gaubert, and others

Description: An historical perspective of Theobald Boehm (1794-1881) and his design of the modern alto flute. Chapters I and II discuss the development of design, playing technique and repertoire of the ancestors of the modern alto flute beginning with the Renaissance consorts detailed in the treatises of Agricola, Praetorius and Mersenne, through the Baroque flute d'amour and its use in the music of J.S. Bach, to Boehm's alto flute design (c.1855) and its use in early twentieth-century orchestral and chamber repertoire such as Stravinsky's Le Sacre Du Printemps (1911), ending with specific aspects of contemporary alto flute design and manufacture since 1950, including the innovations of Dutch flutemaker Eva Kingma.
Date: May 1997
Creator: Redcay, Andrea
Partner: UNT Libraries

Richmond Matteson: euphonium innovator, teacher and performer, with three recitals of selected works by Frescobaldi, Bach, Saint-Saëns, Hutchinson, White and others

Description: An examination is conducted of the life, career, and musical styles of Richard Matteson, an influential jazz euphonium and tuba performer of the twentieth century. The study includes a brief history of the euphoniums role in concert bands. A description of Matteson's background as a musician and clinician including education, influences and career changes are also discussed.
Date: August 1997
Creator: Dickman, Marc
Partner: UNT Libraries

Analysis of the re-orchestrations of Robert Schumann's four symphonies employed by Felix Weingartner: with four recitals of selected works by Schumann, Beethoven, Tchaikovsky, Poulenc, Bizet, Rossini, and Chabrier

Description: An analysis of re-orchestrations of Robert Schumann's four symphonies employed by conductor Felix Weingartner (1863-1942). The text includes a brief history of Schumann's orchestral writing career and an overview of Weingartner's life as a conductor. The bulk of the dissertation discusses actual changes suggested by Weingartner (with score examples). Patterns of modifications are identified and discussed as they relate to historically entrenched problems perceived with Schumann's originally employed practices of orchestration. The analysis focuses on overall patterns of alteration imposed by Weingartner and their perceived effectiveness in achieving a noticeably improved aural outcome.
Date: August 1997
Creator: Cummings, Ronn (Ronn Thomas)
Partner: UNT Libraries

An analysis of the attempted amalgamation of western and Chinese musical elements in Huang Anlun's Piano concerto in G minor, opus 25B, a lecture recital, together with three recitals of selected works by Bach, Beethoven, Chopin, Liszt, Mozart, Schubert and Schumann

Description: While China possesses one of the world's richest musical heritages, it remained unaffected by Western music until early in this century. Subsequently there was a movement of nationalism in music approximately three decades after the introduction of Western music. This movement, aimed at utilizing the Western compositional techniques to create musical works that still would be uniquely Chinese, continues even today.
Date: August 1997
Creator: Pei, Yushu
Partner: UNT Libraries

Using ordering theory to establish student knowledge levels

Description: The problem under investigation in this research is the development of a general approach that will establish a students knowledge level so that the student's learning can be optimized by beginning it at the most effective point.
Date: August 1997
Creator: Byers, Celina
Partner: UNT Libraries

A Delphi Study to Determine if SCANS Workplace Know-How Can Be Developed through the Achievement of National Standards for [Visual] Arts Education

Description: The purpose of this study was to provide a basis for understanding among Tech Prep and School-to-Work change agents, and educational leaders, of the role that Discipline-Based Art Education (DBAE) can perform as a part of the core curriculum, within the framework of these reform movements. The literature indicated that the federally supported Tech Prep and School-to-Work reform movements were not acquainted with DBAE reform initiative which were supported by the Getty Education Institute for the Arts through the work of Regional Institutes. Therefore, they had no ideas about the possible worth of art as an education core component. Also, DBAE was not acquainted with Tech Prep and School-to-Work and therefore had established no common terminology to communicate the power of what they do in a manner which was relevant to that audience. The DBAE Regional Institutes provided individuals to assist in the development and validation of the study tools, and to participate in the pilot study. The Regional Institutes also identified the 10 Discipline-Based Art Education experts who composed the national Delphi panel for the study. The findings were reported according to research questions. They show the national Delphi panels' perceptions of which SCANS skills can be developed by Content Standards and Performance Standards from the National Standards for [Visual] Arts Education. The study concluded that: 1) there is a relationship between the Content and Performance Standards taken from the National Standards for [Visual] Arts Education and the SCANS skills; 2) SCANS Basic skills, Thinking skills, Resources skills, Information skills and Systems skills could be developed through the achievement of the Performance Standards of the National Standards for [Visual] Arts Education; and 3) the relationship between the SCANS Workplace Know-How skills and the National Standards for [Visual] Art Education was validated by a national Delphi panel. Recommendations were made ...
Date: August 1997
Creator: Crews, Jan, 1959-
Partner: UNT Libraries

Museum Educator as Advocate for the Visitor: Organizing the Texas Fashion Collection's 25th Anniversary Exhibition Suiting the Modern Woman

Description: Suiting the Modern Woman documented the evolution of women's power dressing in the 20th century by featuring four major components: thirteen period suit silhouettes, the power suits of twenty-eight influential and successful high profile Texas women, a look at the career and creations of Dallas designer, Richard Brooks, who created the professional wardrobe for former Texas Governor Ann Richards, and a media room which showcased images of working women in television and movie clips, advertisements, cartoons, and fashion guidebooks. The exhibition served as an application for contemporary museum education theory. Acting as both the exhibition coordinator and educator provided an opportunity to develop interpretative strategies and create a meaningful visitor experience.
Date: August 1997
Creator: Utz, Laura Lee
Partner: UNT Libraries

Short Stories Based on the Poetry of E. E. Cummings

Description: Short stories written by a student in the UNT Honors College that are based upon poems written by E. E. Cummings that deal with love, loss, sex, and death.
Date: Spring 1997
Creator: Radcliff, Stephen M.
Partner: UNT Honors College

Distribution of a Novel Gram Negative, Capsule-Forming Bacterium

Description: A novel Gram negative, capsule-forming bacterium was previously isolated in Dr. G. Roland Vela's laboratory. The distribution of this bacterium in soils from various locations was investigated. Soil samples from 188 locations around the world were examined. Isolates of the bacterium were obtained from 50 of these soils, with 48 of the isolates found in soils from the southwestern United States and northern Mexico. This suggests that this region is the natural habitat of the bacterium. The other two isolates were obtained from Madrid, Spain and Taipei, Taiwan. None were found in soils from South America or Australia. A lack of variation in morphology and physiological properties in the isolates suggests that a homogeneous population exists, even from widespread geographical locations.
Date: December 1997
Creator: Hughes, Roxana Bejarano
Partner: UNT Libraries

The Distribution of Environmental Contaminants: a Socio-Historical Study of Selected Neighborhoods in Dallas County, Texas

Description: This research expands on recent sociological studies which maintain that environmental contaminants in America are disproportionately placed in neighborhoods inhabited by minorities and the poor. Prior studies have focused on the predictor variables which identify areas of contamination near residential neighborhoods, yet fail to explore the socio-political and historical factors which contribute to these phenomena. The Environmental Protection Agency's Toxic Release Inventory 1990 database, the Texas Natural Resource Conservation Commission's Annual Report of the Hazardous and Solid Waste Program for 1992, and the U.S. Census Bureau's 1990 Census Data for Dallas County were utilized in pinpointing industries violating toxic release standards. Socio-historical data was obtained from government and historical records and reports, books, and newspaper clippings on Dallas County. Maps and data were obtained from the North Central Texas Council of Governments, and the cities of Dallas and Garland. Chapter I discusses the synergetic forces of capitalism, urban growth, uneven development, and settlement patterns resulting in the distribution of environmental contaminants. Chapter II reviews the literature and presents evidence that race and class are strong predictors of where environmental contaminants are located. Chapter III outlines the data and methods employed. Chapter IV traces the historical development of Dallas County. Chapter V details those political, economic, and social factors contributing to the convergence of people and contaminants within three selected neighborhoods. The forces which historically relegate minorities, particularly Blacks and Hispanics, and the poor to less desirable jobs, cheaper housing, and land costs are also explored. Cheap land and labor attract industry which, in turn, attracts more laborers. Chapter VI, the summary and conclusions, utilizes the socio-spatial approach in examining urban infrastructure development (i.e. roads and railways) which also reduces adjacent land costs making housing more affordable for minorities and the poor. This study concludes that because of historical development and ...
Date: December 1997
Creator: Cutrer, Jennifer G.
Partner: UNT Libraries

Evaluation of Text-Based and Image-Based Representations for Moving Image Documents

Description: Document representation is a fundamental concept in information retrieval (IR), and has been relied upon in textual IR systems since the advent of library catalogs. The reliance upon text-based representations of stored information has been perpetuated in conventional systems for the retrieval of moving images as well. Although newer systems have added image-based representations of moving image documents as aids to retrieval, there has been little research examining how humans interpret these different types of representations. Such basic research has the potential to inform IR system designers about how best to aid users of their systems in retrieving moving images. One key requirement for the effective use of document representations in either textual or image form is thedegree to which these representations are congruent with the original documents. A measure of congruence is the degree to which human responses to representations are similar to responses produced by the document being represented. The aim of this study was to develop a model for the representation of moving images based upon human judgements of representativeness. The study measured the degree of congruence between moving image documents and their representations, both text and image based, in a non-retrieval environment with and without task constraints. Multidimensional scaling (MDS) was used to examine the dimensional dispersions of human judgements for the full moving images and their representations.
Date: August 1997
Creator: Goodrum, Abby A. (Abby Ann)
Partner: UNT Libraries

Virtual Reality for Scientific Visualization: an Exploratory Analysis of Presentation Methods

Description: Humans are very effective at evaluating information visually. Scientific visualization is concerned with the process of presenting complex data in visual form to exploit this capability. A large array of tools is currently available for visual presentation. This research attempts to evaluate the effectiveness of three different presentation models that could be used for scientific visualization. The presentation models studied were, two-dimensional perspective rendering, field sequential stereoscopic three dimensional rendering and immersive virtual reality rendering. A large section of a three dimensional sub surface seismic survey was modeled as four-dimensional data by including a value for seismic reflectivity at each point in the survey. An artificial structure was randomly inserted into this data model and subjects were asked to locate and identify the structures. A group of seventeen volunteers from the University of Houston student body served as subjects for the study. Detection time, discrimination time and discrimination accuracy were recorded. The results showed large inter subject variation in presentation model preference. In addition the data suggest a possible gender effect. Female subjects had better overall performance on the task as well as better task acquisition.
Date: August 1997
Creator: Hetsel, Gene A. (Gene Arthur)
Partner: UNT Libraries

Remote Sensing of Landscape-Level Ecological Attributes at Ray Roberts Lake in North Texas

Description: Biological diversity is a key component in assessing ecosystem health. Alteration, degradation and loss of habitat due to human influence is currently the primary stressor resulting in decreases in diversity. Reliable assessment of large areas in terms of biological integrity are needed for conservation and preservation efforts. Remotely sensed data provide an integrated view of reflected electromagnetic energy over large areas of the earth. These energy patterns provide unique spectral signatures which can be correlated to land cover and habitat. This research sought relationships between traditional ecological measures and information gathered from satellite digital imagery. Reliable interpretation of earth surface characteristics relies largely on accurate rectification to a map projection and subsequent thematic classification. Use of the Global Positioning System (GPS) for rectification was superior than digitizing topographical maps. Differentially corrected GPS locations provided optimum rectification with SPOT satellite imagery while marginally better rectifications were obtained for Landsat MSS imagery using uncorrected GPS positions. SPOT imagery provided more accurate land cover classifications than did MSS. Detection of temporal land cover change using MSS imagery was hampered by confusion among intermediate successional classes. Confusion between upland and bottomland forest classes occurred with both SPOT and MSS. Landscape analyses using thematic maps produced from the previously discussed endeavors suggested that terrestrial habitat in the Ray Roberts Lake area became more fragmented and complex in shape. Habitat patches became smaller but more numerous. Forested areas were most effected and conservation efforts should focus on management strategies that promote vegetation succession and forest maturation. Remotely sensed SPOT data were successfully used to predict tree basal area. There were no significant relationships found with other in situ measures or between MSS data and any vegetation measures. Remote sensing provided information suitable for large scale projects concerning landscape-level ecological issues. Rectification and classification accuracies were the ...
Date: December 1997
Creator: Smith, David P. (David Paul), 1956-
Partner: UNT Libraries

Into the Woods: Wilderness Imagery as Representation of Spiritual and Emotional Transition in Medieval Literature

Description: Wilderness landscape, a setting common in Romantic literature and painting, is generally overlooked in the art of the Middle Ages. While the medieval garden and the city are well mapped, the medieval wilderness remains relatively trackless. Yet the use of setting to represent interior experience may be traced back to the Neo-Platonic use of space and movement to define spiritual development. Separating themselves as far as possible from the material world, such writers as Origen and Plotinus avoided use of representational detail in their spatial models; however, both the visual artists and the authors who adopted the Neo-Platonic paradigm, elaborated their emotional spaces with the details of the classical locus amoenus and of the exegetical desert, while retaining the philosophical concern with spiritual transition. Analysis of wilderness as an image for spiritual and emotional transition in medieval literature and art relates the texts to an iconographic tradition which, along with motifs of city and garden, provides a spatial representation of interior progress, as the medieval dialectic process provides a paradigm for intellectual resolution. Such an analysis relates the motif to the core of medieval intellectual experience, and further suggests significant connections between medieval and modern narratives in regard to the representation of interior experience. The Divine Comedy and related Continental texts employ both classical and exegetical sources in the representation of psychological transition and spiritual conversion. Similar techniques are also apparent in English texts such as Beowulf and the Anglo-Saxon elegies, in Geoffrey Chaucer's The Book of the Duchess, The House of Fame, and Troilus and Criseyde, and in the northern English The Pearl and Sir Gawain and the Green Knight. These literary texts, further, include both ideas and techniques which are analogous to those of visual arts, where frescos and altarpieces show the wilderness as metaphor for transition, and ...
Date: August 1997
Creator: Sholty, Janet Poindexter
Partner: UNT Libraries

Structure, Energetics and Reactions of Bisketenes: An Ab Initio and Density Functional Theory Study

Description: The effect of varying substituents on structure and energies of bisketenes was studied using ab initio methods. Effect of substituents on ring closing reaction of bisketenes to the corresponding cyclobutenediones was also studied using ab initio methods. One or two of the following substituents were used to study the effect of varying substituents: BH2, CH3, NH2, OH, F, AlH2, SiH3, PH2, SH, Cl. Studies were done at the Hartree-Fock (HF), Møller-Plesset (MP2), and Density Functional Theory (B3LYP) levels of theory using the 6-31G* basis set.
Date: December 1997
Creator: Palmer, Prem
Partner: UNT Libraries

Nonlinear optical properties of atomic vapor and semiconductors

Description: This thesis contains the study of highly forbidden resonant second harmonic generation (SHG) in atomic potassium vapor using tunable picosecond pulses. Various output characteristics of vapor SHG have been investigated including the input intensity dependence, potassium vapor density dependence, buffer gas pressure dependence, and spatial profile. Recently, the discovery of new nonlinear optical crystals such as barium borate ({beta}-BaB{sub 2}O{sub 4}, BBO) and lithium borate (LiB{sub 3}O{sub 5}, LBO) has greatly improved the performance of a tunable coherent optical devices based on optical parametric generation and amplification. In the second part of this thesis, a homebuilt picosecond optical parametric generator/amplifier (OPG/OPA) system is described in detail, including its construction details and output characteristics. This laser device has found many useful applications in spectroscopic studies including surface nonlinear optical spectroscopy via sum-frequency generation (SFG). The last part of this thesis reports studies on multiphoton-excited photoluminescence from porous silicon and GaN. Multiphoton excitation and photoluminescence can give numerous complementary information about semiconductors not obtainable with one-photon, above-bandgap excitation.
Date: June 1, 1997
Creator: Kim, D.
Partner: UNT Libraries Government Documents Department