Certified athletic trainers (ATCs) play a unique role in sport environments as the primary medical staff available to athletes. Thus, ATCs are well positioned to oversee athletes’ physical and psychological well-being. Although sport psychologists (SPs) have been identified as a potential resource for ATCs, previous studies have reported a lack of collaboration between SPs and ATCs. This study aimed to (a) examine ATCs’ views regarding professional roles for both ATCs and SPs, (b) explore ATCs’ referral behaviors, (c) evaluate ATCs belief in the credibility of sport psychology across demographic (i.e., gender, age) and experiential variables (i.e., access to SPs), and (d) examine ATCs’ involvement in sport psychology. Four hundred ninety-six ATCs (265 men, 231 women) completed and returned the questionnaire. ATCs viewed assisting in the psychological recovery of athletes as the most acceptable professional role for fellow ATCs; aiding in the psychological recovery of injured athletes and teach mental skills were identified by ATCs as the most appropriate roles for SPs. In considering an athlete experiencing interpersonal difficulties (e.g., relationship problems), a mixed design ANOVA revealed a ATC sex by referral option interaction; female and male ATCs indicated they would likely refer the athlete to a counselor/therapist, followed by a SP, however, female ATCs reported a greater likelihood of referring to a counselor/therapist than male ATCs whereas male ATCs indicated a greater likelihood of referring to a SP. Further, ATCs’ regular access to SPs and completion of formal sport psychology coursework were identified as variables associated with greater belief in the credibility of sport psychology. These results suggest that access and previous experience with SPs remain significant variables associated with ATCs views about, and belief in, the work of SPs. Implications for sport psychology professionals and recommendations for future research are discussed.
Solid state lithium ion electrolytes are important to the development of next generation safer and high power density lithium ion batteries. Perovskite-structured LLT is a promising solid electrolyte with high lithium ion conductivity. LLT also serves as a good model system to understand lithium ion diffusion behaviors in solids. In this thesis, molecular dynamics and related atomistic computer simulations were used to study the diffusion behavior and diffusion mechanism in bulk crystal and grain boundary in lithium lanthanum titanate (LLT) solid state electrolytes. The effects of defect concentration on the structure and lithium ion diffusion behaviors in LLT were systematically studied and the lithium ion self-diffusion and diffusion energy barrier were investigated by both dynamic simulations and static calculations using the nudged elastic band (NEB) method. The simulation results show that there exist an optimal vacancy concentration at around x=0.067 at which lithium ions have the highest diffusion coefficient and the lowest diffusion energy barrier. The lowest energy barrier from dynamics simulations was found to be around 0.22 eV, which compared favorably with 0.19 eV from static NEB calculations. It was also found that lithium ions diffuse through bottleneck structures made of oxygen ions, which expand in dimension by 8-10% when lithium ions pass through. By designing perovskite structures with large bottleneck sizes can lead to materials with higher lithium ion conductivities. The structure and diffusion behavior of lithium silicate glasses and their interfaces, due to their importance as a grain boundary phase, with LLT crystals were also investigated by using molecular dynamics simulations. The short and medium range structures of the lithium silicate glasses were characterized and the ceramic/glass interface models were obtained using MD simulations. Lithium ion diffusion behaviors in the glass and across the glass/ceramic interfaces were investigated. It was found that there existed a minor segregation ...
Mg alloys have spurred a renewed academic and industrial interest because of their ultra-light-weight and high specific strength properties. Hexagonal close packed Mg has low deformability and a high plastic anisotropy between basal and non-basal slip systems at room temperature. Alloying with Li and other elements is believed to counter this deficiency by activating non-basal slip by reducing their nucleation stress. In this work I study how Li addition affects deformation mechanisms in Mg using atomistic simulations. In the first part, I create a reliable and transferable concentration dependent embedded atom method (CD-EAM) potential for my molecular dynamics study of deformation. This potential describes the Mg-Li phase diagram, which accurately describes the phase stability as a function of Li concentration and temperature. Also, it reproduces the heat of mixing, lattice parameters, and bulk moduli of the alloy as a function of Li concentration. Most importantly, our CD-EAM potential reproduces the variation of stacking fault energy for basal, prismatic, and pyramidal slip systems that influences the deformation mechanisms as a function of Li concentration. This success of CD-EAM Mg-Li potential in reproducing different properties, as compared to literature data, shows its reliability and transferability. Next, I use this newly created potential to study the effect of Li addition on deformation mechanisms in Mg-Li nanocrystalline (NC) alloys. Mg-Li NC alloys show basal slip, pyramidal type-I slip, tension twinning, and two-compression twinning deformation modes. Li addition reduces the plastic anisotropy between basal and non-basal slip systems by modifying the energetics of Mg-Li alloys. This causes the solid solution softening. The inverse relationship between strength and ductility therefore suggests a concomitant increase in alloy ductility. A comparison of the NC results with single crystal deformation results helps to understand the qualitative and quantitative effect of Li addition in Mg on nucleation stress and fault ...
Generation and migration of helium and other point defects under irradiation causes ferritic steels based on the Fe-Cr system to age and fail. This is motivation to study point defect migration and the He equation of state using atomistic simulations due to the steels' use in future reactors. A new potential for the Fe-Cr-He system developed by collaborators at the Lawrence Livermore National Laboratory was validated using published experimental data. The results for the He equation of state agree well with experimental data. The activation energies for the migration of He- and Fe-interstitials in varying compositions of Fe-Cr lattices agree well with prior work. This research did not find a strong correlation between lattice ordering and interstitial migration energy
A growing body of research has documented associations between personality disorders (PDs) and attachment disturbance, and yet, attachment disturbance does not necessarily guarantee the development of PD pathology. Thus, understanding the mechanisms mediating the relationship between attachment disturbance and PD pathology remains an open area of research. One area with sound theoretical and empirical evidence has shown that attachment disturbances are associated with emotion regulation difficulties, as well as maladaptive interpersonal patterns of behavior. However, the research conducted thus far has predominately focused on borderline personality disorder, at the exclusion of other PD domains, and also has not broadened the scope of research to include other relevant psychological processes that may clarify how personality pathology and attachment disturbance are interrelated. Using a large independent sample of college (n = 946) and community-based individuals (n = 271), the current study aimed to (1) examine how the Personality Inventory for DSM-5 (PID-5) PD trait domains would be differentially associated with maladaptive attachment processes and emotion regulation problems, and (2) explore whether deficits in mindfulness and emotion regulation mediated the relationship between disturbed attachment and PD trait domains. Findings suggested that the PID-5 PD trait domains have general and specific relations to attachment insecurity, impairments in emotion regulation, and decreased mindfulness. Overall, the current study suggests that improving emotion regulation skills and increasing dispositional mindfulness may limit the expression of pathological personality traits. Implications of these findings and directions for future research are discussed.
Attachment theory has established itself as applicable to many types of relationships, encompassing caregiver-child, romantic, interpersonal, and psychotherapeutic interactions. This project sought to investigate the application of attachment theory to clinical supervision. Using suggestions put forth in previous work by Watkins and Riggs, this study examined the dyadic interactions inherent in both supervision and attachment. Using the working alliance as determination of the quality of supervision, attachment styles, leader-follower attachment, and attachment-based expectations were explored as predictors for supervisor-trainee dyad outcome in a training clinic for doctoral psychology students. The study design is longitudinal and prospective. Findings indicate the necessity of measurement of supervisory-specific attachment rather than general attachment, the stability of working alliance over time, and the large contribution of the leader-member attachment framework to the understanding of supervisory attachment. Implications include the importance of maintaining hierarchical, evaluative boundaries within supervisory relationship, consistent with a leader-follower dynamic.
The elaborated intrusion (EI) theory of desire is a cognitive model that describes the processes involved in craving as intrusive thoughts that are elaborated upon leading to dissonance when desires are not met. While the theory is based on a wide body of research, certain theoretical predictions have not been fully examined. Specifically, EI theory argues that mental imagery has a central role in craving, and predicts that attempts to suppress substance-related intrusive thoughts and mental imagery is related to increased craving. Further, EI theory suggests that elaboration of craving imagery is related to attention and working memory processes, however, there are questions about whether differential performance in these domains is related to craving. The current study examined the relationship between attention/working memory performance and alcohol craving in a sample of 119 young adult males. Additionally, metacognition was examined to clarify the phenomenological aspects of craving within EI theory. Attention and working memory performance did not significantly predict intrusive thought and mental imagery elaboration. Individuals with high craving reported significantly higher levels of anxiety, thought suppression, and greater strength and frequency of craving-related mental imagery. They were also more likely to try to control their own thoughts and make negative judgments on their ability to do so. The strength of craving-related intrusive thoughts, not mental imagery, was the most significant predictor of craving. Implications for the understanding of craving and treatment recommendations based on the findings are discussed.
Bipolar disorder is associated with significant social and occupational impairments, as well as increased risk for substance abuse and suicide. More research is needed to identify potential mechanisms associated with vulnerability to the disorder. Previous research has identified altered processing of emotional information in bipolar and bipolar-prone individuals, including attentional biases which appear to differ based on the current affective state of the individual. The current study applied a sensitive measure of attention (i.e., eye-tracking) to assess whether vulnerability to bipolar disorder, as indexed by hypomanic personality traits, would be correlated with biases in attention to emotional facial stimuli, independent of mood state. Hypomanic personality traits were hypothesized to be associated with greater attention to happy and angry faces, as indexed by faster initial orientation, more frequent gazes, and longer gaze duration for these stimuli. Participants completed self-report measures assessing current mood symptoms, positive and negative affect, and hypomanic personality traits. They then completed two tasks assessing attention for emotional faces. The first was an eye-tracking task, which measured latency to first fixation, total gaze duration and total number of gazes for each emotional face category. The second was a spatial cueing task which assessed both attentional engagement with emotional faces, and ability to disengage attention from this material. Hypomanic personality traits were significantly negatively correlated with latency to orient attention to happy faces. A trend toward decreased latency to orient to angry faces with higher hypomanic personality traits was also demonstrated. Hypomanic traits were not correlated with attention to sad faces. Furthermore, hypomanic traits were associated only with differences in initial orientation of attention, not with continued engagement or disengagement. The results of this study suggest that individuals with higher levels of hypomanic personality traits, who are hypothesized to be at greater risk of developing bipolar disorder, are characterized ...
Research pertaining to the distortion of the squared canonical correlation coefficient has traditionally been limited to the effects of sampling error and associated correction formulas. The purpose of this study was to compare the degree of attenuation of the squared canonical correlation coefficient under varying conditions of score reliability. Monte Carlo simulation methodology was used to fulfill the purpose of this study. Initially, data populations with various manipulated conditions were generated (N = 100,000). Subsequently, 500 random samples were drawn with replacement from each population, and data was subjected to canonical correlation analyses. The canonical correlation results were then analyzed using descriptive statistics and an ANOVA design to determine under which condition(s) the squared canonical correlation coefficient was most attenuated when compared to population Rc2 values. This information was analyzed and used to determine what effect, if any, the different conditions considered in this study had on Rc2. The results from this Monte Carlo investigation clearly illustrated the importance of score reliability when interpreting study results. As evidenced by the outcomes presented, the more measurement error (lower reliability) present in the variables included in an analysis, the more attenuation experienced by the effect size(s) produced in the analysis, in this case Rc2. These results also demonstrated the role between and within set correlation, variable set size, and sample size played in the attenuation levels of the squared canonical correlation coefficient.
The goal of this project was to understand ethnic and generational differences in attitudes towards caregiving and expected burden while taking into consideration factors such as gender, generation, familism, and acculturation. One hundred and sixteen young adults (ages 18-25) and 93 middle-age adults (ages 38-62) were enrolled in the study. Participants included European Americans, African Americans, and Hispanics. Using moderation analysis, two hypotheses were investigated: 1) Ethnicity relates to attitudes towards caregiving, moderated by gender, generation, familism, and acculturation. 2) Ethnicity and expected burden relate to each other, moderated by gender, generation, familism, and acculturation. Familism emerged as a moderator in the relationship between ethnicity and expected burden. Results suggested that the strength of the relationship between being African American and expecting burden was less for those with moderate familism (R =.078), slightly higher for low familism (R = .176), and the highest for high familism (R= .261). Additional results indicated that the strength of the relationship between being Hispanic, as opposed to being European American, and expected burden, was higher for middle-aged adults (R =.23) when compared to young adults (R =.19). The current findings lend support to the recently established idea that familism is not protective against burden as it increases one's sense of obligation towards family (Knight & Sayegh, 2010).
This thesis is a reception study that examines potential reasons why the adolescent to college aged demographic of youth culture is embracing communicative and informational mobility. The project attests that the move to mobility is motivated by two major factors, the attraction of being an early adopter of technology and the way social behaviors are made attractive in mobile marketing. Chapter 1 explores the importance of these social behaviors, as they are very much intertwined and contribute to how youth acclimate into society. Chapter 2 demonstrates that creating social distinction and cultural capital is linked to being an early adopter of technology. The remaining portion of the document examines recent mobile advertisements and why youth would be attracted to the aesthetic and thematic elements contained in the advertisements. Chapter 3 examines how Blackberry utilizes the behavior of creating and expressing identity in their advertisements. Chapter 4 focuses on how Apple has worked to create a community centered around their brand. Finally, Chapter 5 looks at how Google/Android has highlighted the acquisition, sharing, and utilization of content through the phenomenon of applications. With this project, I hope to illustrate the rationale why youth would be attracted to communicative and informational mobility.
Auditors regularly make judgments regarding whether a client’s chosen accounting policy is appropriate and in accordance with generally accepted accounting Principles (GAAP). However, to form this judgment, auditors must either possess adequate topic-specific knowledge or must gain such knowledge through information search. This search is subject to numerous biases, including a bias toward confirmation of a client’s preference. It is important to further our understanding of bias in auditors’ information search to identify its causes and effects. Furthering our understanding is necessary to provide a basis for recommending and evaluating a potential debiaser, such as accountability. the Public Company Accounting Oversight Board (PCAOB) annually inspects the audit files of selected engagements, which introduces a new form of accountability within the auditing profession. This new form of accountability has come at great cost, however, there is little empirical evidence regarding its effects on auditors’ processes. As such, it is important to understand whether the presence of accountability from the PCAOB is effective in modifying auditors’ search behaviors to diminish confirmation bias. Using an online experiment, I manipulate client preference (unknown vs. known) and PCAOB accountability pressure (low vs. high) and measure search type (information –focus or decision-focus), search depth (shallow or deep) and documentation quality. I investigate whether auditors’ information search behaviors differ based on knowledge of client’s preference and in the presence of accountability from an expected PCAOB inspection. I also investigate whether differences in auditors’ information search behaviors influence documentation quality, which is the outcome of greatest concern to the PCAOB. I hypothesize and find a client preference effect on information search type such that auditors with knowledge of the client preference consider guidance associated with the client’s preference longer than those without knowledge of the client’s preference. Contrary to expectations, PCAOB accountability pressure does not influence information search ...
This thesis explores the classification of emotions in song lyrics, using automatic approaches applied to a novel corpus of 100 popular songs. I use crowd sourcing via Amazon Mechanical Turk to collect line-level emotions annotations for this collection of song lyrics. I then build classifiers that rely on textual features to automatically identify the presence of one or more of the following six Ekman emotions: anger, disgust, fear, joy, sadness and surprise. I compare different classification systems and evaluate the performance of the automatic systems against the manual annotations. I also introduce a system that uses data collected from the social network Twitter. I use the Twitter API to collect a large corpus of tweets manually labeled by their authors for one of the six emotions of interest. I then compare the classification of emotions obtained when training on data automatically collected from Twitter versus data obtained through crowd sourced annotations.
Mobile applications are growing in popularity and pose new problems in the area of software testing. In particular, mobile applications heavily depend upon user interactions and a dynamically changing environment of system events. In this thesis, we focus on user-driven events and use Q-learning, a reinforcement machine learning algorithm, to generate tests for Android applications under test (AUT). We implement a framework that automates the generation of GUI test cases by using our Q-learning approach and compare it to a uniform random (UR) implementation. A novel feature of our approach is that we generate user-driven event sequences through the GUI, without the source code or the model of the AUT. Hence, considerable amount of cost and time are saved by avoiding the need for model generation for generating the tests. Our results show that the systematic path exploration used by Q-learning results in higher average code coverage in comparison to the uniform random approach.
The effectiveness of colonoscopy depends on the quality of the inspection of the colon. There was no automated measurement method to evaluate the quality of the inspection. This thesis addresses this issue by investigating an automated post-procedure quality measurement technique and proposing a novel approach automatically deciding a percentage of stool areas in images of digitized colonoscopy video files. It involves the classification of image pixels based on their color features using a new method of planes on RGB (red, green and blue) color space. The limitation of post-procedure quality measurement is that quality measurements are available long after the procedure was done and the patient was released. A better approach is to inform any sub-optimal inspection immediately so that the endoscopist can improve the quality in real-time during the procedure. This thesis also proposes an extension to post-procedure method to detect stool, bite-block, and blood regions in real-time using color features in HSV color space. These three objects play a major role in quality measurements in colonoscopy. The proposed method partitions very large positive examples of each of these objects into a number of groups. These groups are formed by taking intersection of positive examples with a hyper plane. This hyper plane is named as 'positive plane'. 'Convex hulls' are used to model positive planes. Comparisons with traditional classifiers such as K-nearest neighbor (K-NN) and support vector machines (SVM) proves the soundness of the proposed method in terms of accuracy and speed that are critical in the targeted real-time quality measurement system.
Accurate estimates of tree and forest biomass are essential for a wide range of applications. Automated treetop detection and tree crown discrimination using LiDAR data can greatly facilitate forest biomass estimation. Previous work has focused on homogenous or single-species forests, while few studies have focused on mixed forests. In this study, a new method for treetop detection is proposed in which the treetop is the cluster center of selected points rather than the highest point. Based on treetop detection, tree crowns are discriminated through comparison of three-dimensional shape signatures. The methods are first tested using simulated LiDAR point clouds for trees, and then applied to real LiDAR data from the Soquel Demonstration State Forest, California, USA. Results from both simulated and real LiDAR data show that the proposed method has great potential for effective detection of treetops and discrimination of tree crowns.
In today’s fast paced world, as the number of stations of television programming offered is increasing rapidly, time accessible to watch them remains same or decreasing. Sports videos are typically lengthy and they appeal to a massive crowd. Though sports video is lengthy, most of the viewer’s desire to watch specific segments of the video which are fascinating, like a home-run in a baseball or goal in soccer i.e., users prefer to watch highlights to save time. When associated to the entire span of the video, these segments form only a minor share. Hence these videos need to be summarized for effective presentation and data management. This thesis explores the ability to extract highlights automatically using MPEG-7 features and hidden Markov model (HMM), so that viewing time can be reduced. Video is first segmented into scene shots, in which the detection of the shot is the fundamental task. After the video is segmented into shots, extraction of key frames allows a suitable representation of the whole shot. Feature extraction is crucial processing step in the classification, video indexing and retrieval system. Frame features such as color, motion, texture, edges are extracted from the key frames. A baseball highlight contains certain types of scene shots and these shots follow a particular transition pattern. The shots are classified as close-up, out-field, base and audience. I first try to identify the type of the shot using low level features extracted from the key frames of each shot. For the identification of the highlight I use the hidden Markov model using the transition pattern of the shots in time domain. Experimental results suggest that with reasonable accuracy highlights can be extracted from the video.
Automatic language identification has been applied to short texts such as queries in information retrieval, but it has not yet been applied to metadata records. Applying this technology to metadata records, particularly their title elements, would enable creators of metadata records to obtain a value for the language element, which is often left blank due to a lack of linguistic expertise. It would also enable the addition of the language value to existing metadata records that currently lack a language value. Titles lend themselves to the problem of language identification mainly due to their shortness, a factor which increases the difficulty of accurately identifying a language. This study implemented four proven approaches to language identification as well as one open-source approach on a collection of multilingual titles of books and movies. Of the five approaches considered, a reduced N-gram frequency profile and distance measure approach outperformed all others, accurately identifying over 83% of all titles in the collection. Future plans are to offer this technology to curators of digital collections for use.
Shadows in indoor scenarios are usually characterized with multiple light sources that produce complex shadow patterns of a single object. Without removing shadow, the foreground object tends to be erroneously segmented. The inconsistent hue and intensity of shadows make automatic removal a challenging task. In this thesis, a dynamic thresholding and transfer learning-based method for removing shadows is proposed. The method suppresses light shadows with a dynamically computed threshold and removes dark shadows using an online learning strategy that is built upon a base classifier trained with manually annotated examples and refined with the automatically identified examples in the new videos. Experimental results demonstrate that despite variation of lighting conditions in videos our proposed method is able to adapt to the videos and remove shadows effectively. The sensitivity of shadow detection changes slightly with different confidence levels used in example selection for classifier retraining and high confidence level usually yields better performance with less retraining iterations.
Globally distributed software teams are widespread throughout industry. But finding reliable methods that can properly assess a team's activities is a real challenge. Methods such as surveys and manual coding of activities are too time consuming and are often unreliable. Recent advances in information retrieval and linguistics, however, suggest that automated and/or semi-automated text classification algorithms could be an effective way of finding differences in the communication patterns among individuals and groups. Communication among group members is frequent and generates a significant amount of data. Thus having a web-based tool that can automatically analyze the communication patterns among global software teams could lead to a better understanding of group performance. The goal of this thesis, therefore, is to compare automatic and semi-automatic measures of communication and evaluate their effectiveness in classifying different types of group activities that occur within a global software development project. In order to achieve this goal, we developed a web-based component that can be used to help clean and classify communication activities. The component was then used to compare different automated text classification techniques on various group activities to determine their effectiveness in correctly classifying data from a global software development team project.
The increasingly popular cloud-computing paradigm provides on-demand access to computing and storage with the appearance of unlimited resources. Users are given access to a variety of data and software utilities to manage their work. Users rent virtual resources and pay for only what they use. In spite of the many benefits that cloud computing promises, the lack of dependability in shared virtualized infrastructures is a major obstacle for its wider adoption, especially for mission-critical applications. Virtualization and multi-tenancy increase system complexity and dynamicity. They introduce new sources of failure degrading the dependability of cloud computing systems. To assure cloud dependability, in my dissertation research, I develop autonomic failure identification and diagnosis techniques that are crucial for understanding emergent, cloud-wide phenomena and self-managing resource burdens for cloud availability and productivity enhancement. We study the runtime cloud performance data collected from a cloud test-bed and by using traces from production cloud systems. We define cloud signatures including those metrics that are most relevant to failure instances. We exploit profiled cloud performance data in both time and frequency domain to identify anomalous cloud behaviors and leverage cloud metric subspace analysis to automate the diagnosis of observed failures. We implement a prototype of the anomaly identification system and conduct the experiments in an on-campus cloud computing test-bed and by using the Google datacenter traces. Our experimental results show that our proposed anomaly detection mechanism can achieve 93% detection sensitivity while keeping the false positive rate as low as 6.1% and outperform other tested anomaly detection schemes. In addition, the anomaly detector adapts itself by recursively learning from these newly verified detection results to refine future detection.
JacobTV has spent over thirty years utilizing his interest in American pop culture as the muse upon which he creates his works. Sources of popular culture including commercials, television evangelists, political speeches, interviews, and urban pop songs have earned him the title of the “Andy Warhol of new music.” His contributions to classical music are significant and include works for solo instruments and voice, chamber ensembles, and large ensembles. This study serves as an annotated bibliography of selected pieces written for saxophone and boombox written by JacobTV. Chapter 2 provides a brief historical background of electronic music and chapter 3 describes JacobTV’s compositional style and vocabulary. The pieces included in the bibliography of chapter 4 are Believer (2006) for baritone saxophone and soundtrack; Billie (2003) for alto saxophone and soundtrack; Buku (2006) for alto saxophone and soundtrack; Garden of Love (2002) for soprano saxophone and soundtrack; Grab It! (1999) for tenor saxophone and soundtrack; May This Bliss Never End (1996) for tenor saxophone, piano, and soundtrack; TaTaTa (1998) for tenor and baritone saxophone and soundtrack; Heartbreakers (1997-98) for saxophone quartet, soundtrack, and video; Jesus Is Coming (2003) for saxophone quartet and soundtrack; Pitch Black (1998) for saxophone quartet and soundtrack; and Take A Wild Guess (2007) for saxophone quartet and soundtrack. In addition, chapter 5 provides a detailed analysis of JacobTV’s composition Pimpin’ and offers further insight into his “avant-pop” compositional style.
The Avatar for trumpet and piano by Dr. Steve Rouse is one of the most challenging compositions in the trumpet repertoire. Due to The Avatar's challenges and increasing popularity, a study is necessary to aid its performance. Each movement is performed on a different instrument: Bb piccolo (with an optional A piccolo part) for Nativity, Bb Flugelhorn for Enigma-Release and Bb trumpet for Rebirth. In addition, the performer must convey one of the work's possible programmatic meanings: (1) The Hindu belief of an Avatar and its life cycle, (2) the life of Christ or (3) the human lifecycle. Chapter 1 gives historical information about the work. Chapters 2-4 discuss each movement of The Avatar programmatically and pedagogically. Facets of each movement are analyzed including differences in programmatic choices, rehearsal techniques and sound concepts. Chapter 5 provides recording suggestions, including choosing a recording engineer, preparing and planning for a recording section, choosing a venue and the benefits of hiring a tonmeister.
Babel is a work for rock ‘n’ roll band (two electric guitars, electric bass, drum set), four soprano singers, and a twenty-one instrument mixed chamber ensemble. The 50-minute composition is based on the Tower of Babel story in Genesis 11:1-9, and the four-movement structure is derived from the form of this narrative. The first movement, “building rebellion,” establishes man’s intent to build a grand city and tower in a rebellion against God, while the second movement, “seeing/coming down,” describes the all-seeing God’s knowledge of man’s rebellion and God’s descent to the city. Movements three and four, “confusion” and “scatter,” depict the actions of God, confusing humankind’s language and scattering him over the earth. This project fuses rock ‘n’ roll influences with contemporary classical improvisation, creating a work that is sonically and dynamically excessive. One compositional goal was to use small amounts of material as the impetus for directed improvisation, which would be developed to create intricate and evolving textures. Each movement’s score is confined to a single page of music per part, necessitating highly graphic and aleatoric notation. The musical history and musicianship of each player greatly shapes the sonic outcome of Babel. Rigorous structure was mixed with extra-musical associations to create intricate layers of musical and metaphorical meanings. Every decision regarding form, pitch, rhythm, and improvisatory state is linked to a meaningful mathematical, philosophical, or theological idea. Out of the intention to illustrate a multi-layered, Biblical text interpreted in vastly different ways, came a complex work of art that challenges, yet welcomes, performers and listeners of all kinds.
While advancements in treatment have made HIV a more manageable disease, only recently have psychosocial variables associated with the health of persons living with HIV (PLH) began to receive increased scrutiny. HIV-related stigma, considered by some researchers to be a “second epidemic,” is one such psychosocial variable and is associated with negative physiological and psychological health outcomes. In an effort to alleviate the effects of stress, increased research attention has focused on forgiveness as a teachable coping strategy. Current forgiveness interventions demonstrate encouraging results in decreasing anger and neutralizing stress but have not been applied to HIV-positive populations. In this study, Lazarus and Folkman’s transactional model of stress and coping (1984) and Prochaska and Velicer’s transtheoretical model of health behavior (1997) were utilized as theoretical frameworks to inform a randomized clinical trial that examines coping skills, particularly forgiveness, in PLH and perceived HIV-related stigma. An ethnically diverse sample of HIV-positive adults (n = 57) was randomized into a treatment or control group. The treatment group participated in six weeks of cognitive-behavioral group therapy that focused on the teaching of forgiveness as an effective coping tool while the control group was psychoeducational in nature and did not involve mention of forgiveness. Data was obtained on a variety of medical and psychosocial variables, including types of forgiveness (dispositional forgiveness, forgiveness of self, forgiveness of others, and forgiveness of situations) and perceived HIV-related stigma. Data were collected at three time points: at baseline (Time 1) prior to randomization of participants to the treatment or control group, immediately post intervention (Time 2), and at six-month follow-up (Time 3). Importantly, forgiveness was shown to be a teachable skill that PLH can use to potentially improve mental health. Men in the treatment group reported significantly higher levels of dispositional forgiveness and self-forgiveness than men in the ...
Today’s military encompasses a wide variety of families who are affected by deployments in multiple and complex ways. Following deployments, families must reconnect in their relationships and reestablish their way of life. Appropriate and effective communication during this time is critical, yet many military couples struggle with this process. Moreover, student service members/veterans and their families are in a unique position. In addition to coping with changes in their marital relationship, student veterans may feel isolated or unsupported on college campuses, often experiencing anxiety, depression, posttraumatic stress, or suicidality. The current study seeks to bridge the gap between the military family literature and the student service member/veteran literature by examining how deployment experiences, mental health issues, and communication patterns influence post-deployment relationship adjustment among student veterans. Analyses tested whether communication style and/or current mental health concerns mediate associations between combat experiences and couples’ relationship adjustment, as well as between experiences in the aftermath of battle and relationship adjustment. Results suggest that although posttraumatic stress is significantly related to deployment experiences among student veterans, participants report no significant negative effects of deployment on relationship adjustment. Communication style, however, was significantly associated with relationship adjustment, and a lack of positive communication was found to correlate with PTSD diagnosis. Research and clinical implications are discussed.
This collection consists of a critical preface and nine essays. The preface analyzes, first, how the imagination influences the personal journey of a writer, and second, the techniques authors use, mainly form, time, and space, to enact the imagination and propel the reader into an imagined narrative. The essays explore themes of loss, mental illness, the rift between the “real” and the “imagined” life, and the intangibility of memory itself. Collection includes the essays “Into the Snow,” “No Longer a Part,” “Borderland,” “Still Wounds,” “What Stays in Las Vegas,” “Remnants,” “The Root,” “Your Father,” and “The Land Lord.”
David Baker (b. 1931) is an educator, composer, and jazz legend. He has composed at least fifteen works that include the clarinet. Baker’s Clarinet Sonata (1989) has become a standard of clarinet repertoire and a popular recital inclusion. His chamber work Heritage: A Tribute to Great Clarinetists (1996) interweaves solo transcriptions of five jazz clarinetists. The compositional style of Baker’s clarinet works frequently links jazz and classical idioms. The two works discussed in this document are excellent examples for classically trained musicians who would like to increase their ability and experience in interpreting jazz styles. The purpose of this document is: (1) to provide background, style, and performance considerations for Baker’s Clarinet Sonata and Heritage: A Tribute for Great Clarinetists, for Clarinet, Violin, Piano and Double Bass; (2) based on these style elements, to provide suggestions for interpreting jazz-style works for classically trained clarinetists; and (3) to archive Baker’s published and unpublished clarinet compositions. Appendices include transcripts of interviews with David Baker and other experts in this field (James Campbell, Rosana Eckert, Mike Steinel and Steven Harlos).
The current work is an intellectual history of how blood permeated early modern Spaniards' conceptions of morality and purity. This paper examines Spanish intellectuals' references to blood in their medical, theological, demonological, and historical works. Through these excerpts, this thesis demonstrates how this language of blood played a role in buttressing the church's conception of good morals. This, in turn, will show that blood was used as a way to persecute Jews and Muslims, and ultimately define the early modern Spanish identity.
During the Great Recession of 2007 and 2008, liquidity and credit dried up, threatening the stability of financial institutions, particularly the banking firms. Traditional source of funds from the last resort, the Discount Window of the Federal Reserve System, failed to remedy the liquidity problem. To assuage the liquidity and credit problem, the Federal Reserve System established several emergency lending facilities and provided unprecedented amount of loans to the banking industry. Using a dataset published by Bloomberg LLP in the aftermaths of the financial crisis, which contains daily loan balances from the Fed, I conduct an event study to test whether financial markets are efficient in reflecting all public, anticipated and classified information in security prices. The most important contribution of this dissertation to the finance discipline and literature is the investigation and analysis of the Fed’s unprecedented loans to the banking industry during the Great Recession and the market reaction to it. The second major contribution of this study is the empirical test of strong form efficient market hypothesis, which has not been feasible due to legal data challenges. This dissertation has other contributions to the finance discipline and banking research. First, I develop an algorithm for measuring the amount of borrowing by banks. Second, I introduce a new “loan balance” ratio to traditional list of bank financial ratios. Third, I use event study methodologies to allow for cross-correlation, heteroscedasticity and event induced-variance change in studying US banks’ performance during the Great Recession.
This thesis investigates the importance banks, and bankers had with the development of the Denton County Texas from the 1870s until the beginning of the Second World War. Specifically, their role in the formation of both private and public infrastructure as well as the facilitation towards a more diverse economy. Key elements of bank development are outlined in the study including private, national, and state bank operations.
Through a qualitative study utilizing in-depth interviews, practitioner opinion was gathered regarding how Christian institutions of higher education, primarily Baptist seminaries, may better utilize formal and continuing education to prepare clergy for pastoral leadership. The sample of ten subjects for this study, drawn from the 550 active senior pastors in the Dallas Baptist Association and the Kauf-Van Baptist Association, was selected based on a maximum variation sampling method. The intention was to provide a better understanding of the leadership skills required by senior pastors, to help develop pastoral ministries curriculum and to assess the potential effectiveness of continuing education for pastoral leadership. The subjects indicated that the formal degree program of their seminary did equip them with the basic knowledge needed for pastoral leadership but it did not provide them in sufficiency with the necessary, practical skills for pastoral leadership. The pattern that emerged from the data indicates that, overall, seminaries are providing a quality education in preparing pastors for the ministry in their formal degree plans. However, seminaries may have opportunities to be of further service and to gain a competitive advantage vis a vis other seminaries by enhancing and expanding their continuing education programs.
Paul Creston (1906-1985) was one of the most significant American composers from the middle of the twentieth century. Though Creston maintained elements of the nineteenth-century Romantic tradition and was categorized as a “Neo-Romantic” or “20th-century traditionalist,” many of Creston’s compositions contain elements of Baroque music. His Piano Sonata, Opus 9 provides significant examples of Baroque elements, while already foreshadowing his mature style. The purpose of this study is to explore Baroque elements in the compositional language of Paul Creston’s Piano Sonata, Opus 9. All four movements of the Piano Sonata will be examined in regards to its stylistic features associated with Baroque practices. These features mainly consist of rhythm, texture, imitative writing, and repeated phrase structure. Each category of the study will include comparisons of Domenico Scarlatti’s keyboard sonatas with Creston’s sonata. Through an examination of the Piano Sonata and its Baroque elements, this study hopes to inspire renewed interest in the work among musicians and to help the performer give a more stylistically coherent, and accurate, performance.
This case study evaluated Major League Baseball's (MLB) media product portfolio to identify how broadcast revenues have evolved over the past decade. This research looked back across baseball's long, dysfunctional history with broadcasters in order to recognize the significance of its ambitious use of online content. While MLB had failed to fully utilize the potential of broadcasting, the league's aggressive online strategy through its Advanced Media (MLBAM) division made it the industry leader in broadcasting live streaming sports video. MLBAM expanded its online streaming video to mobile phones and iPad, further expanding the distribution of its content. This research compared MLBAM revenue to traditional broadcast revenue while analyzing the online division's role in promoting the MLB brand. This case study concluded that while MLBAM had made a number of groundbreaking developments, the league could still improve its use of embedded, shared video clips, archived footage and international marketing in order to further extend the brand equity of the MLB, its thirty individual brands and its media product portfolio.
As the technology is advances the reduced size of hardware gives rise to an additive 1/f baseband noise. This additive 1/f noise is a system noise generated due to miniaturization of hardware and affects the lower frequencies. Though 1/f noise does not show much effect in wide band channels because of its nature to affect only certain frequencies, 1/f noise becomes a prominent in OFDM communication systems where narrow band channels are used. in this thesis, I study the effects of 1/f noise on the OFDM systems and implement algorithms for estimation and suppression of the noise using Kalman filter. Suppression of the noise is achieved by subtracting the estimated noise from the received noise. I show that the performance of the system is considerably improved by applying the 1/f noise suppression.
Student clarinet performers often encounter bass clarinet for the first time in a high school or university wind ensemble, so it is logical for clarinet pedagogues to encourage and assist their students in learning this wind band literature. In addition to becoming familiar with this oft performed repertoire, students will develop a set of specialized bass clarinet skills that one cannot learn on soprano clarinet. These skills include increased air capacity and support, timbre consistency in differing registers, intonation tendencies of the lower instrument, voicing flexibility, right hand thumb dexterity for keys that do not exist on soprano clarinet, technical facility for eleven pinky keys (as opposed to the seven pinky keys on a typical soprano clarinet, and effective altissimo fingerings. The purpose, then, of this document is to provide a performance guide for select bass clarinet solo excerpts from the wind band literature and to provide supplemental exercises intended to help students acquire the specialized bass clarinet skill set they will need in order to perform the selected excerpts successfully. The solos discussed in this document are excerpted from H. Owen Reed’s La Fiesta Mexicana, Florent Schmitt’s Dionysiaques, Percy Grainger’s Lincolnshire Posy, Frank Ticheli’s Blue Shades, William Bolcom’s First Symphony for Band, and Andrew Rindfleisch’s The Light Fantastic.
This literary/historical novel details the life of African-American Deputy US Marshal Bass Reeves between the years 1838-1862 and 1883-1884. One plotline depicts Reeves’s youth as a slave, including his service as a body servant to a Confederate cavalry officer during the Civil War. Another plotline depicts him years later, after Emancipation, at the height of his deputy career, when he has become the most feared, most successful lawman in Indian Territory, the largest federal jurisdiction in American history and the most dangerous part of the Old West. A preface explores the uniqueness of this project’s historical relevance and literary positioning as a neo-slave narrative, and addresses a few liberties that I take with the historical record.
The existing design provision in North American Specification for Cold- Formed Steel Structural Member (AISI S100) for the bearing strength of bolted connections were developed from tests on bolted connected sheets which were restrained by bolt nut and head with or without washers. However, in the cold-formed assemblies, particularly in trusses, the single bolt goes through both sides of the connected sections, making the connected sheets on each side unrestrained. the warping of the unrestrained sheet may reduce the bearing strength of the bolted connection. This research investigates the behavior and strength of bearing failure in bolted connections in cold-formed steel trusses. Tensile tests were conducted on trusses connections with various material thicknesses. It was found that the AISI S100 works well for thick connections but provides unconservative predictions for thin materials. Based on the experimental results, a modified bearing strength method is proposed for calculating the bearing strength of bolted truss connections. the proposed method can be used for any cold-formed steel connections with unrestrained sheet.
My dissertation aims at constructing an environmental ethics theory based on environmental aesthetics in order to advocate and promote environmentally sustainable practices, policies, and lifestyles. I attempt to construct an integrated environmental aesthetics in order to inspire people’s feelings of love towards nature and motivate them to protect it. In order to achieve this goal, I first examine the philosophical understanding and aesthetic appreciation of nature from philosophical traditions of China, which have an impact on the general public’s attitude towards nature. in chapter one of my dissertation, I point out that nature is viewed as an organic system which is always in a self-generating process of production and reproduction of life. the metaphysical foundation for this perspective of nature is ch’i. Therefore the aesthetic appreciation of nature in China is also the aesthetic appreciation of ch’i. with regard to the concept of ch’i, I focus on the following three questions: (1) what are the objective and aesthetic features of ch’i? (2) How do the Chinese appreciate aesthetic features of ch’i? (3) Why the objective features of ch’i are regarded as the objects of aesthetic appreciation? I argue that the Chinese appreciate the aesthetic features of ch’i by using intellectual intuition and that empathy is the reason why the objective features of ch’i are considered to be aesthetic features. in Chapter 2, I explain in detail the two aesthetic categories for aesthetic appreciation of nature in two major philosophical schools in China: emptiness and creativity. in Chapter 3, I examine the philosophical foundations for aesthetic appreciation of nature in the West. I first investigate the influence of traditional Western philosophy on the perceptions of nature. I argue that traditional Western philosophical thinking doesn’t support aesthetic appreciation of nature. I point out that aesthetic appreciation of nature started from eighteenth century ...
The purpose of this study was to investigate the impact of three relationships on academic achievement in mathematics in students of poverty. The three factors that were examined included: teacher-student relationships, parent-student relationships and peer- student relationships. The driving question for the research was as follows: Do external factors such as teacher-student relationships, parent-student relationships and peer-student relationships lead to academic success for students of poverty? The study employed a non-experimental, quantitative approach and utilized longitudinal data from a national database High School Longitudinal Study (HSLS) used a sample of 944 public and private high schools across the USA. A total 0f 28,240 were represented in the survey. Of these 28,240 students, 2641 were used in this study as identified by parental income below the poverty threshold. The outcome of the study indicated that there was little or no correlation between the three relationships and mathematics achievement (academic success). Correlations between the dependent variable (math achievement) and the independent variables even though some were statistically significant their weights had no concrete significance. The study recommends that several initiatives can be instated in schools to support and enhance academic achievement in students of poverty.
Candy Chang developed a public art installation where people are given the opportunity to write their answers to "Before I Die I want to ________." in a public space. I created one of these walls in Denton, TX and set it to music in a 12 minutes and 42 second piece titled Before I Die..., which combines elements of South Indian carnatic music, gospel, R&B, jazz fusion, and minimalism. The composition was influenced by the music of several crossover artists Becca Stevens, Michael League (Snarky Puppy), Nico Muhly, Poovalur Sriji, Tigran Hamasyan, and James Blake. Crossover music, fusion, and third-stream are all synonymous terms used to describe music where multiple genres or styles are authentically combined. The purpose of this thesis is to examine the balance of musical elements in crossover works as well as how specific works composed by the artists mentioned have influenced the creation of the Before I Die... piece.
To do justice to Shakespeare’s comprehensive moral and political thought this paper seeks to discover what we can learn from the political philosophy of his largely neglected comedy, Taming of the Shrew. Not only does this endeavor provide a valuable forgotten link within the critical analyses of the theorists, but it also corrects the various misinterpretations of the play among contemporary critics. I argue that the play surveys various key themes that are rooted in classical political philosophy – such as education, the problems of anger, and the dynamic between nature and convention – and takes into consideration how they apply to modern man. Shakespeare borrows Plato’s idea that eroticism is central to education and explicitly references Ovid’s love books to reexamine our conceptions about one’s formation of character, the proper standards for judging the ideal mate, and the effects of these issues on the stability of the community. I also submit an innovative explanation of the relation between the induction and the main plot. Taken together they exhibit a critique of the role of the poet and his art in modern civil society.
The existing research on Latino familialism draws a distinction between the attitudes associated with familialism and familialism-based action. Because attitudes tend to be more stable when considering variables such as immigration generation status, etc., social science researchers tend to employ measures based on attitudinal aspects of familialism, rather than action or behavior. Because of this preference, there is a lack of studies that examine familialism-based action and behaviors. This dissertation consists of three unique studies that examine actions and behaviors associated with familialism, while taking into account the methodological concerns expressed by previous researchers. The first study uses nationally representative U.S. data to compare the differences in the frequency of contact with various family members, among black non-Hispanics, Hispanics, and white non-Hispanics. The central finding of this study is that Hispanics maintain more frequent contact with family than white non-Hispanics, but there is no difference between Hispanics and black non-Hispanics, with the exception of contact with fathers. The second study, which employs qualitative data collected from a metropolitan area in the Southwest U.S., examines the locus of educational aspirations and expectations among a sample of Hispanics and white non-Hispanics. Among other things, this study finds that Hispanic females were more likely than other participants to make statements that suggest the aspirations or expectations of significant others were a strong influence in the decision to attend college. This study further argues that this tendency is related to the acquiescent nature of traditional Hispanic gender norms associated with the familial concept of marianismo. Using nationally representative U.S. data, the final study finds that, other things being equal, Hispanic college students are more likely than non-Hispanic students to attend a college or university that is within fifty miles of their permanent residence. The study further finds that this tendency mediates the gap between ...
Although response effort is considered a dimension of the cost to obtain reinforcement, little research has examined the economic impact of effort on demand for food. The goal of the present study was to explore the relationship between effort and demand. Three Sprague Dawley rats were trained to press a force transducer under a series of fixed-ratio schedules (1, 10, 18, 32, 56, 100, 180, 320, and 560) under different force requirements (5.6 g and 56 g). Thus, nominal unit price (responses / food) remained constant while minimal response force requirements varied. Using a force transducer allowed the measurement of responses failing to meet the minimal force requirement (i.e. “subcriterion responses”), an advantage over prior approaches using weighted levers to manipulate effort. Consistent with prior research, increasing the unit price decreased food consumption, and raising minimum force requirements further reduced demand for food. Additionally, increasing the force requirement produced subcriterion responses. Analysis indicated that subcriterion responses did not create incidental changes in unit price. Obtained force data revealed that including obtained forces in unit price calculations provided better predictions of consumption when compared to using criterion force requirements.
Staff training packages combining instructions, modeling, practice, and feedback have been shown to be effective in demonstrating skills to work in early intensive behavioral intervention, but maintenance and generalization of the skills trained are often not addressed. Establishing a community of practice, in which staff members continue to learn and develop new skill sets from one another through shared experiences and information, may lead to the endurance and maintenance of desired staff behavior over time. The purpose of the current study is to evaluate the effects of a behaviorally designed community of practice on staff use of socially embedded consequences. The effects of the training procedure were evaluated using a concurrent multiple baseline design across two sites (7 staff members). The results suggest that the behaviorally planned community of practice was effective in reinforcing and maintaining staff use of socially embedded consequences for at least 5 to 9 weeks. Additionally, the number of learning opportunities provided by the staff and social engagement between staff and child increased.
Musical instruments are not static, unchanging objects. They are, instead, things that materially evolve in symmetry with human practices. Alterations to an instrument's design often attend to its ergonomic or expressive capacity, but sometimes an innovator causes an entirely new instrument to arise. One such instrument is the Chapman Stick. This instrument's history is closely intertwined with global currents that have evolved into virtual, online scenes. Virtuality obfuscates embodiment, but the Stick's world, like any instrument's, is optimally related in intercorporeal exchanges. Stickists circumvent real and virtual obstacles to engage the Stick world. Using an organology informed by the work of Heidegger and Merleau-Ponty, this study examines how the Chapman Stick, as a material "thing," speaks in and through a virtual, representational environment.
Béla Bartók (1881-1945), one of the twentieth century’s most significant composers, is also well known as an ethnomusicologist and concert pianist. However, Bartók’s work as a pedagogue and as an editor has received relatively little scholarly attention, despite famous pupils and despite his preparation of numerous critical and educational editions of his own and others’ works. While the critical editions are few, a significant number of Bartók’s editions of piano works have an educational purpose; these editions contain highly detailed performing indications and hold substantial potential for investigating Bartók’s ideas on the performance of works by other composers. Bartók edited nineteen piano sonatas by Haydn for educational purposes between 1911 and 1920. Bartók’s edition of Haydn’s Piano Sonata Hob.XVI:49 in E-flat Major is compared with both the first edition and the facsimile of the manuscript, with a focus on articulation, pedaling, dynamics, fingering, and other significant markings such as indications of expression and ornamentations. This document examines Bartók’s editorial input in this edition as an exemplar of his stylistic principles, and explores the value of Bartók’s Haydn editions as performing editions by critically examining both his editorial contributions and possible execution issues. This study thus provides an understanding of Bartók’s stylistic ideas regarding classical style, and promotes consideration of these editions for contemporary performers.
This thesis film is an examination of my evolving perspectives and understanding of my Irish heritage as I travel to the city of Belfast, Northern Ireland. Through the course of a year and a half, I traveled to Belfast to explore the modern state of the sectarian conflicts between the Catholic and Protestant communities. Through the use of personal reflection, historical research, interviews with local residents, and on-location experiential learning, I began to learn not only about the modern state of Belfast and its economic and social climate, but also about the complexities of personal cultural identification and the concept of “truth” and “mutual guilt” when associated with acts of violence. With the use of the short documentary as the medium of choice, I am able to relay to audiences not only my own personal reflection of identity and history, but then allow them to reflect on their own perspectives as well, helping to create sincere moments of personal thought and reflections.
Existing co-branding and brand extension research generally coalesces around two important constructs: perceptual fit and attitude toward the brand. Studies in co-branding and brand extension to date have generally emphasized the transference of affective elements of attitude from parent brand to the extension. Researchers and practitioners clearly need to learn more about the transfer of belief, the cognitive elements of attitude. Too little is currently known about whether and how beliefs are actually transferred in co-branding and brand extension applications, particularly in terms of perceptual fit. This dissertation investigates belief transfer and the effect of perceptual fit on belief transfer in co-branding and brand extension scenarios and develops answers to the following research questions: 1.Are different categories of beliefs transferable from parent brand to theextension? 2.How do various sub-dimensions of perceptual fit affect belief transfers fromparent brands to the extension? 3.How do different categories of beliefs affect consumers’ intentions to purchasethe extension products? Categorization Theory was used as the fundamental theory to build the hypotheses. This dissertation involved qualitative studies, belief scale development, and experimental design studies. The results revealed that aesthetic and functional beliefs are positively transferred from parent brand to the extension. The transfer of aesthetic beliefs is affected by the level of brand fit while the transfer of functional beliefs is independent upon the level of any perceptual fit construct. Finally, cognitive structure based on the strength of extension beliefs is more predictive upon the purchase intention. Findings will extend the co-branding and brand extension literature, especially in terms of the pattern of belief transfers that unfold subject to the influence of various perceptual fit constructs. The results will also provide additional insights about the role that perceptual fit plays in influencing categories of consumer beliefs as those beliefs are also influenced by the specific perceptual fits ...
Through the years, educational theorists and researchers have been interested in a possible relationship between teachers' effectiveness and their beliefs and expectations. Three concepts underpinned this work: teacher effectiveness, cultural diversity, and teachers' beliefs and expectations. The premise of the study was that the beliefs and expectations of effective secondary choral teachers are related to the social-cultural contexts in which they teach. The study implemented critical discourse analysis as the theoretical framework and the in-depth phenomenological long interview for data collection. Three secondary choral teachers were selected to participate in the study based on the researcher's criteria. The study revealed how each teacher conceptualized student cultural diversity during the teaching experience. Teacher beliefs about effective teaching in culturally diverse settings were described as developing over time in phases along a continuum. The study also confirmed that teachers' beliefs about students can be changed through experiences and reflection. The study revealed effective teachers focused on three different types of expectations in the teaching and learning context and affirmed diverse cultural identities and backgrounds. Recommendations included the development of stronger mentorship programs to increase effective teaching strategies for the secondary choral classroom. The findings of this study support my previous work, which introduces a sequential learning framework for teaching music in culturally diverse schools.
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