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14,619
UNT Theses and Dissertations
5,328
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2,036
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1,422
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1,142
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1,055
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635
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411
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20,703 Matching Results
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Effects of a Technology Enriched Learning Environment on Student Development of Higher Order Thinking Skills
The problem for this study was to enhance the development of higher order thinking skills and improve attitudes toward computers for fifth and sixth grade students. The purpose of this study was to determine the impact of a Technology Enriched Classroom on student development of higher order thinking skills and student attitudes toward the computer. A sample of 80 sixth grade and 86 fifth grade students was tested using the Ross Test of Higher Cognitive Processes. The Ross Test was selected because of its stated purpose to judge the effectiveness of curricula or instructional methodology designed to teach the higher-order thinking skills of analysis, synthesis and evaluation as defined by Bloom. The test consisted of 105 items grouped into seven subsections. In addition, the students were surveyed using the Computer Attitude Questionnaire developed by the Texas Center for Educational Technology. The questionnaire assessed sixty-five questions combined to measure eight attitudes.
Date:
May 1998
Creator:
Hopson, Michael H. (Michael Hugh)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Design of a Monitoring System for a Plasma Cleaning Machine
Plasma cleaning is the most effective dry process to remove surface contaminates from a SAW (Surface Acoustical Wave) device. Consistent gas pressures, flows, and good electrical connections between the chamber shelves are necessary for the process to function predictably. In addition, operation of the monitoring system must be transparent to the plasma cleaning unit. This thesis describes a simple solution to the complex problem of monitoring a plasma cleaning system. The monitoring system uses the LabVIEW® G programming language and hardware, both products of National Instruments, Inc.®, to monitor critical parameters necessary to achieve a consistent process when cleaning these devices.
Date:
May 1999
Creator:
Fooks, Terry M. (Terry Max)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Standing in the Gap: Subposts, Minor Posts, and Picket Stations and the Pacification of the Texas Frontier, 1866-1886
This dissertation describes the various military outposts on the Texas frontier between 1866 and 1886. It is arranged geographically, with each chapter covering a major fort or geographical area and the smaller posts associated with it. Official military records and government reports serve as the primary sources of data. In 1866 when the United States Army returned to the defense of Texas after four years of civil war, the state's frontier lay open to depredations from several Indian tribes and from lawless elements in Mexico. The army responded to those attacks by establishing several lines of major forts to protect the various danger areas of the frontier. To extend its control and protection to remote, vulnerable, or strategically important points within its jurisdiction, each major fort established outposts. Two main categories of outposts existed in Texas, subposts and picket stations. Subposts served as permanent scouting camps or guarded strategic points or lines of communication. Picket stations protected outlying locations, such as stage stations, that were particularly vulnerable to attack. Because Indians raiding in Texas usually operated in fairly small groups, garrisons at outposts were similarly small. Company-sized detachments generally garrisoned subposts, and picket stations seldom held more than a dozen …
Date:
May 1995
Creator:
Uglow, Loyd M. (Loyd Michael)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A Case Study of Interpersonal Influences in a Band Music Setting: Bohumil Makovsky (1878-1950) and His Association with Selected Individuals Involved in Instrumental Music in the State of Oklahoma
The purpose of this study was to investigate the interpersonal influences which Bohumil Makovsky, Director of Bands and Chairman of the Music Department at Oklahoma A&M College from 1915 to 1943, had on his students and peers, as confirmed through the perceptions of selected individuals, and to determine what personal characteristics and means he drew upon to induce changes in his students and peers.
Date:
May 1992
Creator:
Dugger, Richard Charles
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Dramatic Expression in Thirty Musical Settings of Goethe's "Der Erlkonig"
This study is an investigation of the dramatic expression in thirty musical settings of Goethe's "Erlkonig," to attempt to determine why the works by Franz Schubert and Carl Loewe have achieved such popularity.
Date:
May 1973
Creator:
McDaniel, Mary Eileen
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Job Satisfaction Among Women Accounting Educators
A national survey was conducted to investigate job satisfaction among women accounting educators at four-year college and universities in the United States. The purpose of the study was to determine if differences existed among women accounting educators at research, doctoral, master's, and baccalaureate institutions in three areas relating to job satisfaction: levels of job satisfaction, individual sources of job satisfaction, and structural sources of job satisfaction. Also, the relationships among these three areas of job satisfaction were examined. A stratified random sample of 755 women accounting educators was selected from the population of 1,519 women. A mailed questionnaire was used to collect data. A total of 495 (66%) questionnaires were returned. Women accounting educators expressed satisfaction with co-workers, supervision, and work. They were neutral regarding satisfaction with pay and dissatisfied with promotion opportunities. A difference was detected between satisfaction with pay and type of institution. Differences were found between individual sources of job satisfaction and type of institution. The differences were attributable to education level and the personality characteristics of conscientiousness and openness. Differences were detected between structural sources of job satisfaction and type of institution. Academic rank, salary, tenure, institutional resources, and job functions accounted for the differences. Significant …
Date:
May 1996
Creator:
Vest, Cynthia Ann
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Harmonic and Contrapuntal Techniques in the Late Keyboard Works of Cesar Franck
This study examines the five late keyboard works of Cesar Franck: the Prelude, Chorale, and Fugue and the Prelude. Aria, and Finale for piano, and the three organ chorales. The study focuses on harmonic and contrapuntal techniques and their interrelationships, placing the discussion in the context of an analysis of the whole piece. The primary goal is to identify the salient characteristics of each piece; a secondary goal is to identify common harmonic and contrapuntal aspects of Franck's style.
Date:
May 1992
Creator:
Cranford, Dennis R. (Dennis Ray)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Autophosphorylation and Autoactivation of an S6/H4 Kinase Isolated From Human Placenta
A number of protein kinases have been shown to undergo autophosphorylation, but few have demonstrated a coordinate increase or decrease in enzymatic activity as a result. Described here is a novel S6 kinase isolated from human placenta which autoactivates through autophosphorylation in vitro. This S6/H4 kinase, purified in an inactive state, was shown to be a protein of Mr of 60,000 as estimated by SDS-PAGE and could catalyze the phosphorylation of the synthetic peptide S6-21, the histone H4, and myelin basic protein. Mild digestion of the inactive S6/H4 kinase with trypsin was necessary, but not sufficient, to activate the kinase fully
Date:
May 1994
Creator:
Dennis, Patrick B. (Patrick Brian)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A Descriptive Study of Student Assistance Programs in the State of Texas
The purpose of this study is to examine the four basic student assistance models and determine their distribution in Texas, describe the student assistance programs in place in public school districts in Texas including the program's goals, objectives and components, and explore the perceived effectiveness of student assistance programs as a viable means of drug and alcohol education for students enrolled in public school districts in Texas in kindergarten through twelfth grade.
Date:
May 1995
Creator:
Wright, Marilyn D. (Marilyn Diane)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Library CD-ROM LAN Performance and Patron Use: a Computer Simulation Model
In this study, a computer simulation model for library CD-ROM LAN systems was created. Using this model, the system optimization problems were examined. The simulation model imitated the process of the actual decision variables changing their values and generated the corresponding results. Under a certain system environment, if the values of decision variables are changing, the system performances are getting changed also. This study investigated these relationships with the created model. The system users' interarrival time, service time, and other relevant data were collected on randomly selected days in a university library. For data collection, both of the observation and the system automatic metering software were used. According to the collected data, a discrete events simulation model was created with GPSS/H. The simulation model was proven valid and accurate by a pilot test and by the calculation with queuing theory. Statistical tests were used for data comparison and analysis. In addition, animation technique was used to show the simulation process by using Proof Animation. By this technique, the simulation process was monitored on the screen.
Date:
May 1996
Creator:
Xia, Hong
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
π-regular Rings
The dissertation focuses on the structure of π-regular (regular) rings.
Date:
May 1993
Creator:
Badawi, Ayman R.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A Process Analysis of Lenders' Use of FAS 95 Cash Flow Information
This study uses concurrent verbal protocol analysis to examine the decision processes of lenders as they evaluate the financial information of a loan applicant. Of specific interest is the lenders' use of Statement of Financial Accounting Standards Board No. 95 (FAS 95), Statement of Cash Flows, in that decision process.
Date:
May 1994
Creator:
Reither, Cheri L. (Cheri Lynn)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A Study of Factors of Creativity in Three Selected Fields of Study
The purposes of the study are to identify factors of creativity which have been revealed in the fields of personality and cognitive theory, art education, and science, and to formulate a base for a theory of creativity.
Date:
May 1973
Creator:
Schutz, Edward E.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Critical Thinking Skills Related to Pre-Clinical Medical School Course Examinations
The major purpose of this study was to determine if pre-clinical medical school course examinations reflect critical thinking skills. The entire second year class from a medical school in the southwest made up the population. Student examination results from the first two years as well as scores on the Watson-Glaser Critical Thinking Appraisal were used in this study.
Date:
May 1992
Creator:
Miller, Deborah Ann, 1952-
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Roy Harris' American Symphony - 1938: A Perspective on Its Historical Significance and Autogenetic Elements With a Performance of a Reconstructed Modern Wind Ensemble Edition
American composer Roy Harris began writing a symphony for the Tommy Dorsey band in 1938, but the piece was never completed. This dissertation project chronicles the events surrounding the interesting collaboration between the composer and the bandleader, including problems incurred during the rehearsal process, the eventual abandonment of the project, and the discovery of the little-known band work. The paper includes information on the composer's life and works, an in-depth discussion of the compositional technique that Harris called “autogenesis,” and a detailed analysis of the two surviving movements of the band piece. The piece is also discussed comparatively with other significant works in Harris' symphonic genre, most notably his Folksong Symphony, also known as his Fourth Symphony. A significant portion of the research and preparation for the project was spent reconstructing a modern wind ensemble edition of the two surviving movements. A complete score of the reconstructed edition is included as part of this project.
Date:
May 2001
Creator:
Lamb, Brian
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Correspondence Between Aquatic Ecoregions and the Distribution of Fish Communities of Eastern Oklahoma
I assessed fish community data collected by the Oklahoma Conservation Commission from 82 minimally impaired wadeable reference streams in eastern Oklahoma to determine whether existing aquatic ecoregions provide the best framework for spatial classification for the development of biological assessment methods and biocriteria. I used indirect ordination and classification to identify groups of sites that support similar fish communities. Although correspondence was observed between fish assemblages and three montane ecoregions, the classification system must be refined and expanded to include major drainage basins and physical habitat attributes for some areas to adequately partition variance in key measures of biological integrity. Results from canonical correspondence analysis indicated that substrate size and habitat type were the primary physical habitat variables that influenced the fish species composition and community structure.
Date:
May 2001
Creator:
Howell, Charles E.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
University Students and the Internet: Information Seeking Study
This study explored university students' information needs and seeking behaviors on the Internet. A Web-based survey was administrated one time. Two hundred responses were received from the target sample within the two weeks period of the study. Data were analyzed with descriptive statistics, factor analysis, and graphical representation. The study explored various issues related to the usability, preferences, and activities of the Internet, such as searching tools, e-mail, search engines, and preferred primary sources of everyday-life information needs. The study explored the perceptions of the students toward the Internet and the traditional library. Kuhlthau's model of the information-seeking process, which includes six stages and affective components, was utilized and modified in the construction of the Web survey. A study by Presno (1998), which includes the four types of Internet anxiety, was utilized in the construction of the Web survey. With regard to the six stages of Kuhlthau model, the majority of the respondents experienced stage 5, which was about information gathering; stage 3 had the next highest number of respondents. Very few respondents experienced stages 1 and 2. There was a systematic pattern in which, the earlier the stages the respondents were in, the more negative adjectives they selected, and …
Date:
May 2001
Creator:
Shamo, Esmaeel
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Rio Grande Expedition, 1863-1865
In October 1863 the United States Army's Rio Grande Expedition left New Orleans, bound for the Texas coast. Reacting to the recent French occupation of Mexico, President Abraham Lincoln believed that the presence of U.S. troops in Texas would dissuade the French from intervening in the American Civil War. The first major objective of this campaign was Brownsville, Texas, a port city on the lower Rio Grande. Its capture would not only serve as a warning to the French in Mexico; it would also disrupt a lucrative Confederate cotton trade across the border. The expedition had a mixed record of achievement. It succeeded in disrupting the cotton trade, but not stopping it. Federal forces installed a military governor, Andrew J. Hamilton, in Brownsville, but his authority extended only to the occupied part of Texas, a strip of land along the coast of the Gulf of Mexico. The campaign also created considerable fear among Confederate soldiers and civilians that the ravages of civil war had now come to the Lone Star State. Although short-lived, the panic generated by the Rio Grande Expedition left an indelible mark on the memories of Texans who lived through the campaign. The expedition achieved its greatest …
Date:
May 2001
Creator:
Townsend, Stephen A.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
African-American Senior Administrators of Colleges and Universities in American Higher Education: Identification of Characteristics in Their Career Progression
This study identified and compared characteristics in the career progression of African-American college presidents of institutions in the continental United States. The study was concerned with personal, educational and professional characteristics of these senior level administrators. From a population of 141 individuals, 73 presidents participated in this study. Frequencies, means, percentages, chi-square, crosstabulations and analysis of variance (ANOVA) were employed in the analysis of data. The level of significance was set at 0.05.
Date:
May 1992
Creator:
Marbury, R. Kevin (Robert Kevin)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Evolution of Vacancy Supersaturations in MeV Si Implanted Silicon
High-energy Si implantation into silicon creates a net defect distribution that is characterized by an excess of interstitials near the projected range and a simultaneous excess of vacancies closer to the surface. This defect distribution is due to the spatial separation between the distributions of interstitials and vacancies created by the forward momentum transferred from the implanted ion to the lattice atom. This dissertation investigates the evolution of the near-surface vacancy excess in MeV Si-implanted silicon both during implantation and post-implant annealing. Although previous investigations have identified a vacancy excess in MeV-implanted silicon, the investigations presented in this dissertation are unique in that they are designed to correlate the free-vacancy supersaturation with the vacancies in clusters. Free-vacancy (and interstitial) supersaturations were measured with Sb (B) dopant diffusion markers. Vacancies in clusters were profiled by Au labeling; a new technique based on the observation that Au atoms trap in the presence of open-volume defects. The experiments described in this dissertation are also unique in that they were designed to isolate the deep interstitial excess from interacting with the much shallower vacancy excess during post-implant thermal processing.
Date:
May 1999
Creator:
Venezia, Vincent C.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Introduction of Self-Manage Work Teams at a Brownfield Site: a Study of Organization-Based Self-Esteem and Performance
This empirical study is aimed at understanding the patterns of relationships among the organization structure of self-managed work teams in terms of three sets of constructs: 1. organization-based self-esteem; 2. consequent behaviors of intrinsic work motivation, general job satisfaction, organization citizenship, and organization commitment; and 3. performance. The primary significance of this study is that it adds to the pool of empirical knowledge in the field of self-managed work team research. The significance of this study to practicing managers is that it can help them make better-informed decisions on the use of the self-managed work team structure. This study was a sample survey composed of five standardized questionnaires using a five-point Likert-type scale, open-ended questions, and demographic questions. Unstructured interviews supplemented the structured survey and for means of triangulation of results. The variables were analyzed using regression analysis for the purpose of path analysis. The site was a manufacturing plant structured around self-managed work teams. The population was full-time, first-line production employees.
Date:
May 1994
Creator:
Borycki, Christine
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Prediction of Aggressive and Socially Disruptive Behavior among Forensic Patients: a Validation of the Psychopathy Checklist Screening Version
Psychopathic criminals commit more crimes, are more prone to recidivism, and more likely to engage in violent crimes and other aggressive behavior than nonpsychopathic criminals. Less is known about forensic patients, both with and without psychopathy, and their aggression. In the current study, patients in a maximum security hospital were examined with respect to their psychopathy and its predictive value on institutional management and dangerousness. In this regard, the Psychopathy Checklist (PCL) and the Psychopathy Checklist - Revised (PCL-R) have proven to be valid and reliable measures of psychopathy. The present study was an attempt to establish predictive validity for a new version: the Psychopathy Checklist Screening Version (PCLSV). As such, this study examined the PCL-SV's relationship to (a) diagnoses of Antisocial Personality Disorder according to DSM-III-R criteria and (b) the Personality Assessment Inventory (PAI) Aggression, Drug Problems, and Antisocial Features scales. The influence of major Axis I disorders on the assessment of psychopathy with the PCLSV was also examined. Participants were 150 male forensic psychiatric patients at Vernon State Hospital who were committed for various reasons: incompetence to stand trial, initial evaluation and treatment after having been found not guilty by reason of insanity, and manifest dangerousness. Chart reviews …
Date:
May 1997
Creator:
Hill, Christie D.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Enzyme Assays Using Earthworms for Assessing Innate and Nonspecific Immunotoxicity of Xenobiotics
Principal objectives of my research were to: (1) report for the first time that coelomocytes are able to reduce NBT dye and confirm the presence of lysozyme-like activity in earthworm; (2) develop a standard methodology for determination of NBT reduction and lysozyme-like activity in earthworms; (3) compare NBT reduction and lysozyme-like activity in earthworms with those of murine and human cells and fluids; and (4) demonstrate the sensitivity of earthworm NBT reduction and lysozyme-like activity as the assays using matrics in refuse-derived fuel fly ash (RDFF) and CuSO4.
Date:
May 1992
Creator:
Chen, Shing-Chong
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Guilt and Shame as They Relate to Combat Posttraumatic Stress Disorder (PTSD): An Analysis of Trauma Content And Resulting Symptomatology
This study began testing the Sewell and Williams (in press) model that differing trauma types yield differing presentations in social versus event processing domains. Other hypotheses explored trauma type with levels of guilt, and shame-proneness with anxiety. Volunteers were 44 male combat veterans being treated for PTSD. Data analyses determined whether trauma type related to guilt and perceived social support and whether shame-proneness related to levels of anxiety. High shame persons may process anxiety and social support differently than low shame persons. Results can assist professionals understand how a person's functioning is affected by certain types of trauma. Future research should focus on increasing social support for persons who have experienced trauma.
Date:
May 2001
Creator:
Taber, Iris
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library