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Optimism, Health Locus of Control, and Quality of Life of Women with Initial versus Recurrent Breast Cancer
Health Locus of Control (HLOC) and other predictors of Quality of Life (QL) were examined for women with an initial versus recurrent breast cancer diagnosis. Twenty-eight women with an initial breast cancer (IBC) diagnoses and twenty-eight women with recurrent breast cancer (RBC) diagnoses were recruited from doctors' offices and cancer support groups. Correlational analyses were used to assess the relationships between variables. No significant differences were found between women with IBC and RBC on Psychological QL. Doctor HLOC and Psychological QL were related for women with RBC (r = .481, p = .01) and marginally so for women with IBC (r = .329, p = .09). A positive correlation was also found between Doctor HLOC and Functional QL for both women with IBC (r = .464, p = .01) and women with RBC (r = .390, p = .04). After controlling for stage of cancer, women with RBC reported higher Functional QL than did women with IBC. Advanced (stages III or IV) versus early (stages I or II) cancer stage related to lower Functional QL, controlling for initial versus recurrent diagnosis (r = -.283, p = .01). A marginally significant relationship was also found for cancer stage, regardless of initial …
Date:
May 2001
Creator:
Graci, Gina
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Factors Affecting Resistance to Change: A Case Study of Two North Texas Police Departments
This study focuses on four common factors believed to affect resistance to change in public organizations. It contributes to existing literature by examining the effect of higher education and trust on the police officer's level of resistance to change and the effects of participation and communication on trust. 286 police officers from two north Texas towns responded to the survey. Regression analysis and bivariate correlations were used to determine the relationship between, resistance to change, and participation, trust, communication, information, and education and the relationship between trust and the other independent variable. The analysis failed to support previous research, which listed participation as the most important factor, but did support the concept that participation and communication improved trust.
Date:
May 2001
Creator:
Gaylor, Thomas Kent
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A Comparative Analysis of the Effectiveness of Three Different GED Preparation Programs
The purpose of this study was to identify effective instructional programs for GED tests preparation for students in a large suburban school district. Three different nonrandom, unequal naturally occurring instructional groups at three different locations were examined. One group participated in a traditional instruction program, a second group in a test/retest program, and a third group in a computer-assisted program. The demographics of the district population, the GED population, and the individual study groups were catalogued and analyzed. The demographics of the GED population were similar to the district population but different from the GED passers. Student characteristics did affect GED success. Both quantitative and qualitative data were gathered. Random students in each of the three groups were interviewed about their experiences in GED preparation using a questionnaire. Quantitative data were analyzed using frequencies, means, correlations, and a multiple regression analysis. Since the GED credential is an alternative to the high school diploma, its use as a dropout alternative is important to every school district. The study found that instructional methods had little impact on students' success in receiving the GED credential. The overall success rate of students was low in each group. The student's reading achievement score, GPA, and …
Date:
May 2001
Creator:
Gardner, Marlene K.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
An NMR study of 2-ethyl-1-butyllithium and of 2-ethyl-1-butyllithium/lithium 2-ethyl-1-butoxide mixed aggregates
A 1H, 13C, and 6Li NMR study of 2-ethyl-1-butyllithium indicated that 2-ethyl-1-butyllithium exists only as a hexameric aggregate over the entire temperature range of 25 to - 92.1 ° C in cyclopentane. Reacting 2-ethyl-1-butyllithium with 2-ethyl-1-butanol resulted in alkyllithium/lithium alkoxide mixed aggregates, apparently of the form Ra(RO)bLia+b. A multinuclear, variable temperature NMR study of samples with O:Li ratios of 0.2 and 0.4 showed, in addition to the alkyllithium, the formation of four mixed aggregates, one of them probably an octamer. Higher O:Li ratio samples showed the formation of several other mixed aggregates. Mixing 2-ethyl-1-butyllithium with independently prepared lithium 2-ethyl-1-butoxide formed the same mixed aggregates formed by in situ synthesis of lithium alkoxide. Lithium 2-ethyl-1-butoxide also exists as aggregates in cyclopentane.
Date:
May 2001
Creator:
Ferreira, Aluisio V. C.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Factors that influence teacher turnover in Texas: Correlations with variables from the academic excellence indicator system for the year 1998-99
The teacher shortage problem is a national and state concern. In 1998, the Texas State Board of Education Certification reported that school districts in Texas had to hire teachers to fill over 63,000 vacancies. Teacher resignations, other than retirement, contributed to over 46,000 teachers who left the profession about 19 % of the state's total teacher workforce. A significant number of Texas teachers left the profession in the first five years. The National Commission on Teaching and America's Future (1996) called the attrition of new teachers a chronic problem for American schools. Reducing the teacher shortage in Texas must begin with reducing the teacher turnover rate. Most studies concerning teacher attrition or turnover either address salary, or working conditions. Many of the studies deal with affective and subjective data regarding teacher turnover. The studies on teacher turnover often do not address quantifiable data collected uniformly across districts. Few studies address a comprehensive set of quantitative data to determine the variables associated with teacher turnover. This study addressed teacher turnover through quantitative research of data from the Texas Academic Excellence Indicator System (AEIS) with multiple analysis to provide insights to teacher turnover conditions and trends. The population for the study included …
Date:
May 2001
Creator:
Burns, Bobby C.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Accent and Grouping Structures in the String Quartets of Béla Bartók
The music of Béla Bartók is defined in part by its unique blend of rhythmic vitality and inventiveness, and his string quartets offer a glimpse into a consistency of technique evident throughout his compositional career. Bartók's rhythmic environments are primarily metrical, but many of his rhythmic configurations are placed in such a way as to potentially override established meter. It is necessary, therefore, to institute an analytical means by which the delineation and comparison of rhythmic structures both within and without the metrical context may be accomplished. An analytical method using Timepoint Accent Structures (TAS) allows for the comparison of rhythms resulting from patterns of accent produced by pitch onset, dynamic stress, articulation or any other accentual factors. Timepoint Grouping Structures (TGS) delineate the number of timepoints present in alternating groups/blocks in a texture, thereby allowing for the recognition of patterning created by these larger groups. By applying TAS and TGS analysis, relationships of rhythmic equivalency, rotation, retrograde, complementation, augmentation, diminution, subset, superset, exchange, compression and expansion are clearly confirmed in the string quartets. In addition, symmetrical structures and arithmetic progressions are discovered. In many ways, Bartók's rhythmic organization mimics his procedures of pitch structuring.
Date:
May 2001
Creator:
Bocanegra, Cheryl D.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Historical and Analytical Aspects of William Flackton's Sonatas for Viola and Keyboard (OPUS 2. Nos. 2, 4. 6. 8) with Particular Attention to the Sonata in D Maior (OPUS 2. No. 4)
These four sonatas of William Flackton (1709-1798) are probably the earliest collection of sonata literature written for the viola. They exist with a few other string sonatas from the Baroque period in England. It is essential to establish their place in English baroque music and to develop a performance milieu or stylistic preference that leads up to and lasts through the time span of Flackton's sonatas. The final tool to establish an interpretive plan will be to present a general analysis of the four sonatas with special emphasis on the D major sonata (opus 2, no. 4).
Date:
December 1991
Creator:
Rosenbaum, George G. (George Gene)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Perceptions of Work Group and Managerial Behaviors as Antecedents of a Salesperson's Commitment, Performance, and Turnover
Theoretically grounded and empirically testable conceptualizations that offer alternative explanations regarding sales force performance and turnover can: (a) enhance understanding regarding these pivotal outcomes, and (b) augment an organization's capability to increase sales and decrease turnover. The study advances one such explanation by conceptualizing and testing a perceptual model that links a salesperson's psychological climate dimensions to organizational commitment, performance, and turnover. The framework the study proposes respecifies the leadership and work group dimensions of psychological climate into four distinct perceptions (i.e., a salesperson's perceptions regarding the behaviors of work group, sales manager, senior management, and non sales employees in the organization). These climate dimensions are posited to influence positively a salesperson's organizational commitment which consequently influences positively the salesperson's effort and intention to stay with the organization. The proposed outcomes of organizational commitment result in increased performance and decreased turnover. Success beliefs and perceived behavioral control are posited to moderate the relationship between the salesperson's organizational commitment and effort. The study tests the hypothesized relationships on a sample of salespersons belonging to a telecommunications organization utilizing path and hierarchical regression analyses.
Date:
August 1999
Creator:
Gulati, Rajesh, 1964-
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Knowing is Seaing: Conceptual Metaphor in the Fiction of Kate Chopin
This paper examines the metaphoric structures that underlie Chopin's major novel, The Awakening, as well as those underlying selected short stories. Drawing on the modern theory of metaphor described by Mark Turner, George Lakoff, and Mark Johnson, the author argues that conceptual metaphors are the structural elements that underlie our experiences, thoughts, and words, and that their presence is revealed through our everyday language. Since these conceptual structures are representative of human thought and language, they are also present in literary texts, and specifically in Chopin's texts. Conceptual metaphors and the linguistic forms that result from them are so basic a part of our thinking that we automatically construct our utterances by means of them. Accordingly, conceptual metaphor mirrors human thought processes, as demonstrated by the way we describe our experiences.
Date:
May 1997
Creator:
Green, Suzanne Disheroon, 1963-
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Body Image as Mediated by Age, Sex, and Relationship Status
Traditionally, body image research has focused on young women. However, there are indications of cultural shifts which extend physical appearance pressures to both men and women, as well as to middle-aged and older adults. Two hundred and ten subjects were administered objective body image measures including the Figure Rating Scale, the Body Shape Questionnaire, and the Multidimensional Body-Self Relations Questionnaire, as well as projective measures including the Holtzman Inkblot Technique and the Draw-A-Person. The NEO-Five Factor Inventory and the Social Anxiety Subscale were also used to explore variables which might covary with body image. A 3 X 2 X 2 Multivariate Analysis of Covariance (MANCOVA) was utilized with social desirability as the covariate.
Date:
December 1993
Creator:
Cooper, Caren C. (Caren Connie)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Financial Reporting in Poland: Privatization of Select Firms Traded on the Warsaw Stock Exchange
Poland's transition from a centrally-planned economy (CPE) to a market economy began in 1989. Building a market economy out of the failures of a CPE represents an unprecedented process in the history of economic development. At the core of the transition is the privatization of state-owned enterprises (SOEs). Many problems encountered during privatization are accounting related, and before privatization can occur valuation issues must be resolved. What has been the role of accounting in Poland's transition? Accounting is an interactive process that reflects and creates reality. The accounting process facilitates the calculation of the value created by a firm by attempting to trace the flow of resources through the value-creating process, and it identifies, measures, records, summarizes, and reports transactions. How these transactions are internalized determines how they flow through the accounting process, and, because the former SOEs are complex organizations in transition, decisions concerning when and how to record events can be diverse. The primary objective of this study is to provide insight into the accounting transition in Poland by addressing issues of ownership rights, valuation, financial reporting, and disclosure. The research question is: How is accounting transforming and being transformed in Poland? The research question is addressed in …
Date:
December 1996
Creator:
De la Rosa, Denise M. (Denise Mary), 1949-
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Relationship of Fifth-Grade Students' Self-Concepts and Attitudes toward Mathematics to Academic Achievement in Arithmetical Computation, Concepts, and Application
The purpose of this study was to determine the interrelationship of self-concept and attitude toward mathematics to academic achievement in the areas of arithmetical computation, concepts, and application.
Date:
August 1971
Creator:
Moore, Bobbie Dean
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Baroque Guitar : Late Spanish Style as Represented by Santiago de Murcia in the Salvidar Manuscript (1732), with Three Recitals of Selected Works by Bach, Rak, Brouwer, Hummel, Gnattali and Others
xxii, 169 leaves : ill.
Date:
December 1993
Creator:
Yates, Stanley
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Attention and Information Processing Variables in Hypothetically Psychosis-Prone College Students
Considering the explanations of schizophrenia that presume schizophrenia spectrum disorders (e.g., schizotypal personality disorder, schizoaffective disorder, etc.) to be genetically related to schizophrenia, the purpose of this study was to investigate the attention and information processing abilities of individuals who have been identified as schizotypal or psychosis-prone (i.e., schizophrenia spectrum functioning in individuals who do not have schizophrenia). Research indicates that persons identified as psychosis-prone may show attention and information processing deficits similar to individuals with schizophrenia. The identification and description of individuals who later decompensate into schizophrenia would advance the understanding of schizophrenia and its causes. The Chapman's PER-MAG scale (Perceptual Aberration-Magical Ideation) was used to identify 35 hypothetically psychosis-prone college students (schizotypy group) and 42 normal college students (nonschizotypy group) out of the 806 volunteer subjects. Their attention and information processing abilities were measured by COGLAB (a multiparadigmatic cognitive test battery that represents a continuum of cognitive functions, from preattentional to attentional, to conceptual). Their social adjustment was measured by the Premorbid Adjustment Scale (PAS). The hypotheses of the study were that the hypothetically psychosis-prone subjects would perform poorer than controls on COGLAB measures and that COGLAB measures of a more molar nature would better predict social adjustment …
Date:
December 1995
Creator:
Ottesen, James McBride
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A Study of Differences Perceived by Information Systems Professionals in the Systems Development Job Environment Due to the Use of ICASE Technology
Information systems professionals now face the automation of their own work in integrated computer aided software engineering. Organizations need to achieve all the leverage possible from costly IT implementations to enhance competitiveness, profitability, and survival in a rapidly changing environment. ICASE technology is a part of the infrastructure necessary to meet this challenge but appears to present significant difficulties in implementation.
Date:
August 1997
Creator:
Troboy, Lori Kim
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
College Students' Preference of Computer Input Device: Keyboard versus Mouse
In the last several years, there has been an interest in graphical user interfaces as compared with character user interfaces. The "mouse" is the device most closely associated with graphical user interfaces. Key strokes are more closely associated with character user interfaces. Given these associations, is there a preference for the keyboard or for the mouse as an input device? The determination of user preference was reduced to the determination of preference of key strokes or mouse clicks for selection of main menu items. The subjects, university students working with Microsoft Works by Microsoft Corporation, copyright 1987-1989, were learning how to use application software. While Microsoft Works was running, tracking software recorded every user key stroke and mouse click, together with data about these key strokes and mouse clicks. From the analysis of these data, common preference for the means of menu item selection was determined.
Date:
May 1994
Creator:
Pickard, Stanley R. (Stanley Ray)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Examination of the Effects of Experience and Missing Information on Tax Preparer Judgment
This research examines how experience and missing information affect judgments of tax return preparers. Tax return preparers may often be faced with the problem of incomplete information, and their responses to this problem may be conditioned by whether or not they recognize information is missing. Based on the Holland et al.'s cognitive theory of induction as applied to tax judgment by Marchant et al., it was hypothesized that experienced tax preparers would correctly classify more items as to their relevance to a specific tax issue than novice tax preparers. Additionally, it was hypothesized that the strength of recommendations of tax preparers who had no relevant information missing would be greater than the strength of recommendations of tax preparers who had relevant information missing and were prompted that information was missing. Lastly, it was hypothesized that prompting that relevant information was missing would have a greater effect on the strength of recommendations of tax return preparers with lesser specific experience than it would on the strength of recommendations of tax return preparers with greater specific experience. The results suggest that experienced tax preparers do recognize the relevance of information to a greater degree than novice tax preparers. There was no significant …
Date:
August 1996
Creator:
Lewis, Judy D. (Judy Dianne)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Texas Assessment of Academic Skills (TAAS) Test Scores as Predictors of Academic Success of First-Year Clarendon College Students
The problem in this study was to determine the relationship between the scores on the three parts (reading, writing, and mathematics) of the Texas Assessment of Academic Skills Test (TAAS) and the academic success of first-year students at Clarendon College, Clarendon, Texas. High school grade-point average and gender were also included in the study. The purpose of the study was to develop an equation to predict first-year college grade-point average at Clarendon College . The predictor variables were the three parts of the TAAS Test (reading, writing, and mathematics) , high school grade-point average, and gender. The equation was developed through multiple correlation/multiple regression multivariate procedures. All statistical analyses were calculated through sub-programs of the Statistical Package for the Social Sciences (SPSS). The study was limited to using only 1992/1993 Texas high school graduates who had entered Clarendon College in the fall semesters of 1992 and 1993 directly following high school graduation. A search of Clarendon College records produced 115 students from these groups who fully met all standards defined for the study. Two predictor equations were developed. One developed through a simple regression command included all five predictor variables. The second equation was produced through a stepwise procedure. This …
Date:
August 1996
Creator:
Anglin, James William
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A Unifying Version Model for Objects and Schema in Object-Oriented Database System
There have been a number of different versioning models proposed. The research in this area can be divided into two categories: object versioning and schema versioning. In this dissertation, both problem domains are considered as a single unit. This dissertation describes a unifying version model (UVM) for maintaining changes to both objects and schema. UVM handles schema versioning operations by using object versioning techniques. The result is that the UVM allows the OODBMS to be much smaller than previous systems. Also, programmers need know only one set of versioning operations; thus, reducing the learning time by half. This dissertation shows that UVM is a simple but semantically sound and powerful version model for both objects and schema.
Date:
August 1997
Creator:
Shin, Dongil
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A Structural Approach to Four Theories of Group Development
The goal of this study was to attempt to develop a classification scheme that systematically related individual behavior, interpersonal behavior, and group interactions for the purpose of using the resulting classification scheme to evaluate theories of group development proposed by Bion, Bennis and Shepard, Bales, and Tuckman and Jensen. It was assumed that theorists' presuppositions about the structure of groups might influence their theories. Using a qualitative process of analysis, a structural classification scheme (SCS) was developed based upon transformative and generative rules, utilizing the General System Theory subsystem process of self-regulated boundary operations. The SCS protocol was employed to categorize and compare the theories of group development proposed by Bion, Bennis and Shepard, Bales, and Tuckman and Jensen. The resulting categorization of theories indicated that relationships existed among and between a group's structural properties, the complexity and type of communication connections among and between group members, and the size of the group. In addition, a common structural relationship was demonstrated to exist among and between individual, dyadic, and triadic group forms. A similar structural relationship was also speculated to exist between groups of any size. It was concluded that a structural approach to groups may offer insight to group …
Date:
May 1997
Creator:
King, Dennis J., 1945-
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Effectiveness of Speech Recognition as a User Interface for Computer-Based Training
Some researchers are saying that natural language is probably one of the most promising interfaces for use in the long term for simplicity of learning. If this is true, then it follows that speech recognition would be ideal as the interface for computer-based training (CBT). While many speech recognition applications are being used as a means for a computer interface, these are usually confined to controlling the computer or causing the computer to control other devices. The user input or interface has been the recipient of a strong effort to improve the quality of the communication between man and machine and is proposed to be a dominant factor in determining user productivity, performance, and satisfaction. However, other researchers note that full natural interfaces with computers are still a long way from being the state-of-the art with technology. The focus of this study was to determine if the technology of speech recognition is an effective interface for an academic lesson presented via CBT. How does one determine if learning has been affected and how is this measured? Previous research has attempted quantify a learning effect when using a variety of interfaces. This dissertation summarizes previous studies using other interfaces and those …
Date:
August 1995
Creator:
Creech, Wayne E. (Wayne Everette)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Sufficient Conditions for Uniqueness of Positive Solutions and Non Existence of Sign Changing Solutions for Elliptic Dirichlet Problems
In this paper we study the uniqueness of positive solutions as well as the non existence of sign changing solutions for Dirichlet problems of the form $$\eqalign{\Delta u + g(\lambda,\ u) &= 0\quad\rm in\ \Omega,\cr u &= 0\quad\rm on\ \partial\Omega,}$$where $\Delta$ is the Laplace operator, $\Omega$ is a region in $\IR\sp{N}$, and $\lambda>0$ is a real parameter. For the particular function $g(\lambda,\ u)=\vert u\vert\sp{p}u+\lambda$, where $p={4\over N-2}$, and $\Omega$ is the unit ball in $\IR\sp{N}$ for $N\ge3$, we show that there are no sign changing solutions for small $\lambda$ and also we show that there are no large sign changing solutions for $\lambda$ in a compact set. We also prove uniqueness of positive solutions for $\lambda$ large when $g(\lambda,\ u)=\lambda f(u)$, where f is an increasing, sublinear, concave function with f(0) $<$ 0, and the exterior boundary of $\Omega$ is convex. In establishing our results we use a number of methods from non-linear functional analysis such as rescaling arguments, methods of order, estimation near the boundary, and moving plane arguments.
Date:
August 1995
Creator:
Hassanpour, Mehran
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Effects of Two Types of Group Counseling Procedures with Junior College Students
The problem with which this investigation was concerned was to measure personal adjustment, emotional adjustment, home adjustment, and self-concept changes that took place in junior college students as a result of one-counselor group counseling and male-and-female co-counselor group counseling. The rationale for male-and-female co-counselor group counseling relied on the formation of a simulated family in which individuals could socialize their feelings.
Date:
August 1971
Creator:
West, William George
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Ronald Stevenson's Passacaglia on DSCH: Understanding the Composer's Unique Approach to Large-Scaled Structure, a Lecture Recital, together with Three Recitals of Selected Works of L.V. Beethoven, J. Brahms, F. Liszt, F. Mendelssohn, B. Bartók and Others
This paper investigates Ronald Stevenson's unique treatment of large-scaled structure in his Passacaglia on D S C H. This piece's unusual eighty-minute length, use of traditional forms and unusual piano techniques, musical references to other cultures and a massive triple-fugue over a ground bass will be examined as they relate to its overall form. The elements of rhythm, melody/mode, harmony, counterpoint, piano techniques, and tonality are also used as means of highlighting many unifying elements of the piece which contribute to its overall cohesiveness. Tributes to other composers, among them Dimitry Shostakovich to whom the piece is dedicated, are discussed in addition to many references to world cultures and events which support Stevenson's views on what he terms world music. Rarely is a piece written that encompasses such a wide range of musical elements that possess the ability to engage an audience for an uninterrupted length of eighty-minutes. As of yet, an in-depth scholarly investigation of Stevenson's treatment of formal unity in this landmark piano work has not been done. This analysis reveals Stevenson's approach to composing in such a large form, as well as illustrating his mastery of variation, counterpoint and unending ingenuity for innovative piano techniques. The composer's …
Date:
August 1994
Creator:
Beckman, Bradley
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library