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A Comparison of Five Robust Regression Methods with Ordinary Least Squares: Relative Efficiency, Bias and Test of the Null Hypothesis

Description: A Monte Carlo simulation was used to generate data for a comparison of five robust regression estimation methods with ordinary least squares (OLS) under 36 different outlier data configurations. Two of the robust estimators, Least Absolute Value (LAV) estimation and MM estimation, are commercially available. Three authormodified variations on MM were also included (MM1, MM2, and MM3). Design parameters that were varied include sample size (n=60 and n=180), number of independent predictor variab… more
Access: Restricted to UNT Community Members. Login required if off-campus.
Date: August 2001
Creator: Anderson, Cynthia, 1962-
Item Type: Refine your search to only Thesis or Dissertation
open access

The Occupational Aspirations and Expectations of Students Majoring In Jazz Studies At The University Of North Texas

Description: The purpose of this study was to identify the occupational aspirations and expectations of students majoring in jazz studies, and to investigate relationships between students' aspirations, expectations and selected variables including significant others, choice of school, instrument type, academic achievement, academic level, socioeconomic status, age, gender, and early jazz experience. All jazz studies majors enrolled at the University of North Texas during the Spring 2001 academic semester … more
Date: August 2001
Creator: Ramnunan, Karendra Devroop
Item Type: Refine your search to only Thesis or Dissertation
open access

An Investigation of Relationships Between Teacher and Administrator Knowledge and Perception of the Texas Assessment of Academic Skills and Student Performance

Description: The purpose of this study was to (1) gather information regarding knowledge of TAAS and perceptions (attitudes) about TAAS (excluding the current battery of End of Course Tests) from teachers and administrators; (2) relate teacher and administrator knowledge and perceptions of the test to student test performance as reported in the Academic Excellence Indicator System (AEIS) Reports. Answers to the following questions were sought: 1. To what extent do teachers and administrators possess differ… more
Date: August 2001
Creator: Newton, William Frazier
Item Type: Refine your search to only Thesis or Dissertation
open access

A mechanism for richer representation of videos for children: Calibrating calculated entropy to perceived entropy

Description: This study explores the use of the information theory entropy equation in representations of videos for children. The calculated rates of information in the videos are calibrated to the corresponding perceived rates of information as elicited from the twelve 7 to 10 year old girls who were shown video documents. Entropy measures are calculated for several video elements: set time, set incidence, verbal time, verbal incidence, set constraint, nonverbal dependence, and character appearance. As hy… more
Date: August 2001
Creator: Kearns, Jodi
Item Type: Refine your search to only Thesis or Dissertation

Richard Thompson Archer and the Burdens of Proprietorship: The Life of a Natchez District Planter

Description: In 1824 a young Virginia aristocrat named Richard Thompson Archer migrated to Mississippi. Joining in the boom years of expansion in the Magnolia State in the 1830s, Archer built a vast cotton empire. He and his wife, Ann Barnes, raised a large family at Anchuca, their home plantation in Claiborne County, Mississippi. From there Richard Archer ruled a domain that included more than 500 slaves and 13,000 acres of land. On the eve of the Civil War he was one of the wealthiest men in the South. T… more
Access: Restricted to the UNT Community Members at a UNT Libraries Location.
Date: December 2001
Creator: Hammond, Carol D.
Item Type: Refine your search to only Thesis or Dissertation

East Meets West: Nationalistic Elements in Selected Piano Solo Works of Chen Yi

Description: Since the founding of "New China" in 1949, the musical culture has undergone numerous periods of identity crisis, particularly during the ten-year "Cultural Revolution," due to the fact that music had always been used to serve the needs of political propaganda. Even the development of a "National Style" encouraged by the central government was a political "brainchild" under the socialist ideology. Nevertheless, professional musicians struggled to create a new path in musical composition while w… more
Access: Restricted to the UNT Community Members at a UNT Libraries Location.
Date: August 2001
Creator: Li, Songwen
Item Type: Refine your search to only Thesis or Dissertation
open access

Quality improvement in physical therapy education: What contributes to high first-time pass rates on the National Physical Therapy Examination?

Description: The purposes for this study were: (a) to establish benchmark metrics for selected variables related to characteristics of physical therapy education programs; and (b) to determine how well a subset of the variables predicted group membership based on first-time pass rates (FTPRs) on the National Physical Therapy Examination (NPTE). The population was defined as all physical therapy programs in the United States and Puerto Rico accredited by the Commission on Accreditation in Physical Therapy Ed… more
Date: May 2001
Creator: Palmer, Phillip B.
Item Type: Refine your search to only Thesis or Dissertation
open access

An entropic approach to the analysis of time series.

Description: Statistical analysis of time series. With compelling arguments we show that the Diffusion Entropy Analysis (DEA) is the only method of the literature of the Science of Complexity that correctly determines the scaling hidden within a time series reflecting a Complex Process. The time series is thought of as a source of fluctuations, and the DEA is based on the Shannon entropy of the diffusion process generated by these fluctuations. All traditional methods of scaling analysis, instead, are base… more
Date: December 2001
Creator: Scafetta, Nicola
Item Type: Refine your search to only Thesis or Dissertation
open access

Investigations of neuronal network responses to electrical stimulation in murine spinal cultures.

Description: Spontaneous activity in neuronal networks in vitro is common and has been well documented. However, alteration of spontaneous activity in such networks via conditioning electrical stimulation has received much less experimental attention. Two different patterns of electrical stimulation were used to enhance or depress the level of spontaneous activity in spinal cord cultures. High-frequency stimulation (HFS), a method routinely shown to increase the efficacy of synaptic transmission, was employ… more
Date: December 2001
Creator: Sparks, Christopher A.
Item Type: Refine your search to only Thesis or Dissertation
open access

A Performer's Analysis of Lili Boulanger's Clairières dans le ciel: Song Cycle for High Voice and Piano; a Lecture Recital Together with the Role of Blanche in Dialogues of the Carmelites by F. Poulenc and Two Recitals of Selected Works by H. Purcell, F. Schubert, S. Prokofieff, E. Chausson, W. A. Mozart, R. Schumann and G. Fauré

Description: Lili Boulanger was an important composer of early twentieth century French music. Her compositional style represents a development and mastery of musical techniques of the great composers of her time including Fauré, Debussy and Wagner combined with her own creative expression. The result is a compelling musical language that was uniquely her own. She held an important place among her contemporaries in Paris and her accomplishments were considered newsworthy during her lifetime (1893- 1918). Sh… more
Date: December 2001
Creator: Williamson, Deborah
Item Type: Refine your search to only Thesis or Dissertation
open access

The mediating and moderating effects of women's attachment style on interrelationships among emotional abuse, physical aggression and relational stability.

Description: This purpose of this study was to combine two bodies of literature on relationships, attachment and violence. Given the impact of men's physical aggression and emotional abuse on women, it is likely that these behaviors would also affect attachment. A model proposing that women's attachment style mediated and moderated the relationship between partners' physical and emotional abuse and the stability of women's relationships was tested. Archival data were used from two waves of interviews with a… more
Date: December 2001
Creator: Weston, Rebecca
Item Type: Refine your search to only Thesis or Dissertation
open access

Effect of Individualized Curricular Accommodations, Incorporating Student Interest and the Impact on the Motivation and Occurrence/ Nonoccurrence of Disruptive Behavior Displayed By Students with Emotional/behavioral Disorders.

Description: As a result of the reauthorization of the Individuals with Disabilities Education Act of 1997, schools must now consider positive behavioral interventions and strategies to address problem behavior of students with Emotional/Behavioral Disorders (E/BD). Given the poor behavioral, academic, and social outcomes for these students, there is a compelling need to identify effective, proactive interventions. Current literature has well established the ineffectiveness of traditional, punitive, and con… more
Date: December 2001
Creator: Teaff, Teresa L.
Item Type: Refine your search to only Thesis or Dissertation
open access

Accounting for Human Resources: Implications for Theory and Practice.

Description: Knowledge workers are an important resource for the typical modern business firm, yet financial reporting ignores such resources. Some researchers contend that the accounting profession has stressed reliability in order to make the accounting appear objective. Others concur, noting that accounting is an insecure profession and adopts strict rules when faced with uncertainty. Accountants have promulgated a strict rule to expense human resource costs, although many know that such resources have f… more
Date: December 2001
Creator: Stovall, Olin Scott
Item Type: Refine your search to only Thesis or Dissertation
open access

Attitudes of American and Korean Early Childhood Educators Regarding Programs for Gifted/Talented Young Children.

Description: The purpose of this research was to study the attitudes of Korean and American early childhood educators concerning gifted children and programs aimed specifically at meeting their needs. The study examined general attitudes towards giftedness and gifted education programs and factors that might affect those attitudes. The study also examined desirable environments for young gifted children. Twenty-item questionnaires were developed and logically divided into six sections (identification, teac… more
Date: December 2001
Creator: Song, Kyu-Woon
Item Type: Refine your search to only Thesis or Dissertation
open access

The Musical Language of Joan Tower: An Energy Line Analysis of Island Prelude for Oboe and Wind Quartet

Description: This dissertation provides an analysis of Island Prelude based on a method of analysis prescribed by the composer. The method, Energy Line Analysis, is essential to an enlightened performance. The content of this dissertation includes: biographical information, compositional influences, Joan Tower style periods, her works involving the oboe in a major role, and an Energy Line Analysis chart of Island Prelude. Island Prelude represents Joan Tower's musical language, the understanding of which … more
Date: December 2001
Creator: Shouha, Laura
Item Type: Refine your search to only Thesis or Dissertation
open access

Fifth Grade Students as Emotional Helpers with Kindergarten Children, Using Play Therapy Procedures and Skills

Description: This research study investigated the effectiveness of a filial therapy training model as a method to train fifth grade students in child-centered play therapy skills and procedures. Filial therapy is an intervention that focuses on strengthening and enhancing adult-child relationships. The fifth grade students were trained to be a therapeutic change agent for kindergarten children identified as having adjustment difficulties, by utilizing basic child-centered play therapy skills in weekly play … more
Date: December 2001
Creator: Robinson, Julianna M. Ziegler
Item Type: Refine your search to only Thesis or Dissertation
open access

Death and Ethnicity: A Psychocultural Study-Twenty-Five Years Later.

Description: his study compares ethnic, age, and gender differences concerning attitudes and behaviors toward death, dying, and bereavement among Caucasian, African, Hispanic, and Asian American adult participants in north Texas with the results of a 1976 study by Kalish and Reynolds on death attitudes and behaviors of Caucasian, African, Mexican, and Japanese American adult participants in Los Angeles, California. A modified version of Kalish and Reynolds' study questionnaire was administered to 526 respon… more
Date: December 2001
Creator: Peveto, Cynthia A.
Item Type: Refine your search to only Thesis or Dissertation
open access

Effects of Teaching Reading Through Discussion of Text Structures.

Description: The purpose of this study was to investigate the effectiveness of teaching reading through discussion of text structures on students' reading comprehension. The design of the study was a Pretest-Posttest Control-Group Design. One hundred twenty-six sophomore and senior Thai college students majoring in English and attending afternoon English classes participated in the 10-week study and were randomly assigned to an experimental group and a control group. The experimental group received reading… more
Date: December 2001
Creator: Piyanukool, Surachai
Item Type: Refine your search to only Thesis or Dissertation
open access

A Study of the Pyrimidine Biosynthesis Pathway and its Regulation in Two Distinct Organisms: Methanococcus jannaschii and Pseudomonas aeruginosa

Description: Methanococcus jannaschii is a thermophilic methane producing archaebacterium. In this organism genes encoding the aspartate transcarbamoylase (ATCase) catalytic (PyrB) and regulatory (PyrI) polypeptides were found. Unlike Escherichia coli where the above genes are expressed from a biscistronic operon the two genes in M. jannaschii are separated by 200-kb stretch of genome. Previous researchers have not been able to show regulation of the M. jannaschii enzyme by the nucleotide effectors ATP,… more
Date: December 2001
Creator: Patel, Seema R.
Item Type: Refine your search to only Thesis or Dissertation
open access

Metal-Aluminum Oxide Interactions: Effects of Surface Hydroxylation and High Electric Field

Description: Metal and oxide interactions are of broad scientific and technological interest in areas such as heterogeneous catalysis, microelectronics, composite materials, and corrosion. In the real world, such interactions are often complicated by the presence of interfacial impurities and/or high electric fields that may change the thermodynamic and kinetic behaviors of the metal/oxide interfaces. This research includes: (1) the surface hydroxylation effects on the aluminum oxide interactions with coppe… more
Date: December 2001
Creator: Niu, Chengyu
Item Type: Refine your search to only Thesis or Dissertation
open access

An E-government Readiness Model

Description: The purpose of this study is to develop an e-government readiness model and to test this model. Consistent with this model several instruments, IS assessment (ISA), IT governance (ITG), and Organization-IS alignment (IS-ALIGN) are examined for their ability to measure the readiness of one organization for e-government and to test the instruments fit in the proposed e-government model. The ISA instrument used is the result of adapting and combining the IS-SERVQUAL instrument proposed by Van Dyke… more
Date: December 2001
Creator: Liu, Shin-Ping
Item Type: Refine your search to only Thesis or Dissertation
open access

A Statistical Study of Hard X-Ray Solar Flares

Description: The results of a statistical study of hard x-ray solar flares are presented in this dissertation. Two methods of analysis were used, the Diffusion Entropy (DE) method coupled with an analysis of the data distributions and the Rescaled Range (R/S) Method, sometimes referred to as "Hurst's method". Chapter one provides an introduction to hard x-ray flares within the context of the solar environment and a summary of the statistical paradigms solar astronomers currently work under. Chapter two pres… more
Date: December 2001
Creator: Leddon, Deborah L.
Item Type: Refine your search to only Thesis or Dissertation
open access

Reader-Reported Influences on a Fifth Grader's Transaction With Extended Text

Description: This study was designed to investigate the question of what goes on in a reader's mind as she transacts with extended text. It was a case study with one respondent, a ten year old girl. She reported, in writing, her thoughts during teacher read aloud, subsequent silent reading of the same text, and group discussions about the text. The findings support and flesh out Rosenblatt.s transactional theory, Vygotsky.s Zone of Proximal Development theory, and Lipman.s Philosophy for Children theory. Co… more
Date: December 2001
Creator: Hubble, Winona Gaye
Item Type: Refine your search to only Thesis or Dissertation
open access

The Impact of Poverty on Comparable Improvement Ranking for Elementary Campuses in Texas

Description: The problem was to determine how comparable is comparable improvement for campuses in Texas. An alternative strategy for determining comparable improvement was developed using 2000 comparable improvement data provided by the Texas Education Agency for 2,403 elementary campuses. Comparable improvement is a measure that shows how student performance has changed from one year to the next and then compares that growth to 40 schools that are demographically most similar to the target school. Instead… more
Date: December 2001
Creator: Holland, Vicki Gay
Item Type: Refine your search to only Thesis or Dissertation
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