Degree Level

Light From Behind the Iron Curtain: Anti-Collectivist Style in Edison Denisov's Quatre Pièces pour flûte et piano, With Three Recitals of Selected Works by Bach, Beaser, Carter, Fauré, Martin, Ibert, Liebermann, and Others (open access)

Light From Behind the Iron Curtain: Anti-Collectivist Style in Edison Denisov's Quatre Pièces pour flûte et piano, With Three Recitals of Selected Works by Bach, Beaser, Carter, Fauré, Martin, Ibert, Liebermann, and Others

An examination of the compositional style illustrative of the anti-collectivist ideology as found in Edison Denisov's Quatre Pièces pour flûte et piano. Includes a short history of Denisov's formal training, history of the Soviet musical environment, an overview of his creative output, and discussion of the anti-collectivist characteristics in his works. Defines the anti-collectivist doctrine as individual reaction to the totalitarian collective of the Soviet communist state of the twentieth century. Identification of eclectic compositional techniques, and how they represent individual expression under a totalitarian regime. Listing of Denisov's works with the flute in a primary role, interviews with Aurèle Nicolet and Ekaterina Denisov, correspondence from Denisov to Nicolet, and the manuscript score to Quatre Pièces pour flûte et piano follow as appendices.
Date: August 2000
Creator: Luce, Brian
System: The UNT Digital Library
Evaluation of a Master of Divinity Program in a Theological Seminary (open access)

Evaluation of a Master of Divinity Program in a Theological Seminary

The objective of this research project was to evaluate the effectiveness of the M.Div. program of Alliance Bible Seminary, Hong Kong. The research was designed for evaluation based solely upon the perceptions of the participant (graduate). The research identified and described the graduates enrolled, assessed perceived career development and attainment, and measured the degree of satisfaction experienced by the graduates who have matriculated from the degree program. A questionnaire was mailed to obtain the necessary data from the graduates of the M.Div. program of Alliance Bible Seminary. The questionnaire which was used was adapted from a previously used one used in the study of graduate educational programs. It has been tested in two other previous studies and was deemed effective. In order to verify its effectiveness in the Eastern context, a pilot test was conducted before the formal research, and the adapted questionnaire was found effective. Responses to the questionnaire were coded and the SPSS system was used to analyze the data. Tables and figures were constructed showing frequencies and significant differences where they occurred. Generally, the graduates at Alliance Bible Seminary were very satisfied with their educational experiences. Both males and females indicated that they would choose the same …
Date: December 2000
Creator: Lui, Cheuk-On
System: The UNT Digital Library
Teachers' and Students' Perceptions of the Impact of Content Literacy Strategy Instruction on Teaching and Learning (open access)

Teachers' and Students' Perceptions of the Impact of Content Literacy Strategy Instruction on Teaching and Learning

Reading researchers agree that content literacy strategies are beneficial in helping students learn. However, teachers remain resistant to teaching the strategies. Additionally, many students, even at the college level, lack the learning strategies necessary to experience academic success. This study sought to gain a deeper understanding of the complexities of content literacy strategy instruction. The research questions that guided the study addressed the benefits, obstacles, and support and experiences needed to sustain the use of the strategies over time. Multiple data sources were used to investigate teachers' and students' perceptions of the research questions. The main benefit found was increased student understanding and learning of content; additional benefits included increased instructional repertoire, increased student engagement in class, and improved learner independence. Most of the obstacles documented in the literature were supported in the study; however, the obstacle of time was noted most frequently. Teacher confidence was observed by the researcher as an obstacle. The majority of participants indicated they would continue using the strategies learned during the study in the future. Students noted the support needed to sustain content literacy strategy use depended on teachers providing direct instruction, practice using the strategies, and personal success with the strategies. Teachers also …
Date: December 2000
Creator: Maher, Sheila
System: The UNT Digital Library
Retention and Attrition of Doctoral Candidates in Higher Education (open access)

Retention and Attrition of Doctoral Candidates in Higher Education

A number of studies have been conducted on the attrition rates of undergraduate and graduate students. However, the body of knowledge concerning attrition for doctoral students, especially those who have attained the level of “all but dissertation” (ABD), is limited. The purpose of this research was to examine retention and attrition factors of doctoral candidates from a typical Higher Education Doctoral Program (Research II Public Institution) who were admitted to candidacy from 1991 through July 2000. Participation of the subject population was limited to those who had attained the level of ABD--those who had previously fulfilled the residency, coursework, foreign language or tool-subject requirements, and successfully completed the comprehensive/qualifying exams. This population included current ABDs, previously attrited ABDs, and graduates of the degree program. The research study was qualitative and intended to identify the effect of specific, predetermined factors that may have influenced or affected the progress of current, previous, and graduated students towards the doctoral degree in higher education. This study obtained responses to questions from the questionnaire/survey instrument concerning factors that affected program completion or attrition. Students had the opportunity to elaborate on factors from their dissertation, advisement, and personal, financial, and employment experiences that affected their ability …
Date: December 2000
Creator: Malmberg, Eric D.
System: The UNT Digital Library
Child-Centered Group Play Therapy with Children Experiencing Adjustment Difficulties (open access)

Child-Centered Group Play Therapy with Children Experiencing Adjustment Difficulties

This research study investigated the effectiveness of child-centered group play therapy with children experiencing adjustment difficulties. Specifically, this study determined the effectiveness of child-centered group play therapy in: (a) improving self-concept, (b) reducing externalizing, internalizing, and overall behavior problems, (c) enhancing emotional and behavioral adjustment to the school environment, and (d) increasing self-control of kindergarten children experiencing adjustment difficulties. Also investigated were child-centered group play therapy effects on reducing parenting stress of the parents of kindergarten children experiencing adjustment difficulties. The experimental group consisted of 15 kindergarten children who received one 40-minute child-centered group play therapy session per week, for twelve weeks. Group facilitators were play therapists who were doctoral students at the University of North Texas. The control group consisted of the 14 kindergarten students that had been assigned to the control group in Baggerly's (1999) study. Before the group play therapy sessions began and after termination of the sessions: the researchers administered the Joseph Pre-School and Primary Self-Concept Screening Test; parents completed the Child Behavior Checklist-Parent Report, Self-Control Rating Scale, Filial Problem Checklist, and Parenting Stress Index; and teachers completed the Child Behavior Checklist-Teacher Report, Early Childhood Behavior Scale, and Self-Control Rating Scale. Although the general results of …
Date: August 2000
Creator: McGuire, Donald E.
System: The UNT Digital Library
Maximum-Sized Matroids with no Minors Isomorphic to U2,5, F7, F7¯, OR P7 (open access)

Maximum-Sized Matroids with no Minors Isomorphic to U2,5, F7, F7¯, OR P7

Let M be the class of simple matroids which do not contain the 5-point line U2,5 , the Fano plane F7 , the non-Fano plane F7- , or the matroid P7 , as minors. Let h(n) be the maximum number of points in a rank-n matroid in M. We show that h(2)=4, h(3)=7, and h(n)=n(n+1)/2 for n>3, and we also find all the maximum-sized matroids for each rank.
Date: May 2000
Creator: Mecay, Stefan Terence
System: The UNT Digital Library

An inquiry into the factors influencing the development of the field of Behavior Disorders: A qualitative approach

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This dissertation has explored the origins of the field of Behavioral Disorders via a qualitative approach. In order to collect data, interviews were conducted with respondents who were selected via purposeful sampling. All respondents have had a significant impact on the field of special education as evidenced by scholarship and leadership throughout their careers. Data analysis of the interview transcriptions was accomplished through the utilization of computer software. The data indicated six areas/topics that were seen among respondents as being significant to the development of the field of Behavioral Disorders.
Date: August 2000
Creator: Menendez, Anthony L.
System: The UNT Digital Library
The Impact of Conservative Protestantism upon The Time Fathers Spend with Their Children (open access)

The Impact of Conservative Protestantism upon The Time Fathers Spend with Their Children

This research was concerned with the possible effects that religion, especially conservative Protestantism, has upon the performance of fatherhood. The influence of religion was assessed using the religious beliefs reported by fathers. The performance of fatherhood focused on the amount of time fathers spent meeting the physical needs of their young children. This research hypothesized that conservative Protestant fathers would spend more time meeting their children's physical needs than other Protestant fathers. Also hypothesized was that the level of conservative Protestant beliefs held by fathers is positively related to the proportion of time they spent meeting the physical needs of their children out of the total time spent by fathers and mothers combined. Finally, it was hypothesized that the level of conservative Protestant beliefs held by fathers was positively related to their membership in conservative religious denominations. In order to test whether conservative Protestantism has an effect upon the amount of time that fathers spend meeting the physical needs of their young children, this study will used data from the first wave of the National Survey of Families and Households (NSFH), completed in 1988. Regression analysis was used to test the first two hypotheses and crosstabulation analysis was used to …
Date: December 2000
Creator: Miller, Mark Sheldon
System: The UNT Digital Library
Comparison of Computer Testing versus Traditional Paper and Pencil Testing (open access)

Comparison of Computer Testing versus Traditional Paper and Pencil Testing

This study evaluated 227 students attending 12 classes of the Apprentice Medical Services Specialist Resident Course. Six classes containing a total of 109 students took the Block One Tests in the traditional paper and pencil form. Another six classes containing a total of 118 students took the same Block One Tests on computers. A confidence level of .99 and level of signifi­cance of .01 was established. An independent samples t-test was conducted on the sample. Additionally, a one-way analysis of variance was performed between the classes administered the Block One Tests on computers. Several other frequencies and comparisons of Block One Test scores and other variables were accomplished. The variables examined included test versions, shifts, student age, student source, and education levels. The study found no significant difference between test administration modes. This study concluded that computer-administering tests identical to those typically administered in the traditional paper and pencil manner had no significant effect on achievement. It is important to note, however, that the conclusion may only be valid if the computer-administered test contains exactly the same test items, in the same order and format, with the same layout, structure, and choices as the traditional paper and pencil test. In …
Date: August 2000
Creator: Millsap, Claudette M.
System: The UNT Digital Library

Social Skills and Problem Behavior Assessment of General and Special Education Vocational Students

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The purpose of this study was to analyze students' specific ITP-related social skills goals, student self-reported social skills, and the relationship between teacher and employer ratings of vocational students social skills and problem behaviors. This study examined (48) vocational students, (24) general education vocational students and (24) special education vocational students in grades nine through twelve. The students' vocational teachers and employers also participated in the study. This represented (144) individual assessment of social skills and problem behaviors utilizing the Social Skills Rating System -Student version (SSRS-S) and the Social Skills Rating System Teachers -version (SSRS-T). The findings indicated no specific social skill goals were deliminated in the students' ITP's. However, the findings did indicate the general education vocational students rated themselves higher, on average, on the empathy subscale than did the special education students. The analysis of data comparing standardized social skill scores, social skill subscale scores, standardized problem behavior scores, and standardized problem behavior subscale scores between teachers and employers for general and special education vocational students indicated employers rated special education students higher on the cooperation subscale only. No other differences were found.
Date: August 2000
Creator: Monahan, Michael
System: The UNT Digital Library

Alternative Information Processing Formats for Overcoming Information Processing Deficits in Senior Adults

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The objective of this study was to examine the effectiveness of alternative advertising presentation formats, and the quantity of information presented in advertisements in overcoming possible information-processing deficits in senior adults that could affect their recall of ad attributes and brand name, the cognitive responses generated, and attitude toward the ad. In addition, the study examined the effectiveness of retirement status as a classification or segmentation variable in comparison with the use of the more traditional classification variable, chronological age. A convenience sample of senior adult volunteers from church groups, social clubs, and civic organizations from the local area were randomly assigned to one of nine experimental conditions. The experiment utilized a simulated magazine to test the effects of presentation formats (3 levels), and quantity of information (3 levels) on senior adult's recall, cognitive responses and attitude toward the test ads. Covariates (gender, wealth, education, activity level, health, and income) were used to reduce variance. The findings clearly indicate that the presentation format of the can ad adversely affected the memory of some senior adults. In addition, the results were significantly different across the different age levels. Retirement status was less beneficial than chronological age in the current study, but …
Date: December 2000
Creator: Muller, Lynn F.
System: The UNT Digital Library
Students' Criteria for Course Selection: Towards a Metadata Standard for Distributed Higher Education (open access)

Students' Criteria for Course Selection: Towards a Metadata Standard for Distributed Higher Education

By 2007, one half of higher education students are expected to enroll in distributed learning courses. Higher education institutions need to attract students searching the Internet for courses and need to provide students with enough information to select courses. Internet resource discovery tools are readily available, however, users have difficulty selecting relevant resources. In part this is due to the lack of a standard for representation of Internet resources. An emerging solution is metadata. In the educational domain, the IEEE Learning Technology Standards Committee (LTSC) has specified a Learning Object Metadata (LOM) standard. This exploratory study (a) determined criteria students think are important for selecting higher education courses, (b) discovered relationships between these criteria and students' demographic characteristics, educational status, and Internet experience, and (c) evaluated these criteria vis-à-vis the IEEE LTSC LOM standard. Web-based questionnaires (N=209) measured (a) the criteria students think are important in the selection of higher education courses and (b) three factors that might influence students' selections. Respondents were principally female (66%), employed full time (57%), and located in the U.S. (89%). The chi square goodness-of-fit test determined 40 criteria students think are important and exploratory factor analysis determined five common factors among the top 21 …
Date: August 2000
Creator: Murray, Kathleen R.
System: The UNT Digital Library
Body Matters: Gary Snyder, The Self and Ecopoetics (open access)

Body Matters: Gary Snyder, The Self and Ecopoetics

Gary Snyder has offered, in poems and essays, ways to acknowledge the interrelationships of humans with the more-than-human. He questions common notions of selfness as well as understandings of what it is to be human in relationship to other species and ecosystems, and he offers new paradigms for the relationship between cultures and the ecosystems in which these cultures reside. These new paradigms are rooted in a reevaluation of our attitudes toward our physical bodies which impacts our relationship to the earth and raises new possibilities for an ecological spirituality or philosophy. The sum of Snyder's endeavors is a foundation for an understanding of ecopoetics. Snyder's poem "The Trail is Not a Trail" is an interesting place to begin examining how human perceptions of the self are central to the kinds of relationships that humans believe are possible between our species and everything else. In this poem there is a curious fusion of the speaker and the trail. In fact, with each successive line they become increasingly difficult to separate. The physical self is central to Snyder's poetry because his is a poetry of the self physically rooted in ever-shifting relationship with the biosphere. The relationship of the self to …
Date: May 2000
Creator: Murray, Matthew
System: The UNT Digital Library
The Impact of Unresolved Loss on Adolescent Anger and Defiant Behavior (open access)

The Impact of Unresolved Loss on Adolescent Anger and Defiant Behavior

This study examines the impact of issues of loss on adolescents. It was hypothesized that adolescents who experienced incidents of loss which were not adequately supported or processed to the point of resolution are much more likely to exhibit more angry and defiant behaviors than those who did not have such life experiences. Three instruments were used to identify loss and related impact. The first is the Interview Process, designed to identify issues of loss and screen for problematic behavior. This tool is used to qualify the participant for the study, and to designate which study group the participant will be assigned. The Family Constellation Exercise is an experiential assessment tool that exemplifies how emotionally close or distant the participant feels in relation to his or her nuclear family members. The Minnesota Multiphasic Personality Assessment - Adolescent version (MMPI-A) is used to identify behaviors and thought patterns associated with anger and defiance.The study was able to conclude that there is a strong potential for unresolved loss to negatively impact an adolescent. The study also discovered that many teenagers who do not exhibit angry or defiant behaviors have also experienced loss, yet do not act out anger. Suggestions are made as …
Date: August 2000
Creator: Myers, Janell
System: The UNT Digital Library

A Data Fusion Framework for Floodplain Analysis using GIS and Remotely Sensed Data

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Throughout history floods have been part of the human experience. They are recurring phenomena that form a necessary and enduring feature of all river basin and lowland coastal systems. In an average year, they benefit millions of people who depend on them. In the more developed countries, major floods can be the largest cause of economic losses from natural disasters, and are also a major cause of disaster-related deaths in the less developed countries. Flood disaster mitigation research was conducted to determine how remotely sensed data can effectively be used to produce accurate flood plain maps (FPMs), and to identify/quantify the sources of error associated with such data. Differences were analyzed between flood maps produced by an automated remote sensing analysis tailored to the available satellite remote sensing datasets (rFPM), the 100-year flooded areas "predicted" by the Flood Insurance Rate Maps, and FPMs based on DEM and hydrological data (aFPM). Landuse/landcover was also examined to determine its influence on rFPM errors. These errors were identified and the results were integrated in a GIS to minimize landuse / landcover effects. Two substantial flood events were analyzed. These events were selected because of their similar characteristics (i.e., the existence of FIRM or …
Date: August 2000
Creator: Necsoiu, Dorel Marius
System: The UNT Digital Library

The Relationship of Self-Monitoring to Team Leader Flexibility and Work Environment Preference

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This research explores the relationship of self-monitoring with team leader behavior and work environment preference. Those who are high on self-monitoring demonstrate flexibility in their actions with others and are socially perceptive. They perform well in a variety of leadership positions and are viewed as leaders by group members. High self-monitoring types choose "socially" based careers, including teacher and psychologist, in which they adapt their interaction styles to effectively meet the demands of clients. The demands placed on a team leader appear to require similar characteristics to those that high self-monitoring individuals possess. As a team matures through different stages of development, the role of the leader ranges from director to facilitator to consultant. In order to effectively meet team needs, a leader must be socially sensitive to interpersonal cues and have the ability to assume various roles. In addition, given the fact that the position of team leader is a highly social type of career that requires behaviors similar to careers chosen by high self-monitoring individuals, it is likely that high self-monitors would prefer working in a team work environment over a traditional one. A survey methodology was used to assess the characteristics of 100 team members. No relationship …
Date: August 2000
Creator: Nichols, Judith Ann
System: The UNT Digital Library
Creating a Criterion-Based Information Agent Through Data Mining for Automated Identification of Scholarly Research on the World Wide Web (open access)

Creating a Criterion-Based Information Agent Through Data Mining for Automated Identification of Scholarly Research on the World Wide Web

This dissertation creates an information agent that correctly identifies Web pages containing scholarly research approximately 96% of the time. It does this by analyzing the Web page with a set of criteria, and then uses a classification tree to arrive at a decision. The criteria were gathered from the literature on selecting print and electronic materials for academic libraries. A Delphi study was done with an international panel of librarians to expand and refine the criteria until a list of 41 operationalizable criteria was agreed upon. A Perl program was then designed to analyze a Web page and determine a numerical value for each criterion. A large collection of Web pages was gathered comprising 5,000 pages that contain the full work of scholarly research and 5,000 random pages, representative of user searches, which do not contain scholarly research. Datasets were built by running the Perl program on these Web pages. The datasets were split into model building and testing sets. Data mining was then used to create different classification models. Four techniques were used: logistic regression, nonparametric discriminant analysis, classification trees, and neural networks. The models were created with the model datasets and then tested against the test dataset. Precision …
Date: May 2000
Creator: Nicholson, Scott
System: The UNT Digital Library

The Interface of Personality Processes and Cognitive Abilities: A Comparative Study of Elderly and Young Adults

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Although research has shown that the complex constructs of intelligence and personality are necessarily intertwined, studies exploring this issue in elderly individuals are rare. The importance attached to this interface in older adults becomes particularly clear in light of the debate over the cause and extent of age-related decrements in cognitive performance as well as whether such losses can be ameliorated or not, especially given societal shifts toward increased life expectancies. The present study explored the basis for shifts in personality-ability relationships in adulthood by comparing two samples of older adults, one of which was assessed in 1975 (N = 102, M age = 68.4), and the second of which was assessed in 1995 (N = 100, M age = 72.0), and a sample of younger adults (N = 100, M age = 21.8), also assessed in 1995. Each participant was administered the Holtzman Inkblot Technique and the Gf-Gc Sampler, a measure of crystallized (Gc) and fluid (Gf) abilities. LISREL analyses of both age-related and historical shifts in personality-ability relationships suggested that not only were such shifts associated with cohort differences as reflected in factor loading (lambda) differences between the older samples and the younger sample, as well as between …
Date: August 2000
Creator: O'Brien, Dina Paige Ragow
System: The UNT Digital Library
Economic Development, Social Dislocation and Political Turmoil in Sub-Saharan Africa: A Pooled Time-Series Analysis and a Test of Causality (open access)

Economic Development, Social Dislocation and Political Turmoil in Sub-Saharan Africa: A Pooled Time-Series Analysis and a Test of Causality

This study focuses on economic development and political turmoil in post-independence Sub-Saharan Africa. There has been a resurgence of interest in the region following the end of the Cold War. In 1997 U.S. president Bill Clinton took a 12-day tour of the region. In 1999 the U.S. Congress (106th Congress) passed the Growth and Opportunity Act and the Hope for Africa Act, designed to encourage political stability and economic development in the region. Although most Sub-Saharan African countries attained independence from colonial rule in the 1960s, more than 30 years of self-government have brought little economic development and political stability to the region. This study attempts to analyze, theoretically and empirically, the relationship among economic development, social dislocation and political turmoil. Social dislocation, as defined in this study, means "urbanization," and it is used as an exogenous variable to model and test the hypothesized causal relationship between economic development and political turmoil. This study employs pooled cross-sectional time-series and seemingly unrelated regression analyses, as well as Granger-causality, to examine the hypothesized relationships and causality in 24 Sub-Saharan African countries from 1971 to 1995. The results confirm the classical economic development theory's argument that an increase in economic development leads to …
Date: December 2000
Creator: Obi, Zion Ikechukwu
System: The UNT Digital Library
The United States Supreme Court's Volitional Agendas, 1801-1993: Historical Claims versus Empirical Findings (open access)

The United States Supreme Court's Volitional Agendas, 1801-1993: Historical Claims versus Empirical Findings

In this study, I examined the Supreme Court's agenda from 1801 to 1993 to determine the composition and dynamics of the issues that have dominated the business of the Court. Specifically, I set out to test empirically Robert G. McCloskey's (now standard) characterization of the Supreme Court's history, which sees it as dominated by nationalism/federalism issues before the Civil War, by economic issues just after the War through the 1930s, and by civil rights and liberties since the 1930s. The question that drove my investigation was "Is McCloskey's interpretation, which appears to be based on the great cases of Supreme Court history, an accurate description of the agenda represented in the Supreme Court's total body of reported decisions?" To test McCloskey's historical theses I employed concepts adapted from Richard Pacelle's (1991) important work on the agenda of post-Roosevelt Court and used the methods of classical historical analysis and of interrupted time-series analysis. Data for my research came from existing datasets and from my own collection (I coded the manifest content of thousands of Supreme Court's decisions from 1887 back to 1801). The most important finding from my analyses is that McCloskey not withstanding, the pre-Civil War Supreme Court's agenda was …
Date: May 2000
Creator: Ogundele, Ayodeji O.
System: The UNT Digital Library
Perceived Attractiveness and Personality Attributes: A Gender and Racial Analysis (open access)

Perceived Attractiveness and Personality Attributes: A Gender and Racial Analysis

Subjects rated 12 female body shapes with respect to their physical attractiveness, and the extent to which they would be expected to possess various personality characteristics. The shapes were varied using 3 levels of overall weight and 4 levels of body shapeliness. The sample was modified to control for socioeconomic factors and results are based on 297 undergraduates from Caucasian, African American, and Hispanic racial backgrounds. Loglinear analyses revealed that men and women, regardless of racial background, rated shapely underweight females as most physically attractive, sexy, and ideal for a woman, followed by normal weight figures of similar proportion. African Americans, women in particular, judged the shapely normal weight figures more favorably than the other subjects. Multidimensional scaling and subsequent frequency analyses showed that those figures judged as most attractive, sexy, and ideal were also expected to be fairly emotionally stable, and most successful and interpersonally competitive, but least faithful, kind, and family-oriented. Overweight female shapes, while rated as least physically attractive, sexy, and emotionally stable, were expected to be most family-oriented, kind, and faithful. Shapely normal weight figures were judged to be attractive and sexy, and were assumed to possess a moderate amount of the personality traits in question. …
Date: May 2000
Creator: Olby, Brian C.
System: The UNT Digital Library
The Home Mortgage Interest Deduction for Federal Income Tax: A Federalist Perspective (open access)

The Home Mortgage Interest Deduction for Federal Income Tax: A Federalist Perspective

The debate over federal income tax treatment of home mortgage interest (HMI) has largely overlooked an important, and possibly unintended political and economic consequence of our federal income tax system. The distribution of the for home mortgage interest deduction tax benefit across states is a possible missing consideration. Specifically, this study offers a federalist1 perspective on the federal income tax benefit from the deduction for HMI - one of the largest personal federal tax expenditures on the books. This dissertation analyzes current national political rhetoric from a federalist perspective. Discussion also includes background, current status, and proposed changes to the tax code for of the HMI deduction. First, a Tobit regression is used to analyze the distribution of the HMI tax benefit across states and to test for disproportionate distribution across states in benefit derived from the federal income tax deduction for home mortgage interest beyond that which is explained by income. This initial part of the study is also the precursor to a hierarchical analysis seeking to identify significant factors affecting the distribution of the benefit of the HMI deduction across states. The Ernst and Young/University of Michigan Individual Model File of 1992 tax returns is the primary data …
Date: August 2000
Creator: Ortiz, Dennis S.
System: The UNT Digital Library
Identifying At-Risk Students: An Assessment Instrument for Distributed Learning Courses in Higher Education (open access)

Identifying At-Risk Students: An Assessment Instrument for Distributed Learning Courses in Higher Education

The current period of rapid technological change, particularly in the area of mediated communication, has combined with new philosophies of education and market forces to bring upheaval to the realm of higher education. Technical capabilities exceed our knowledge of whether expenditures on hardware and software lead to corresponding gains in student learning. Educators do not yet possess sophisticated assessments of what we may be gaining or losing as we widen the scope of distributed learning. The purpose of this study was not to draw sweeping conclusions with respect to the costs or benefits of technology in education. The researcher focused on a single issue involved in educational quality: assessing the ability of a student to complete a course. Previous research in this area indicates that attrition rates are often higher in distributed learning environments. Educators and students may benefit from a reliable instrument to identify those students who may encounter difficulty in these learning situations. This study is aligned with research focused on the individual engaged in seeking information, assisted or hindered by the capabilities of the computer information systems that create and provide access to information. Specifically, the study focused on the indicators of completion for students enrolled in …
Date: May 2000
Creator: Osborn, Viola
System: The UNT Digital Library

A Study of Graphically Chosen Features for Representation of TREC Topic-Document Sets

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Document representation is important for computer-based text processing. Good document representations must include at least the most salient concepts of the document. Documents exist in a multidimensional space that difficult the identification of what concepts to include. A current problem is to measure the effectiveness of the different strategies that have been proposed to accomplish this task. As a contribution towards this goal, this dissertation studied the visual inter-document relationship in a dimensionally reduced space. The same treatment was done on full text and on three document representations. Two of the representations were based on the assumption that the salient features in a document set follow the chi-distribution in the whole document set. The third document representation identified features through a novel method. A Coefficient of Variability was calculated by normalizing the Cartesian distance of the discriminating value in the relevant and the non-relevant document subsets. Also, the local dictionary method was used. Cosine similarity values measured the inter-document distance in the information space and formed a matrix to serve as input to the Multi-Dimensional Scale (MDS) procedure. A Precision-Recall procedure was averaged across all treatments to statistically compare them. Treatments were not found to be statistically the same and …
Date: May 2000
Creator: Oyarce, Guillermo Alfredo
System: The UNT Digital Library