UNT Theses and Dissertations - 20,719 Matching Results

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Descriptions and Computation of Ultrapowers in L(R)

Description: The results from this dissertation are an exact computation of ultrapowers by measures on cardinals $\aleph\sb{n},\ n\in w$, in $L(\IR$), and a proof that ordinals in $L(\IR$) below $\delta\sbsp{5}{1}$ represented by descriptions and the identity function with respect to sequences of measures are cardinals. An introduction to the subject with the basic definitions and well known facts is presented in chapter I. In chapter II, we define a class of measures on the $\aleph\sb{n},\ n\in\omega$, in … more
Date: August 1995
Creator: Khafizov, Farid T.
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Gradual: A Sound-Based Composition for Tenor Saxophone and Fixed Electronics, with Critical Essay

Description: In the first half of the twentieth century, sporadic attempts of avant-garde composers to include sounds other than pitch in musical composition paved the way for the composers in the second half to embrace the sound of all types in their creative works. The development of technology since the mid-past century has facilitated composers' inclusive use of sound. The recent achievements in electronics and computers have led to cost-effective tools for today's composers to explore new possibilities… more
Date: August 2019
Creator: Khajehzadeh, Iman
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An analysis of faculty perceptions of the performance of governing boards in academic affairs and alternative patterns of governance in institutions of higher education

Description: The problem of this study was to analyze faculty perceptions of the performance of current institutional governing boards in academic affairs, and the alternate patterns of faculty participation in governance in Texas senior colleges and universities. The purposes of the study were (1) to determine the current faculty perceptions of the importance and effectiveness of governing boards in academic boards in academic affairs, (2) to discover the level of satisfaction and knowledge of faculty of … more
Date: December 1979
Creator: Khalaf, Omar M.
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Born in Beirut

Description: The film starts with another ordinary day, two elderly men playing Backgammon, cars passing by, children playing in the street; scenes anyone anywhere in the world can relate to. Seemingly without warning, as the sun set on that ordinary day, the audience is taken on a perilous journey through war-torn Beirut. Born in Beirut is a thoughtful and poetic examination of war through the eyes of a child who lived through endless conflict in war-torn Beirut. The film examines the futility of war and t… more
Date: August 2007
Creator: Khalaf, Tania
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Diversity Without Inclusion: The Experience of Female Graduate Students of Color at a Minority Serving Institution

Description: Graduate education can be psychologically taxing, and the academic tasks that graduate students are required to perform can cause a great level of stress, insecurity, and uncertainty. The unique experiences that female students of color face at the intersections of gender, race, and class may have negative effects on their academic performance and attainment. This research explored the experiences of discrimination among the female African American/Black and Hispanic/Latina graduate students an… more
Date: August 2021
Creator: Khalaf, Zahra Fazli
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An Empirical Investigation of the Impact of Cognitive Complexity and Experience of Programmers, and Program Complexity on Program Comprehension and Modification

Description: The psychological characteristics of programmers are believed to be important determinants of programming productivity. However, little evidence is available to support this contention. This investigation, motivated by the lack of such evidence, was concerned with determining the influence of the programmer's cognitive complexity (differentiation and integration) and experience on comprehending and modifying programs of different levels of complexity. Data were collected from ninty-three gradua… more
Date: May 1986
Creator: Khalil, Omar Elnadi M.
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Computational Approaches for Analyzing Social Support in Online Health Communities

Description: Online health communities (OHCs) have become a medium for patients to share their personal experiences and interact with peers on topics related to a disease, medication, side effects, and therapeutic processes. Many studies show that using OHCs regularly decreases mortality and improves patients mental health. As a result of their benefits, OHCs are a popular place for patients to refer to, especially patients with a severe disease, and to receive emotional and informational support. The main … more
Date: May 2018
Creator: Khan Pour, Hamed
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The Digital Tutor, an Educational Technology Marvel: A Futuristic Analysis of a Modern Intelligent Tutoring System Using Soft System Methodology

Description: The COVID-19 pandemic wiped off decades of educational gains in the developing world and added 24 million more children to 775 million illiterates in the world. To counteract such a huge predicament, human learning agility comes into action. This human characteristic of knowing what to do when one does not know what to do, invokes the Soft System Methodology (SSM) approach to analyze illiteracy as the worst of all pandemics since it infiltrates into generations. After evaluating different effec… more
Date: August 2021
Creator: Khan, Adil A
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A proposed strategy for reorganizing secondary school teacher preparation in Pakistan

Description: In order to design an educational system that reflects Pakistani culture and ideology, teacher education programs must be developed which reflect the overall expectations by the country's various social, economic, and educational institutions. Such a program should take the lead in not only developing the educational system but also in establishing priorities in social, economic, and educational changes.
Date: December 1975
Creator: Khan, Ahmed Noor
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Discrimination, Attachment, and Ethnic Identity as Predictors for Wellbeing and American Affirmation among Racial and Ethnic Minority University Students

Description: Extant literature has provided evidence suggesting that ethnic minority individuals experiencing discrimination report poor mental health outcomes, including depression, anxiety, and an overall lower sense of belongingness with the majority culture, but empirical research examining how ethnic identity affects this relationship is extremely scarce. The first goal of the current study was to replicate the results of previous studies demonstrating a strong relationship between discrimination and … more
Date: August 2019
Creator: Khan, Arubah
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The Moderating Effect of Religiosity on the Relationship between Attachment and Psychological Wellbeing in a Muslim-American Sample

Description: Although research on attachment theory has grown exponentially in the field of psychology, few studies exist that examine this theory among young Muslim-American adults, despite the fact that Muslim-Americans represent a significant and growing segment of the U.S. population. The first goal of the current study was to replicate the results of previous studies demonstrating a strong relationship between attachment and the selected wellbeing indicators of psychological symptoms and life satisfac… more
Date: August 2016
Creator: Khan, Arubah
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Susceptibility to the Mueller-Lyer Illusion as a Function of Conflicts in Self Concept and the Characteristics of the Stimulus

Description: While various studies have related susceptibility to the Mueller-Lyer illusion to mental health, to developmental maturity, and to self-differentiation, there have been no studies in which susceptibility to the illusion has been related to a wide spectrum of self-concept dimensions. It is one of the purposes of the present study to analyze susceptibility to the Mueller-Lyer illusion as a function of errors in self-perception. To the extent that an individual suffers conflicts with regard to his… more
Date: January 1969
Creator: Khan, Ehsan Ullah, 1933-
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Contextualizing History Curriculum: A Qualitative Case Study in Balochistan Pakistan

Description: The purpose of the study was to evaluate Pakistan's national history curriculum in the post 18th constitutional amendment scenario. The amendment bequeathed the responsibility of education, including curriculum development, to the provinces. This study sought input from educators on ways the national curriculum currently addresses local needs and requirements as well as considerations for any potential changes or improvements. Traditionally, history curriculum has been used mainly for social id… more
Date: August 2016
Creator: Khan, Gulab
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Partner: UNT Libraries
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Understanding the Knowledge, Skills, and Abilities (KSAs) of Data Professionals in United States Academic Libraries

Description: This study applies the knowledge, skills, and abilities (KSA) framework for eScience professionals to data service positions in academic libraries. Understanding the KSAs needed to provide data services is of crucial concern. The current study looks at KSAs of data professionals working in the United States academic libraries. An exploratory sequential mixed method design was adopted to discover the KSAs. The study was divided into two phases, a qualitative content analysis of 260 job advertise… more
Date: December 2021
Creator: Khan, Hammad Rauf
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Reinforcement Learning-Based Test Case Generation with Test Suite Prioritization for Android Application Testing

Description: This dissertation introduces a hybrid strategy for automated testing of Android applications that combines reinforcement learning and test suite prioritization. These approaches aim to improve the effectiveness of the testing process by employing reinforcement learning algorithms, namely Q-learning and SARSA (State-Action-Reward-State-Action), for automated test case generation. The studies provide compelling evidence that reinforcement learning techniques hold great potential in generating tes… more
Date: July 2023
Creator: Khan, Md Khorrom
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Impact of the Policies of the National Government on the Organization of Business and Management Styles in India

Description: The purpose of this investigation is to explore the policies of the government of British India and of the independent Republic of India relative to their impact on organizational structure, management practices and styles, and management education in business organizations in India. The British, who were responsible for the growth of some of the organized industries in India, also gave the country, among other things, a modern educational system. They left India, however, with a limited indust… more
Date: May 1972
Creator: Khan, Mohamed Afzal
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Crisis, New Imperialisms, and Accumulation by Dispossession: The Case of the Pakistan Railways

Description: My research examines the three interrelated concepts of crisis; new imperialisms, spatial-temporal fix and accumulation by dispossession (ABD) stemming from the work of David Harvey as a way to understand the contested history of the Pakistan Railways. For the first thirty odd years after Pakistan's inception in 1947, the railways, a state-owned institution, was the primary mode of transport for the public, cargo, and workers. Alongside basic infrastructure, the railways had a vast network of h… more
Date: August 2020
Creator: Khan, Sher Ali
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Origin and Role of Factor Viia

Description: Factor VII, the initiator of the extrinsic coagulation cascade, circulates in human plasma mainly in its zymogen form, Factor VII and in small amounts in its activated form, Factor VIIa. However, the mechanism of initial generation of Factor VIIa is not known despite intensive research using currently available model systems. Earlier findings suggested serine proteases Factor VII activating protease, and hepsin play a role in activating Factor VII, however, it has remained controversial. In thi… more
Date: December 2013
Creator: Khandekar, Gauri
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Exploring Inorganic Catalysis with Electronic Structure Simulations

Description: Organometallic catalysis has attracted significant interest from both industry and academia due to its wide applications in organic synthetic transformations. Example of such transformations include the reaction of a zinc carbenoid with olefins to form cyclopropanes. The first project is a computational study using both density functional and correlated wavefunction methods of the reaction between ethylene and model zinc carbenoid, nitrenoid and oxenoid complexes (L-Zn-E-X, E = CH2, NH or O, L … more
Date: May 2016
Creator: Khani, Sarah Karbalaei
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A Convergence Analysis of LDPC Decoding Based on Eigenvalues

Description: Low-density parity check (LDPC) codes are very popular among error correction codes because of their high-performance capacity. Numerous investigations have been carried out to analyze the performance and simplify the implementation of LDPC codes. Relatively slow convergence of iterative decoding algorithm affects the performance of LDPC codes. Faster convergence can be achieved by reducing the number of iterations during the decoding process. In this thesis, a new approach for faster convergen… more
Date: August 2017
Creator: Kharate, Neha Ashok
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Unorthodox Pianism and Its Unexpected Consequences: A Performance Guide to Leo Ornstein's Seventeen Waltzes

Description: Leo Ornstein's most significant piano oeuvre, the Seventeen Waltzes, stand out as a unique example of a pianism as a foundation for the composer's musical thoughts. The purpose of this document is to provide musical and technical suggestions based on Ornstein's pianistic patterns, which will help pianists understand the composer's complex writing and form a coherent interpretation. The guide covers the main avant-garde musical devices used by Ornstein such as tone clusters, polymeter, and polyr… more
Date: May 2017
Creator: Kharitonov, Arsentiy
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An Age-based Etic Analysis of Orthographic Variation in Computer-mediated French Discourse

Description: This study examines orthographic variation in synchronous computer-mediated French discourse. All nontraditional variations of selected frequently occuring items are quantified in order to provide an etic (i.e., from an external perspective) analysis. The primary variable of interest is age since this study focuses on providing a comparison of chat participants in their twenties versus those in their fifties. The widespread claim is that younger people communicate using more informal and/or non… more
Date: December 2013
Creator: Kharrat, Laila Kiblawi
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Passive Control of Fiber Orientation in Direct Ink Writing 3D Printing

Description: Several active methods, which requires external control systems and moving parts, have been developed to control the fiber orientation during 3D printing. Active mechanisms like rotating nozzle, impeller, and magnetic field have been integrated to realize complex internal fiber structures. In this study, instead of using active methods, I investigate a passive method for controlling the fiber orientation without any moving parts or additional mechatronics added in the printing process. Composit… more
Date: August 2020
Creator: Khatri, Nava Raj
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Determination of the Complete Nucleotide Sequence of the xylZ Region of the Pseudomonas Putida TOL Plasmid pDK1, Encoding a Subunit of the Toluate Oxidase Complex

Description: A 1.57 kb XhoI restriction fragment derived from the TOL plasmid pDKI was subcloned into the E. Coli plasmid pUC19. The complete nucleotide sequence of this XhoI fragment was determined using both the chemical cleavage and chain termination DNA sequencing methods.
Date: May 1990
Creator: Khedairy, Hamid S. (Hamid Sabri)
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