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472 Matching Results
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Is Mindfulness Just Another Ego Depletion Exercise?
Given increasing interest in the therapeutic benefits of mindfulness, limitations of its treatment utility are frequently questioned. As such, the purpose of the study was to examine the effects of mindfulness on a subsequent self-control task in a sample of college students. A total of 67 participants were randomly assigned to one of three conditions: a control condition, an experimental mindfulness-only condition or a comparison expectancy-plus-mindfulness condition to investigate the utility of mindfulness practice when motivated by an outcome of increased self-control. Results did not indicate a difference in persistence on a difficult task between conditions, regardless of the manipulation. Conceptual and experimental limitations of current study’s findings, as well as future directions, are discussed.
Date:
May 2014
Creator:
Connally, Melissa Londoño
System:
The UNT Digital Library
Studies of Charged Particle Dynamics for Antihydrogen Synthesis
Synthesis and capture of antihydrogen in controlled laboratory conditions will enable precise studies of neutral antimatter. The work presented deals with some of the physics pertinent to manipulating charged antiparticles in order to create neutral antimatter, and may be applicable to other scenarios of plasma confinement and charged particle interaction. The topics covered include the electrostatic confinement of a reflecting ion beam and the transverse confinement of an ion beam in a purely electrostatic configuration; the charge sign effect on the Coulomb logarithm for a two component (e.g., antihydrogen) plasma in a Penning trap as well as the collisional scattering for binary Coulomb interactions that are cut off at a distance different than the Debye length; and the formation of magnetobound positronium and protonium.
Date:
December 2014
Creator:
Correa, Jose Ricardo
System:
The UNT Digital Library
“Madness” in the Media: How Can Print Journalists Better Report on Mental Illnesses?
Stereo types and stigmas of individuals with mental illnesses have proved to be a major roadblock preventing these individuals from seeking help. The news media, despite having a responsibility to accurately inform the public, has played a significant role in portraying individuals with mental illness as violent, unpredictable, dangerous, and unfit to live with the rest of “normal” society. This happens through the words journalists choose to use and the information they choose in included, and excluded, when reporting on mental health issues. This study attempts to establish a guideline that journalists can follow that will hopefully reduce the stigma of mental illness in the media, and eventually in society. This study used a 2 x 2 ANCOVA to test two independent variables (amount of labeling terms and amount of corrective information). The variables were manipulated by modifying a news article four times to produce articles with varying levels of labeling terms and corrective information. A control article was also be used. The articles were randomized and passed out to 220 undergraduate college students at the University of North Texas who completed a questionnaire, read their assigned article, and then completed a second questionnaire to determine the impact the article …
Date:
August 2014
Creator:
Cousineau, Anna Desiree
System:
The UNT Digital Library
When and Where Does It Pay to Be Green: Intra- and Inter-organizational Factors Influencing the Environmental/Financial Performance Link
Managers are coming under increasing pressure from a wide array of stakeholders to improve the environmental performance of their firms while still achieving financial performance objectives. One of the most researched questions in the business and the natural environment (B&NE) literature is whether it pays to be green. Despite more than three decades of research, scholars have been unable to clearly answer this question. The purpose of this dissertation was to attempt to identify the antecedents that lead to increased, firm-level environmental performance and the conditions in which firms are then able to profit from enhanced environmental performance. First, I assessed three intra-organizational factors of top management teams (i.e. female representation, concern for non-financial stakeholders, and risk-seeking propensity) that theory indicated are associated with increased corporate environmental performance (CEP). Theory also leads us to believe that top management teams with these attributes should perform better in dynamic settings, so I tested to see if industry dynamism moderates these relationships. Second, I then examined industry-level forces that theory indicates would moderate the relationship between CEP and corporate financial performance (CFP). These moderating forces include industry profitability, industry dynamism, and the degree of industry environmental regulation. Hypotheses were tested using panel data …
Date:
May 2014
Creator:
Cox, Marcus Z.
System:
The UNT Digital Library
Experiences and Perceptions of Students in Music and Mathematics
Since the time of Pythagoras, philosophers, educators, and researchers have theorized that connections exist between music and mathematics. While there is little doubt that engaging in musical or mathematical activities stimulates brain activity at high levels and that increased student involvement fosters a greater learning environment, several questions remain to determine if musical stimulation actually improves mathematic performance. This study took a qualitative approach that allowed 24 high school students to express their direct experiences with music and mathematics, as well as their perceptions of how the two fields are related. Participants were divided into four equal groups based on school music participation and level of mathematic achievement, as determined by their performance on the Texas Assessment of Knowledge and Skills (TAKS). Students participated in a series of three interviews addressing their experiences in both music and mathematics, and took the Multiple Intelligences Developmental Assessment Scales (MIDAS). TAKS data and MIDAS information were triangulated with interview findings. Using a multiple intelligence lens, this study addressed the following questions: (a) How do students perceive themselves as musicians and mathematicians? (b) What experiences do students have in the fields of music and mathematics? (c) Where do students perceive themselves continuing in the …
Date:
May 2014
Creator:
Cranmore, Jeff L.
System:
The UNT Digital Library
“Inside Story”
Inside Story explores the essence of story and attempts to connect the audience to the significance of story in their own lives. The documentary examines story and determines the elements necessary for its formation. The film investigates the psychological aspects of story, inspects the physiological processing of story that connects story to the way we think and perceive, and finally, emphasizes the functions and values of story.
Date:
May 2014
Creator:
Crawford, Jim D.
System:
The UNT Digital Library
Networks of Social Debt in Early Modern Literature and Culture
This thesis argues that social debt profoundly transformed the environment in which literature was produced and experienced in the early modern period. In each chapter, I examine the various ways in which social debt affected Renaissance writers and the literature they produced. While considering the cultural changes regarding patronage, love, friendship, and debt, I will analyze the poetry and drama of Ben Jonson, Lady Mary Wroth, William Shakespeare, and Thomas Middleton. Each of these writers experiences social debt in a unique and revealing way. Ben Jonson's participation in networks of social debt via poetry allowed him to secure both a livelihood and a place in the Jacobean court through exchanges of poetry and patronage. The issue of social debt pervades both Wroth's life and her writing. Love and debt are intertwined in the actions of her father, the death of her husband, and the themes of her sonnets and pastoral tragicomedy. In Shakespeare’s The Merchant of Venice (c. 1596), Antonio and Bassanio’s friendship is tested by a burdensome interpersonal debt, which can only be alleviated by an outsider. This indicated the transition from honor-based credit system to an impersonal system of commercial exchange. Middleton’s A Trick to Catch the Old …
Date:
August 2014
Creator:
Criswell, Christopher C.
System:
The UNT Digital Library
In-service Teacher Perception of Feedback From Formative Evaluation Within the Teacher Appraisal Process and Its Relationship to Teacher Self-efficacy
The purpose of the study is to describe the current status of and the relationships between teacher self-efficacy and in-service teachers’ perceptions and/or attitudes of (a) the quantity and quality of feedback from formative evaluation, (b) toward feedback from formative evaluation, and (c) the impact of feedback from formative evaluation on teacher self-efficacy. In addition to calculating correlation coefficients, 6 teachers were interviewed – 2 each from high, medium, and low efficacy schools. The quantitative data reported low, positive correlations between all of the factors. Statistically significant correlations were found between 8 of the 12 factors including teacher attitudes toward feedback from formative evaluation and: overall Teacher Sense of Efficacy Scale (r = .302), student engagement (r = .309), instructional strategies (r = .237) and classroom management (r =.266). Other statistically significant correlations were found between teacher perceptions of the impact of feedback from formative evaluation and its relationship to self-efficacy and: overall Teachers’ Sense of Efficacy Scale (r = .295), Student Engagement (r = .300), Instructional Strategies (r = .209), and Classroom Management (r = .282). The face-to-face interviews and online focus group supported the quantitative findings as the participants reported that they value formative evaluation and feedback and …
Date:
December 2014
Creator:
Curran, Chaney L.
System:
The UNT Digital Library
The Impact of Teacher Quality on Reading Achievement of Fourth Grade Students: an Analysis of the 2007, 2009, 2011, and 2013 National Assessment of Educational Progress (Naep)
This study investigated the effects of teacher background variables on fourth grade reading achievement data collected from the 2007, 2009, 2011, and 2013 National Assessment of Educational Progress (NAEP) using a causal-comparative research design. Teacher quality variables related to teacher credentials, instructional methods, training, and support were selected from the NAEP background questionnaire. Descriptive and inferential statistical analyses were used to examine teacher background information and fourth grade reading NAEP scaled scores using measures of central tendency, independent t-tests, analysis of variance, and Tukey’s HSD post hoc analysis. Findings suggest that certain teacher quality variables positively impact fourth grade reading achievement. Significant differences existed among fourth grade reading scaled scores for the following variables: teaching credentials [region (p < .05), traditional preparation route (p < .001), highest degree earned(p < .05), years of experience (p < .001)]; instructional methods [reading aloud by students (p < .01), questioning character motives (p < .01), student selection of reading materials (p < .001), explaining/supporting text (p < .05), identifying main theme (p < .001), time spent on reading (p < .001), primary language arts integration (p < .05)]; teacher support [instructional grade level support/technical assistance by reading specialist (p < .05) and mentoring …
Date:
May 2014
Creator:
Curry, Daphney Leann
System:
The UNT Digital Library
The Effect of Natural Gas Well Setback Distance on Drillable Land in the City of Denton, Texas
Municipalities protect human health and environmental resources from impacts of urban natural gas drilling through setback distances; the regulation of distances between well sites and residences, freshwater wells, and other protected uses. Setback distances have increased over time, having the potential to alter the amount and geographical distribution of drillable land within a municipality, thereby having implications for future land use planning and increasing the potential for future incompatible land uses. This study geographically applies a range of setback distances to protected uses and freshwater wells in the city limits of Denton, Texas to investigate the effect on the amount of land remaining for future gas well development and production. Denton lies on the edge of a productive region of the Barnett Shale geological formation, coinciding with a large concentration of drillable land in the southwestern region of the study area. This region will have the greatest potential for impacts to future municipal development and land use planning as a result of future gas well development and higher setback standards. Given the relatively high acreage of drillable land in industrially zoned subcategory IC-G and the concern regarding gas well drilling in more populated areas, future drilling in IC-G, specifically in …
Date:
May 2014
Creator:
Daniel, Michael
System:
The UNT Digital Library
Defining the Contralto Voice Through the Repertoire of Ralph Vaughan Williams
At the beginning of the twentieth century, the recognition of the contralto voice type had reached its apex in England. Throughout the remainder of the century, the number and popularity of recorded contraltos has decreased alongside the rise of the mezzo-soprano voice type. Due to the contralto’s decline and the lack of repertoire composed specifically for the voice, the definition of “contralto” remains somewhat ambiguous. The large contralto repertoire of English composer Ralph Vaughan Williams displays a unique sensitivity to the contralto, particularly with regards to vocal range, flexibility, tessitura, and sustainability. These works thus suggest a new perspective for the voice type. The scope of Vaughan Williams’s oeuvre examined includes each of his operatic roles for contralto and choral works featuring the contralto. Also examined will be the compositional techniques implemented within these pieces which demonstrate the strengths and weaknesses of the contralto voice. A workable definition of the voice type for the pedagogue and performer is included.
Date:
May 2014
Creator:
Daniels, Sarah M.
System:
The UNT Digital Library
What Is Needed to Enable a Cultural Shift in the Market Research Department at the Gangler Company?
This thesis investigates how to create an environment for organizational change within the Market Research Department at the Gangler Company (a US-based consumer products company). I explore what is influencing the current cultural environment and which of those influencers can be shifted to encourage organizational change toward the “ideal” culture that the organization has identified. Using new institutionalism as the theoretical approach, I discuss the significance of institutional forces (such as the economy and the rise in technology) on the cultural elements (i.e. behaviors, ideas, material artifacts and social structures) in the Market Research Department. Lastly, I show that by understanding those institutional influences, I can better assess what cultural elements can be shifted and which cannot. Of the cultural elements that are able to be shifted, I recommend three interventions that the organization should employ: 1) from a contrive culture to a culture of candor, 2) from a culture of division to a culture of cohesion, and 3) from a culture of knowing to a culture of learning.
Date:
December 2014
Creator:
Davis, Brooke
System:
The UNT Digital Library
Explicating the Managerial Processes of Dynamic Capabilities and Investigating How the Reconceptualized Construct Influences the Alignment of Ordinary Capabilities
In the last three decades, strategic management scholars have explored the organization’s need to reconfigure its capabilities to leverage opportunities in a changing environment. The first objective of this study was to identify the underlying elements of the managerial processes of dynamic capabilities, and to offer a reconceptualization of the dynamic capabilities construct. The second objective of this investigation was to determine how the reconceptualized dynamic capabilities construct could influence the alignment of ordinary capabilities. Findings from this investigation indicate that organizational processes and managerial processes are unique components of dynamic capabilities. In addition, these organizational processes were found to be significantly and positively correlated with the alignment of ordinary capabilities. Furthermore, managerial processes were found to moderate the relationship between organizational processes and one type of ordinary capability alignment (i.e. innovation-operations capability alignment). Taken together, the findings of this study support the notion that dynamic capabilities are context specific, and that understanding how they influence the organization’s ability to change is complex. The developments and findings in this study offer a reconceptualized and empirically tested framework for the capability alignment process, thereby providing a more comprehensive picture of the underlying processes.
Date:
August 2014
Creator:
Davis, Phillip E.
System:
The UNT Digital Library
Environmental Imagination: the Constitution and Projection of a Sustainable Ethos
This dissertation provides a theoretical analysis and examination of the role of imagination in the formation of an environmental ethos. The majority of ethical theories in environmental thought largely neglect the role that imagination plays in both the relationships that humans form with their environment, and the subsequent role that imagination plays in constituting the way that those relationships are understood ethically. To explore the role of imagination in constituting and subsequently projecting such an ethical way of being, this dissertation selectively analyzes the history of imagination in philosophy, cognitive science, and environmental thought. In addition, this dissertation also explores the role that images play in forming collective responses to environmental disasters, and the further role that imagination plays in overcoming the moral motivation gap.
Date:
December 2014
Creator:
Day, Philip Garrett
System:
The UNT Digital Library
Factorial Validity and Measurement Invariance of the Test of Performance Strategies, Sport Anxiety Scale, and the Golf Performance Survey Across Age Groups
The purpose of this study was to examine the factorial validity and measurement equivalence of the Test of Performance Strategies (TOPS; Thomas, Murphy, & Hardy, 1999); the Sport Anxiety Scale (SAS; Smith, Smoll, & Schultz, 1990); and the Golf Performance Survey (GPS; Thomas & Over, 1994) across age groups in a representative sample of amateur golfers. Based on archival data, participants comprising this study were 649 younger adult (n = 237) and older adult (n = 412) amateur golfers who played in the Dupont World Amateur Golf Championship in Myrtle Beach, South Carolina. The participants completed a set of questionnaires including psychological skills and strategies (e.g., self-talk, goal setting, imagery, etc.) used during competition, sport-specific competitive trait anxiety, and psychomotor skills and involvement in golf. Results demonstrated that the original factor structure of the TOPS competition subscale, the SAS, and the GPS, did not adequately fit the data among this sample of younger and older adult amateur golfers. Further exploratory and confirmatory factor analyses established evidence of factorial validity with the TOPS competition subscale, SAS, and the GPS with both younger and older adult amateur golfers. Configural, metric, scalar, and strict measurement invariance were identified in relation to the TOPS …
Date:
August 2014
Creator:
Deiters, Jay A.
System:
The UNT Digital Library
Social Support and Type II Diabetes in Older Married Hispanic Americans
Undergraduate thesis exploring psychosocial factors of type II diabetes in older married adults of the Hispanic American population. It is proposed that social support mitigates the effect of psychosocial problems on self-care behavior and posited that greater social support in the form of familial and spousal relationships is related to better health outcomes, specifically better self-reported disease self-management of type II diabetes in married Hispanics.
Date:
April 22, 2014
Creator:
Delk, Jenna
System:
The UNT Digital Library
Family Interaction Patterns, Child Attachment, and Child Emotional Adjustment
The present study examined the links between whole family interaction patterns, parent-child attachment, and child emotional adjustment in a sample of 86 community families with children between the ages of 8 and 11. Family interactions were observed and coded with the System for Coding Interactions and Family Functioning (SCIFF; Lindahl, 2001). Target children completed the Children’s Coping Strategies Questionnaire (CCSQ; Yunger, Corby, & Perry, 2005), and the Behavior Assessment System for Children- 2nd Edition, Self Report of Personality (BASC-2 SRP; Reynolds &Kamphaus, 2004). Results of hierarchical regressions indicated that Secure and Avoidant attachment each independently predicted children’s emotional symptoms in some models. Family Cohesion and Positive Affect moderated the relationship between father-child attachment and children’s emotional symptoms. Results of the current study support the utility of considering dyadic attachment and family interaction patterns conjointly when conceptualizing and treating children’s emotional outcomes.
Date:
August 2014
Creator:
Demby, Kimberly P.
System:
The UNT Digital Library
The Automatic Compensating Euphonium As the Ideal Choice for Performing Music Composed Originally for Ophicleide
None
Date:
August 2014
Creator:
Demy, Richard R.
System:
The UNT Digital Library
Sputtering of Bi and Preferential Sputtering of an Inhomogeneous Alloy
Angular distributions and total yields of atoms sputtered from bismuth targets by normally incident 10 keV -50 keV Ne+ and Ar+ ions have been measured both experimentally and by computer simulation. Polycrystalline Bi targets were used for experimental measurements. The sputtered atoms were collected on high purity aluminum foils under ultra-high vacuum conditions, and were subsequently analyzed using Rutherford backscattering spectroscopy. The Monte-Carlo based SRIM code was employed to simulate angular distributions of sputtered Bi atoms and total sputtering yields of Bi to compare with experiment. The measured sputtering yields were found to increase with increasing projectile energy for normally incident 10 keV - 50 keV Ne+ and Ar+ ions. The shapes of the angular distributions of sputtered Bi atoms demonstrated good agreement between experiment and simulation in the present study. The measured and simulated angular distributions of sputtered Bi exhibited an over-cosine tendency. The measured value of the degree of this over-cosine nature was observed to increase with increasing incident Ne+ ion energy, but was not strongly dependent on incident Ar+ ion energy. The differential angular sputtering yield and partial sputtering yields due to Ar ion bombardment of an inhomogeneous liquid Bi:Ga alloy have been investigated, both experimentally and …
Date:
December 2014
Creator:
Deoli, Naresh T.
System:
The UNT Digital Library
An Action Research Study of Community Building with Elementary Students in a Title I School
“In what ways does teaching with folk arts inspired visual arts-based instruction enhance community building among elementary students in a Title I school?” was the primary research question in this study. Agreeing with past and present day research that the construct of community is vital to social and cultural capital, this research attempts to determine how the notion of community benefits both students and teachers in the elementary art classroom. Folk art was utilized because this genre was accessible in terms of locality and familiarity among students and teachers. The purpose of this investigation was to produce teaching strategies and methods that show how community can be formed in the art classroom. The participants were elementary students, Grades 2 and 3, in a Title I school located in Denton, Texas. This investigation was conducted under an action research methodology. This approach to research is intended to be transformational, emergent, and accommodating. I recorded observations, field notes, and conversations from the participants. Emergent themes were discovered through content analysis and conceptual maps. Results from this investigation concluded transformation is only possible if the person wants change to happen. Data also showed that community and art education are symbiotic. Transformation, growth, and …
Date:
May 2014
Creator:
Dew, SaraBeth
System:
The UNT Digital Library
Charles Wuorinen’s Flute Variations Ii: an Analysis and Performance Guide
Charles Wuorinen’s contributions to contemporary music are significant. He has produced more than 260 compositions in a wide array of genres including pieces for orchestra, opera, ballet, chamber ensemble, and soloists. This document serves as an analysis and performance guide for Charles Wuorinen’s work for solo flute, Flute Variations II. Issues of analysis include serial techniques, time-point nesting, and pitch centricity and provide insight into the compositional style of the composer. As this work exhibits techniques borrowed from traditional shakuhachi performance, this document provides a brief history of the shakuhachi and an overview of the shakuhachi techniques utilized in Flute Variations II. The performance guide provides a pedagogical narrative to aid in the synthesis of conceptual ideas with contemporary techniques.
Date:
December 2014
Creator:
Dewhirst, Kristan K
System:
The UNT Digital Library
Electromagnetic Shielding Properties of Iron Oxide Impregnated Kenaf Bast Fiberboard
The electromagnetic shielding effectiveness of kenaf bast fiber based composites with different iron oxide impregnation levels was investigated. The kenaf fibers were retted to remove the lignin and extractives from the pores in fibers, and then magnetized. Using the unsaturated polyester and the magnetized fibers, kenaf fiber based composites were manufactured by compression molding process. The transmission energies of the composites were characterized when the composite samples were exposed under the irradiation of electromagnetic (EM) wave with a changing frequency from 9 GHz to 11 GHz. Using the scanning electron microscope (SEM), the iron oxide nanoparticles were observed on the surfaces and inside the micropore structures of single fibers. The SEM images revealed that the composite’s EM shielding effectiveness was increased due to the adhesion of the iron oxide crystals to the kenaf fiber surfaces. As the Fe content increased from 0% to 6.8%, 15.9% and 18.0%, the total surface free energy of kenaf fibers with magnetizing treat increased from 44.77 mJ/m2 to 46.07 mJ/m2, 48.78 mJ/m2 and 53.02 mJ/m2, respectively, while the modulus of elasticity (MOE) reduced from 2,875 MPa to 2,729 MPa, 2,487 MPa and 2,007 MPa, respectively. Meanwhile, the shielding effectiveness was increased from 30-50% to 60-70%, …
Date:
December 2014
Creator:
Ding, Zhiguang
System:
The UNT Digital Library
Framing Bilingual Education Policy: Articulation and Implementation in Texas
Language education policy and its implementation have been controversial and ongoing issues throughout the United States, especially in the border state of Texas, with its large population of students who are learning English. This dissertation reports two studies, the first of which was a frame analysis of problems and solutions as represented by the five bills amending the Texas Education Code with regard to bilingual education and English as a second language programs. These laws, passed in 1969, 1973, 1975, 1981, and 2001, have been enacted since 1968, the year the Bilingual Education Act (BEA) was passed. The problem framed consistently by these state policy documents was inadequate instruction for children who come to school speaking languages other than English. More variability was seen in the framing of solutions, with approaches changing from the authorization of instruction in languages other than English, to the establishment of mandated bilingual programs, to the extension of special language programs, and to the establishment of dual language immersion programs. The primary ideology influencing the policy documents was the monolingual English ideology; however, alternative ideologies are apparent in the policies that allow for dual language immersion programs. Geographic information systems (GIS) analysis was used in …
Date:
August 2014
Creator:
Dixon, Kathryn V.
System:
The UNT Digital Library