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 Collection: UNT Theses and Dissertations
The Pennsylvania Rifle: the Evolution of its Tactical Employment in the American Revolution
There are two opinions as to the effectiveness of the Pennsylvania Rifle during the Revolutionary War. On one hand it is alleged that the rifle was, at best, not particularly useful, and that its disadvantages outweighed its advantages. In contradiction to this we find that the British military appealed to London for rifles, and that the British government specified that there be a definite number of riflemen among the mercenaries they hired. Furthermore, according to Fortescue, the British military were forced to change their tactics, at least in part, because of the rifle. It is the purpose of this thesis to resolve this conflict by determining which of the two positions, if either ,is correct, or to determine the extent to which they may both be correct. digital.library.unt.edu/ark:/67531/metadc130537/
El Pensamiento de José Martí tergiversado como Ideología Política y de Lucha por la Revolución Cubana
The political ideologies that Martí envisioned of an America free from the inherited yoke of European ideals were taken by Fidel Castro as an anti-imperialist discourse. Therefore, Marti’s political vision on the power that the United States began to carry out at the end of the 19th century and the beginning of the 20th century was an excellent strategy to establish the anti-imperialist character of the Cuban revolution. Since 1961, Castro set Martí as the face of his Marxist-Leninist ideology to institute his anti-American philosophy; Castro created a myth of Marti’s persona, and converted him into the bastion of his political ideology. As a result, Castro distorted the revolutionary ideas of Marti’s. Castro proposed his ideas out of context and portrayed the incorrect idea of this great thinker and poet. Martí’s human ethic and love for the independence of Cuba placed Martí as a liberator of revolutionary and progressive ideas of his generation. Martí was not thought as a dictator and never was a man who lacked democratic values. The expressed analytical assimilation of Martí on his sociopolitical and economic juncture that was presented in America and Cuba was used to trace the political anti-imperialist propaganda by the dictatorial regime lead by Castro. This thesis will emphasize the persona of Jose Martí as a revolutionary, visionary and educator of his generation, then it will present the incorrect interpretation of Marti’s ideology by Fidel Castro, as an ideal to embark his revolution. Finally, the differences of his ideas in contrast to the political and social ideology of the Cuban revolution will be explained. digital.library.unt.edu/ark:/67531/metadc103328/
Peonies for Topaz
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A collection of three, interwoven short stories set in Japantown, San Francisco and the Topaz Internment Camp in central Utah during World War II. The pieces in this collection feature themes of cultural identity and the reconstruction of personal identity in times of change and crisis. Collection includes the stories "Moving Sale," "Evacuation," and "Resettlement." digital.library.unt.edu/ark:/67531/metadc12097/
Peptide-based hidden Markov model for peptide fingerprint mapping.
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Peptide mass fingerprinting (PMF) was the first automated method for protein identification in proteomics, and it remains in common usage today because of its simplicity and the low equipment costs for generating fingerprints. However, one of the problems with PMF is its limited specificity and sensitivity in protein identification. Here I present a method that shows potential to significantly enhance the accuracy of peptide mass fingerprinting, using a machine learning approach based on a hidden Markov model (HMM). This method is applied to improve differentiation of real protein matches from those that occur by chance. The system was trained using 300 examples of combined real and false-positive protein identification results, and 10-fold cross-validation applied to assess model discrimination. The model can achieve 93% accuracy in distinguishing correct and real protein identification results versus false-positive matches. The receiver operating characteristic (ROC) curve area for the best model was 0.833. digital.library.unt.edu/ark:/67531/metadc4645/
Perceived attractiveness and personality attributes: A gender and racial analysis
Subjects rated 12 female body shapes with respect to their physical attractiveness, and the extent to which they would be expected to possess various personality characteristics. The shapes were varied using 3 levels of overall weight and 4 levels of body shapeliness. The sample was modified to control for socioeconomic factors and results are based on 297 undergraduates from Caucasian, African American, and Hispanic racial backgrounds. Loglinear analyses revealed that men and women, regardless of racial background, rated shapely underweight females as most physically attractive, sexy, and ideal for a woman, followed by normal weight figures of similar proportion. African Americans, women in particular, judged the shapely normal weight figures more favorably than the other subjects. Multidimensional scaling and subsequent frequency analyses showed that those figures judged as most attractive, sexy, and ideal were also expected to be fairly emotionally stable, and most successful and interpersonally competitive, but least faithful, kind, and family-oriented. Overweight female shapes, while rated as least physically attractive, sexy, and emotionally stable, were expected to be most family-oriented, kind, and faithful. Shapely normal weight figures were judged to be attractive and sexy, and were assumed to possess a moderate amount of the personality traits in question. The results suggest that Caucasian and Hispanic subjects prefer shapely underweight women, while African Americans, particularly women, find shapely underweight and shapely normal weight women to be physically appealing. African American women also rate shapely normal weight women favorably with respect to personality traits. This perceptual difference may help inoculate them from developing eating disturbances and account for the low prevalence rate of eating disorders in African Americans compared to women of other racial backgrounds. It is suggested that future research identify those beliefs, values or behaviors that seem to inoculate African American women from developing eating disorders. Once identified, mental health professionals may facilitate their development in those women who are likely to have eating problems. digital.library.unt.edu/ark:/67531/metadc2509/
Perceived attributes of diffusion of innovation theory as predictors of Internet adoption among faculty members of Imam Mohammed Bin Saud University.
The Internet is the most common communication and research tool worldwide. Perusal of the World Wide Web quickly reveals the variety of information available. Internet adoption can be considered the late 20th century's most important event. In academic environments today, Internet use among faculty members has been widely expanded, with professors now integrating Internet technology into classroom activities. Imam Muhammad Bin Saud Islamic University (IMSU) is a pioneering public university in Saudi Arabia. Until recently, some faculty members at IMSU were unable to access the Internet through the university. It is important to study the effects of this delay on faculty members regarding research and academic activities. This study identified the statistically significant differences in demographic characteristics of Internet adopters and non-adopters among faculty members at IMSU, examined whether faculty members' perceptions of the Internet affected adoption, determined if the university administration's decisions impacted faulty members' decisions to adopt the Internet, identified factors motivating faculty members to adopt the Internet, identified obstacles influencing faculty members' decisions to use the Internet, and determined whether innovation characteristics as perceived by faculty members predicted Internet adoption. Using Rogers' diffusion of innovation theory, the influence of eight attributes were examined regarding Internet adoption among IMSU faculty members. Multiple regression and chi-square techniques were conducted to analyze the data and answer research questions. Statistically significant differences were identified among Internet adopters and non-adopters regarding gender, age, academic rank, discipline, and English proficiency. The data revealed 54.7% of IMSU faulty members used the Internet for research and academic activities twice a month or less, indicating a low Internet adoption rate. Statistically significant differences were noted among adopters and non-adopters relative to income level and English proficiency. Multiple regression analysis showed that all attributes of innovation individually predicted Internet adoption. The combination of all attributes indicated the model could predict Internet adoption among faculty. digital.library.unt.edu/ark:/67531/metadc3710/
Perceived barriers to faculty participation in distance education at a 4-year university.
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The purpose of this study was to identify perceived barriers to faculty participation in distance education courses in a 4-year university. The literature review was divided into four general areas, each of which may act as a barrier to faculty participation; training, administrators, rewards/compensation, and faculty characteristics/demographics. The research population consisted of 570 faculty and 59 administrators from the eight UNT schools/colleges. Dr. Kristin Betts developed the survey instrument in 1998 for similar research conducted at the George Washington University. Analysis of the collected data revealed that there was no statistically significant relationship found between faculty characteristics and faculty participation in distance education. Faculty participants and administrators disagreed on which factors, from a list of 34 items, had motivated faculty to participate in distance education. Nonparticipants and administrators disagreed on which of the factors, if not available, would be barriers to faculty participation in distance education. Participants and nonparticipants disagreed regarding the level to which selected rewards and compensations had motivated faculty to participate, and the lack of which would inhibit faculty participation in distance education. Finally, 71% of the participants had participated or planned to participate in distance education training compared to only 33% of the nonparticipants. It is obvious that administrators and faculty do not place the same level of importance on motivational or inhibiting factors that may affect faculty participation in distance education. These results indicate that additional research should be accomplished to determine the basis for the disagreement among the three groups. digital.library.unt.edu/ark:/67531/metadc4263/
Perceived Change in Behavior Associated with Peer Feedback in Work Teams
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This study investigated if the use of a team feedback system resulted in peers perceiving a change in behavior. Personality variables such as conscientiousness, agreeableness, and extraversion were examined as possible moderators. Self-ratings and peer ratings were collected from 164 individuals through the use of the Center for Collaborative Organizations' Team Feedback System. Using polynomial regression, it was determined that time 1 peer ratings predicted behavior change and the combination of conscientiousness variables moderated peer perceived behavior change. digital.library.unt.edu/ark:/67531/metadc4815/
Perceived Effects of a Mid-length Study Abroad Program
The focus of the study was the University of Dallas’ Rome Program, a mid-length study abroad program on the university’s campus in Rome, Italy. The program is designed to provide participants with the opportunity to encounter firsthand Western tradition by integrating the core curriculum through classroom teachings and class excursions, thus solidifying the foundation of the participants’ undergraduate education. Beyond this purpose, the Rome Program does not operate from established goals and objectives for student experience. I consulted relevant research literature to construct a schema of domains of development appropriate to this qualitative study. These domains were intellectual development, global perspective, career development, and spiritual development. I interviewed 20 University of Dallas seniors who participated in the mid-length study abroad program between fall 2009 and spring 2011, using an extended, semi-structured interview protocol. The participants included 11 females and 9 males; 19 White and 1 Hispanic. The findings were supported by subsequent review by 4 of the interviewed students. I found generally strong but inconsistent support for student development in each of the domains. A number of sub-themes are reported. Through the interviews, an additional theme of personal development emerged and is reported. Although the findings generally support the conclusion that the Rome Program is successful, good education practice leads to a recommendation of more explicit setting of goals by higher education program planners and administrators. Such goal setting provides rationale for program construction, provides students with their own goal framework, and establishes a tangible framework for ongoing program evaluation. digital.library.unt.edu/ark:/67531/metadc115057/
Perceived features and similarity of images: An investigation into their relationships and a test of Tversky's contrast model.
The creation, storage, manipulation, and transmission of images have become less costly and more efficient. Consequently, the numbers of images and their users are growing rapidly. This poses challenges to those who organize and provide access to them. One of these challenges is similarity matching. Most current content-based image retrieval (CBIR) systems which can extract only low-level visual features such as color, shape, and texture, use similarity measures based on geometric models of similarity. However, most human similarity judgment data violate the metric axioms of these models. Tversky's (1977) contrast model, which defines similarity as a feature contrast task and equates the degree of similarity of two stimuli to a linear combination of their common and distinctive features, explains human similarity judgments much better than the geometric models. This study tested the contrast model as a conceptual framework to investigate the nature of the relationships between features and similarity of images as perceived by human judges. Data were collected from 150 participants who performed two tasks: an image description and a similarity judgment task. Qualitative methods (content analysis) and quantitative (correlational) methods were used to seek answers to four research questions related to the relationships between common and distinctive features and similarity judgments of images as well as measures of their common and distinctive features. Structural equation modeling, correlation analysis, and regression analysis confirmed the relationships between perceived features and similarity of objects hypothesized by Tversky (1977). Tversky's (1977) contrast model based upon a combination of two methods for measuring common and distinctive features, and two methods for measuring similarity produced statistically significant structural coefficients between the independent latent variables (common and distinctive features) and the dependent latent variable (similarity). This model fit the data well for a sample of 30 (435 pairs of) images and 150 participants (χ2 =16.97, df=10, p = .07508, RMSEA= .040, SRMR= .0205, GFI= .990, AGFI= .965). The goodness of fit indices showed the model did not significantly deviate from the actual sample data. This study is the first to test the contrast model in the context of information representation and retrieval. Results of the study are hoped to provide the foundations for future research that will attempt to further test the contrast model and assist designers of image organization and retrieval systems by pointing toward alternative document representations and similarity measures that more closely match human similarity judgments. digital.library.unt.edu/ark:/67531/metadc4749/
Perceived Racial Discrimination and Psychiatric Outcomes among Asian Americans
The present study related generational status, family dynamics, and perceptions of racial discrimination (PRD) to acute psychiatric outcomes among a nationally representative Asian American sample (N = 2095), using data from the National Latino and Asian American Study (NLAAS). High self-reports of PRD were correlated with endorsement of clinical depression and suicidality as predicted. Regression analyses suggested that high PRD, low family cohesion, and high family conflict served as significant predictors of poor mental health independently, but moderator hypotheses predicting the interaction of these factors were not supported. Clinical and research implications are provided. digital.library.unt.edu/ark:/67531/metadc12210/
Perceived Submaximal Leg Extension Forces of Young Adult Males
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The purpose was to examine actual force (AF) productions of males for accuracy during leg extensions when given a random desired force (DF) ranging from 10-90% of maximal force (MF). Thirty males ranging from 18 to 30 years of age (M = 21.99 + 3.04), who had no previous experience with the test equipment, went through 9 randomly ordered submaximal efforts followed by a maximal effort. Correlations between AF and DF were high (r > .79) and test-retest was consistent between AF (r = .87) and MF (r = .90). Participants consistently undershot DF on both test and retest from 20-90% and overshot DF only at 10%. Power functions revealed exponents of less than 1, indicating that AF grows slower then DF for both test .70 (.95 CI = .63 - .77) and retest .66 (.95 CI = .60 - .73). The results replicate a prior study by Jackson, Martin, Koziris, Ludtke, and Dishman (2001) that used incremental rather than random increases in DF. digital.library.unt.edu/ark:/67531/metadc2840/
The Perceived Value Among Employers of College Study Abroad for Engineers
Engineering graduates of the twenty-first century must be worldly and understand how to work with professionals from many cultures on projects that cross international boundaries. Increasingly, employers are finding that prospective employees who have studied abroad make better, more rounded candidates than those who have no life experience outside of their home region. The objective of this study was to determine whether engineering students who participate in a major-specific, study abroad experience are more desirable as candidates for employment than those who only study at their home institution. This descriptive study surveyed the membership of the combined Industrial Advisory Boards of the University of North Texas College of Engineering (n=90) which is a focused group of skilled managers and directors that represent various businesses, industries and organizations. The survey yielded a 58% response rate. The evaluation was validated by a survey that searched for a perceptual trend among representatives from business and industry who are in a hiring capacity for engineering graduates, evaluating a major-specific study abroad experience as part of a graduate’s employability and career growth. Statistical Analysis was made on Companies whose scope of business is domestic and international comparing the perceived value of study abroad as a characteristic for hiring new engineers, as well as comparing the perceived value of foreign study or work experience on the career development of engineers. These tests indicated that at the 0.05 level there was no statistical significance in the findings. Additional analysis was made on groups of employees that either had foreign experience (work or study) and those that did not. These tests indicated that there was no statistical significance in the findings. Analysis of the data indicates that although having a major specific study abroad experience may not be important at the entry level, it becomes more important as an engineer progresses into mid-career. It could also indicate change in the business climate and a growing need for global awareness. Additional observations show that other co-curricular activities, such as internships and grades weigh more in the hiring of a new engineering graduate. digital.library.unt.edu/ark:/67531/metadc149606/
Perceived value of journals for academic prestige, general reading and classroom use: A study of journals in educational and instructional technology.
Conducting research, evaluating research, and publishing scholarly works all play an extremely prominent role for university faculty members. Tenure and promotion decisions are greatly influenced by the perceived value of publications as viewed by members of faculty evaluation committees. Faculty members seeking tenure may be limited to publishing in a limited group of journals perceived to be valuable by members of an academic committee. This study attempted to determine the value of various kinds of periodicals (journals, magazines, and e-journals), based on three principal criteria, as perceived by professionals (university faculty, K-12 practitioners, and corporate trainers) in the educational/instructional technology (E/IT) field. The criteria for journal evaluation were Academic Prestige, General Reading, and Classroom Use. The perceived value of journals based on each criterion was compared to determine any significant differences. Members of the Association for Educational Communications and Technology (AECT) were asked to rate 30 journals in the E/IT field using the three criteria. Statistically significant differences were found among ratings in 63% of the journals. The statistical analyses indicated that differences in the perceived value of journals among E/IT professionals across the three criteria (Academic Prestige, General Reading, and Classroom Use) were statistically significant. It is also noted that refereed journals were rated higher than nonrefereed journals for the Academic Prestige criterion. Survey respondents indicated that individual journals were not valued for the same reasons. This finding implies that the formation of any equitable measure for determining the value of faculty members' journal article publications would be best if based on definable criteria determined by colleagues. Lists of valued journals for each area of faculty assessment would provide standards of excellence both inside and outside the E/IT field for those who serve on tenure and promotion committees in educational institutions. digital.library.unt.edu/ark:/67531/metadc4233/
Perceiving matter in notes on space, undated (log 3) by André du Bouchet, Fontfroide-le-Haut, Fata Morgana, 2000
This study of the graphic field in notes on space, undated (log 3) focuses on how the white emptiness of a page plays a structural role in the articulation of dissociated fragments of notes. According to the criteria of three theorists (Genette, Lapacherie, Baetens), the distinction between non-linear and tabular proves to be non-exclusive in this particular work. Ostensibly, this non-figurative writing instigates interactive contemplation and lends itself to multiple entries, like an object one contemplates from every possible visual perspective without ever constructing a representation or image. The poetic form that du Bouchet explores renders perceptible the latent materiality of all text. digital.library.unt.edu/ark:/67531/metadc4389/
The perception of English language arts teachers about instructional changes following the implementation of the Texas Assessment of Knowledge and Skills test.
Accountability in education has been expanding for the past twenty years. As standards for curricular areas continued to develop, educational shareholders desired a way to measure student achievement contextualized by the established standards. Since 1964, policies expanded federal involvement with education, and with the No Child Left Behind Act in 2001, high-stakes testing became a significant part of public education. In Texas, testing transitioned in 2003 to the Texas Assessment of Knowledge and Skill (TAKS) test, an assessment that determines grade advancement for students, ratings for school districts, and additional compensation for some teachers. Along with the increasing expectations for student achievement, the need for effective instruction also increases. This dissertation studies how English language arts (ELA) teachers in four North Texas suburban high schools perceive instructional change following the implementation of TAKS. One hundred twenty-one teachers (n=121) were surveyed using an instrument broken into seven categories: student-centered instruction, student interest, instructional communication, time, classroom environment, teacher knowledge, and assessment. Participants were separated into two groups, teachers with one to six years of experience with a district or seven or more years with a district. Using a rating scale for each statement on the survey instrument, participants indicated the direction and magnitude of change or indicated no change occurred. When comparing an overall average frequency percentage for each possible rating for each category, the two highest percentages for both surveyed groups indicated no instructional change since the implementation of TAKS. However, when considering specific statements about professional growth and instructor knowledge, both groups were likely to rate a change as positive. Whereas, if the statement suggested instructional areas constricted by time, participants for both groups were likely to rate a change as negative. Additionally, an ANOVA indicated no significant difference between either of the participating groups. digital.library.unt.edu/ark:/67531/metadc12134/
Perception of Foreign Accented Speech: the Roles of Familiarity and Linguistic Training
This paper seeks to address the issue by examining two factors that potentially affect a listener’s perception of foreign accented speech: degree of familiarity (as acquired through a work or personal environment) and amount of ESL or linguistic training. Speech samples were recorded from 18 international students from Hispanic, Asian, and Middle-eastern backgrounds and across all proficiency levels as designated by their academic English program. Six native English speakers were also recorded to serve as a basis for comparison. Listeners were drawn from two pools: people with ESL and/or linguistic training (n=42) and laypersons with no such specialist training (n=36). After completing a background questionnaire to assess familiarity with foreign accented speech, each listener rated all 24 speech samples on the dimensions of comprehensibility, degree of accent, and communicative ability. Results indicate that participants with ESL/linguistic training rate foreign accented speech more positively on all three dimensions than laypersons with no such training. Additionally, degree of familiarity with foreign accented speech is positively correlated with how participants rated the accented speech samples. a number of highly significant interactions between these and other factors including sex of the speaker, proficiency level of the speaker, and L1 family of the speaker were found as well. digital.library.unt.edu/ark:/67531/metadc115151/
The Perception of Western Wear Status Symbols Among Western Wear Consumers
This study determined whether an association exists between the perception of western wear status symbols and demographic characteristics {i.e., gender, age, income, and education level) among Texas American Paint Horse Association members. digital.library.unt.edu/ark:/67531/metadc279336/
Perceptions and attributions of child, spousal, and elder abuse.
Although researchers have studied perceptions regarding sexually abused children, little was known about how other types of abusive events were perceived. This study examined 480 college students' abuse history and perceptions of child, spousal, and elder abuse by varying the respondent, victim, and perpetrator genders. Physical abuse, psychological abuse, and neglect were investigated. Perceptions of abusiveness, seriousness, harm, and responsibility were examined, along with the extent of identification with the victims/perpetrators. Participants viewed spousal abuse as less serious and harmful than other abuse types, especially when perpetrated against a male or by a female. Although able to recognize psychological abuse, students did not fully understand what other abuse types entailed. Individuals also showed a considerable amount of blame toward victims. Results further demonstrated important findings about how ethnic identity/orientation, religious affiliation, and history of abuse related to perceptions of abusive events. digital.library.unt.edu/ark:/67531/metadc4643/
Perceptions of agency: Beliefs of four adolescent girls in high school as revealed through literature discussions.
Published research suggests that cultural practices and institutional structures influence adolescent girls' engagement and achievement in school. This study was an attempt to further investigate that claim by describing the perceptions of agency held by four adolescent girls in high school. Members of the same English class, the girls volunteered to participate in three lunchtime meetings to discuss Evelyn Coleman's (2001) Born In Sin. Analysis of classroom observations, transcripts of audio recordings of the book discussions, and individual interviews yielded a more precise definition of agency than those used in previous research, including a view of agency as dialogic. In addition, four major themes describe these girls' agentic moves: (1) a temporal orientation, which connects the past, present, and future; (2) responsibility for positive and negative events; (3) strategic decision making; (4) negotiating with people in power. Implications of this study inform both teaching decisions and future research related to adolescent girls. digital.library.unt.edu/ark:/67531/metadc9111/
Perceptions of assurance service services performed by certified public accountants: Accounting education assessment applications
The overall purpose of this study was to examine how Certified Public Accountants (CPAs) perceive the potential use of assurance services to assess quality in accounting education programs. Survey questionnaires were mailed to a random sample of 250 CPAs in the north central Texas area. The questionnaire was designed to obtain demographic information and information relating to the respondents' perceptions of quality assessment of accounting education programs. An analysis of the results of this study suggest the following: CPAs consider (1) certain established criteria, such as SAT scores and faculty-to-student ratios, as effective measures for assessing quality attributes in accounting education programs and (2) traditional measures currently used for quality assessment in accounting education programs as only moderately effective by CPAs. CPAs are apparently seeking increased involvement with accounting education quality assessment and formulation of educational standards. They view the potential application of assurance services to accounting education quality as a way to offer a wider range of services to the public. CPAs perceive assurance services as a type of quality assessment that can be used to complement, but not replace, some of the more effective traditional methods, and as a way of enhancing the quality assessment process for accounting education. digital.library.unt.edu/ark:/67531/metadc2912/
Perceptions of Commitment
This study investigated differences in level of commitment between married and non-married individuals, effects of demographic variables by age, gender, parenting status, and ethnicity, and determines participant's awareness of and participation in the Oklahoma Marriage Initiative (OMI) were investigated. Students from a rural Oklahoma junior college completed the Perceptions of Commitment survey during spring 2004. Responses related to levels of commitment, social exchange theory, expectations, and communication were collected. T-test analysis revealed no differences in level of commitment for any of the variables investigated. Data revealed the majority of participants were unaware of OMI and had never attended a program and do not plan to in the future. Implications of this research may be useful to future investigators who are interested in the Perceptions of Commitment survey and those focusing on marriage education programs to meet the needs of targeted audiences. digital.library.unt.edu/ark:/67531/metadc4547/
Perceptions of Control and Social Support: Correlates of HIV-Related Self-Efficacy
This study examines the extent to which locus of control and social support are linked to self-efficacy with regard to disease management in HIV-positive adults. Perceived ability to effectively manage illness was measured with the Self-Efficacy for Managing Chronic Disease Scale. Scores from the Multidimensional Scale of Perceived Social Support and the Multidimensional Locus of Control Scale were used as predictors. The gender-balanced sample (N = 69) of HIV+ adults was primarily African-American (65.3%) and European American (30.5%), with a mean age of 47 years (SD = 8.37). Correlational analyses suggested significant positive relationships between self-efficacy, social support, and locus of control due to powerful others. A regression analysis found that the model accounted for 23% of the variance in self-efficacy (adj. R-squared =.23, F (5, 63) = 4.81, p < .01), with social support (&#946; = .37, t = 3.28, p < .01) and locus of control (&#946; = .25, t = 2.26, p < .05) both significant predictors. Results suggest that social support and locus of control contribute to the belief that HIV can be managed. Interestingly, an external locus of control contributed to this belief, perhaps due to the perception of a physician, religious icon, or partner as a "powerful other." Results suggest that a strong supportive relationship with a trusted other along with enhanced social support typically associated with group-based interventions may improve health outcomes by increasing self-efficacy in disease management in HIV-positive adults. digital.library.unt.edu/ark:/67531/metadc68003/
Perceptions of Disaster Professionalism in Mexico: Adding a New Public Management Perspective to Emergency Management
This study investigated the perceptions of emergency managers regarding the degree of emergency management professionalism in Mexico and how it can be improved. The disaster of the Mexico City earthquake of 1985 was used as the starting point for this case study, as the prospects for more-frequent and more-intense disasters lend credence to the need for improved professionalism and, thus, effectiveness among emergency managers in the future. An expansive framework of emergency management professionalism mechanisms (or characteristics) and an additional compilation of new public management components (or values) were devised from the extant literatures found within the respective emergency management and public administration fields. The theory advanced by this study is that by integrating new public management components with emergency management mechanisms, professionalism in Mexico will improve and, thus, emergency managers will become more effective. ualitative field research was the methodology employed and it included interviews with 35 emergency managers in Mexico in corroboration with documentary evidence, to ascertain emergency managers' perceptions of professionalism in Mexico. The findings of this study determined that emergency managers in Mexico are implementing many of the mechanisms of professionalism but fewer new public management components. This study posits that by integrating new public management components with emergency management professionalism mechanisms, professionalism in Mexico will improve and will increase emergency managers' effectiveness. digital.library.unt.edu/ark:/67531/metadc31551/
Perceptions of Faculty Development: A Study of a North Texas Community College
This dissertation study deems faculty development critical to meeting challenges associated with retirement, potential professor shortages, increasing adjunct populations, unprepared faculty, and accreditation standards in the community college. The study centers on seeking a current, in-depth understanding of faculty development at Metro Community College (a pseudonym). The participants in this qualitative study consisted of adjunct and full-time faculty members and administrators who communicated their perceptions of faculty development. The analysis discovered faculty member types (progressive and hobbyist adjunct and proactive, active, and reactive full-time faculty) who invest themselves in development differently depending on their position and inclination to participate. Faculty members generally indicated a desire for collegiality and collaboration, self-direction, and individualized approaches to development whereas administrators exhibited a greater interest in meeting accreditation standards and ensuring institutional recognition. The study also discovered a need to consider development initiatives for adjunct faculty members. The dissertation proposes an improved partnership between the adjunct and full-time faculty and the administration. digital.library.unt.edu/ark:/67531/metadc9793/
Perceptions of importance of diagnostic competencies among educational diagnosticians.
This research was two-fold in its purpose: the first purpose being to assess the perceived relevance of the current state competency standards adopted in Texas by the State Board for Educator Certification (SBEC) as they apply to the work of the educational diagnostician and the second being to examine the diagnostician's perceived ability of training institutions to prepare professionals for the field of special education evaluation. This study examined the perceptions of educational diagnosticians (N = 432) through the use of a survey instrument. Specifically the survey instrument was designed to assess diagnosticians' perceptions of importance of the SBEC competencies to special education evaluation in general, and to their practice in particular; the frequency with which they use the competencies; and their degree of training to meet the demands of the competencies through their preparatory program. Results indicate variability with regard to the perceived importance of the competencies and the degree of preparation to meet the demands of the competencies in practice. digital.library.unt.edu/ark:/67531/metadc3692/
Perceptions of Parents of Postsecondary Education Students Concerning Parental Notification and Underage Alcohol Offenses
Since the inception of the Higher Education Reauthorization Act of 1998 by the United States Congress, there has been limited research conducted on parental notification policies on campuses of Higher Education concerning alcohol and drug offenses committed by students. This study surveyed parents of incoming freshmen at the University of North Texas regarding their perceptions of Parental Notification policies and their perceptions of underage alcohol offenses by gender, age, ethnicity, and parental status. The relationship between parental notification and underage alcohol offenses was also examined. This study, conducted in the summer of 2002, at the University of North Texas had 539 respondents. An instrument developed to determine parental perceptions of underage alcohol use and parental notification consisted of 20 dichotomous questions. Chi-square tests of independence were used to analyze the data because it could calculate the relationships between two sets of nominal data. Data show that most parents want to be notified in all situations involving underage alcohol offenses and their offspring. Generally, parents do not believe their offspring will use alcohol underage as they enter college and that they are not binge drinkers. Females want to be notified about their student's underage alcohol offenses at a higher rate than males. Males want to be notified at a higher rate than females if using alcohol jeopardizes housing or enrollment in school for their student. Native Americans have great concern for their students in all areas of alcohol use and binge drinking. Parents should stay actively involved in the lives of their offspring as they attend institutions of higher education as well as stay involved with the University community in which their student attends. digital.library.unt.edu/ark:/67531/metadc4430/
Perceptions of parents of students with autism towards the IEP meeting.
The purpose of the study was to investigate how parents of students with autism perceived individualized education program (IEP) meetings. I determined factors that contributed to the belief held by parents that their children were or were not being properly served by IEP meetings. Parental relationships with educators, IEP meeting experiences, IEP outcomes, and treatment by educators were revealed through participant input. Parents were asked to share their experiences of previous IEP meetings. Additionally, parents provided input regarding practices that school districts could take to improve IEP meetings, and actions that parents could take to serve as better advocates for their children. Research findings indicated that parents did not perceive themselves as being treated as equals during IEP meetings. Parents believed that their input was not valued or welcomed by educators. Not having an equal voice toward their child's education prevented parents from positively influencing outcomes in their child's IEP meetings in terms of obtaining quality services and building positive relations with educators. Parents further revealed that educators failed to implement proper IEP protocol. According to parents, student objectives agreed upon in IEP meetings were often not always fully implemented for students receiving special education services. Research findings concluded that parents new to the IEP process often experienced difficulty understanding special education law, and were unaware of services that school districts should provide for their children.Suggestions for improving IEP meetings include: educators valuing parents as equal partners during IEP meetings, educators properly adhering to IEP objectives set forth in IEP meetings, and both educators and parents taking measures to becoming more knowledgeable of special education law and the IEP process. digital.library.unt.edu/ark:/67531/metadc4709/
Perceptions of Postpartum Depression among Adolescent Mothers and the Social Construction of Related Stigma
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Six serial focus groups were used to explore the perceptions of postpartum depression among nine adolescent mothers. The discussions were tape recorded, transcribed and analyzed using symbolic interaction theory, specifically Goffman's concept of stigma. Participants identified major stigma themes in relation to postpartum depression, teenage pregnancy and motherhood, all of which were portrayed negatively in the media. Several key causes of adolescent postpartum depression were also found including self esteem relating to poor body image and social support. The findings indicate a much needed change in the way adolescent mothers are identified and treated for postpartum depression. Additionally, the importance of social support in preventing and treating adolescent postpartum depression is highlighted and programs addressing such concerns must be implemented. digital.library.unt.edu/ark:/67531/metadc4916/
Perceptions of preparedness and practices: A survey of teachers of English language learners.
Mainstream teachers who obtained their English as a second language (ESL) certification by exam only are faced with increasing numbers of English language learners (ELLs) in their classrooms. Decreasing standards for teacher ESL certification and increasing accountability for ELLs has made teachers' role in effectively increasing the language and academic skills of ELLs an area of major concern. This study used a survey and focus group interviews to obtain information regarding ESL-certified fourth- and fifth-grade teachers' perceived preparedness, practices and resources needs related to meeting the academic and language needs of ELLs in general education classrooms. The results indicated that teachers reported differences in their perceived preparedness based on years teaching experience, years of ESL certification, professional development hours, and university ESL courses, but not on certification route. The results also showed that teachers reported differences in their sheltered instruction practices based on the percentage of ELLs, but not on grade, instructional design, or preparedness. The correlation analysis revealed there is a positive correlation between preparedness and sheltered practices. The study revealed that while teachers are using strategies that make content lessons accessible and comprehensible to ELLs, they are often not specifically addressing the academic language development of their students. It is recommended that districts provide teachers with professional development opportunities that specifically address second language acquisition and practical ways to develop academic language across the content areas. digital.library.unt.edu/ark:/67531/metadc5145/
Perceptions of Preservice Educators, Inservice Educators, and Professional Development Personnel Regarding Effective Methods for Learning Technology Integration Skills
This study examined educators' preferences for learning technology integration skills in order to provide the education community with justifiable data concerning the need for educator training alternatives. A survey was distributed to compare preservice educators, inservice educators, and professional development personnel's perceived effectiveness of eight training methods (N=759). The four research questions examined were: Do differences exist among preservice educators, inservice educators, and professional development personnel in the perceived effectiveness of different methods for learning technology integration skills? (2) Do differences exist among preservice educators, inservice educators, and professional development personnel in the perceived effectiveness of different methods for learning technology integration skills when categorized by age? (3) Do differences exist among preservice educators, inservice educators, and professional development personnel in the perceived effectiveness of different methods for learning technology integration skills when categorized by total hours of instruction? (4) Do differences exist among preservice educators, inservice educators, and professional development personnel in the perceived effectiveness of different methods for learning technology integration skills when categorized by locus of control? All groups were measured for similarities and differences in preferences on credit classes, workshops, open computer labs, technology personnel support, peer support, online help, printed documentation, and trial and error. In addition, those training preferences were cross-referenced with age, training hours, and the locus of control personality factor. MANOVAs and post-hoc analyses were performed for each major research question as well as trends in the data were examined. This study indicated that the most effective training methods were technical support, peer support, and credit courses. The least effective training methods were online help, printed documentation, workshops, and computer labs. Age, amount of training hours, and locus of control score did not provide as much information as did educator type when predicting training preference. Based on the findings of this study, it is recommended that educator training programs be revamped to include the methods that the educators themselves have affirmed as effective for learning technology integration skills. This assures that teachers are prepared to integrate technology into the curriculum and students are prepared for a technological society. digital.library.unt.edu/ark:/67531/metadc3316/
The Perceptions of Psychotherapists-in-Training regarding People who Stutter versus Normally Fluent Speakers
It has been shown repeatedly that many people hold personality stereotypes of stutterers. The attitudes of psychotherapists regarding stutterers have never been investigated. The present investigation assessed the degree to which psychotherapists-in-training hold stereotypes of stutterers as compared to normally fluent speakers. Two groups viewed a videotaped vignette of a male. In one, the male interviewee displayed stuttering behaviors. In the other, the same male spoke fluently. Participants then rated the male interviewee on several personality dimensions. Contrary to previous findings, the group viewing the stuttering interviewee rated him no differently than did the group viewing the fluent interviewee. Greater knowledge of stuttering was associated with more positive ratings of the person who stuttered. The clinical and research implications of these findings are then discussed. digital.library.unt.edu/ark:/67531/metadc4682/
Perceptions of the Actual and Ideal Roles of Public School Superintendents in Texas
The problem of this study was to compare concepts of the actual and ideal roles of school superintendents as they are perceived by school superintendents and by school board presidents. digital.library.unt.edu/ark:/67531/metadc279325/
Percolation, Capillarity and Chresard of Representative Denton County Soils
This paper deals with a study of the chresard, percolation, and capillarity of twenty representative Denton County soils. The group of soils chosen vary greatly in texture thus affording excellent material for comparative studies of edaphic factors based upon this property. digital.library.unt.edu/ark:/67531/metadc29928/
Percussion scoring and orchestration in the wind and percussion ensemble literature of Jared Spears and David Gillingham
While many composers of wind ensemble literature have utilized percussion extensively in their compositions, Jared Spears and David Gillingham are renowned wind ensemble composers who have also written specifically for the percussion ensemble. Within their writing, both have exploited percussion through innovative scorings and their interest in rhythm, timbre, and density. The purpose of this study is to explore the scoring practices (functions of the instruments and combinations) and orchestration techniques (rhythmic and density relationships) of both composers, focusing on the manner and extent to which percussion is employed in their wind and percussion ensemble literature. The criteria for examining each piece and genre were developed to compare and contrast each composer's scoring and orchestration characteristics. To this end, each piece and genre was examined through several scoring categories designed to analyze overall ensemble relationships as well as individual functions of the percussion instruments. These categories were also applied to sections of music, focusing specifically on combinations of instruments and the relationship of ensemble choirs in separate and combined roles. Finally, percussion orchestration was examined with respect to motives, rhythmic underpinnings, metric usage, density relationships, and the significance of these elements to structural unity and form. These comparisons showed that, while sharing certain characteristics, each composer treats percussion scoring and orchestration in different manners, displaying "signature" aspects that make his writing unique. The application of these shared and individual traits, and the extent to which they are employed, define each composer's distinctive style. digital.library.unt.edu/ark:/67531/metadc2860/
Performance Analysis of Wireless Networks with QoS Adaptations
The explosive demand for multimedia and fast transmission of continuous media on wireless networks means the simultaneous existence of traffic requiring different qualities of service (QoS). In this thesis, several efficient algorithms have been developed which offer several QoS to the end-user. We first look at a request TDMA/CDMA protocol for supporting wireless multimedia traffic, where CDMA is laid over TDMA. Then we look at a hybrid push-pull algorithm for wireless networks, and present a generalized performance analysis of the proposed protocol. Some of the QoS factors considered include customer retrial rates due to user impatience and system timeouts and different levels of priority and weights for mobile hosts. We have also looked at how customer impatience and system timeouts affect the QoS provided by several queuing and scheduling schemes such as FIFO, priority, weighted fair queuing, and the application of the stretch-optimal algorithm to scheduling. digital.library.unt.edu/ark:/67531/metadc4336/
Performance appraisal impact on employee career development and performance: A longitudinal study.
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The purpose of this study was to determine the effectiveness of the implementation of an internally created performance appraisal system as well as the subjects' overall satisfaction with the implementation. The system was implemented at a major technology consulting firm in the US. The subjects of this study were three levels of employees of the firm. An employee survey conducted annually at the firm included questions relating to the implementation of the performance appraisal system. Eight years of employees' responses to three key questions were analyzed. Employees' perceptions of the appraisal feedback aiding increased performance, their belief about the implementation assisting with their career management, satisfaction with the initiative, and their understanding of the requirements for promotion were captured by this survey. Trend analysis indicates that employees at the firm perceived their career path knowledge unimproved, their understanding of promotion criteria unimproved as a result of the implementation. Employees did not indicate overall satisfaction with the implementation and the employee's belief about their skills and abilities utilization did not improve post implementation. digital.library.unt.edu/ark:/67531/metadc5420/
Performance comparison of data distribution management strategies in large-scale distributed simulation.
Data distribution management (DDM) is a High Level Architecture/Run-time Infrastructure (HLA/RTI) service that manages the distribution of state updates and interaction information in large-scale distributed simulations. The key to efficient DDM is to limit and control the volume of data exchanged during the simulation, to relay data to only those hosts requiring the data. This thesis focuses upon different DDM implementations and strategies. This thesis includes analysis of three DDM methods including the fixed grid-based, dynamic grid-based, and region-based methods. Also included is the use of multi-resolution modeling with various DDM strategies and analysis of the performance effects of aggregation/disaggregation with these strategies. Running numerous federation executions, I simulate four different scenarios on a cluster of workstations with a mini-RTI Kit framework and propose a set of benchmarks for a comparison of the DDM schemes. The goals of this work are to determine the most efficient model for applying each DDM scheme, discover the limitations of the scalability of the various DDM methods, evaluate the effects of aggregation/disaggregation on performance and resource usage, and present accepted benchmarks for use in future research. digital.library.unt.edu/ark:/67531/metadc4524/
Performance Evaluation of Data Integrity Mechanisms for Mobile Agents
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With the growing popularity of e-commerce applications that use software agents, the protection of mobile agent data has become imperative. To that end, the performance of four methods that protect the data integrity of mobile agents is evaluated. The methods investigated include existing approaches known as the Partial Result Authentication Codes, Hash Chaining, and Set Authentication Code methods, and a technique of our own design, called the Modified Set Authentication Code method, which addresses the limitations of the Set Authentication Code method. The experiments were run using the DADS agent system (developed at the Network Research Laboratory at UNT), for which a Data Integrity Module was designed. The experimental results show that our Modified Set Authentication Code technique performed comparably to the Set Authentication Code method. digital.library.unt.edu/ark:/67531/metadc4366/
Performance Evaluation of MPLS on Quality of Service in Voice Over IP (VoIP) Networks
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The transmission of voice data over Internet Protocol (IP) networks is rapidly gaining acceptance in the field of networking. The major voice transmissions in the IP networks are involved in Internet telephony, which is also known as IP telephony or Voice Over IP (VoIP). VoIP is undergoing many enhancements to provide the end users with same quality as in the public switched telephone networks (PSTN). These enhancements are mostly required in quality of service (QoS) for the transmission of voice data over the IP networks. As with recent developments in the networking field, various protocols came into market to provide the QoS in IP networks - of them, multi protocol label switching (MPLS) is the most reliable and upcoming protocol for working on QoS. The problem of the thesis is to develop an IP-based virtual network, with end hosts and routers, implement MPLS on the network, and analyze its QoS for voice data transmission. digital.library.unt.edu/ark:/67531/metadc3293/
A Performance Guide and Theorical Study of Keiko Abe's Marimba d'Amore and Prism Rhapsody for Marimba and Orchestra
Keiko Abe's contributions to the contemporary marimba repertoire have been a milestone in the development of the marimba as a solo concert instrument. Besides the creation of a new repertoire through commissions and her own compositions, Abe's contributions to the marimba include the improvement of the sound quality of the marimba and the establishment of the five octave instrument as the standard concert marimba. During the last four decades, Abe's compositions have been performed and studied worldwide and become standard literature for the marimba. Abe has written more than sixty compositions for marimba, including concertos, duets and solo pieces. The goal of this dissertation is to provide a comprehensive method for the performance and preparation of two major Keiko Abe's compositions, Marimba d'Amore composed by Abe in 1998 and Prism Rhapsody for Marimba and Orchestra composed in 1996. This dissertation will discuss theoretical as well as performance issues related to these two compositions. Each piece is discussed with regard to its distinctive compositional approach and inherent performances issues. In order to provide the reader an explanation of the compositional procedures used by Abe, specific directions for the performance and preparation of these two works are offered. digital.library.unt.edu/ark:/67531/metadc9803/
A Performance Guide for Pearls I and Pearls II by Roland Szentpali
This dissertation is a performance guide for the euphonium solos Pearls I and Pearls II, written by Roland Szentpali. This performance guide allows performers to better understand the jazz styles within each movement and provides them with a resource for performing these particular pieces as well as other jazz influenced pieces. This performance guide is specific to euphonium repertoire and written for euphonium performers and educators. This is also a resource for a solo work in the repertoire that is performed regularly as well as a new work that will soon be published. A brief history of the development of euphonium repertoire and the influence of jazz is provided. The performance guide analyzes each movement and provides insight to extended techniques, common performance problems, errata, and jazz styles that each movement is based on. The guide also provides several suggestions for interpretation and for performance preparation. Illustrations from the scores have been provided for each example. digital.library.unt.edu/ark:/67531/metadc31521/
A Performance Guide to Arvo Pärt's Concerto Piccolo Über B-A-C-H for Trumpet, Strings, Harpsichord, and Piano
Arvo Pärt's Concerto Piccolo über B-A-C-H for trumpet, strings, harpsichord, and piano is a brief yet challenging work in the trumpet repertoire. A carefully articulated performance guide is necessary to aid trumpeters in overcoming the numerous musical challenges presented in this piece. Currently, there is no resource that helps in solving performance choices and difficulties in this work. This first section of this document provides historical and contextual information on Arvo Pärt, his compositional output during his experimental period, and subsequently, Concerto Piccolo. The second section includes a performance analysis of the work, while the third gives trumpet players pedagogical suggestions and practical exercises for proper preparation of Concerto Piccolo. This guide presents performers with relevant background, analytical, and pedagogical information required for an informed and high-level performance. digital.library.unt.edu/ark:/67531/metadc283781/
A Performance Guide to Bernd Alois Zimmermann's Trumpet Concerto, "Nobody Knows De Trouble I See"
Bernd Zimmermann's Trumpet Concerto, "Nobody Knows de Trouble I See" is an important twentieth-century work for trumpet. Despite the stature of the composition, it has rarely been performed due to its considerable musical and technical demands. Integrating these diverse demands into a coherent performance requires careful consideration of the various performance practice consequences. The study begins by exploring the historical and musical context in which the work was written. It then considers the individual musical elements of the concerto. Finally, the study examines the performance practice implications of the work. The performance guide serves as a framework for making intelligent musical and technical decisions through context, analysis, and practical considerations. digital.library.unt.edu/ark:/67531/metadc271825/
A Performance Guide to Heejo Kim's Choral Arrangements Based on Traditional Korean Folk Tunes and Rhythmic Patterns
Heejo Kim (1920-2001) is one of the most prominent Korean composers of the twentieth century. He is primarily known for his works that incorporate aspects of traditional Korean music. However, at the same time, his efforts in choral arrangements, especially of Korean folk tunes are highly acclaimed by professional choirs and conductors. The purpose of this study is to provide performance guidance on Heejo Kim's choral work, Bat-no-rae, by presenting his biographical background, discussing the use of traditional Korean rhythmic patterns (Jangdan) and modes, and the appropriate application of traditional ornamentations. digital.library.unt.edu/ark:/67531/metadc9818/
A Performance Guide to Luigi Nono's Post-Prae-Ludium No. 1 "Per Donau"
Luigi Nono's work Post-Prae-Ludium No.1 "per Donau" represents a model for the emerging genre of electroacoustic tuba music. It is important to preserve this electroacoustic work because of its value to the tuba literature. Not only is it one of the first electroacoustic works for the tuba, but it also was composed by a man who is highly regarded in the field of music composition. Its preservation will be difficult because of the rapid advancement in technology. Within the last three decades of existence, the technology has evolved three times. An examination of the performance practice in Post-Prae-Ludium was undertaken to understand the demand on the performer required to play this work. This study will look at both non-traditional performance practices, as well as an inherent problem of how the advancement of technology can actually threaten the survival of a work dependent upon a specific version of electronic technology. Nono worked in collaboration with Giancarlo Schiaffini to compose a work for tuba and live electronics. Correspondence with Schiaffini has provided his thoughts on the collaboration of Post-Prae-Ludium with Nono and given a better understanding of how to perform the work. Technology will change, and these current adaptations of Post-Prae-Ludium may not be valid in one or two decades. However, with the description and instruction given by Nono and Schiaffini, in addition to recordings made of Post-Prae-Ludium, there is a record from which to reproduce this work. This study provides a source allowing performers to reproduce this work, thereby preserving it for future performers. digital.library.unt.edu/ark:/67531/metadc11006/
A Performance Guide to the Trumpet Repertoire of Jacques Castérède Focusing on Brêves Rencontres and Concertino for Trumpet and Trombone
Jacques Castérède's works for brass are monumental and demand extreme agility from the performers. Many brass players are familiar with the Sonata for Trombone, but Castérède's trumpet repertoire has not been as thoroughly considered. Due to the lack of scholarly works and recordings of Jacques Castérède trumpet repertoire, a study is necessary to aid its performance. The study is based on performance analysis and interviews with the composer. The first chapter provides information on the composer's life. The second and third chapters are performance analysis of Brêves Rencontres and Concertino for Trumpet and Trombone. These two chapters also discuss rehearsal technique and sound concept. The performance guide takes place in chapter 4. This chapter gives specific indications on articulation, range and mute choice. digital.library.unt.edu/ark:/67531/metadc68049/
A Performance Guide to Tomas Svoboda's Duo Concerto for Trumpet and Organ, Op. 152
The Duo Concerto Trumpet and Organ, Op.152 by Tomas Svoboda was written in memory of and commissioned by the friends of the late Richard Thornburg, second trumpet of the Oregon Symphony. Through the use of primary sources, Tomas Svoboda, composer and organist at the premiere, and Fred Sautter, principal trumpet of the Oregon Symphony and trumpeter at the premiere, the performance guide illuminates the piece with a discussion of five different topics. Chapter 2 of the guide reveals the circumstances of the commission and the initial compositional process. Chapter 3 discusses the performance history of the concerto, including the premiere. Chapter 4 provides analytical insights with programmatic titles accompanying the formal layout of the piece. Chapter 5 presents the piece from the standpoint of performance preparation. Chapter 6 concludes the guide with final thoughts of the composer, Tomas Svoboda. The guide provides the performer studying this piece the historical context of the concerto and highlights programmatic elements of the piece not apparent in its published form. digital.library.unt.edu/ark:/67531/metadc3224/
Performance Implications of Multi-Channel Strategic Decisions by Incumbent Retailers: The Role of Order of Entry and Degree of Inter-Channel Coordination
The rapidly intensifying adoption of the Internet channel for marketing and sales by incumbent bricks-and-mortar retailers underscores the importance of assessing the impact of the online channel strategies on firm performance in the dynamic competitive environment. At the time when store-based retailers increasingly dominate online sales the questions of when and how an incumbent retailer should adopt an online channel to achieve and sustain a competitive advantage are of utmost interest for both marketing scholars and practitioners. This dissertation investigates the role of two strategic decisions in affecting firm performance: (a) the order of adopting an online channel by incumbent retailers and (b) the degree of coordination between store and online sales channels. The resource-based view and the dynamic capabilities approach are used as theoretical foundations for the study. Following resource-based logic and applying a contingency perspective, this research proposes that firm-specific resource endowments determine the success of the order of online entry strategy for incumbent retailers. This dissertation utilizes the dynamic capabilities approach to propose that the strategy of inter-channel channel coordination leads to higher performance when core, unique dynamic capabilities pertaining to e-commerce are developed in-house, as opposed to being outsourced. By posing and answering the research questions regarding the role of strategic decisions of order of online entry and channel coordination in enhancing long-term financial and operational performance, this dissertation contributes to the development of strategic theory in the nascent areas of electronic commerce and multi-channel retailing, provides further empirical support to resource-based theory of competitive advantage, and assists managers in formulating more informed strategic objectives for achieving multi-channel competitive advantage. digital.library.unt.edu/ark:/67531/metadc6065/
Performance Improvement in an Accounting Firm: Comparing Operational and Financial Data Before and After Process Redesign
The case study described in this thesis involves a process improvement project in the Tax Department of a Certified Public Accounting firm. A process map was created by interviewing employees involved in the process. A process analysis identified problems and possible solutions. The Partners in the firm decided to streamline the process for simple tax returns in order to make them more profitable. This study examined what impact, if any, the process improvement intervention had on key financial and operational measures. Results indicated that the tax returns prepared in the new process were faster, cheaper, and more profitable. This study indicates that organizations conducting process improvement interventions can beneficially affect key financial and operational measures. digital.library.unt.edu/ark:/67531/metadc2726/