Equivalence Classes of Subquotients of Pseudodifferential Operator Modules on the Line (open access)

Equivalence Classes of Subquotients of Pseudodifferential Operator Modules on the Line

Certain subquotients of Vec(R)-modules of pseudodifferential operators from one tensor density module to another are categorized, giving necessary and sufficient conditions under which two such subquotients are equivalent as Vec(R)-representations. These subquotients split under the projective subalgebra, a copy of ????2, when the members of their composition series have distinct Casimir eigenvalues. Results were obtained using the explicit description of the action of Vec(R) with respect to this splitting. In the length five case, the equivalence classes of the subquotients are determined by two invariants. In an appropriate coordinate system, the level curves of one of these invariants are a pencil of conics, and those of the other are a pencil of cubics.
Date: August 2012
Creator: Larsen, Jeannette M.
System: The UNT Digital Library
Lind, James Meyer the Trumpet Concertos of Anthony Plog: a Performer’s Guide (open access)

Lind, James Meyer the Trumpet Concertos of Anthony Plog: a Performer’s Guide

Anthony Plog (b. 1947) has contributed several notable works for brass instruments. He is known for writing extremely technically challenging works that contain angular melodies, fast rhythms and a large degree of chromaticism. Though his music is difficult, it also conveys intense emotions. His music for trumpet, specifically Concerto no. 1 for Trumpet, Brass Ensemble and Percussion and Concerto no. 2 for Trumpet and Orchestra, represents a zenith in his compositional development. This dissertation examines Concerto no. 1 and Concerto no. 2 from a performer’s perspective to better understand the stylistic characteristics and challenges encountered in his music. Each concerto is examined in terms of rhythmic structure, intervallic structure, thematic material, motivic material and form.
Date: August 2012
Creator: Lind, James Meyer
System: The UNT Digital Library
Using the S-o-r Model to Understand the Impact of Website Attributes on the Online Shopping Experience (open access)

Using the S-o-r Model to Understand the Impact of Website Attributes on the Online Shopping Experience

Using Mehrabian and Russell’s (1974) stimulus (S) - organism (O) - response (R) model, this study developed online shopping experience framework that explains consumer behavioral responses toward online and offline stores. The results of the examined hypothesized relationships in this study reveal website attributes that create positive affective and attitudinal states and behavioral responses toward the retailers and retailers’ websites. Among website attributes, interface design is the strongest predictor of all behavioral responses, while website attributes relating to shopping services and security/privacy affect long term behavioral responses, such as purchase intention and brand loyalty. This study is imperative to practitioners and researchers, as they will help further develop online store environments and online shopping experience.
Date: August 2012
Creator: Zimmerman, Jonelle
System: The UNT Digital Library
Conductor Awareness of, Knowledge of, and Attitude Toward Sound Intensity Levels Generated During Ensemble-based Instructional Activities in College-level Schools of Music (open access)

Conductor Awareness of, Knowledge of, and Attitude Toward Sound Intensity Levels Generated During Ensemble-based Instructional Activities in College-level Schools of Music

In 2011, the National Association of Schools of Music (NASM) took an official position to recognize the importance of hearing health and injury prevention as a standard for all member-accredited institutions. This is the largest national acknowledgement promoting hearing health and safety within the music discipline and among students seeking a music degree in the United States. The purpose of the study is to describe what conductors (i.e., instructors) of college-based ensembles know about hearing health and the generation of sound intensity levels. The study aimed to describe the 1) current state of conductors’ awareness and knowledge of sound intensity levels, 2) current attitudes of conductors toward learning and sharing knowledge of sound intensity levels, and 3) current teaching practices of conductors in regard to equipment usage (e.g. sound level meter, noise dosimeter, hearing protection devices) relating to sound measurement and exposure. Findings indicate 80.2% of conductors (N = 162, 66% employed by NASM-accredited institutions) agree that sounds generated during ensemble-based instructional activities (EBIAs) in college-level schools of music are capable of harming human hearing, but 24.1% “do not know” if EBIAs they conduct ever exceed sound intensity levels capable of harming human hearing, 54.9% do not know “what services …
Date: August 2012
Creator: Albin, Aaron J.
System: The UNT Digital Library
The Peer Created Motivational Climate in Youth Sport and Its Relationship to Psychological Outcomes and Intention to Continue in Sport Among Male Adolescents (open access)

The Peer Created Motivational Climate in Youth Sport and Its Relationship to Psychological Outcomes and Intention to Continue in Sport Among Male Adolescents

Social agents in the youth sport domain (coaches, parents, and peers) play a crucial role in developing the motivational approaches of youth sport athletes. One theory which has been useful in explaining the important role of such social agents has been Achievement Goal Theory (Nicholls, 1989). Specifically, Achievement Goal Theory was used to delineate various peer behaviors as being task-involving (Ntoumanis & Vazou, 2005) and was used to predict subsequent relationships relationship between the task-involving motivational-climate created by teammates and athletes’ mastery goal orientations and self-esteem, sport competence, enjoyment, and intention to continue playing sport. Participants were 405 boys aged 12-15 years. Using structural equation modeling, an exploratory analysis and confirmatory analysis revealed that higher levels of task-involving behaviors from peers predicted mastery goal orientation. Participants with higher mastery goal orientation reported greater sport competence, self-esteem, and more enjoyment; enjoyment was the strongest predictor of intention to continue. These findings both emphasize the importance of peer relationships within sport on a variety of motivationally and psychologically salient outcomes and provide direction for the development of training programs targeted to create positive and healthy sport experiences.
Date: August 2012
Creator: Atkins, Matthew R.
System: The UNT Digital Library
What Are They Learning: a Study of Errors Produced During Behavior Acquisition Utilizing Two Prompting Procedures with a Cat (open access)

What Are They Learning: a Study of Errors Produced During Behavior Acquisition Utilizing Two Prompting Procedures with a Cat

Prompting methods are common amongst animal trainers, both novice and experts. However, there is little empirical evidence to demonstrate the strengths or weaknesses of common prompting procedures. The current study assessed the strengths and weaknesses during behavior acquisition of two prompting methods, luring and targeting. Luring placed an edible directly in front of the animal which guided the animal through the desired behavior. Targeting, however used a target, an arbitrary object the animal has been trained to touch, guide behavior. A cat was trained, using each method, to walk around a flower. Walking around the right flower pot was trained using luring and walking around the left flower pot was trained using targeting. After both behaviors were acquired, a delay cue method was designed to transfer stimulus control. Later a combination of a delay cue and prompt fading was used. During acquisition the luring method acquired the behavior of walking around a pot more quickly with consistently fewer errors. During stimulus transfer the cat began independently initiating the behavior earlier with the target trained behavior and produced more correct behaviors after the verbal cue. Luring appeared to produce the faster behavior, but after stimulus transfer it could be concluded that …
Date: August 2012
Creator: Beasley, Robin Lynn
System: The UNT Digital Library
Multi-perspective, Multi-modal Image Registration and Fusion (open access)

Multi-perspective, Multi-modal Image Registration and Fusion

Multi-modal image fusion is an active research area with many civilian and military applications. Fusion is defined as strategic combination of information collected by various sensors from different locations or different types in order to obtain a better understanding of an observed scene or situation. Fusion of multi-modal images cannot be completed unless these two modalities are spatially aligned. In this research, I consider two important problems. Multi-modal, multi-perspective image registration and decision level fusion of multi-modal images. In particular, LiDAR and visual imagery. Multi-modal image registration is a difficult task due to the different semantic interpretation of features extracted from each modality. This problem is decoupled into three sub-problems. The first step is identification and extraction of common features. The second step is the determination of corresponding points. The third step consists of determining the registration transformation parameters. Traditional registration methods use low level features such as lines and corners. Using these features require an extensive optimization search in order to determine the corresponding points. Many methods use global positioning systems (GPS), and a calibrated camera in order to obtain an initial estimate of the camera parameters. The advantages of our work over the previous works are the following. …
Date: August 2012
Creator: Belkhouche, Mohammed Yassine
System: The UNT Digital Library
Antigravity (open access)

Antigravity

This dissertation contains two parts: Part I, which discusses the elegy of possessive intent, a subgenre of the contemporary American elegy; and Part II, Antigravity, a collection of poems. English elegies have been closely rooted to a specific grief, making the poems closer to occasional poems. The poet—or at least the poet’s speaker—seeks some kind of public consolation for (often) a private loss. The Americanized form does stray from the traditional elegy yet retains some of its characteristics. Some American elegies memorialize failed romantic relationships rather than the dead. In their memorials, these speakers seek a completion for the lack the broken relationship has created in the speakers’ lives. What they can’t replace, they substitute with something personal. As the contemporary poem becomes further removed from tradition, it’s no surprise that the elegy has evolved as well. Discussions of elegies have never ventured into the type of elegy that concerns itself with the sort of unacknowledged loss found in some contemporary American poems of unrequited love. These poems all have speakers who willfully refuse to acknowledge the loss of their love-objects and strive to maintain control/ownership of their beloveds even in the face of rejection.
Date: August 2012
Creator: Bowen, Ashley Hamilton
System: The UNT Digital Library
Kleinian Groups in Hilbert Spaces (open access)

Kleinian Groups in Hilbert Spaces

The theory of discrete groups acting on finite dimensional Euclidean open balls by hyperbolic isometries was borne around the end of 19th century within the works of Fuchs, Klein and Poincaré. We develop the theory of discrete groups acting by hyperbolic isometries on the open unit ball of an infinite dimensional separable Hilbert space. We present our investigations on the geometry of limit sets at the sphere at infinity with an attempt to highlight the differences between the finite and infinite dimensional theories. We discuss the existence of fixed points of isometries and the classification of isometries. Various notions of discreteness that were equivalent in finite dimensions, no longer turn out to be in our setting. In this regard, the robust notion of strong discreteness is introduced and we study limit sets for properly discontinuous actions. We go on to prove a generalization of the Bishop-Jones formula for strongly discrete groups, equating the Hausdorff dimension of the radial limit set with the Poincaré exponent of the group. We end with a short discussion on conformal measures and their relation with Hausdorff and packing measures on the limit set.
Date: August 2012
Creator: Das, Tushar
System: The UNT Digital Library
Service Provisions for Youth with Emotional and Behavioral Disorders (open access)

Service Provisions for Youth with Emotional and Behavioral Disorders

Youth with emotional or behavioral disorders (EBD) have poorer outcomes compared to their peers with and without disabilities. As a result, the federal government has mandated transition services to improve supports and ultimately student outcomes. Using data from the National Longitudinal Transition Study-2 (NLTS-2), this secondary analysis looked at services provided to youth with EBD (n = 410). The purpose of the study was to show a relationship between utilization of multiple services and the attainment of paid employment, and/or attending post-secondary education. Results indicate relationships between receiving financial services, tutoring and educational services and vocational services with attending a post-secondary institution. Logistic regression indicated a relationship between time, age and amount or services with paid employment. These results indicate the need for continuous, systematic and linked services for youth with EBD well into their twenties.
Date: August 2012
Creator: Dean, Latoya Lavan
System: The UNT Digital Library
Child Rescue As Survival Resistance: Hidden Children in Nazi-occupied  Western Europe (open access)

Child Rescue As Survival Resistance: Hidden Children in Nazi-occupied Western Europe

The phenomenon of rescue organizations that devoted themselves specifically to hiding and saving Jewish children appeared throughout Nazi-occupied Western Europe (France, Belgium, and the Netherlands). Jewish and non-Jewish rescuers risked their lives to save thousands of children from extermination. This dissertation adds to the historiographical understanding of Holocaust resistance by analyzing the efforts of these child rescue organizations as a form of “survival resistance.” Researching the key aspects of traditional resistance (conscious intent, extensive organization, and effective turn-out) demonstrates that, while child rescue did not present armed resistance, it still was a form of active resistance against the Nazi Final Solution. By looking at rescuers’ testimonies and archival sources (from Yad Vashem, United States Holocaust Memorial Museum, Centre de documentation juive contemporaine, and Kazerne Dossin), this dissertation first outlines the extensive organization and intent of Jewish rescue groups, such as the Oeuvre de Secours aux Enfants (OSE) and Comité de défense des Juifs (CDJ), in France, Belgium, and the Netherlands. The second part looks at rescue organization and intent by Catholic, Protestant, and humanitarian groups. The dissertation concludes by discussing the effectiveness of organized child rescue. In the end, the rescue groups saved thousands of children and proofs that Child …
Date: August 2012
Creator: Decoster, Charlotte Marie-Cecile Marguerite
System: The UNT Digital Library
Mist Characterization in Drilling 1018 Steel (open access)

Mist Characterization in Drilling 1018 Steel

Minimum quantity lubrication replaces the traditional method of flood cooling with small amounts of high-efficient lubrication. Limited studies have been performed to determine the characteristics of mist produced during MQL. This study investigated the mist concentration levels produced while drilling 1018 steel using a vegetable based lubricant. ANOVA was performed to determine whether speed and feed rates or their interactions have a significant effect on mist concentration levels and particle diameter. It was observed that the concentration levels obtained under all four speed and feed rate combinations studied exceeded the current OSHA and NIOSH standards.
Date: August 2012
Creator: Cole, Ian
System: The UNT Digital Library
Set for Life: a Novel (open access)

Set for Life: a Novel

This collection of six chapters is an excerpt from a novel based on the book of Job, as told through the viewpoint of a contemporary woman from Texas. A preface exploring the act of starting over, fictionally and creatively, precedes the chapters.
Date: August 2012
Creator: Coleman, Britta
System: The UNT Digital Library
Korean Traditional Elements and Contemporary Compositional Techniques in Hyowon Woo’s Choral Music As Reflected in Gloria (open access)

Korean Traditional Elements and Contemporary Compositional Techniques in Hyowon Woo’s Choral Music As Reflected in Gloria

Among native Korean choral composers, Hyowon Woo has emerged as one of the most significant representatives of choral genre, both in Korea and internationally. She has created a new style of choral music that combines traditional Korean musical elements with contemporary Western compositional techniques, in a synthesis that generates new sonorities and effects. Her choral music falls into three basic categories: music employing direct quotation of Korean folk tunes or other elements, which produce typical Korean sonorities; music using Western practices, which produce modern and Western flavors; and music combining Korean traditional methods with modern Western concepts. Hyowon Woo’s unique contribution to contemporary Korean choral music is ideally represented by her Gloria, which will form the basis for this study. Because traditional Korean music culture has such a strong presence and influence on her choral compositions, detailed knowledge of these elements are essential for the study and performance of her work. The combination of traditional Korean music and Western contemporary techniques lies at the core of her compositional style, and is the principal focus of this study. A detailed understanding of these stylistic elements, both Korean and Western, and how they work together to achieve the composer’s purpose and vision, …
Date: August 2012
Creator: Chang, Yoonchung
System: The UNT Digital Library
Child Teacher Relationship Training As a Head Start Early Mental Health Intervention for Children Exhibiting Disruptive Behavior:  an Exploratory Study (open access)

Child Teacher Relationship Training As a Head Start Early Mental Health Intervention for Children Exhibiting Disruptive Behavior: an Exploratory Study

This exploratory study examined the effectiveness of child teacher relationship training (CTRT) with at-risk preschool children exhibiting disruptive behavior. The participants included a total of 23 Head Start teachers and their aides, and children identified by their teachers as exhibiting clinical or borderline levels of externalizing behavior problems. Teacher participants included 22 females and 1 male; demographics were reported as 56% Hispanic ethnicity, 17% Black American, and 22% European American. Child participants included 15 males and 5 females; demographics were reported as 60% Hispanic, 30% Black American, and 10% European American. A 2 by 3 (Group x Repeated Measures) split plot ANOVA was used to analyze the data. According to teacher reports using the Teacher Report Form (C-TRF) and blinded raters’ reports using the Direct Observation Form (DOF) to assess disruptive behaviors, children whose teachers received the CTRT intervention demonstrated statistically significant decreases (p < .05) in externalizing behaviors on the C-TRF and total problems on the DOF from pre- to mid- to post-test, compared to children whose teachers participated in the active control group. The CTRT intervention demonstrated large treatment effects on both measures (C-TRF: ?p2 =.173; DOF: ?p2=.164) when compared to CD, revealing the practical significance of the …
Date: August 2012
Creator: Gonzales, Terri Lynn
System: The UNT Digital Library
The Effects of Increasing Rates of Reinforcement Through an Alternative Fluent Behavior on the Acquisition and Extinction of Behavior in Dogs (open access)

The Effects of Increasing Rates of Reinforcement Through an Alternative Fluent Behavior on the Acquisition and Extinction of Behavior in Dogs

The purpose of the present study was to experimentally investigate the effects of interspersing the opportunity to perform a fluent behavior during the acquisition of a new behavior. The experimenter trained left and right paw movements in domestic canines using a multiple treatment design. One paw movement was trained with a typical shaping procedure while the other was trained with an opportunity to perform a fluent behavior, touching the dog’s nose to a plastic disc, following each successive approximation in the shaping procedure. Two extinction phases were implemented during the experiment. The results showed that higher rates of reinforcement were achieved primarily following changes in criteria for reinforcement for the behavior in acquisition. There were no effects on rate of acquisition of the behavior, but adding an alternative fluent behavior may have slowed the differentiation between the reinforced behavior and alternative behaviors for one dog. The behavior trained with the addition of an alternative fluent behavior extinguished more quickly than in the control condition and extinguished at similar rates to the opposite leg movement. This suggests that the technique of offering an alternative fluent behavior may facilitate the chaining of the opposite behavior with the behavior targeted for reinforcement.
Date: August 2012
Creator: Coulter, Laura E.
System: The UNT Digital Library
Cardinal Giovanni Battista De Luca: Nepotism in the Seventeenth-century Catholic Church and De Luca's Efforts to Prohibit the Practice (open access)

Cardinal Giovanni Battista De Luca: Nepotism in the Seventeenth-century Catholic Church and De Luca's Efforts to Prohibit the Practice

This dissertation examines the role of Cardinal Giovanni Battista de Luca in the reform of nepotism in the seventeenth-century Catholic Church. Popes gave very large amounts of money to their relatives and the burden of nepotism on the Catholic Church was very onerous. The Catholic Church was crippled by nepotism and unable to carry out its traditional functions. Although Cardinal de Luca and Pope Innocent XI worked tirelessly to end nepotism, they were thwarted in their attempts by apprehension among the Cardinals concerning conciliarism and concerning the use of reform measures from the Council of Trent; by Gallicanism and the attempts of the French King to exercise power over the French Church; and by the entrenchment of nepotism and its long acceptance within the Church. Cardinal de Luca and Innocent XI were not able to push through reforms during their lifetimes but Pope Innocent XII was able to complete this reform and pass a reform Bull. This dissertation has two complementary themes. First, a confluence of circumstances allowed for the unfettered growth of nepotism in the seventeenth-century Church to the point of threatening the well-being of the Catholic Church. Reform was not undertaken until the threat to Church finances was …
Date: August 2012
Creator: Cowan, H. Lee
System: The UNT Digital Library
Untangling the Effects of Scheduled Exercise on Child Engagement, Stereotypy, and Challenging Behavior (open access)

Untangling the Effects of Scheduled Exercise on Child Engagement, Stereotypy, and Challenging Behavior

There is limited research pertaining to the effects of exercise on the behavior of children with autism. Previous researchers focused on exploring the dimensions of the exercise itself, leaving a functional account of the effects of exercise undetermined. There is recent evidence that exercise suppresses responses maintained by automatic reinforcement. The purpose of the present study was to better identify the relevant independent variable in such research and to assess if there were differential effects of exercise across functional response classes. The experimenter conducted a trial-based functional analysis and then implemented a sedentary or vigorous activity on alternating days to determine the impact of exercise on engagement, stereotypy, and challenging behavior. Results across functional response classes were variable as were data across individual sessions. There was a mean suppression of behavior maintained by nonsocial reinforcement during post-sedentary (4.3%) and post-exercise sessions (2.3%). A discussion of the role of matched stimulation and heart rate as a pertinent variable follows.
Date: August 2012
Creator: Currier, Thomas D. R.
System: The UNT Digital Library
Motivation and Resilience in Art Education: Insight and Inspiration From the Lives and Careers of Two Taiwanese College Art Teachers (open access)

Motivation and Resilience in Art Education: Insight and Inspiration From the Lives and Careers of Two Taiwanese College Art Teachers

This narrative study explores how two Taiwanese college art teachers’ lives and teaching experiences illustrate the ways they cultivate resilience and motivation to sustain professional commitments amidst challenges in their teaching careers. I use the life story interview as my methodology and a three-dimensional space approach to code and analyze my data to retell their stories about how resilience and motivation have guided them as they negotiated dilemmas in teaching. The participants’ stories demonstrate that in order to be motivated, teachers must satisfy their basic needs, which, in the language of Maslow’s need theory, include secure income, safety, love and belonging, respect, and personal accomplishment. To be resilient, art teachers need to facilitate self-efficacy as an essential belief to face challenges, and they also must gain support from family members, students, school administrators, and fellow members of professional organizations as external support resources. This study also illuminates the significance of international educational exchanges, the teaching knowledge constructed through layers of life and professional experience, and the importance of creating dialogue to address teachers’ challenges. Recommendations for future study include exploring further the relationship between motivation and resilience, specifying how gender difference affects the ways participants tell their stories, investigating how …
Date: August 2012
Creator: Chang, Ya-Ping
System: The UNT Digital Library
First Principles Calculations of the Site Substitution Behavior in Gamma Prime Phase in Nickel Based Superalloys (open access)

First Principles Calculations of the Site Substitution Behavior in Gamma Prime Phase in Nickel Based Superalloys

Nickel based superalloys have superior high temperature mechanical strength, corrosion and creep resistance in harsh environments and found applications in the hot sections as turbine blades and turbine discs in jet engines and gas generator turbines in the aerospace and energy industries. The efficiency of these turbine engines depends on the turbine inlet temperature, which is determined by the high temperature strength and behavior of these superalloys. The microstructure of nickel based superalloys usually contains coherently precipitated gamma prime (?) Ni3Al phase within the random solid solution of the gamma () matrix, with the ? phase being the strengthening phase of the superalloys. How the alloying elements partition into the and ? phases and especially in the site occupancy behaviors in the strengthening ? phases play a critical role in their high temperature mechanical behaviors. The goal of this dissertation is to study the site substitution behavior of the major alloying elements including Cr, Co and Ti through first principles based calculations. Site substitution energies have been calculated using the anti-site formation, the standard defect formation formalism, and the vacancy formation based formalism. Elements such as Cr and Ti were found to show strong preference for Al sublattice, whereas Co …
Date: August 2012
Creator: Chaudhari, Mrunalkumar
System: The UNT Digital Library
Correcting the Record: a Comparison of Vladimir Ashkenazy’s Urtext-based Edition of Pictures at an Exhibition with Orchestration By Ravel and Stokowski (open access)

Correcting the Record: a Comparison of Vladimir Ashkenazy’s Urtext-based Edition of Pictures at an Exhibition with Orchestration By Ravel and Stokowski

Modest Mussorgsky (1839-1881) never published his piano suite, Pictures at an Exhibition. The first publication of the Pictures was Nikolai Rimsky-Korsakov’s (1844-1908) piano edition in 1886, five years after Mussorgsky’s death. Among several piano editions of Pictures, Manfred Schandert’s urtext piano edition of 1984 has shed new light on the piano suite. The urtext edition is based on a facsimile of Mussorgsky’s autograph, and Schandert’s authoritative urtext contains all of Mussorgsky’s musical indications that previous editions neglected to include. Previous orchestrations based on less comprehensive editions include well-known orchestrations by Maurice Ravel (1875-1937) and Leopold Stokowski (1882-1977). Vladimir Ashkenazy (b. 1937), on the other hand, derived his orchestration directly from the Schandert edition. In this study I argue that Ashkenazy offers “corrections” to his predecessors, Ravel and Stokowski, whose orchestrations differ—at times radically—from Mussorgsky’s autograph. This dissertation thus will explore the significant features of Ashkenazy’s orchestration in relation to the urtext edition by comparing it to the orchestrations of Ravel and Stokowski. In an age of attempts to present “authentic” versions of past music, Ashkenazy’s orchestration provides an authenticity that other orchestrations lack. Ashkenazy’s orchestration of Pictures at an Exhibition provides conductors an alternative performance option that is both effective …
Date: August 2012
Creator: Choi, Hoon
System: The UNT Digital Library
Installation and Manufacturing of Photovoltaics: an Assessment Using California and New York (open access)

Installation and Manufacturing of Photovoltaics: an Assessment Using California and New York

Renewable energy studies are becoming increasingly important as world energy demand rises and current energy sources are increasingly questioned. Solar photovoltaics (PV) are the focus of this study as a renewable industry still in its infancy. This research examines the geography of solar panel installation and manufacturing from 2007 to 2010 in California and New York. California is the larger of the two markets and has implemented more policy support; programs that appear to have increased the pace of installations, reduce the size of the subsidy, and help lower total costs. Similar trends are observable in New York. US based companies are still making solar panels, but foreign competitors, most notably from China and Mexico, are capturing an increasing share of the market.
Date: August 2012
Creator: Dohanich, Elizabeth
System: The UNT Digital Library
Using Pre-session Mindfulness to Improve Therapy Presence (open access)

Using Pre-session Mindfulness to Improve Therapy Presence

While a significant amount of research illustrates the positive effects of therapists’ use of mindfulness, few studies have addressed whether therapists’ mindfulness actually improves psychotherapy outcomes. Additionally, no existing research has examined whether therapists’ use of a mindfulness exercise immediately before meeting with a client could also have a positive impact on the following session. The purpose of this study was to test whether engaging in a centering exercise 5-10 minutes before a session could have a positive impact on therapy, in particular on the therapists’ ability to remain present in session. Results indicated that the trainee therapists did not report changes in mindfulness after the brief mindfulness training program. Results also indicated that completing the centering exercise before a session did not appear to impact client ratings of therapeutic presence and session outcomes. The results suggest that more intensive training in mindfulness may be necessary to impact psychotherapy outcomes.
Date: August 2012
Creator: Dunn, Rose A.
System: The UNT Digital Library
Music of the Spheres: Astronomy and Shamanism in the Music of Urmas Sisask (open access)

Music of the Spheres: Astronomy and Shamanism in the Music of Urmas Sisask

In 1619, Johannes Kepler published his magnum opus Harmonices mundi in which the astronomer derived distinct pitches and scales for each known planet in the solar system from calculations of various aspects of their orbital motions. This was the first theoretical realization of the ancient tradition of musica universalis (also called musica mundana), or music of the celestial bodies. It was not until the Estonian composer Urmas Sisask (b. 1960) began his compositional career by deriving his own “planetary scale,” however, that the theoretical musica universalis came into audible existence. Sisask’s work represents a distinctive musical voice among today’s choral composers, and although he is steadily gaining attention for his unique compositional style, only limited information exists about the specifics of his background, his interest in astronomy and shamanism, and the subsequent influence these interests have had on his choral music. At once traditional and modern, he bridges the gap between ancient Estonian folk song and the present. Through an application of exotic techniques including extreme repetition, ritualistically driving rhythms and sudden changes in timbre and texture; coupled with his own peculiarly crafted “planetary scale,” Urmas Sisask has created a completely unique body of work which is examined in this …
Date: August 2012
Creator: Edmonds, David Michael
System: The UNT Digital Library