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504 Matching Results
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Effects of Problem-based Learning on a Fifth Grade Language Arts Classroom
The main purpose of this qualitative research was to discover the effects of problem-based learning on a fifth grade language arts classroom. The secondary purpose was to examine how receptive fifth grade students were to a new way of learning. In this descriptive study, a group of nine students created an alternate reality game as part of a problem-based learning module. The instructional design of the study included three weeks for students to design and construct their games and one week to play, receive feedback and revise based on feedback. Through reflective blogs, semi-structured interviews, video recordings, and observations, data was collected to analyze. Over a period of five months, the data was coded and arranged into categories. The categories merged into themes. The results and findings revealed the impact collaborative groups have on design and enjoyment. Self-regulation skills were found to be lacking in most of the students, intrinsic motivation increased for some students while others developed positive outcomes beyond the scope of this study.
Date:
May 2013
Creator:
Blackwell, Deborah
System:
The UNT Digital Library
Miranda Reasoning and Competent Waiver Decisions: Are Models of Legal Decision Making Applicable?
Miranda understanding, appreciation, and reasoning abilities are essential to courts' determinations of knowing and intelligent Miranda rights waivers. Despite the remarkable development of Miranda research in recent decades, studies have generally focused on understanding and appreciation of Miranda rights, but have not examined Miranda reasoning and waiver decisions. Therefore, examining the nature of defendants' decisional capacities constitutes a critical step in further developing theoretical and clinical models for competent Miranda waiver decisions. The current study evaluated Miranda waiver decisions for 80 pretrial defendants from two Tulsa-area Oklahoma jails. Previously untested, the current study examined systematically how rational decision abilities affect defendants' personal waiver decisions. Components from general models of legal decision making, such as decisional competence and judgment models, were examined to determine their applicability to Miranda waiver decisions.
Date:
May 2013
Creator:
Blackwood, Hayley L.
System:
The UNT Digital Library
A Relationship-based Cross National Customer Decision-making Model in the Service Industry
In 2012, the CIA World Fact Book showed that the service sector contributed about 76.6% and 51.4% of the 2010 gross national product of both the United States and Ghana, respectively. Research in the services area shows that a firm's success in today's competitive business environment is dependent upon its ability to deliver superior service quality. However, these studies have yet to address factors that influence customers to remain committed to a mass service in economically diverse countries. In addition, there is little research on established service quality measures pertaining to the mass service domain. This dissertation applies Rusbult's investment model of relationship commitment and examines its psychological impact on the commitment level of a customer towards a service in two economically diverse countries. In addition, service quality is conceptualized as a hierarchical construct in the mass service (banking) and specific dimensions are developed on which customers assess their quality evaluations. Using, PLS path modeling, a structural equation modeling approach to data analysis, service quality as a hierarchical third-order construct was found to have three primary dimensions and six sub-dimensions. The results also established that a country's national economy has a moderating effect on the relationship between service quality and …
Date:
August 2013
Creator:
Boakye, Kwabena G.
System:
The UNT Digital Library
How Drawing Becomes Writing: Proto-orthography in the Codex Borbonicus
The scholarship on the extent of the Nahuatl writing system makes something of a sense-reference error. There are a number of occurrences in which the symbols encode a verb, three in the present tense and one in the past tense. The context of the use of calendar systems and written language in the Aztec empire is roughly described. I suggest that a new typology for is needed in order to fully account for Mesoamerican writing systems and to put to rest the idea that alphabetic orthographies are superior to other full systems. I cite neurolinguistic articles in support of this argument and suggest an evolutionary typology based on Gould's theory of Exaptation paired with the typology outlined by Justeson in his "Origins of Mesoamerican Writing" article.
Date:
May 2013
Creator:
Bolinger, Taylor
System:
The UNT Digital Library
Bridging the Theory-to-practice Gap: a Multivariate Correlational Study Exploring the Effects of a Graduate Online Learning Environment As a Community of Practice Framework
In this multivariate correlational study, the researcher examined the course culture of an online graduate course whose environment exhibited characteristics of a Community of practice (CoP). An online survey captured data used to explore the relationships among variables shown to describe a CoP in field environments and among student perceptions of their experience in the course culture. A canonical correlation analysis (CCA) and commonality analysis (CA) were conducted using five predictor variables and three criterion variables to evaluate the degree and direction of the relationships. The CCA revealed that the full model was significant, explaining approximately 74% of the variance among the two synthetic variates. Impact, faculty leadership, and connection were the largest contributors to the predictor variate. The criterion variate was primarily explained by value and perceived CoP, with exposure to the profession providing a smaller contribution. The CA confirmed these findings. Results from this study indicate that a CoP could be fostered in an online graduate course. The overall significance of the model indicates teachers can nurture an environment wherein graduate students will take the initiative to work with others to create and acquire knowledge that creates a sense of professional connection with each other and with the …
Date:
December 2013
Creator:
Bone, Tonda Jenean
System:
The UNT Digital Library
Harrison Birtwistle: an In-depth Study of His Music for Trumpet with a Performance Guide to the Silk House Tattoo
This document examines the works by Sir Harrison Birtwistle that feature the trumpet as a solo instrument, with extra emphasis placed on The Silk House Tattoo. This document also features a performance guide for the trumpet parts of The Silk House Tattoo. Pedagogical methods for learning the most challenging passages are evaluated, and daily exercises based on the specific demands of each excerpt are offered.
Date:
August 2013
Creator:
Bonnett, Kurt L.
System:
The UNT Digital Library
La Evolución Del Subalterno En Tres Novelas Mexicanas: La Negra Angustias, Balún Canán, Y Neonao
The subaltern is a recurrent literary figure in Mexican narrative. The objective of this thesis is to investigate three ethnic groups – indeed, subalterns – in Mexico which include: Afro-Mexicans, indigenous groups, and Filipino colonial subjects from the perspectives of the Mexican Revolution, post-revolutionary Mexico, and the conquest of the Philippines in the sixteenth century. The principal characters play crucial roles in events shaping the history and culture of Mexico and thus demonstrate their importance to the country's development while also revealing the reality of subalterns. The literary research shows that trying circumstances or a lack of self-identity were the main causes for a character to be or become a subaltern in addition to their inherent ethnic disadvantages. However, the characters who overcame their subaltern state often changed personality traits or adapted to their surroundings in order to be assimilated into the majority culture.
Date:
May 2013
Creator:
Bowen, LaVerne Alexandra
System:
The UNT Digital Library
The Effect of Season Performance on Male and Female Track and Field Athletes’ Self-identity
Although the “self” has generally been conceptualized as relatively stable in sport-specific research, events such as deselection, injury, and career termination have been found to negatively affect athletes’ levels of identification with the athlete role. Additionally, there has been limited research regarding competitive failure and its ability to negatively affect athletes’ levels of identification with the athlete role. The purpose of the present investigation was to provide additional evidence regarding the influence poor competitive seasons have on the malleability of athletes’ self-identity. Athletes were followed throughout the course of their season to determine whether athletes who encountered a poor competitive season reported lowered levels of athletic identity. Specifically, male and female NCAA Division I track and field athletes completed pre-indoor, post-indoor, and post-outdoor assessments of athletic identity. Contrary to previous research, the current study’s results indicated no identifiable relationship between male and female athletes’ season performance satisfaction and their level of post-indoor and post-outdoor athletic identity. Thus, the greatest predictor of athletes’ post-season level of athletic identity was their pre-season level of athletic identity, regardless of season performance. Given these results, future research should assess self-esteem as well as other potential coping strategies athletes might use in order to gain …
Date:
August 2013
Creator:
Bradstreet, Tyler C.
System:
The UNT Digital Library
Development of aerogel-lined targets for inertial confinement fusion experiments
None
Date:
March 5, 2013
Creator:
Braun, Tom
System:
The UNT Digital Library
This Isn't About Me: Communication Privacy Management Theory and Public Confession
Individuals at the DFW Church publicly confess intensely personal information, such as drug and alcohol addiction, spousal and child abuse, stripping, and sexual abuse. Using communication privacy management theory (CPM), I examined the way individuals at the DFW Church manage their private information, how they make disclosure decisions, and how they manage boundaries around their private information. I interviewed 13 individuals who participated in public confession, and coded their responses to identify the common themes and tactics for making disclosure decisions. Through this process, I pioneer the application of CPM to examine public disclosure events, rather than dyadic or small group disclosures. I also expand our current understanding of motivations for disclosure; rather than focusing on selfish or therapeutic motivations, participants want to encourage others through their disclosure. In terms of boundary management, individuals at the DFW Church believe that God owns part, or all, of their information; thus, disclosing their pasts is "not about them." Participants construct a new identity through their testimony narrative, effectively putting the old person in the past and presenting a new, Christian identity to the church body for group approval. In this context, confessing a negative behavior becomes a way to build a positive …
Date:
May 2013
Creator:
Brittain, Kära Ann Caskey
System:
The UNT Digital Library
The Ultimate Ethos: Challenges, Cooptation and Survival During Ultimate’s Adolescence
Ultimate is the fastest growing field sport in America. Created in 1968, forty-five years later the sport was still on the periphery of the mainstream but reached new heights in 2013 – two professional leagues, over 800 college teams and a broadcasting deal with ESPN – and the discussions throughout the sports’ history have never been as relevant. Self-officiation and the Spirit of the Game are the main tenets that make up the ethos of the sport and its community. These unique aspects differentiate Ultimate’s predominate culture from that of mainstream sports culture. This study shows the countercultural ties and survival of the ethos during the adolescent period of Ultimate’s evolution (1987-2010). It examines the progression of the community’s established grassroots culture and the governing body of the sport alongside the influx of young players with mainstream sports attitudes who bolstered certain organizers’ attempts to alter Ultimate in the hopes of gaining “legitimacy” through adding third-party officials, commercialization and corporate sponsorship.
Date:
August 2013
Creator:
Brooks, David
System:
The UNT Digital Library
Classless: on Being Middle Class in America
Classless: On Being Middle Class in America is a documentary film that explores what it means to be middle class in America. The film combines personal narrative, folksy reporting, and comedy as the film's director— Joe Brown, tries to reconcile his own status anxiety with everyday understandings of social class. Classless takes the form of a journey; the film travels through the American South, Northeast, and the Mountain West while trying to get at the heart of our middle class American Dream. Classless forwards three main arguments: (1) the American middle class is not as all-encompassing as seems; (2) Americans are more concerned about inequality than both politicians and the media suggest; and (3) many Americans are not actually middle class, economically speaking.
Date:
May 2013
Creator:
Brown, Joseph V.
System:
The UNT Digital Library
A New Era of Educational Assessment: the Use of Stratified Random Sampling in High Stakes Testing
Although sampling techniques have been used effectively in education research and practice it is not clear how stratified random sampling techniques apply to high-stakes testing in the current educational environment. The present study focused on representative sampling as a possible means for reducing the quantity of state-administered tests in Texas public education. The purpose of this study was two-fold: (1) to determine if stratified random sampling is a viable option for reducing the number of students participating in Texas state assessments, and (2) to determine which sampling rate provides consistent estimates of the actual test results among the population of students. The study examined students’ scaled scores, percent of students passing, and student growth over a three-year period on state-mandated assessments in reading, mathematics, science, and social studies. Four sampling rates were considered (10%, 15%, 20%, & 25%) when analyzing student performance across demographic variables, including population estimates by socioeconomic status, limited English proficiency, and placement in special education classes. The data set for this study included five school districts and 68,641 students. Factorial ANOVAs were used initially to examine the effects of sampling rate on bias in reading and mathematics scores and bias in percentage of students passing these …
Date:
December 2013
Creator:
Brown, Stephanie N.
System:
The UNT Digital Library
Light, Bright, and Out of Sight: Hollywood’s Representation of the Tragic Mulatto
The purpose of this research is to examine the longevity of the stereotype of the tragic mulatto in American film history. Specifically, my research focuses on the portrayals and perceptions of biracial actresses. Media informs, entertains, and influences how we, and especially youth, self-identify and interact with others. This research focuses on the portrayal of biracial actresses throughout film history. It is also important in its investigation of the perpetuation of the one-drop rule. In this research, I will examine if historical stereotypes of tragic mulatto are apparent in contemporary Hollywood film. The methodologies used in this research include a content analysis of films with biracial actresses and an online survey of respondents’ perceptions of four actresses. Statistical techniques used for analysis include ordinary least square regression and multinomial logistic regression. Findings suggest that the tragic mulatto stereotype is not blatant in contemporary Hollywood film, but issues of colorism may be apparent.
Date:
December 2013
Creator:
Brunson, Alicia
System:
The UNT Digital Library
Adapting on the Plains: the United States Army's Evolution of Mobile Warfare in Texas, 1848-1859
The Army, despite having been vexed for a century on how to effectively fight the Plains Indians, ultimately defeated them only a decade after the Civil War. This thesis will bring to the forefront those individuals who adapted fighting techniques and ultimately achieved victories on the Texas frontier before the Civil War. The majority of these victories came as a result of mounted warfare under the direction of lower ranking officers in control of smaller forces. The tactic of fighting Indians from horseback was shown to be effective by the Rangers and later emulated by the Army.
Date:
May 2013
Creator:
Buchy, Mark B.
System:
The UNT Digital Library
The Acute Hormonal Response to the Kettlebell Swing Exercise
The purpose of this investigation was to examine the acute hormonal response to a bout of kettlebell swing exercise. Ten healthy men (19-30 y, 23.6 ± 3.5 y, 174.6 ± 5.7 cm, 78.7 ± 9.9 kg) who were engaged in resistance training at least twice per week but were inexperienced with kettlebell swings participated in this study. Participants were familiarized with the kettlebell swing exercise during an initial visit. During the subsequent experimental protocol visit, participants performed 12 rounds of 30 seconds of 16-kg kettlebell swings alternated with 30 seconds of rest. Heart rate (HR) and rating of perceived exertion (RPE) were measured at the end of every round of swings. Fasted blood samples were collected pre-exercise (PRE), immediately post (IP), 15 minutes post (P15), and 30 minutes post exercise (P30) and analyzed for total testosterone (T), growth hormone (GH), cortisol, and lactate concentrations. Participants completed a total of 227 ± 23 swings (average swings per round: 19 ± 2). HR and RPE increased significantly (P < 0.05) throughout the exercise protocol. Lactate concentrations were significantly increased at all post exercise time points compared to PRE. T was significantly increased at IP compared to PRE. GH was significantly increased at …
Date:
December 2013
Creator:
Budnar, Ronald Gene, Jr.
System:
The UNT Digital Library
Noise Exposure Summary And Comparitive Analyses
None
Date:
November 18, 2013
Creator:
Bumala, P A
System:
The UNT Digital Library
Revisioning a Masterpiece: Jon Magnussen’s “Psalm”
In 2001, composer Jon Magnussen met the unusual challenge of unifying his new score for Psalm, an already-existing dance work from 1967, with the original artistic conceit of the choreographer, José Limón, who died in 1972. Limón was inspired directly by his reading of André Schwartz-Bart’s Holocaust novel, The Last of the Just, and had initially desired to use Stravinsky’s Symphony of Psalms as the score for the dance. Faced with cost-preclusive licensing fees for the Stravinksy, Limón engaged Eugene Lester to compose a score for Psalm. The Lester score, now lost, served the work for only a brief time, when the piece fell out of the repertory. When approached to create a new score for the extant dance work, Magnussen chose to draw his own influence from three works: the dance itself, Schwartz-Bart’s novel, and Stravinsky’s Symphony of Psalms. In addition, Limón Company Artistic Director Carla Maxwell served as Magnussen’s collaborator in reworking Psalm to resemble the work she believed Limón had desired all along. Magnussen’s influence from Stravinsky and Schwartz-Bart are revealed in the choices of text, the scored forces, and melodic ideas generated by the composer by mapping the names of significant Holocaust sites onto scalar patterns. …
Date:
August 2013
Creator:
Burnett, Jason
System:
The UNT Digital Library
Mr Secrets and Social Media: the Confession of Richard Rodriguez
Richard Rodriguez's works create troubling situations for many scholars. Though numerous critics see him as the penultimate Chicano writer, many others see his writing as only pandering to the elite. However, all politics and controversies aside, he is a writer whose ideas upon language and public confession have been revolutionary. Throughout the thesis, I argue that Rodriguez's ideas upon language and identity are applicable to the social media landscape that we reside in currently, especially the public confession. Also, I use deconstructionism, along with postmodern criticism, to illustrate the changing arc of Rodriguez's confession from his first autobiography to his final one. In his first memoir, Rodriguez remains in the closet upon his sexuality, and the reader only catches glimpses of the 'real' character inside his work. In the second memoir, the reader sees a better glimpse because of his coming out; yet, even in this regard, he does not do so wholly and still leaves his confession unfinished. By the third, he applies themes and problems seen in his first and second works to discuss our browning nature, and how we are all sinners and that we desire to confess our sins. In my assessment of Rodriguez, I argue …
Date:
May 2013
Creator:
Burns, Amanda Jill
System:
The UNT Digital Library
Social Support As a Moderating Factor Between Mental Health Disruption and College Adjustment in Student Veterans
Research has indicated that OEF/OIF veterans are experiencing mental health concerns following deployment. While there are increasing numbers of veterans returning to higher education institutions after discharging from the military, there is a scarcity of empirical research investigating student veterans’ experiences as they transition into college. The purpose of the current study was to examine whether social support moderates the effects of psychological distress on college adjustment among a sample of student veterans. Participants were administered a Background Information Questionnaire, measures of psychological distress (i.e., GAD-7, PHQ-9, IES-R), Multidimensional Scales of Perceived Social Support, and the Student Adjustment to College Questionnaire. Multiple regressions revealed significant main effects for the variables of interest, but analyses failed to support the hypothesis that perceived social support would moderate the effects of psychological distress on college adjustment.
Date:
December 2013
Creator:
Campbell, Robyn
System:
The UNT Digital Library
Organizational Justice Perception and Its Effects on Knowledge Sharing: a Case Study of Forensics in the Turkish National Police
In today’s economy, organizational knowledge is a fundamental factor for remaining competitive and managing intellectual capital. Knowledge Management aims to improve organizational performance by designing the work environment with necessary tools. Yet, significant amount of knowledge resides within the people in different forms such as experience or abilities. Transferring individual knowledge within members or into organizational repositories is so difficult. Knowledge sharing only occurs under certain circumstances: People share knowledge when they believe it is beneficial for them, when they feel safe and secure, and when they trust. Since knowledge is power, and brings respect to its bearer, knowledge sharing needs suitable environment. In this context, this study investigates intention to knowledge sharing among forensics in the Turkish National Police (TNP) and the factors -such as perceived organizational justice, organizational citizenship behaviors, subjective norms, and attitudes toward knowledge sharing- affecting their intentions. The researcher utilized a model developed from Ajzen and Fishbein’s (1975; 1980) theory of reasoned action (TRA). To test this model, a self-administered questionnaire survey was administered in Turkey In order to analyze the quantitative data; SPSS version 19 was used for all preliminary analyses and LISREL 8.8 was used for Regression Analysis and Path Analysis The fit …
Date:
August 2013
Creator:
Can, Ahmet
System:
The UNT Digital Library
Shortened in Vivo Bioconcentration Factor Testing in Cyprinus Carpio
Bioconcentration factor testing serves as the most valuable surrogate for the assessment of bioaccumulation. The assessment of potentially harmful chemicals is crucial to not only the health of aquatic environments, but to humans as well. Chemicals that possess the ability to persist in the environment or that have the potential to bioaccumulate, pose a greater risk to organisms that are exposed to these chemicals. The Organization for Economic Cooperation and Development Guideline 305 outlines specific protocols to run an accurate and reliable aquatic flow-through test. However, since its adoption in 1996, very few changes have been made to accommodate the endeavor to lowering the amount of test species to run one of these said tests. Running an aquatic flow-through test, according to 305, takes much time and money as well as numerous amounts of fish. Such burdens can be eliminated through simple modifications to the standard protocols. In this study, we propose an abbreviated study design for aquatic bioconcentration testing which effectively alleviates the burdens of running a flow-through test. Four chemicals were used individually to evaluate the usefulness of the proposed shortened design; 4-Nonyphenol, Chlorpyrifos, Musk Xylene, and DDT. The study consisted of exposing Cyprinus carpio for 7 days …
Date:
December 2013
Creator:
Cantu, Mark
System:
The UNT Digital Library
An Exploration of Teachers' Adoption of the Bring Your Own Technology Program
The purpose of this study was to explore teachers' concerns, use, and actual practices in their adoption of the bring your own technology (BYOT) initiative. Twelve secondary teachers in a private school setting participated in this study. The participants represented all content areas including reading, math, science, and electives. The private school was in its third year of implementing BYOT. This case study incorporated multiple methods to collect data to gain a better understanding of teachers' adoption of an innovation, BYOT. The concerns-based adoption model (CBAM) was used as a theoretical framework. All three CBAM tools provided data: the Stages of Concern Questionnaire (SoCQ), levels of use interview protocol (LoUIP), and the innovation configuration (IC) map. Twelve of the participants completed the SoCQ across three different points in time. Six of the twelve teachers participated in three one-on-one interviews, including the LoUIP. Additionally, six teachers were observed in their classrooms during instruction. After triangulating all pieces of data, the majority of teachers had highest concerns related to self. Teachers were concerned about their ability to implement the innovation and managing BYOT in their classroom. Four of the six teachers had a level of use (LoU) at mechanical, and two teachers …
Date:
August 2013
Creator:
Cardoza, Yanet
System:
The UNT Digital Library
Measurement of Mixing and CP Violation in the Two-Body D0 decays to KK, pipi and Kpi with the BaBar Experiment
None
Date:
January 18, 2013
Creator:
Casarosa, Giulia
System:
The UNT Digital Library