UNT Theses and Dissertations - 5,559 Matching Results

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Smoothing the information seeking path: Removing representational obstacles in the middle-school digital library.

Description: Middle school student's interaction within a digital library is explored. Issues of interface features used, obstacles encountered, search strategies and search techniques used, and representation obstacles are examined. A mechanism for evaluating user's descriptors is tested and effects of augmenting the system's resource descriptions with these descriptors on retrieval is explored. Transaction log data analysis (TLA) was used, with external corroborating achievement data provided by teachers.… more
Date: May 2002
Creator: Abbas, June M.
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Partner: UNT Libraries
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Bayesian Probabilistic Reasoning Applied to Mathematical Epidemiology for Predictive Spatiotemporal Analysis of Infectious Diseases

Description: Abstract Probabilistic reasoning under uncertainty suits well to analysis of disease dynamics. The stochastic nature of disease progression is modeled by applying the principles of Bayesian learning. Bayesian learning predicts the disease progression, including prevalence and incidence, for a geographic region and demographic composition. Public health resources, prioritized by the order of risk levels of the population, will efficiently minimize the disease spread and curtail the epidemic at … more
Date: May 2006
Creator: Abbas, Kaja Moinudeen
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Synthesis of the Personal and the Political in the Works of May Stevens

Description: This thesis is an investigation of the way in which the painter May Stevens (b. 1924) synthesizes her personal experiences and political philosophy to form complex and enduring works of art. Primary data was accumulated through an extended interview with May Stevens and by examining her works on exhibit in New York and Boston. An analysis of selected works from her "Big Daddy" and "Ordinary/Extraordinary" series revealed how her personal feelings about her own family became entwined with larger… more
Date: May 1998
Creator: Abbott, Janet Gail
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Biodiversity of Dragonflies and Damselflies (Odonata) of the South-Central Nearctic and Adjacent Neotropical Biotic Provinces

Description: The south-central United States serves as an important biogeographical link and dispersal corridor between Nearctic and Neotropical elements of western hemisphere odonate faunas. Its species are reasonably well known because of substantial collections, but there has been no concerted effort to document the extent of biodiversity and possible geographic affinities of dragonflies and damselflies of this region. The recent discoveries of Argia leonorae Garrison, Gomphus gonzalezi Dunkle and Erpeto… more
Date: May 1999
Creator: Abbott, John C.
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Partner: UNT Libraries
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The Effect of Average Grain Size on Polycrystalline Diamond Films

Description: The work function of hydrogen-terminated, polycrystalline diamond was studied using ultraviolet photoelectron spectroscopy. Polycrystalline diamond films were deposited onto molybdenum substrates by electrophoresis for grain sizes ranging from 0.3 to 108 microns. The work function and electron affinity were measured using 21.2 eV photons from a helium plasma source. The films were characterized by x-ray photoelectron spectroscopy to determine elemental composition and the sp2/sp3 carbon fractio… more
Date: May 2002
Creator: Abbott, Patrick Roland
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Partner: UNT Libraries
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An Investigation of the Management Accounting Framework for Performance Evaluation in American Multinational Enterprises

Description: The development of adequate performance evaluation techniques for appraising foreign subsidiaries and their managers in an environment different from their domestic ones has been suggested as an area where management accounting should be extended. This study concerned the performance evaluation of foreign subsidiary managers with the following objectives: (1) to examine the relationships among environmental factors and foreign subsidiary performance, (2) to develop a multinational enterprise (M… more
Date: May 1982
Creator: Abdallah, Wagdy M. (Wagdy Moustafa)
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Partner: UNT Libraries
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Interfacial Characterization of Chemical Vapor Deposition (Cvd) Grown Graphene and Electrodeposited Bismuth on Ruthenium Surface

Description: Graphene receives enormous attention owing to its distinctive physical and chemical prosperities. Growing and transferring graphene to different substrates have been investigated. The graphene growing on the copper substrate has an advantage of low solubility of carbon on the copper which allow us to grow mostly monolayer graphene. Graphene sheet of few centimeters can be transferred to 300nm silicon oxide and quartz crystal pre-deposited with metal like Cu and Ru. Characterization of the gra… more
Date: May 2014
Creator: Abdelghani, Jafar
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Derivation of the Thematic Material and Intervallic Gestures From the Main Theme in Fantasia Carioca By Sérgio Assad

Description: The quantity of classical guitar literature reached a new peak late in the twentieth century with many famous guitarists publishing their own works for solo classical guitar. This increase in the published guitar literature resulted in a decline of the relative analytical discussions of contemporary guitar works. Sérgio Assad is a perfect example of an active guitarist/composer whose works are frequently performed in guitar recitals and yet very little discussion has been provided attempting to… more
Date: May 2013
Creator: Abdihodži?, Armin
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Field Validation of Zero Energy Lab Water-to-Water Ground Coupled Heat Pump Model

Description: Heat pumps are a vital part of each building for their role in keeping the space conditioned for the occupant. This study focuses on developing a model for the ground-source heat pump at the Zero Energy lab at the University of North Texas, and finding the minimum data required for generating the model. The literature includes many models with different approaches to determine the performance of the heat pump. Each method has its pros and cons. In this research the equation-fit method was used … more
Date: May 2016
Creator: Abdulameer, Saif
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Partner: UNT Libraries
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Saudi Male Athletes' Experience Using Mental Skills and Attitudes toward Seeking Psychological Assistance in Sport

Description: The primary aim of this research was to assess Saudi Arabian male athletes' attitudes toward seeking sport psychology services and determine their previous experience using mental skills. As a part of the study, an Arabic version of the Sport Psychology Attitudes – Revised form (SPA-R) was developed. Transcultural translation procedures (e.g., back translation) were used to translate the SPA-R into Arabic version. Saudi male athletes (N = 222) ranging from 17 to 25 years of age with various ind… more
Date: May 2022
Creator: Abdulshakur, Alhassan
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Jacques-Antoine-Hippolyte, comte de Guibert: Father of the Grande Armée

Description: The eighteenth century was a time of intense upheaval in France. The death of Louis XIV in 1715 and the subsequent reign of Louis XV saw the end of French political and martial hegemony on the continent. While French culture and language remained dominant in Europe, Louis XV's disinterested rule and military stagnation led to the disastrous defeat of the French army at the hands of Frederick the Great of Prussia in the Seven Years War (1756-1763). The battle of Rossbach marked the nadir of th… more
Date: May 2011
Creator: Abel, Jonathan, 1985-
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Conglomerate Performance as Influenced by Selected Management Practices

Description: The latest surge of corporate mergers has been characterized by a steadily increasing rate of conglomerate combinations. It would appear that one of the prime motivating factors in conglomerate merger is a firm belief in the principle of "synergism," or the mutually cooperating action of separate substances taken together to produce an effect greater than that of any component taken alone. It would also appear that in such instances wherein there is no direct relationship in regard to raw mater… more
Date: May 1973
Creator: Ablowich, Edgar Allen, 1913-
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Source Apportionment Analysis of Measured Volatile Organic Compounds in Corpus Christi, Texas

Description: Corpus Christi among of the largest industrialized coastal urban areas in Texas. The strategic location of the city along the Gulf of Mexico allows for many important industries and an international business to be located. The cluster of industries and businesses in the region contribute to the air pollution from emissions that are harmful to the environment and to the people living in and visiting the area. Volatile organic compounds (VOC) constitute an important class of pollutants measured i… more
Date: May 2014
Creator: Abood, Ahmed T.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Development of a Cost Effective Wireless Sensor System for Indoor Air Quality Monitoring Applications

Description: Poor air quality can greatly affect the public health. Research studies indicate that indoor air can be more polluted than the outdoor air. An indoor air quality monitoring system will help to create an awareness of the quality of air inside which will eventually help in improving it. The objective of this research is to develop a low cost wireless sensor system for indoor air quality monitoring. The major cost reduction of the system is achieved by using low priced sensors. Interface circuits … more
Date: May 2014
Creator: Abraham, Sherin
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Students' Attitudes toward Educational Gamification in Online Learning Environments

Description: This study explored undergraduate and graduate students' attitudes toward the pleasurability of educational gamification in online learning environments. The study is a sequential explanatory mixed-methods research that investigated students' attitudes quantitatively, then qualitatively. In the quantitative phase, an online survey, the Pleasurable Learning Experiences scale (PLLEXs), was administrated at one of the largest public southwestern universities in the U.S. (N = 119). The qualitative … more
Date: May 2019
Creator: Abu Dawood, Sumayah Mohammadlutfi
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Exploratory Analysis of Social E-health Behavior

Description: Extant literature has documented well that people seek health information via the internet as patients and consumers. Much less, however, is known about interaction and creation behaviors in the development of new online health information and knowledge. More specifically, generalizable sociodemographic data on who engages in this online health behavior via social media is lacking in the sociological literature. The term “social e-health” is introduced to emphasize the difference between seekin… more
Date: May 2014
Creator: Acadia, Spencer
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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A Study to Determine the Relationship of Versatile Behavior to Individual Demographics, Job Characteristics, Organizational Climate Performance Feedback and Job Satisfaction

Description: The behavioral characteristics of leaders have been subjects of study for centuries. The scope of these studies has grown to encompass task analysis, follower needs and situational requirements. Current leadership theories consistently recognize the need for a successful leader to adjust behavior to meet the needs of the task, followers and situation. The problem of this research is to define this ability to modify one's behavior, measure it and test its relationship to demographic and job char… more
Date: May 1988
Creator: Ackerman, Raymond L. (Ramond Lorens)
Item Type: Refine your search to only Thesis or Dissertation
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An Analysis of Perceptions of Teacher Effectiveness

Description: The study was designed to determine and compare the perceptions of various groups with regard to the most and the last important characteristics and behaviors of effective teachers. The population for the study included (a) four groups of high school graduates selected at five year intervals beginning with 1980, (b) four groups of high school dropouts selected from the same five year intervals, (c) high school teachers, (d) high school principals and central office administrators, and (f) teach… more
Date: May 1983
Creator: Adams, Byrtie Baker
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Contingency Contracting Effects on Psychotherapy Attendance and Termination at Two Community Mental Health Centers

Description: Contingency management has been utilized to improve treatment compliance and attendance in a medical setting. A related question involves the effect of contingency management on attendance in outpatient psychotherapy. Sixty-nine individuals ranging in age from 8 to 50 years agreed to participate in such a study. These individuals agreed to sign a contract specifying consequation for failure to notify the centers 24 hours in advance of an impending absence. Data on attendance and notification of… more
Date: May 1981
Creator: Adams, Joe B. (Joe Bayless), 1949-
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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The Relationship Between Supplemental Instruction Leader Learning Style and Study Session Design

Description: The purpose of this qualitative study was to examine the learning styles of supplemental instruction leaders at a large, public university during the fall 2010 semester and determine whether or not their personal learning styles influenced the way they designed and developed out-of-class study sessions. The total population of supplemental instruction leaders was 37, of which 24 were eligible to participate in the study. Of the 24 eligible supplemental instruction leaders, 20 completed the en… more
Date: May 2011
Creator: Adams, Joshua
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Adolescent Self-Theories of Singing Ability within the Choral Hierarchy

Description: The purpose of this study was to explore adolescent self-views of singing ability through both implicit theories and self-concept meaning systems. A secondary purpose of this study was to examine these self-views specifically in the context of a choral hierarchy. Using a researcher-designed survey instrument, I gathered data from middle- and high-school students currently enrolled in a choir program organized in a hierarchical structure. I analyzed descriptive statistics of survey responses to … more
Date: May 2020
Creator: Adams, Kari
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Partner: UNT Libraries
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Gradient-Index Metamaterial Infrared Detector for Enhanced Photo-Response and Image Quality

Description: An enhanced thermal imaging concept made possible through the development of a gradient-indexed metamaterial infrared detector that offers broadband transmission and reflection in THz waves. This thesis proposes a proof of feasibility for a metamaterial infrared detector containing an anti-reflective coating with various geometrically varying periodic metasurfaces, a gradient-indexed dielectric multilayer for near-perfect longpass filtering, and a gradient index of refraction (GRIN) metalens fo… more
Date: May 2022
Creator: Adams, Kelsa Derek
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Partner: UNT Libraries
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"The military unlocked that door for me": Collegiate Experiences of Women Veterans in STEM Majors

Description: Institutions of higher education are a key pathway for supplying the science, technology, engineering, and mathematics (STEM) workforce. Military service members have been identified as STEM-ready and a potential pool for STEM as they transition into civilian careers. Furthermore, women are the fastest growing subpopulation of veterans and may decrease the gender gap within STEM. Higher education researchers are interested in understanding the characteristics and experiences of students who sel… more
Date: May 2022
Creator: Adams, Lisa Dawn
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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