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18,963 Matching Results
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17 USC 108(h): The “Last Twenty Years” Exception
This document is part of a series of white papers on various copyright issues. One statute, 17 USC § 108, provides a number of exceptions specifically for libraries. In addition to fair use, there are a variety of other exceptions built into the copyright law that don’t get as much attention.This paper specifically addresses one of 108’s lesser-used provisions and the value it may hold for libraries and archives: 108(h).
Date:
December 2017
Creator:
Wolfson, Stephen M.
Object Type:
Article
System:
The UNT Digital Library
The 50,000 Watt Blowtorch of the Great Southwest: The History of WBAP
This paper looks at the history of WBAP while examining how programming has changed from 1922-2014 and how WBAPs audience helped shape programming at the station. This paper reveals four formatting changes throughout the stations history and provides in-depth statistical analysis of how WBAPs audience changed during the stations 90 plus years of existence.
Date:
December 2016
Creator:
Dixon, Chad M
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A 018μm Cmos Transmitter for Ecg Signals
Electrocardiography (ECG) signal transmitter is the device used to transmit the electrical signals of the heart to the remote machine. These electrical signals are ECG signals caused due to electrical activities in the heart. ECG signals have very low amplitude and frequency; hence amplification of the signals is needed to strengthen the signal. Conversion of the amplified signal into digital information and transmitting that information without losing any data is the key. This information is further used in monitoring the heart.
Date:
December 2013
Creator:
Kakarna, Tejaswi
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
1972 Presidential Campaign Investigation Based on Attitude Measurements of Candidate Images
The relationship of attitude measurement with the political campaign process provides the problem area that this study considers. The purpose of this political communication study is to explore in detail and describe various "attitude" profiles of voters and resulting candidate "images" of the 1972 presidential election. These "attitudes" and "images" are determined through the use of three primary research instruments: the semantic differential scale, the Method of Ordered Alternatives, and the political philosophy continuum. In addition to these, a record of actual voting behavior serves as validating support of the measured attitudes. This study deals with "attitudes" toward and candidate "images" of George McGovern, R. Sargent Shriver, Richard M. Nixon, and Spiro T. Agnew, the Democratic and Republican candidates for President and Vice-President in 1972. This descriptive investigation unfolds into three major problem areas: 1. to report and describe "panoramic images" of Nixon,. McGovern, Agnew, and Shriver, as measured by the semantic differential scale. 2. to give an account of voter preferred positions A through I as measured by the Method of Ordered Alternatives in connection with "attitude" as measured by the evaluative factor of the semantic differential scale, and subsequently aligned with actual voting behavior. 3. to determine the …
Date:
December 1973
Creator:
Ricks, Dana Carol
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
2nd High-Level Meeting on Health and Environment in ASEAN and East Asian Countries
The Second High-Level Meeting on Environment and Health in ASEAN and East Asian countries was held in Bangkok, Thailand during 12-13 December 2005. The meeting follows a continuation of the process, which began in Manila in November 2004, where a regional initiative on environment and health was launched by ADB, WHO, and UNEP. It was attended by Representatives from Government and International Agencies and Institutions. The List of Participants is attached as Annexure 2
Date:
October 2010
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
3D Printing of Zinc Anode for Zinc Ion Batteries
Recently, 3D printing has received increasing attention for the fabrication and assembly of electrodes for batteries due to the freedom of creating structures in any shape or size, porosity, flexibility, stretchability, and chemistry. Particularly, zinc ion batteries (ZIBs) are favored due to high safety, cheap materials cost, and high volumetric capacity (5,849 mAh/cm3), however, rapid evaporation of Zn due to low melting temperature has limited its 3D printability via conventional laser-based additive manufacturing technique. Here, we develop a printable ink for the fabrication of flexible and 3D printed Zn anode with varied surface areas using the direct ink writing (DIW) method. Our 3D printed porous and high surface area Zn anode structures effectively suppressed the dendrite growth while providing high Zn ion diffusion towards the cathode to significantly enhance the performance of ZIB. By varying filament distancing and path, we 3D printed zinc anode structures with different active surface areas, surface area to volume ratio, porosity, flexible and multiple layer structures that can be incorporated on any device. Carbon in the composite improved conductivity, and mechanical stability of 3D printed zinc anode. Our 3D printed composite anodes allowed flexible designing of batteries surpassing conventional battery designs such as coin cells …
Date:
December 2021
Creator:
Amoko, Stephen Adot Oyo
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
3D Reconstruction Using Lidar and Visual Images
In this research, multi-perspective image registration using LiDAR and visual images was considered. 2D-3D image registration is a difficult task because it requires the extraction of different semantic features from each modality. This problem is solved in three parts. The first step involves detection and extraction of common features from each of the data sets. The second step consists of associating the common features between two different modalities. Traditional methods use lines or orthogonal corners as common features. The third step consists of building the projection matrix. Many existing methods use global positing system (GPS) or inertial navigation system (INS) for an initial estimate of the camera pose. However, the approach discussed herein does not use GPS, INS, or any such devices for initial estimate; hence the model can be used in places like the lunar surface or Mars where GPS or INS are not available. A variation of the method is also described, which does not require strong features from both images but rather uses intensity gradients in the image. This can be useful when one image does not have strong features (such as lines) or there are too many extraneous features.
Date:
December 2012
Creator:
Duraisamy, Prakash
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
3GPP Long Term Evolution LTE Scheduling
Future generation cellular networks are expected to deliver an omnipresent broadband access network for an endlessly increasing number of subscribers. Long term Evolution (LTE) represents a significant milestone towards wireless networks known as 4G cellular networks. A key feature of LTE is the implementation of enhanced Radio Resource Management (RRM) mechanism to improve the system performance. The structure of LTE networks was simplified by diminishing the number of the nodes of the core network. Also, the design of the radio protocol architecture is quite unique. In order to achieve high data rate in LTE, 3rd Generation Partnership Project (3GPP) has selected Orthogonal Frequency Division Multiplexing (OFDM) as an appropriate scheme in terms of downlinks. However, the proper scheme for an uplink is the Single-Carrier Frequency Domain Multiple Access due to the peak-to-average-power-ratio (PAPR) constraint. LTE packet scheduling plays a primary role as part of RRM to improve the system’s data rate as well as supporting various QoS requirements of mobile services. The major function of the LTE packet scheduler is to assign Physical Resource Blocks (PRBs) to mobile User Equipment (UE). In our work, we formed a proposed packet scheduler algorithm. The proposed scheduler algorithm acts based on the number …
Date:
December 2013
Creator:
Alotaibi, Sultan
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Ability Grouping in College Beginning Media Writing Classes
The problem with which this investigation is concerned is that students of unequal writing ability are frequently placed in the same beginning media writing classes in college journalism. It is difficult for a teacher to be effective when the ability of the students ranges from those who cannot write clear complete sentences to others whose work already appears in newspapers and magazines. The purpose of this study is to determine whether students who are ability grouped into slow—average and advanced groups do the same, better, or worse than heterogeneously grouped students. In the spring semester of 1987, students in Journalism 1345, Media Writing laboratory, at the University of Texas at Arlington, were given a pretest to determine how well they wrote a simple news story and a simple feature story. On the basis of that test, which was graded by three raters, the students were placed in two separate ability groups in three classes. The fourth class contained students with heterogeneous abilities who were not placed in groups. At the end of the semester a posttest was given in news and feature writing. A two-way analysis of variance was used to analyze the posttest scores of sixty-seven students. There was …
Date:
December 1987
Creator:
Haber, Marian Wynne
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Ability of Selected Economically Disadvantaged Black Children to Comprehend the Non-Identity Requirement of Pronominalization
The problem with which this investigation is concerned is that of determining the ability of economically disadvantaged black children to comprehend a specific grammatical operation, the non-identity requirement of pronominalization. In addition, the study is also concerned with describing selected characteristics of the language of the subjects in the study through the utilization of a task of imitation. The subjects of the study were forty-eight black children who were between the ages of four and ten years. All subjects were from families in which the natural parents were living together in the same household. The parents and children were native residents of the area and were recipients of federal welfare aid. None of the subjects in the study had histories of physiological, psychological, neurological, or auditory problems, and none were presently enrolled in rehabilitative language programs. A general estimate of intelligence was provided by the administration of the Columbia Mental Maturity Scale.
Date:
December 1973
Creator:
Bountress, Nicholas George
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Abraham Lincoln and the American Romantic Writers: Embodiment and Perpetuation of an Ideal
The American Romantic writers laid a broad foundation for the historic and heroic Abraham Lincoln who has evolved as our national myth. The writers were attracted to Lincoln by his eloquent expression of the body of ideals and beliefs they shared with him, especially the ideal of individual liberty and the belief that achievement of the ideal would bring about an amelioration of the human condition. The time, place and conditions in which they lived enhanced the attraction, and Lincoln's able leadership during the Civil War strengthened their estimation of him. His martyrdom was the catalyst which enabled the Romantic writers to lay the foundation of the Lincoln myth which has made his name synonymous with individual freedom everywhere even today.
Date:
December 1992
Creator:
Hicks, Mary G. (Mary Geraldine)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Abrupt Climate Change: Final Report
This document is part of the Synthesis and Assessment Products (SAP) described in the U.S. Climate Change Science Program (CCSP) Strategic Plan. This report is meant to reduce uncertainty in projections of how the Earth's climate and related systems may change in the future. It provides scientific information for supporting the decision-making audience and the expert scientific and stakeholder community.
Date:
December 2008
Creator:
Climate Change Science Program (U.S.). Subcommittee on Global Change Research.
Object Type:
Book
System:
The UNT Digital Library
Absorption, Relaxation, and Imagery Instruction Effects on Thermal Imagery Experience and Finger Temperature
A skill instruction technique based on cognitive behavioral principles was applied to thermal imagery to determine if it could enhance either subjective or physiological responsiveness. The effects of imagery instruction were compared with the effects of muscle relaxation on imagery vividness, thermal imagery involvement, and the finger temperature response. The subjects were 39 male and 29 female volunteers from a minimum security federal prison. The personality characteristic of absorption was used as a classification variable to control for individual differences. It was hypothesized that high absorption individuals would reveal higher levels of imagery vividness, involvement, and finger temperature change; that imagery skill instruction and muscle relaxation would be more effective than a control condition; and that the low absorption group would derive the greatest benefit from the imagery task instruction condition. None of the hypotheses was supported. Finger temperature increased over time during the experimental procedure but remained stable during thermal imagery. The results suggest that nonspecific relaxation effects may best account for finger temperature increases during thermal imagery. Results were discussed in relation to cognitive-behavioral theory and the characteristic of absorption.
Date:
December 1986
Creator:
Durrenberger, Robert Earl, 1951-
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Abstract Moments of Art Found in the Ordinary
This paper is an experiment using digital video to locate and identify the abstract in everyday life and nature. The abstract moment occurs when the image that is captured by video loses its connection with the original context, allowing the images to be viewed in an entirely new way. The abstract moment is initiated by a transformative instant, that instant in which perception is altered and the viewer sees the intended content of composition of light and sound. The project contains four digital videos that record the artist's progress and interests.
Date:
December 2002
Creator:
Kraft, Stuart
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Academia Musical of Pablo Minguet y Yrol: A Translation and Commentary
Pablo Minguet y Yrol's Academia Musical of 1752, M891 in the Bíblioteca Nacional of Madrid, is a loosely organized collection of tutors for thirteen musical instruments: guitar, tiple, mandola, cittern, bandurria, psaltery, clavichord [i.e., keyboard], organ, harp, violin, transverse flute, recorder, and flageolet. The tutors concerning the guitar and related instruments are by far the most comprehensive; topics covered include basic playing technique, figured-bass accompaniment, and notation, both mensural and tablature. Most musical examples are given in both types of notation. The thesis is a complete translation of the Academia Musical, including the texts of the illustrations, with an introductory commentary giving the historical background of music education in eighteenth-century Spain, a brief review of European musical-instrument tutors in general, and an analysis of Minguet's tutors in particular.
Date:
December 1984
Creator:
O'Dania, Christopher T.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Academic and Athletic Experiences of African-american Males in a Division I (Fbs) Football Program
This study investigated the academic and athletic experiences of African-American males in a Division I football bowl subdivision football program. Critical race theory, identity development model, and social learning model were the theoretical frameworks used as the critical lenses in a qualitative design to examine the participants. The participants’ responses were analyzed and interpreted using thematic analysis. A qualitative research design, which included individual interviews with 10 second year African-American male football players, was used to address this research problem. The goal was to bring together both the psychological and sociological perspectives and to challenge participants to candidly describe their academic and athletic experiences and attitudes toward obtaining an undergraduate degree. Four themes were determined in the data analysis: differential treatment and determining oneself, time management, relationships, and career aspirations. In relation to the theoretical frameworks, the development of self-confidence and knowledge of balancing their academic and athletic schedules was critical for all participants. The sense of feeling different and challenged because of the differences in culture and experience was evident. From this study, university and collegiate athletics administrators may better understand the backgrounds, challenges, and learning needs of this population. As a result, higher education personnel may improve the …
Date:
December 2013
Creator:
Salinas, Silvia M.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Academic and Social Functioning of College Students with Attention-Deficit/Hyperactivity Disorder (ADHD)
Attention-deficit/hyperactivity disorder (ADHD) is a complicated psychiatric disorder that is typically first diagnosed in childhood and associated with negative outcomes in adulthood such as poor academic performance and difficulties with social relationships. ADHD can be difficult to accurately diagnose in adulthood, given the absence of clear, agreed upon ADHD symptomology in adults. In the current study, two raters used psychometrically sound instruments and diagnostically valid assessment techniques on an archival dataset to create three distinct groups: ADHD [2/3 with other mental health diagnosis (OMH)], OMH only, and no diagnosis. Findings support the value of comprehensive assessment, combined with a thorough evaluation of the material by a trained clinician, for the accurate diagnosis of ADHD for research purposes. Comparisons were made across groups to infer that college students with ADHD have lower grade point averages and academic self-concept than students without mental health diagnoses. Yet, contrary to much of the current literature, college students with ADHD seem to create as strong, deep, supportive and harmonious relationships with loved ones and close friends as their non-diagnosed peers. Clinicians working with college students with ADHD may use the results of the current study to better inform conceptualization, better recognize the innate resilience college …
Date:
December 2017
Creator:
Calmenson, Nina
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Academic Dishonesty: Attitudes and Behaviors of Fundamentalist Christian College Students
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Use of this item is restricted to the UNT Community
This study was designed to examine: (1) the extent to which cheating occurs in fundamentalist Christian colleges; (2) the attitudes of fundamentalist Christian college students toward cheating; (3) attitudes of fundamentalist Christian college students toward cheating among their peers; (4) the kinds of cheating practices of fundamentalist Christian college students; (5) the degree to which students engage in neutralizing behavior to justify cheating; (6) differences in cheating behaviors according to gender; (7) differences in cheating behaviors according to ethnicity; and (8) differences in cheating behaviors according to the length of duration of Christian commitment. Based upon the responses of 337 students attending 3 different Christian colleges, it was concluded that: (1) most Christian fundamentalist students do not engage in cheating; (2) respondents believe that each of 17 self-reported cheating behaviors are serious forms of cheating; (3) respondents are unlikely to report cheating among peers; (4) plagiarism is the most common cheating behavior; (5) most respondents justify cheating on the basis of the workload at school and the pressure to obtain good grades; (6) there are no differences in cheating behavior according to gender; (7) there are differences in cheating behavior according to groups; and (8) most respondents do not cheat …
Date:
December 2000
Creator:
Sunday, William G.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Academic Governance: Perceptions and Preferences of Administrators and Faculty in a Public and in a Private University
The problem with which this study is concerned is the determination of the attitudes toward academic governance of administrators and faculty in both a public and a private institution of higher education in Texas. Based on the problem, a Likert-type survey instrument was developed from the questionnaire provided by the North Texas State University Task Force on University Governance; 176 academic administrators and faculty responded (60.5 per cent).
Date:
December 1982
Creator:
Igbineweka, Andrew O.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Academic Progress Scores to Predict Performance on a State Assessment
This quantitative study examined seventh-grade reading scores to determine the extent to which certain demographic variables (race/ethnicity, gender, socioeconomic status) explain and MAP reading scores predict reading scores on the State of Texas Assessment of Academic Readiness (STAAR) in a selected northeast Texas public school. Standardized assessments only compare the relative performance of an individual student to other groups of students using scaled scores, which can vary from year to year and from state to state. With the advent of computer adaptive testing, this study provides information on the predictive validity of benchmark assessments. Specifically, this study looked for predictive evidence that indicates how accurately test data can predict criterion scores. Findings revealed, through a multiple regression analysis, that the fall MAP Rasch Unit (RIT) scores predicted the STAAR scale scores. Using SPSS version 22, the data were entered and analyzed in a multiple regression model to determine the presence of a statistical trend or lack thereof. Demographic data and MAP scores were entered into the regression model to examine the predictive validity of the MAP assessment in determining student performance on the STAAR seventh-grade state-mandated reading assessment. The statistical analysis revealed that MAP RIT scores explain a significant variance …
Date:
December 2016
Creator:
Curry, David Mitchell
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Academic Steroid: Nonmedical Use of Prescription Stimulants at a North Texas University
The goal of this study was to determine the extent, motivations, and justifications of nonmedical prescription stimulant use among the population at a large public university in the North Texas region. Participants consisted of 526 undergraduate students enrolled at the studied university during the spring and summer 2014 semesters. The findings of the study suggest that the nonmedical use by students was higher than the findings in much of the current literature, but was within the parameters established in the literature. The primary motivation for nonmedical use was academic in nature and was justified by moderation of nonmedical use to strategic academic times.
Date:
December 2014
Creator:
Pennington, Cody W.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Academic Task Structures in High-Ability and Average-Ability Classes
This study developed propositions concerning the nature of academic tasks as they are experienced in classrooms. Specifically, the purpose of this study was to analyze academic task structures in two language-arts classes, one designated as average-ability and one designated as high-ability. Few studies have concentrated on tasks as they are experienced in classrooms. While propositions concerning task systems are sparse in any curriculum area, language arts classes would seem to be particularly appropriate for supplying information about a wide range of task types. The present research thus described the nature of tasks in two junior high language arts classes.
Date:
December 1980
Creator:
Carter, Katherine Jane, 1950-
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Accelerator Mass Spectrometry Studies of Highly Charged Molecular Ions
The existence of singly, doubly, and triply charged diatomic molecular ions was observed by using an Accelerator Mass Spectrometry (AMS) technique. The mean lifetimes of 3 MeV boron diatomic molecular ions were measured. No isotopic effects on the mean lifetimes of boron diatomic molecules were observed for charge state 3+. Also, the mean lifetime of SiF^3+ was measured.
Date:
December 1994
Creator:
Kim, Yong-Dal
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
An Accelerometer-based Gesture Recognition System for a Tactical Communications Application
In modern society, computers are primarily interacted with via keyboards, touch screens, voice recognition, video analysis, and many others. For certain applications, these methods may be the most efficient interface. However, there are applications that we can conceive where a more natural interface could be convenient and connect humans and computers in a more intuitive and natural way. These applications are gesture recognition systems and range from the interpretation of sign language by a computer to virtual reality control. This Thesis proposes a gesture recognition system that primarily uses accelerometers to capture gestures from a tactical communications application. A segmentation algorithm is developed based on the accelerometer energy to segment these gestures from an input sequence. Using signal processing and machine learning techniques, the segments are reduced to mathematical features and classified with support vector machines. Experimental results show that the system achieves an overall gesture recognition accuracy of 98.9%. Additional methods, such as non-gesture recognition/suppression, are also proposed and tested.
Date:
December 2015
Creator:
Tidwell, Robert S., Jr.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library