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11,362 Matching Results
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Burnout Among Student Affairs Professionals at Metropolitan Universities
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The purpose of this study was to determine the level of burnout among student affairs professionals at the 52 U.S. member institutions of the Coalition of Urban and Metropolitan Universities. Packets containing the Maslach Burnout Inventory (MBI), the Moos Work Environment Scale (WES), and a demographic survey were mailed to 371 senior student affairs administrators at the member institutions, with a completed response rate of 58.22%. The senior student affairs administrators surveyed included the chief student affairs officers and the professional staff who reported to them. The research design employed t-tests, analyses of variance, and Pearson's Product Moment correlations. The scores obtained from the MBI and WES subscales were compared overall and along 9 independent variablestitle of position, size of institution, appointment, salary, years in current position, years in profession, age, gender, and highest degree attained. Average levels of burnout were found on each of the MBI subscores. Contrary to earlier studies, women did not suffer from statistically significant higher levels of burnout than men, and burnout levels decreased with age and years in the profession for both sexes. Lower scores on the MBI depersonalization subscale were found in employees in mid-career and in professionals from smaller schools. Emotional exhaustion …
Date:
August 2001
Creator:
Murphy, Lynda
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Building Digital Archives
This presentation is about the steps followed in the development of the University of North Texas (UNT) Libraries' Digital Library infrastructure, the lessons learned along the way, and the opportunities that are available today.
Date:
June 6, 2008
Creator:
Phillips, Mark Edward & Hartman, Cathy Nelson
Object Type:
Presentation
System:
The UNT Digital Library
Thermal, Electrical, and Structural Analysis of Graphite Foam
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Use of this item is restricted to the UNT Community
A graphite foam was developed at Oak Ridge National Laboratory (ORNL) by Dr. James Klett and license was granted to POCO Graphite, Inc. to manufacture and market the product as PocoFoam. Unlike many processes currently used to manufacture carbon foams, this process yields a highly graphitic structure and overcomes many limitations, such as oxidation stabilization, that are routinely encountered in the development of carbon foam materials. The structure, thermal properties, electrical resistivity, isotropy, and density uniformity of PocoFoam were evaluated. These properties and characteristics of PocoFoam are compared with natural and synthetic graphite in order to show that, albeit similar, it is unique. Thermal diffusivity and thermal conductivity were derived from Fourier's energy equation. It was determined that PocoFoam has the equivalent thermal conductivity of metals routinely used as heat sinks and that thermal diffusivity is as much as four times greater than pure copper and pure aluminum. SEM and XRD results indicate that PocoFoam has a high degree of crystalline alignment and near theoretical d spacing that is more typical of natural flake graphite than synthetic graphite. PocoFoam is anisotropic, indicating an isotropy factor of 0.5, and may yield higher thermal conductivity at cryogenic temperatures than is observed in …
Date:
August 2001
Creator:
Morgan, Dwayne Russell
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Pettis Integral and Operator Theory
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Use of this item is restricted to the UNT Community
Let (Ω, Σ, µ) be a finite measure space and X, a Banach space with continuous dual X*. A scalarly measurable function f: Ω→X is Dunford integrable if for each x* X*, x*f L1(µ). Define the operator Tf. X* → L1(µ) by T(x*) = x*f. Then f is Pettis integrable if and only if this operator is weak*-to-weak continuous. This paper begins with an overview of this function. Work by Robert Huff and Gunnar Stefansson on the operator Tf motivates much of this paper. Conditions that make Tf weak*-to-weak continuous are generalized to weak*-toweak continuous operators on dual spaces. For instance, if Tf is weakly compact and if there exists a separable subspace D X such that for each x* X*, x*f = x*fχDµ-a.e, then f is Pettis integrable. This nation is generalized to bounded operators T: X* → Y. To say that T is determined by D means that if x*| D = 0, then T (x*) = 0. Determining subspaces are used to help prove certain facts about operators on dual spaces. Attention is given to finding determining subspaces far a given T: X* → Y. The kernel of T and the adjoint T* of T are used …
Date:
August 2001
Creator:
Huettenmueller, Rhonda
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Submerged wood inhabiting macoinvertebrates of the Elm Fork of the Trinity River, Texas: Assemblage analyses, comparisons to the benthic fauna, and a study of Cyrnellus fraternus (Trichoptera: Polycentropodidae)
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Use of this item is restricted to the UNT Community
Taxonomic composition and spatio-temporal variability of macroinvertebrates inhabiting snags were examined from an 8-km segment of the Elm Fork of the Trinity River. Seventy-seven macroinvertebrate taxa were collected from submerged wood during the study. Assemblages were highly variable spatially and temporally, especially among seasons. An ordination of species and environment did not find snag taxa to have striking correlations with many of the selected environmental variables, although there were some trends in flow-mediated species distributions. There were significant seasonal differences in the abundances of some taxa, particularly among the Chironomidae (Diptera). The Tribe Orthocladiini was numerically abundant during the winter, while the Tribes Chironomini and Tanytarsini dominated the summer and autumn. Additionally, this study included a secondary production and microdistribution analysis of a population of the caddisfly Cyrnellus fraternus. Distributions of C. fraternus were restricted to snags, the most stable substratum for retreat building and for resisting periodic high waters. Larvae were not found in the soft sand and mud benthic habitats near submerged wood. The insects were multivoltine with a minimum of three generations per year. Pupae were collected July through September and adults emerged from May through October. The population overwintered as larvae. Estimated annual production was 1,015.4 …
Date:
August 2001
Creator:
Johnson, Zane B.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Comparison of GPS Point Selection Methods for GIS Area Measurement of Small Jurisdictional Wetlands
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Use of this item is restricted to the UNT Community
U.S. Army Corps of Engineers (USACE) regulates fill of jurisdictional waters of the United States including wetlands. Recent USACE regulations set a threshold of impacts to wetlands at one-half acre. Impact area can be determined by Global Positioning System (GPS) measurement of wetland boundary and Geographic Information System (GIS) calculation of impact area. GPS point selection methods include (1) equal time interval, (2) transect and (3) intuition. Four two-acre shapes were measured with each GPS method and brought into GIS for area calculation. Analysis of variance and Root Mean Square Error analyses determine that the transect method is an inferior point selection method in terms of accuracy and efficiency.
Date:
August 2001
Creator:
Shelton, Michael
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Thermochemical investigations of crystalline solutes in non-electrolyte solutions: Mathematical representation of solubility data and the development of predictive solubility equations in systems with specific and non-specific interactions.
Understanding the thermodynamic properties of multicomponent mixtures is of critical importance in many chemical and industrial applications. Experimental measurements become progressively difficult as the number of solution components increases -- producing the need for predictive models. Problems in development of predictive models arise if the mixture has one or more components that interact through molecular complexation or association. Experimental solubilities of anthracene and pyrene dissolved in binary systems containing one or more alcohols were measured in order to address this problem. Alcohols examined in this study were: 1-propanol, 2-propanol, 1-butanol, 2-butanol, 2-methyl-1-propanol, 3-methyl-1-butanol, and 1-octanol. In binary solvent mixtures containing only a single self-associating alcoholic solvent, the alkane cosolvents studied were: n-hexane, n-heptane, n-octane, 2,2,4-trimethylpentane, cyclohexane, methylcyclohexane, tert-butylcyclohexane. Predictive solubility equations were developed using mobile order theory. This approach differs from classical solution models by representing hydrogen bonding with a probability term rather than with expressions derived from stepwise equilibria or expressions to represent hypothetical solution aggregates. Results were compared with the predicted solubilities found from using expressions developed using the Kretschmer-Wiebe and Mecke-Kempter approaches for modeling associated solutions. It was found that the mobile order approach provided reasonably accurate predictions for the solute solubilities in the systems studied. The …
Date:
May 2008
Creator:
Zvaigzne, Anita Ilze
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A study of freshman interest groups and leadership practices at Texas Woman's University
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Use of this item is restricted to the UNT Community
This study investigated the level of leadership practices and retention rates of freshman students at Texas Woman's University. The data for the study were collected using the Leadership Practices Inventory, Student Version. The sample for the study consisted of 151 freshman students. The students were each placed in one of three control groups. Group A students (the treatment group) were in the Neighbors Educated Together Program (NET). Group B students (control group) were in one of two university-sponsored programs (COLORS or University 1000), and Group C students (control group) were the residual group of first-time college freshmen. These three groups were surveyed prior to their participation in the NET program or a university-sponsored program and again at the end of 14 weeks. In addition, retention rates were examined on the 12 class day of the spring semester. The study found statistically significant differences (p <. 05) on the pretests and posttests between Group C, residual students, and the other two groups on the Enabling the Followers to Act subscale, the Inspiring a Shared Vision subscale, and Encouraging the Heart subscale. Group A, NET students, and Group B, COLORS/University 1000 students, showed no statistically significant differences between groups. The difference from …
Date:
August 2001
Creator:
Mendez-Grant, Monica S
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Investigating the effects on parallel play between siblings: Teaching children with autism to emit social phrases to their typically developing sibling.
The focus of this study was three fold. First, modeling and feedback were investigated as a training package for social interactions between siblings. Second, the effects of social phrases taught to the sibling with autism were investigated. Third, the magnitude of these social phrases was measured by timing duration of parallel play. The experimental design is an A-B-A1-A2 design conducted in a clinic, with a probe for generalization in the home environment. This intervention was replicated across an additional sibling dyad to indicate its effectiveness. This study ascertained that the sibling with autism was a viable participant in learning new social skills that could function as a behavioral cusp and increase sibling interactions.
Date:
December 2008
Creator:
Hille, Katrina J.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Slaves and Slaveholders in the Choctaw Nation: 1830-1866
Racial slavery was a critical element in the cultural development of the Choctaws and was a derivative of the peculiar institution in southern states. The idea of genial and hospitable slave owners can no more be conclusively demonstrated for the Choctaws than for the antebellum South. The participation of Choctaws in the Civil War and formal alliance with the Confederacy was dominantly influenced by the slaveholding and a connection with southern identity, but was also influenced by financial concerns and an inability to remain neutral than a protection of the peculiar institution. Had the Civil War not taken place, the rate of Choctaw slave ownership possibly would have reached the level of southern states and the Choctaws would be considered part of the South.
Date:
May 2009
Creator:
Fortney, Jeffrey L., Jr.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Symbolic Representation of Latinos: A Content Analysis of Prime-Time Television
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Use of this item is restricted to the UNT Community
The media are powerful agents of socialization in modern society influencing values, beliefs, and attitudes of the culture that produces them. Both the quantity and quality of Latino images in the media may reflect and reinforce the place of Latinos in United States society. This study examines how Latinos are portrayed in television entertainment programming by addressing two major research questions: 1) What is the extent of Latino recognition on prime-time television? and 2) What is the extent of respect accorded Latinos on prime-time television? A one-week sample of prime-time television programming airing on three networks yielded 47 programs and 807 characters for analysis. Using content analysis methodology, recognition is identified by examining the frequency and proportional representation of Latino television portrayals and respect is measured by examining the types and significance of these roles. The results indicate an overall lack of diversity on prime-time television with only 11 of the 47 programs analyzed reaching 50% or more of the maximum possible diversity in their racial and ethnic portrayals. Specifically, Latinos represent only 3% of primetime television characters, less than one-fourth of their proportion of the nation's population. Compared to non-Hispanic Whites, Blacks, and Asians, Latinos are the group least …
Date:
August 2001
Creator:
McKenzie-Elliott, Tracey M.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Predicting Chemical and Biochemical Properties Using the Abraham General Solvation Model
Several studies were done to illustrate the versatillity of the Abraham model in mathematically describing the various solute-solvent interactions found in a wide range of different chemical and biological systems. The first study focused on using the solvation model to construct mathematical correlations describing the minimum inhibitory concentration of organic compounds for growth inhibition towards the three bacterial strains Porphyromonas gingivalis, Selenomonas artemidis, and Streptococcus sobrinus. The next several studies expand the practicallity of the Abraham model by predicting free energies of partition in chemical systems. The free energy studies expand the use of the Abraham model to other temperatures and properties by developing correlations for the enthalpies of solvation of gaseous solutes of various compounds dissolved in water, 1-octanol, hexane, heptane, hexadecane, cyclohexane, benzene, toluene, carbon tetrachloride, chloroform, methanol, ethanol, 1-butanol, propylene carbonate, dimethyl sulfoxide, 1,2-dichloroethane, N,N-dimethylformamide, tert-butanol, dibutyl ether, ethyl acetate, acetonitrile, and acetone. Also, a generic equation for linear alkanes is created for use when individual datasets are small. The prediction of enthalpies of solvation is furthered by modifying the Abraham model so that experimental data measured at different temperatures can be included into a single correlation expression. The temperature dependence is directly included in the model …
Date:
May 2009
Creator:
Mintz, Christina
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Grounds-Based and Grounds-Free Voluntarily Child Free Couples: Privacy Management and Reactions of Social Network Members
Voluntarily child free (VCF) individuals face stigmatization in a pronatalist society that labels those who do not want children as deviant. Because of this stigmatization, VCF couples face privacy issues as they choose to reveal or conceal their family planning decision and face a variety of reactions from social network members. Therefore, communication privacy management and communication accommodation theory was use to examine this phenomenon. Prior research found two different types of VCF couples: grounds-based and grounds-free. Grounds-based individuals cite medical or biological reasons for not having children, while grounds-free individuals cite social reasons for not having children. The purpose of this study is to examine how grounds-based and grounds-free VCF couples manage their disclosure of private information and how social network members react to their family planning decision. Findings revealed that grounds-free individuals are more likely to engage in the self-defense hypothesis and grounds-based individuals are more likely to engage in the expressive need hypothesis. Grounds-based individuals were asked about their decision in dyadic situations, whereas grounds-free individuals were asked at group gatherings. Additionally, social network members used under-accommodation strategies the most frequently and grounds-free individuals experienced more name calling than grounds-based. Finally, while grounds-free individuals experienced non-accommodation and …
Date:
May 2009
Creator:
Regehr, Kelly A.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Primary Stylistic Characteristics of Cindy McTee's Music as found in Timepiece, Ballet for Band and Finish Line
Cindy McTee, Regents Professor of Composition in the College of Music at the University of North Texas, is one of America's leading composers. Her music is an eclectic blend of the "American" sound that is created by the use of a multiplicity of techniques. This document uses three of McTee's most recent (to date) works for wind band: Timepiece, Ballet for Band and Finish Line, to identify the primary stylistic characteristic's of the composer's music, which include: jazz influence; use of ostinati, pseudo-ostinati and machine-like rhythmic patterns and figures; creation of extended and angular melodic lines; progressive "walking" bass lines; and the use of octatonic and chromatic collections. Through the identification of stylistic characteristics, concise stylistic analysis of the works, interview transcript, list of composer's works to date, and selected discography, this document will add to the limited body of scholarly writing on the composer.
Date:
May 2009
Creator:
Williams, Nicholas, 1974-
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Level Curves of the Angle Function of a Positive Definite Symmetric Matrix
Given a real N by N matrix A, write p(A) for the maximum angle by which A rotates any unit vector. Suppose that A and B are positive definite symmetric (PDS) N by N matrices. Then their Jordan product {A, B} := AB + BA is also symmetric, but not necessarily positive definite. If p(A) + p(B) is obtuse, then there exists a special orthogonal matrix S such that {A, SBS^(-1)} is indefinite. Of course, if A and B commute, then {A, B} is positive definite. Our work grows from the following question: if A and B are commuting positive definite symmetric matrices such that p(A) + p(B) is obtuse, what is the minimal p(S) such that {A, SBS^(-1)} indefinite? In this dissertation we will describe the level curves of the angle function mapping a unit vector x to the angle between x and Ax for a 3 by 3 PDS matrix A, and discuss their interaction with those of a second such matrix.
Date:
December 2009
Creator:
Bajracharya, Neeraj
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
An Evaluation of the Effects of Two Different Role Play Formats on the Outcomes of a Parent Training Curriculum
The current study was designed to replicate and extend previous research on the effectiveness of behavioral parent training. Specifically, the effectiveness of the Behavior Management and Parenting Services (BMAPS) curriculum in teaching parents to exhibit a set of parenting skills and respond accurately to a multiple choice examination about positive parenting techniques was evaluated. In addition, the curriculum was revised so that the relative effectiveness and acceptability of two role play formats could be assessed. The outcomes of the study showed an improvement in the participants' ability to identify correct answers on a multiple choice examination and apply the parenting skills taught in class within a role play format; results pertaining to the efficacy of each role play format were less conclusive.
Date:
December 2009
Creator:
Carlson Litscher, Barbara J.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Learner-to-Learner: Refocusing the Lens of Educational Immediacy
As the current body of instructional communication research focuses primarily on the relationship between teacher and learner, three studies investigating the relationship between learners were completed in order to better understand how student motivation and learning are influenced by learner-to-learner immediacy behaviors within the college classroom environment. Study I resulted in an extensive list of both positive and negative verbal and nonverbal immediacy behaviors commonly used by learners. Study II required the comparison of the behaviors identified in study one to existing measures of teacher to learner immediacy behaviors, producing a new measure focusing on learner-to-learner immediacy. Following a pilot survey, the reliability of this new measure was determined through face validity and factor analysis, producing the Learner-to-Learner Immediacy Behavior Scale. In Study III, the Learner-to-Learner Immediacy Behavior Scale was combined with Christophel's 1990 Immediacy Behavior Scale, Cognitive Learning Scale, Affective Learning Scale, and Trait and State Motivation Scales and administered to 273 undergraduate students to test the affects of common learner-to-learner immediacy behaviors on student state motivation, affective learning, and perceptions of cognitive learning loss. Multiple regression analyses indicated learner-to-learner immediacy as functioning similarly to teacher-to-student immediacy when mediated through state motivation in its influence on student affective learning …
Date:
May 2009
Creator:
Keller, Christine Ida
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Five Seasons: A composition for flutist and percussionist
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Use of this item is restricted to the UNT Community
Five Seasons is a musical work for flute and percussion. The flutist alternately performs on the C flute with a B foot, alto flute, piccolo, and bass flute in each movement. The percussionist also plays different instruments in each movement: the vibraphone for Mid-Summer; the xylophone for Fall; the woodblock, temple block, and cowbells for Spring; the glockenspiel for Summer; and the marimba for Winter. The five movements of this work - Mid-Summer, Fall, Spring, Summer, and Winter - are based on a combination of Eastern performing practices with Western instruments. The musical characteristics are based on the techniques of fifteenth-century (e.g., isorhythmic technique) and twentieth-century Western music.
Date:
August 2001
Creator:
Kim, Chol-Ho
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Home: A Memoir
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Use of this item is restricted to the UNT Community
Home: A Memoir, a creative non-fiction thesis, is a memoir in the form of personal essays, each exploring some aspect of the meaning of home, how my sense of self has been formed by my relationship to home, and the inevitability of leaving home. Chapter I explores the nature of memory and of memoir, their relationship to each other and to truth, and how a writer's voice shapes memoir. Chapter II, “Paternity,” is an attempt to remember my father, resulting in renewed interest in his past and renewed awareness of his legacy. Chapter III, “Home,” is on the surface about my grandparents' house, but is really about my grandmother. Chapter IV, “Dixie,” is about my contradictory feelings for the South, and my eventual acceptance of the South's complexities.
Date:
August 2001
Creator:
Lovell, Bonnie Alice
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A survey of the Greater Dallas Crime Commission and its effect on the
This thesis examines the history of the Greater Dallas Crime Commission and its effectiveness within the criminal justice system. It is a private agency established fifty (50) years ago to monitor and investigate the criminal justice system. Today, it serves as a source of funding for criminal justice agencies, provides awards and recognition forums for law enforcement and lobbies for legal revisions of the criminal code. The research is designed to examine their role within the criminal justice system. Whether current crime theories are supported by the commission is central to the thesis. There are no prior studies available of crime commissions perhaps because they are privately funded and operated by civilians. Crime commissions do exert influence, politically and financially, upon law enforcement. It is reflected often in their history. The extent of this effect is the subject of the paper. To this end, the commission's role in changing state laws, providing funds for police training, recognizing prosecutors and paying awards to informants lends credibility to their role in the criminal justice system. Their function has often changed during the fifty-year history. If there is a deficit, it may be that the commission has the capability, through its sphere of …
Date:
May 2001
Creator:
Latham, H. Lee
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Building Search Systems for Digital Library Collections
This presentation describes the infrastructure and collection in the University of North Texas (UNT) Libraries Digital initiatives. This discusses issues related to searching and explains possible solutions to best enhance metadata and searching capabilities.
Date:
May 31, 2007
Creator:
Phillips, Mark Edward
Object Type:
Presentation
System:
The UNT Digital Library
Metadata and XML
This presentation discusses how XML can help store metadata. The University of North Texas (UNT) Digital Projects Unit developed the UNTL metadata element set with IndexData that tailored the data to meet their needs.
Date:
November 7, 2003
Creator:
Phillips, Mark Edward
Object Type:
Presentation
System:
The UNT Digital Library
Anne Brontë's New Women: Agnes Grey and The Tenant of Wildfell Hall as Precursors of New Woman Fiction
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Use of this item is restricted to the UNT Community
Anne Brontë's Agnes Grey and The Tenant of Wildfell Hall were published more than forty years before the appearance of the feminist type that the Victorians called the “New Woman;” yet, both novels contain characteristics of New Woman fiction. By considering how Brontë's novels foreshadow New Woman fiction, the reader of these novels can re-enact the “gentlest” Brontë as an influential feminist whose ideology informed the construction of the radical New Woman. Brontë, like the New Woman writers, incorporated autobiographical dilemmas into her fiction. By using her own experiences as a governess, Brontë constructs Agnes Grey's incongruent social status and a morally corrupt gentry and aristocracy through her depiction of not only Agnes's second employers, the Murrays, but also the morally debauched world that Helen enters upon her marriage to Arthur Huntingdon in The Tenant of Wildfell Hall. Moreover, Brontë incorporates her observations of Branwell's alcoholism and her own religious beliefs into The Tenant of Wildfell Hall. Although Brontë's novels contain autobiographical material, her heroines are fictional constructions that she uses to engage her readers with the woman question. Brontë accomplishes this engagement through her heroines' narrative re-enactments of fictional autobiographical dilemmas. Helen's diary and Agnes's diary-based narrative produce the …
Date:
August 2001
Creator:
Phillips, Jennifer K.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Digital Initiatives at the University of North Texas Libraries
This presentation gives an overview of the University of North Texas (UNT) Library's Digital Projects Unit (DPU) and their digitization initiatives.
Date:
January 28, 2009
Creator:
Phillips, Mark Edward
Object Type:
Presentation
System:
The UNT Digital Library