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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
Partner: UNT Libraries
open access

"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
Partner: UNT Libraries
open access

Carlos Muñiz and Social Drama

Description: The problem with which this investigation is concerned is that of determining the merit of the works of the contemporary Spanish playwright Carlos Muñiz in the area of social drama.
Date: May 1973
Creator: Adams, Sarah Sue
Partner: UNT Libraries
open access

The Effects of Interactive Reviews and Learning Style on Student Learning Outcomes at a Texas State University

Description: This study investigated the effects of interactive lessons and learning style on student learning outcomes in self-defense education classes. The study utilized an experimental design that incorporated four self-defense education classes at the University of North Texas (UNT) during the fall semester 2007 (N = 87). A pre-test was administered during the first week of class to determine prior knowledge of the participants. The Visual Auditory Reading/Kinesthetic Inventory (VARK) was used to asse… more
Date: May 2008
Creator: Adams, Wesley
Partner: UNT Libraries
open access

A Proposed Industrial Arts General Shop Curriculum for Pauline G. Hughes Middle School, Burleson Independent School District

Description: This study was made to gather data and information to aid the Burleson Independent School District in initiating an industrial arts general shop program in the Pauline G. Hughes Middle School. The data and information were obtained from the Texas Education Agency, the Burleson Independent School District records, the vocational director, the assistant superintendent, a questionnaire, and the Brodhead-Garrett 1976-1977 Catalog. The majority of the general shop programs in the north Texas area co… more
Date: May 1978
Creator: Adams, William Leroy.
Partner: UNT Libraries
open access

A History of Concert Waltzes for Piano (Lecture-Recital) Together with Three Recitals of Selected Works by Rachmaninov, Stravinsky, Schubert, J.S. Bach, Reger, Adams, Covino, Chopin, Schönberg, Ives, and Beethoven

Description: The first three recitals contained solely performances of piano music. The first one consisted of an Etude-Tableau by Rachmaninov, the Capriccio by Stravinsky (the chamberensemble accompaniment arranged for second piano), and the great Sonata in A minor by Schubert. The second recital contained a Prelude and Fugue by J. S. Bach, Reger's Variations and Fugue on a Theme by Bach, a Romance by the performer, Peter Covino's Toccatina Op. 4 No. 8, and Chopin's Nocturne Op. 55 No. 2 and Scherzo in E. … more
Date: May 1978
Creator: Adams, William Lloyd, Jr.
Partner: UNT Libraries
open access

The Effect of Presence of Support Systems and Level of Agreement on the Performance of Work Groups

Description: In the study of team-based organizations most of the research has focus on the internal make-up and structure of teams. Recently there has been more interest in the effects that environment has on teams. With this new focus Support Systems in organizations have become an area of interest. Examining the perceptions of workers with respect to support systems of organizations could give insight into performance. This study specifically examines the interaction between a team's shared perception of… more
Date: May 1999
Creator: Adcock, John R. (John Roger)
Partner: UNT Libraries
open access

Asepo

Description: My artistic practice centers around personal history, connection, and identity. I reflect on my experience as a Nigerian who has lived on three continents thus far, and how those experiences have led to the deconstruction, reassembly, and hybridization of my identity. My work pays homage to my tribe of origin, Yoruba, whilst redefining and exploring the hybridity that exists as a result of cross-cultural influences that are prominent in our world today. I incorporate varying objects and materi… more
Date: May 2023
Creator: Adeleke, Atinuke
Partner: UNT College of Visual Arts + Design
open access

Attitudes Toward Increased Government Control of Land Use

Description: This investigation is concerned with perceived detrimental aspects of land use and the desirability of extending government participation in land use goals. Interviews with 179 persons were conducted. The data reveal a possible direct relationship between social class and the acceptance of land use and economic controls. The project endorses the following proposals: Local regulations should require housing developers to provide the streets and utilities and to dedicate land for parks and school… more
Date: May 1975
Creator: Adeler, Harold C.
Partner: UNT Libraries
open access

Measurement of the Top Quark Mass at CDF Using the Template Method in the Lepton + Jets Channel

Description: A measurement of the top quark mass in p{bar p} collisions at {radical}s = 1.96 TeV is presented. The analysis uses a template method, in which the overconstrained kinematics of the Lepton+Jets channel of the t{bar t} system are used to measure a single quantity, the reconstructed top quark mass, that is strongly correlated with the true top quark mass. in addition, the dijet mass of the hadronically decaying W boson is used to constrain in situ the uncertain jet energy scale in the CDF detecto… more
Date: May 1, 2008
Creator: Adelman, Jahred A.
Partner: UNT Libraries Government Documents Department
open access

The Development and Contributions of the Department of Adult Education, University of Ibadan, Nigeria, to Adult Education in Nigeria: 1945- 1980

Description: This study examined the historical development of the University of Ibadan in Nigeria and its contributions to adult education both in Nigeria and in other African nations. This was aimed at providing up-to-date insight into the department's contributions to the development of adult education in Nigeria and in other African nations. Specifically, this study examined the department's founders and their goals, the department's management structure, its relationship with other adult education agen… more
Date: May 1987
Creator: Adeniji, Olufemi O. (Olufemi Ogunruku)
Partner: UNT Libraries
open access

Magnetron Sputtering of Transition Metal Oxynitrides and Their Characterization with Auger Electron Spectroscopy and X-ray Photoelectron Spectroscopy

Description: Transition metal oxynitrides are of growing interest for their use as electrocatalyst for nitrogen reduction reaction. The metals in the oxynitride used for catalytic process are stabilized in intermediate state for effective activation of nitrogen. Therefore, studying the interaction of metal oxynitrides films to ambient exposure is necessary. Here, sputter deposited vanadium oxynitride is compared to cobalt oxynitride using insitu Auger electron spectroscopy (AES), ex situ X-ray photoelectron… more
Date: May 2023
Creator: Adesope, Qasim Adewale
Partner: UNT Libraries
open access

An Analysis of the Need for Human Resource Development in Nigeria

Description: The present study was concerned with seeking the opinions of Nigerian employers, Nigerians studying in the United States, and those studying in Nigeria concerning the need for human resource development in Nigeria. Data were collected through questionnaires mailed to selected Nigerian employers and to Nigerian students studying at various United States college campuses and at Nigerian university campuses. Problems of unemployment and critical shortages of skilled manpower continue to be rampan… more
Date: May 1975
Creator: Adewuyi, Joseph Ajibade
Partner: UNT Libraries
open access

Solvent Effects and Bioconcentration Patterns of Antimicrobial Compounds in Wetland Plants

Description: This study looked at effects of organic solvents dimethylsulfoxide, dimethylformamide and acetone at 0.01%, 0.05% and 0.1% concentration on germination and seedling development wetland plants. Even at 0.01% level, all solvents affected some aspect of seed germination or seedling growth. Acetone at 0.01% was least toxic. Root morphological characteristics were most sensitive compared to shoot morphological characteristics. This study also looked at bioconcentration patterns of antimicrobial comp… more
Date: May 2011
Creator: Adhikari, Sajag
Partner: UNT Libraries
open access

Information Content of Non-GAAP Earnings of Cross-Listed Companies

Description: To supplement earnings reported under generally accepted accounting principles (GAAP), public companies often voluntarily report alternative measures of earnings called non-GAAP earnings (NGE). These companies assert that NGE exclude the effect of non-recurring transactions, thereby helping users of financial information to better assess the company's past performance and prospects. Because NGE measures are not well defined, managers can exploit the inherent discretion in calculating NGE to mis… more
Date: May 2018
Creator: Adhikari, Subash
Partner: UNT Libraries
open access

The Status and Challenges of Online Distance Education Programs in Post-Secondary Institutions in Ghana

Description: The purpose of this study was to identify the status and challenges of online distance education programs in post-secondary institutions in Ghana. This study was a replication of a similar study conducted in Kenya in 2009, at the University of Nairobi and Kenyatta University. This present study was conducted with an online survey using Google survey assessment. The survey requested responses from six post-secondary institutions in Ghana. Out of a total of 450 projected student responses, 309 re… more
Date: May 2017
Creator: Adjabeng, Stanley
Partner: UNT Libraries
open access

Effect of Task Appropriateness, Social Comparison, and Feedback on Female Goals, Performance, and Self-Confidence with a Motor Task

Description: Lenney (1977) concluded that achievement gender differences were predicted by females' lower self confidence and expectancies in competitive situations, identifying three variables that mediated female self confidence in achievement situations, (1) task appropriateness. (2) social comparison, and (3) feedback. The present study manipulated all three mediating variables with 240 undergraduate 18-25 year old female subjects with the pursuit rotor task that requires tracking a moving (40 rpm's) w… more
Date: May 1990
Creator: Adler, William P.
Partner: UNT Libraries
open access

Ecological Factors Related to Juvenile Delinquency

Description: The purpose of this study is to discover the spatial distribution of adjudicated delinquents and to analyze the relationship of these delinquents to a distribution of other attributes of population aggregates. Specifically, this study focuses on the relationship in Fort Worth between the social and economic data of a specific zone. Chapter I and III of this study discuss previous ecological studies and their findings. Furthermore, possible restriction to previous studies are brought out and the… more
Date: May 1975
Creator: Adrian, Larry Michael
Partner: UNT Libraries
open access

Workplace Violence Prevention Training: An Analysis of Employees' Attitudes

Description: The purpose of this study was to determine employees' attitudes and perceptions toward the effectiveness of workplace violence prevention training within a U.S. Government service agency with 50 offices located in Minnesota and Wisconsin. Chapter 1 presents an overview of the phenomenon of workplace violence, the movement toward prevention programs and policies and the implementation of prescreening processes during hiring and violence prevention training. Chapter 2 contains a thorough review o… more
Date: May 2005
Creator: Adriansen, David J.
Partner: UNT Libraries
open access

Strategic Planning and Strategy Implementation: A Study of Top Administration in Selected Institutions of Higher Education in Texas

Description: The purpose of this study was to analyze data from different sizes and types of higher education institutions in order to identify differences and similarities that may exist between the perceptions of top executives relative to idea generation and strategy implementation activities in the administration of higher education in Texas. In order to carry out the purpose of this study, two hypotheses were tested concerning the perceptions of top executives (presidents and vice presidents) relative … more
Date: May 1984
Creator: Afifi, Rasoul
Partner: UNT Libraries
open access

Naturalness and supersymmetry

Description: In this thesis, the author argues that the supersymmetric Standard Model, while avoiding the fine tuning in electroweak symmetry breaking, requires unnaturalness/fine tuning in some (other) sector of the theory. For example, Baryon and Lepton number violating operators are allowed which lead to proton decay and flavor changing neutral currents. He studies some of the constraints from the latter in this thesis. He has to impose an R-parity for the theory to be both natural and viable. In the abs… more
Date: May 1, 1998
Creator: Agashe, K.
Partner: UNT Libraries Government Documents Department
open access

Nigerian Military Government and Press Freedom, 1966-79

Description: The problem of this thesis is to examine the military-press relationship in Nigeria from 1966 to 1979 and to determine whether activities of the military government contributed to violation of press freedom by prior restraint, postpublication censorship and penalization. Newspaper and magazine articles related to this study were analyzed. Interviews with some journalists and military personnel were also conducted. Materials collected show that the military violated some aspects of press freedom… more
Date: May 1984
Creator: Agboaye, Ehikioya
Partner: UNT Libraries
open access

Practical Evaluation of a Software Defined Cellular Network

Description: This thesis proposes a design of a rapidly deployable cellular network prototype that provides voice and data communications and it is interoperable with legacy devices and the existing network infrastructure. The prototype is based on software defined radio and makes use of IEEE 802.11 unlicensed wireless radio frequency (RF) band for backhaul link and an open source GSM implementation software. The prototype is also evaluated in environments where there is limited control of the radio frequen… more
Date: May 2017
Creator: Agbogidi, Oghenetega
Partner: UNT Libraries
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