UNT Theses and Dissertations - 18,690 Matching Results

Search Results

The Impact of Middle Class Economic Strength on Civil Liberties Performance and Domestic and External Peace

Description: Using data for 93 countries from 1972 through 2001 in cross-national analysis, this study compares the relative economic strength of a country's middle-class with its civil liberties performance and its history of domestic and external conflict. For purposes of this analysis, the relative strength of a country's middle-class is determined by multiplying the square root of a country's gross domestic product per capita by the percentage of income distributed to the middle 60 % of the population (middle class income share). Comparisons between this measure of per capita income distributed (PCID) and several other indicators show the strength of the relationship between PCID and civil liberties performance and domestic and external conflict. In the same manner, comparisons are made for the middle class income share (MCIS) alone. The countries are also divided by level of PCID into 3 world classes of 31 countries each for additional comparisons. In tests using bivariate correlations, the relationships between PCID and MCIS are statistically significant with better civil liberties performance and fewer internal conflicts. With multivariate regression the relationship between PCID and civil liberties performance is statistically significant but not for PCID and internal conflict. As expected, in both correlations and regression between PCID and external conflict, variables related to power dominate. However, when the countries are divided into world classes by level of PCID, the eleven countries with the highest level of PCID have had no internal or external conflict since 1972. Moreover, there is no within group conflict for countries in either the upper or middle classes of countries based on their level of PCID. The between group conflict does include democracies.
Date: December 2003
Creator: Stedman, Joseph B.
Partner: UNT Libraries

The impact of technical barriers on the effectiveness of professional development as related to a distance education system-based course: A case study in the Web World Wonders environmental science learning community.

Description: This study reports and discusses the impact of technical barriers on the effectiveness of professional development as related to a distance education system based course: a case study of the web world wonders environmental science learning community in Florida. The project involved 4th through 12th grade public school teachers learning how to use GPS readers, digital cameras, and Arc View software for the purpose of utilizing a Website that enabled remote Internet camera access in Florida State Parks. Under the supervision of Florida State University and the Florida Department of Education those teachers received professional development in techniques for developing lesson plans utilizing the equipment and software as stated above. Using the Concept Based Adoption Model, a description of the teacher's demographics, Levels of Use and Stages of Concern with relation to gender, age, teaching experience, and technological experience was examined. Technical barriers were identified and an explanation of how they were overcome in the process of receiving the professional development is reported.
Date: December 2003
Creator: Dawson, John L.
Partner: UNT Libraries

Improved Approximation Algorithms for Geometric Packing Problems With Experimental Evaluation

Description: Geometric packing problems are NP-complete problems that arise in VLSI design. In this thesis, we present two novel algorithms using dynamic programming to compute exactly the maximum number of k x k squares of unit size that can be packed without overlap into a given n x m grid. The first algorithm was implemented and ran successfully on problems of large input up to 1,000,000 nodes for different values. A heuristic based on the second algorithm is implemented. This heuristic is fast in practice, but may not always be giving optimal times in theory. However, over a wide range of random data this version of the algorithm is giving very good solutions very fast and runs on problems of up to 100,000,000 nodes in a grid and different ranges for the variables. It is also shown that this version of algorithm is clearly superior to the first algorithm and has shown to be very efficient in practice.
Access: This item is restricted to UNT Community Members. Login required if off-campus.
Date: December 2003
Creator: Song, Yongqiang
Partner: UNT Libraries

Influence of Cholesterol Import on Aspergillus fumigatus Growth and Antifungal Suscepibility

Description: Invasive pulmonary aspergillosis is a life-threatening fungal infection commonly observed in immunocompromised patients and has a mortality rate approaching 100% once the disease is disseminated. Aspergillus fumigatus is the most common pathogen. Early diagnosis improves the prognosis but is very difficult since most signs and symptoms are nonspecific. Antifungal therapy, usually based on sterol biosynthesis inhibitors, is also of limited efficacy. In my attempts to discover a diagnostic sterol marker for aspergillosis, I observed that A. fumigatus incorporates large amounts of cholesterol from serum-containing medium. This observation suggested the hypothesis that exogenous cholesterol from the host can be imported by A. fumigatus and used as a substitute for ergosterol in the cell membrane. This proposed mechanism would reduce the efficacy of antifungal drugs that act as sterol biosynthesis inhibitors. Experiments to test this hypothesis were designed to determine the effects of serum-free and serum-containing medium on growth of A. fumigatus in the presence and absence of azole antifungal agents. The results showed a marked increase in growth in the presence of human serum. Cultures in media containing cholesterol but no serum also showed enhanced growth, a result indicating that a non-cholesterol component of serum is not primarily responsible for the increased growth. However, sterol analysis of A. fumigatus cultured in the absence of inhibitors showed little or no change in ergosterol levels. This result suggested that the imported cholesterol was not being used as membrane sterol. However, in parallel experiments using Itraconazole™, an antifungal agent that attenuates sterol biosynthesis by inhibiting the sterol 14a-demethylase (ERG11), ergosterol levels decreased with increasing doses of inhibitor. Moreover, serum-containing medium partially rescued A. fumigatus from the effects of Itraconazole™, and a similar rescue effect was observed with serum-free media containing cholesterol. From the preceding results, it can be concluded that human serum enhances A. ...
Access: This item is restricted to the UNT Community Members at a UNT Libraries Location.
Date: December 2003
Creator: Hassan, Saad A.
Partner: UNT Libraries

Integrating GIS with Benthic Metrics: Calibrating a Biotic Index to Effectively Discriminate Stream Impacts in Urban Areas of the Blackland Prairie Eco-Region

Description: Rapid Bioassessment Protocols integrate a suite of community, population, and functional metrics, determined from the collection of benthic macroinvertebrates or fish, into a single assessment. This study was conducted in Dallas County Texas, an area located in the blackland prairie eco-region that is semi-arid and densely populated. The objectives of this research were to identify reference streams and propose a set of metrics that are best able to discriminate between differences in community structure due to natural variability from those caused by changes in water quality due to watershed impacts. Using geographic information systems, a total of nine watersheds, each representing a different mix of land uses, were chosen for evaluation. A total of 30 metrics commonly used in RBP protocols were calculated. Efficacy of these metrics to distinguish change was determined using several statistical techniques. Ten metrics were used to classify study area watersheds according to stream quality. Many trends, such as taxa presence along habitat quality gradients, were observed. These gradients coincided with expected responses of stream communities to landscape and habitat variables.
Date: December 2003
Creator: Earnest, Steven F. P.
Partner: UNT Libraries

Intelligent Memory Management Heuristics

Description: Automatic memory management is crucial in implementation of runtime systems even though it induces a significant computational overhead. In this thesis I explore the use of statistical properties of the directed graph describing the set of live data to decide between garbage collection and heap expansion in a memory management algorithm combining the dynamic array represented heaps with a mark and sweep garbage collector to enhance its performance. The sampling method predicting the density and the distribution of useful data is implemented as a partial marking algorithm. The algorithm randomly marks the nodes of the directed graph representing the live data at different depths with a variable probability factor p. Using the information gathered by the partial marking algorithm in the current step and the knowledge gathered in the previous iterations, the proposed empirical formula predicts with reasonable accuracy the density of live nodes on the heap, to decide between garbage collection and heap expansion. The resulting heuristics are tested empirically and shown to improve overall execution performance significantly in the context of the Jinni Prolog compiler's runtime system.
Date: December 2003
Creator: Panthulu, Pradeep
Partner: UNT Libraries

Interfacial Electrochemistry and Surface Characterization: Hydrogen Terminated Silicon, Electrolessly Deposited Palladium & Platinum on Pyrolyzed Photoresist Films and Electrodeposited Copper on Iridium

Description: Hydrogen terminated silicon surfaces play an important role in the integrated circuit (IC) industry. Ultra-pure water is extensively used for the cleaning and surface preparation of silicon surfaces. This work studies the effects of ultra-pure water on hydrogen passivated silicon surfaces in a short time frame of 120 minutes using fourier transform infrared spectroscopy – attenuated total reflection techniques. Varying conditions of ultra-pure water are used. This includes dissolved oxygen poor media after nitrogen bubbling and equilibration under nitrogen atmosphere, as well as metal contaminated solutions. Both microscopically rough and ideal monohydride terminated surfaces are examined. Hydrogen terminated silicon is also used as the sensing electrode for a potentiometric sensor for ultra-trace amounts of metal contaminants. Previous studies show the use of this potentiometric electrode sensor in hydrofluoric acid solution. This work is able to shows sensor function in ultra-pure water media without the need for further addition of hydrofluoric acid. This is considered a boon for the sensor due to the hazardous nature of hydrofluoric acid. Thin carbon films can be formed by spin coating photoresist onto silicon substrates and pyrolyzing at 1000 degrees C under reducing conditions. This work also shows that the electroless deposition of palladium and platinum may be accomplished in hydrofluoric acid solutions to attain palladium and platinum nanoparticles on a this film carbon surface for use as an electrode. Catalysis of these substrates is studied using hydrogen evolution in acidic media, cyclic voltammetry, and catalysis of formaldehyde. X-ray diffractometry (XRD) is used to ensure that there is little strain on palladium and platinum particles. Iridium is thought to be a prime candidate for investigation as a new generation copper diffusion barrier for the IC industry. Copper electrodeposition on iridium is studied to address the potential of iridium as a copper diffusion barrier. Copper electrodeposition ...
Date: December 2003
Creator: Chan, Raymond
Partner: UNT Libraries

Investigation of the Pressure Dependence of SO3 Formation

Description: The kinetics of the pressure dependent O + SO2 + Ar reaction have been investigated using laser photolysis resonance fluorescence at temperatures of 289 K, 399 K, 581 K, 699 K, 842 K and 1040 K and at pressures from 30-665 torr. Falloff was observed for the first time in the pressure dependence. Application of Lindemann theory yielded an Arrhenius expression of k(T) = 3.3 x 10-32exp(-992/T) cm6 molecule-1 s-1 for the low pressure limit and k(T) = 8.47 x 10-14exp(-468/T) cm3 molecule-1 s-1 for the high pressure limit at temperatures between 289 and 842 K. The reaction is unusual as it possesses a positive activation energy at low temperature, yet at higher temperatures the activation energy is negative, illustrating a reaction barrier.
Date: December 2003
Creator: Naidoo, Jacinth
Partner: UNT Libraries

James Earl Rudder: A Lesson in Leadership

Description: This thesis is the about the life of Rudder. The emphasis of this work, however, is that Rudder was successful primarily because of his character and leadership style. Much of the study was drawn from primary sources. Secondary sources were also consulted. This thesis opens with a brief Introduction, which discusses the need for this work. Chapter 1 discusses Rudder's life prior to WW II, emphasizing particular characteristics that benefited his leadership ability. Chapter 2 examines the 2nd Ranger Battalion's transformation under Rudder's leadership and guidance. Chapter 3 chronicles the 2nd Ranger Battalion's assault on the Pointe du Hoc battery, ending in December 1944, when Col. Rudder was reassigned to the 109th Infantry Regiment. Moreover, the controversy surrounding the Ranger's mission is also examined in this chapter. Chapter 4 describes Col. Rudder's leadership with the 109th in the Battle of the Bulge. A chapter accounting Rudder's political career and leadership follows. Chapter 6 examines his term as chancellor and president of the Texas A&M University system, until his death in 1970, and the major institutional changes that he enacted during his tenure, which resulted in A&M becoming the respected research university it is today. This significance and recapitulation of Rudder's life and leadership will follow in the Conclusion.
Access: This item is restricted to UNT Community Members. Login required if off-campus.
Date: December 2003
Creator: Bean, Christopher B.
Partner: UNT Libraries

Job Embeddedness as a Predictor of Voluntary Turnover: Validation of a New Instrument

Description: Voluntary turnover has become a problem for many organizations in today's society. The cost of this turnover reaches beyond organizational impact, but also affects the employees themselves. For this reason, there has been a plethora of research conducted by both academicians and practitioners on the causes and consequences of voluntary turnover. The purpose of this study is to test the validity and generalizability of the job embeddedness model of voluntary turnover to the information technology (IT) industry. The IT field has been plagued with high turnover rates in recent years. In this study, the job embeddedness model (Mitchell et al., 2001) is applied to a population sample consisting of health care information technology employees.
Access: This item is restricted to UNT Community Members. Login required if off-campus.
Date: December 2003
Creator: Besich, John S.
Partner: UNT Libraries

Joy Harjo's Poetics of Transformation

Description: For Muscogee Creek poet Joy Harjo, poetry is a real world force that can empower the reader by utilizing mythic memory, recovery of history, and a spiral journey to regain communal identity. Her poetic career transforms from early lyric poems to a hybridized form of prosody, prose, and myth to accommodate and to reflect Harjo's concerns as they progress from personal, to tribal, and then to global. She often employs a witnessing strategy to combat the trauma caused by racism in order to create the possibility for renewal and healing. Furthermore, Harjo's poetry combats forces that seek to define Native American existence negatively. To date, Harjo's poetic works create a myth that will refocus humanity's attention on the way in which historical meaning is produced and the way difference is encountered. In an effort to revise the dominant stories told about Indians, Harjo privileges the idea that Native Americans are present and human, and it is this sense of humanity that pervades her poetry. Sequentially, Joy Harjo's volumes of poetry-She Had Some Horses (1983), In Mad Love and War (1990), and The Woman Who Fell from the Sky (1994)-create a regenerative cycle that combats the effects of oppressive history and racism. Through her poetry, violent and tragic events are transformed into moments of hope and renewal. Her collections are powerful testimonies of endurance and survival. They directly defy the stereotype of the "vanishing" or "stoic" Indian, but more importantly, they offer regeneration and grace to all peoples. The poems create a map to help navigate the multiple simultaneous realms of existence, to find a way to travel through the barriers that separate existence. In this dissertation, I employ various reading strategies to support my contentions. Blending a postcolonial standpoint with feminism, I believe Harjo uses a feminist ethnic bildungsroman to ...
Access: This item is restricted to UNT Community Members. Login required if off-campus.
Date: December 2003
Creator: Rose-Vails, Shannon
Partner: UNT Libraries

Knowledge and attitudes of preservice teachers towards students who are gay, lesbian, bisexual, or transgendered.

Description: The study used a survey design to ascertain the levels of knowledge and attitudes of special education and non-special education preservice and inservice teachers towards students with different sexual orientations. The results of this study are based on 408 responses from preservice and inservice teachers enrolled at seven institutions of higher education within North Carolina, Virginia, and the District of Columbia offering teacher training programs in regular and/or special education. Two previously developed instruments were used to measure dependent variables in this study. Koch's modified version of The Knowledge about Homosexuality Questionnaire developep by Harris, Nightengale & Owen was used to measure the dependent variable of the preservice and inservice teacher's knowledge about homosexuality. Herek's Attitudes Toward Lesbians and Gay Men (ATLG) measured the dependent variable of attitudes towards homosexuals. The study found no significant differences reported mean scores for knowledge or attitude of homosexuality among the teacher groups surveyed: (a) special education preservice teachers, (b) non-special education preservice teachers, (c) special education inservice teachers, and (d) non-special education inservice teachers. Neither gender nor age were found to be factors in measures of knowledge or attitude of preservice or inservice teachers. Receiving prior instruction in serving the needs of GLBT students, or with a focus GLBT issues, contributed to higher levels of knowledge and more positive attitudes. This research identified current levels of knowledge and attitudes of preservice and inservice teachers towards GLBT youth, and this information may help outline areas of possible changes necessary in teacher preparation programs, research, and policy.
Date: December 2003
Creator: Morgan, Daniel J.
Partner: UNT Libraries

Knowledge synthesis in the biomedical literature: Nordihydroguaiaretic acid and breast cancer.

Description: This dissertation refines knowledge synthesis from publicly accessible databases, based on the model of D.R. Swanson. Knowledge synthesis endeavors bring together two or more non-interactive literatures to create combinatorial research data on a specific topic. In this endeavor the biomedical literature was searched on the anti-neoplastic agent nordihydroguaiaretic acid (NDGA) for its potential role as a functional food in the chemoprevention of breast cancer. Bibliometric cocitation was utilized to identify complementary but non-interactive literatures in the disciplines of biomedicine and dietary science. The continuing specialization and fragmentation of the cancer literature degenerates the potential usefulness of cross-disciplinary research and information. As the biomedical sciences become more specialized the potential increases for isolation of discoveries and for failures to connect science to the needs of the people. Within the information science discipline several techniques are available to bridge the isolation between discoveries recorded in different sets of literatures. Electronic database searching with combinatorial keyword entries, syllogistic modeling and bibliometric author cocitation analysis are the principle techniques applied in this endeavor. The research questions are addressed to the absence or presence of human in vivo research on breast cancer with the potentially chemopreventative functional food NDGA. Utilizing a syllogistic model the literatures of functional foods, nordihydroguaiaretic acid and breast cancer were searched with designated combinatorial keywords. The documents retrieved were subjected to author cocitation analysis to demonstrate disjointness or connectivity of the two complementary literatures. The results demonstrated a possible preventative relationship between breast cancer in women and nordihydroguaiaretic acid, a phytochemical antioxidant and potential functional food. The results of this study are consistent with D.R. Swanson's pioneering work in knowledge synthesis. Swanson's methods can be used to identify non-interactive, disjoint literatures. Continuing support for his techniques has been demonstrated.
Date: December 2003
Creator: Sneed, Wanda A.
Partner: UNT Libraries

Management Tools for Prescribed Burning for Tallgrass Prairie Restoration at the Lewisville Lake Environmental Learning Area

Description: The Lewisville Lake Environmental Learning Area (LLELA) is a wildlife management area with tallgrass prairie, an endangered ecosystem. Essential ecosystem processes, especially fire, are part of restoration. To support fire management efforts at LLELA and surrounding areas, this project evaluated and developed tools for fire restoration. The four primary prairie grasses respond favorably to burning. Fuel loads and fuel models vary by scale and survey method. One- and 10-hour fuel moisture can be predicted using a statistical model; 100- and 1,000-hour fuel moisture cannot. Historic weather data suggests that burning can occur when it is most effective. The production of ozone precursors produced by burning is comparable to those emitted every six minutes by regional automobiles.
Date: December 2003
Creator: Moreno, Maria C.
Partner: UNT Libraries

Modeling of Land Use Change Effects on Storm Water Quantity and Quality in the City of Carrollton and the North Texas Area

Description: Development and population are rapidly increasing in urbanizing areas of North Texas and so is the need to understand changes in storm water runoff flow and its contamination by nutrients, sediment, pesticides and other toxicants. This study contributes to this understanding and has two primary components: first, development of a graphical user interface for a geographic information system and storm water management database, and second, performing a two-scale hydrological modeling approach (the US Corp of Engineers HEC-HMS model and the US Environmental Protection Agency SWMM model). Both primary components are used together as a toolkit to support the storm water management program of the City of Carrollton, located in North Texas. By focusing limited city resources, the toolkit helps storm water managers in the process of compliance with federal regulations, especially the National Pollution Discharge Elimination System permit, and provides guidance for reporting, planning and investigation. A planning example was conducted by modeling potential changes in storm water quality due to projections of land use based on the City of Carrollton's Comprehensive Plan. An additional component of this study is the evaluation of future changes in surface water quantity and quality in the North Central Texas area, specifically in a rural but rapidly urbanizing subbasin area of the greater Lake Lewisville watershed. This was accomplished using the US Corp of Engineers HEC-HMS hydrological model. Precipitation scenarios were derived from years of historically high, medium, and low annual precipitation. Development scenarios were derived from current land use in the Lake Lewisville sub basin, current land use in the city of Carrollton, and from Markov projections based on recent land use change calculated from satellite images of 1988 and 1999. This information is useful for future land use planning and management of water resources in North Texas.
Access: This item is restricted to UNT Community Members. Login required if off-campus.
Date: December 2003
Creator: Duncan, Phillip Brent
Partner: UNT Libraries

NCAA Division I Athletes Preferences for Coaching Behaviors

Description: The purpose of this study was to determine whether coaching behavior preferences of NCAA Division I athletes differ as a function of gender and type of sport. The Coaching Behavior Questionnare (CBQ; Martin & Barnes, 1999) was administered to 195 NCAA Division I athletes. Gender and sport type were the independent variables and the participant's mean scores for the subscales on the CBQ were the dependent variables. Descriptive statistics revealed that, overall, NCAA Division I athletes prefer positive and instructional behaviors more than non-responses or negative behaviors. A 2 (gender) x 3 (type of sport) MANOVA and follow-up discriminant function analysis indicated that coaching behavior preferences differed as a function of gender and type of sport played. Thus, NCAA Division I coaches should consider both individual and situational characteristics when working with their athletes to achieve the desired outcome.
Date: December 2003
Creator: Barnes, Kelly A.
Partner: UNT Libraries

Negotiating Environmental Relationships: Why Language Matters to Environmental Philosophy

Description: The medium of language is important to environmental philosophy, and more specifically, to the establishment and understanding of environmental relationships. The differences between animal and human language point to our unique semantic range, which results from our neuro-linguistic process of signification. An examination of the linguistic implications of the problem of nature and the tenets of semiotics challenges the idea of a clean word to world fit. Because signs are the medium in which meaning is constructed, questions about nature must in part be questions of language. Environmental discourse itself is bound up in sociolinguistic productions and we must attend not only to what language says, but to what it does. NEPA functions as a speech act that systematically invokes an ethical framework by which it colonizes the domain of valuation and fails to provide a genuine opportunity for non-commodity values to be expressed.
Date: December 2003
Creator: Martin, Vernon J.
Partner: UNT Libraries

Ninth grade student success: An analysis of a credit recovery program.

Description: The purpose of the study was to determine the extent to which a credit recovery program improved the academic success for high school freshmen. For the purpose of this study, academic success was defined as whether or not the student advanced from 9th to 10th grade. A total of 255 students from two junior high schools and one comprehensive high school were included in the study. Independent variables included program, gender, ethnicity, socioeconomic status, TAKS Reading/Language Arts results, and TAKS Mathematics results. A review of related literature provided background information regarding the issues surrounding high school freshmen, dropouts, grade retention, and effective intervention programs. This quantitative study utilized descriptive statistics and logistic regression to analyze the relationship between the independent variables and student success as measured by whether or not the student advanced from ninth to tenth grade. In addition, the study examined the odds of success if participating in the credit recovery program. Sources of data included Incomplete and Failure Listing, Ninth Grade Advisor Listing, Tenth Grade Advisory Listing, and the Student Roster-Fall Collection. The Ninth Grade Success Initiative Program Evaluation for Cycles 6, 7, and 9 provided the individual student results of participation in the program. Levels of significance were set at the .05 level. The findings of this study indicated that no statistically significant relationship existed between participation in the credit recovery program, gender, ethnicity, socioeconomic status, TAKS Reading/Language Arts results, TAKS Mathematics results, and advancing from 9th to 10th grade. It was concluded that further study would be needed to determine the most effective means for providing academic assistance to ninth grade students.
Date: December 2003
Creator: Christian, Fredelyn Walters
Partner: UNT Libraries

Outer Reaches of the Palindrome

Description: This work is an exploration into the palindrome, both as a literary form and an expression of infinity. The first two chapters address the fascinating manner in which the mind contextualizes fragments of speech and ludicrous grammatical implications that are spawned by the poetic structure of the palindrome (third chapter). The thesis then departs from the literary aspect of the palindrome and focuses in the fourth chapter on structural likenesses in psychology and mythology. The fifth chapter argues the palindrome and parallel conceptual structures as examples of recursion, then presents examples of recursion in language/grammar, art, and computer science. The sixth chapter uses instances of the recursive equiangular spiral throughout nature to introduce recursion and therefore the palindrome as an archetypal expression of infinity. The thesis ends with a list of the author's palindromes.
Date: December 2003
Creator: McConnell, Michael Constantine
Partner: UNT Libraries

Participation in a study-abroad program and persistence at a liberal arts university.

Description: This study used a quasi-experimental design with 1,237 students to investigate the association between participation in a study-abroad program and persistence at a liberal arts university. The theoretical basis for the study was Tinto's Theory of Individual Departure. The independent variable of interest, also known as the treatment, was participation in the University of Dallas Rome Program during the sophomore year. The control group consisted of students who were qualified to participate in the Rome Program, but chose not to do so. The dependent variable was the number of fall and spring semesters enrolled as an undergraduate at the University of Dallas post-treatment through spring 2003. Nine variables that measured background characteristics, academic integration, and social integration explained 3.8% of the variation in number of semesters enrolled post-treatment. Participation in the Rome Program explained an additional 4.2%. In all of the statistical measures examined in this study (incremental increase in R2, b weights, adjusted β weights, and structure coefficients), there was evidence of an important positive association between participation in the Rome Program and persistence. Based on the b weight in the regression equation, holding all other variables constant, students who participated in the Rome Program persisted on average .83 semesters longer post-treatment at the University of Dallas than those who did not go to Rome. Of the 1,007 students in this study who went to Rome, 96% were enrolled at the University of Dallas one semester after Rome participation and 91% were still enrolled after two semesters. This compared to 80% and 72%, respectively, for the 230 students in the control group. Of the 674 students in the study who went to Rome and had the opportunity to graduate within 4 years, 79% graduated within 4 years. This compared to 51% for the 123 students in the control group. ...
Date: December 2003
Creator: Young, Denise York
Partner: UNT Libraries

Partner abuse: Health consequences to women.

Description: Intimate partner violence is endemic in the United States. According to the American Medical Association (1992), one-fifth to one-third of women will sustain violence from a partner or ex-partner in their lifetime. The relevant literature was organized by ICD-9-CM categories. This study examined the health consequences of partner abuse in a sample of community women using a sample consisting of 564 women in three ethnic groups. Because prior research has failed to account for variations by type of abuse on health consequences, this study assessed psychological abuse, violence and sexual aggression by women's partners. To determine whether or not different types of abuse had an effect on women's health, hierarchical regression analyses were conducted. The regression equations were calculated for women within each ethnic group to facilitate identification of similarities and differences and to control for ethnic differences in risk for specific diseases. The results were consistent with past research on health consequences of abuse and extended the prior literature by showing that psychological abuse had a pervasive effect on health conditions, distress and use of health care resources. Additionally, ethnic differences emerged. As expected, ethnicity appeared to function as a moderator. Clinical implications and recommendations are made for future research, suggesting the development of a new assessment tool for partner abuse screening.
Access: This item is restricted to the UNT Community Members at a UNT Libraries Location.
Date: December 2003
Creator: Warren, Ann Marie
Partner: UNT Libraries

Perceiving Matter in Notes on Space, Undated (Log 3) by André du Bouchet, Fontfroide-le-Haut, Fata Morgana, 2000

Description: This study of the graphic field in notes on space, undated (log 3) focuses on how the white emptiness of a page plays a structural role in the articulation of dissociated fragments of notes. According to the criteria of three theorists (Genette, Lapacherie, Baetens), the distinction between non-linear and tabular proves to be non-exclusive in this particular work. Ostensibly, this non-figurative writing instigates interactive contemplation and lends itself to multiple entries, like an object one contemplates from every possible visual perspective without ever constructing a representation or image. The poetic form that du Bouchet explores renders perceptible the latent materiality of all text.
Date: December 2003
Creator: Simmons, Sandra
Partner: UNT Libraries

Perceptions of Parents of Postsecondary Education Students Concerning Parental Notification and Underage Alcohol Offenses

Description: Since the inception of the Higher Education Reauthorization Act of 1998 by the United States Congress, there has been limited research conducted on parental notification policies on campuses of Higher Education concerning alcohol and drug offenses committed by students. This study surveyed parents of incoming freshmen at the University of North Texas regarding their perceptions of Parental Notification policies and their perceptions of underage alcohol offenses by gender, age, ethnicity, and parental status. The relationship between parental notification and underage alcohol offenses was also examined. This study, conducted in the summer of 2002, at the University of North Texas had 539 respondents. An instrument developed to determine parental perceptions of underage alcohol use and parental notification consisted of 20 dichotomous questions. Chi-square tests of independence were used to analyze the data because it could calculate the relationships between two sets of nominal data. Data show that most parents want to be notified in all situations involving underage alcohol offenses and their offspring. Generally, parents do not believe their offspring will use alcohol underage as they enter college and that they are not binge drinkers. Females want to be notified about their student's underage alcohol offenses at a higher rate than males. Males want to be notified at a higher rate than females if using alcohol jeopardizes housing or enrollment in school for their student. Native Americans have great concern for their students in all areas of alcohol use and binge drinking. Parents should stay actively involved in the lives of their offspring as they attend institutions of higher education as well as stay involved with the University community in which their student attends.
Date: December 2003
Creator: Clouse, Maureen McGuinness
Partner: UNT Libraries

Performance Evaluation of Data Integrity Mechanisms for Mobile Agents

Description: With the growing popularity of e-commerce applications that use software agents, the protection of mobile agent data has become imperative. To that end, the performance of four methods that protect the data integrity of mobile agents is evaluated. The methods investigated include existing approaches known as the Partial Result Authentication Codes, Hash Chaining, and Set Authentication Code methods, and a technique of our own design, called the Modified Set Authentication Code method, which addresses the limitations of the Set Authentication Code method. The experiments were run using the DADS agent system (developed at the Network Research Laboratory at UNT), for which a Data Integrity Module was designed. The experimental results show that our Modified Set Authentication Code technique performed comparably to the Set Authentication Code method.
Access: This item is restricted to UNT Community Members. Login required if off-campus.
Date: December 2003
Creator: Gunupudi, Vandana
Partner: UNT Libraries