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An 8-Step Program: Shaping and Fixed-Time Food Delivery Effects on Several Approximations and Undesired Responses in Goats.
This study investigated the effects of a shaping program for halter training across 8 steps in the program and 4 trial-terminating, or "undesirable," responses. Three La Mancha goats (Capra hircus) located at the Frank Buck Zoo in Gainesville, Texas were used for the study. A fixed-time 15 s (FT-15 s) was used during the baseline conditions, to examine the effects of response contingent and response-independent food deliveries, as well as to examine what preliminary steps might not necessarily have to be shaped. All 3 goats successfully learned to allow the halter to be placed on them and to lead on the halter, although 2 of the 3 goats required an additional task analysis for the fifth step to further break down that approximation. Several of the early steps selected by the researchers were not necessary to complete the program, as determined by the baseline condition.
Date:
May 2003
Creator:
Fernandez, Eduardo J.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
11,009km
Brief Artist Statement by Jihye Han as part of a 2021 MFA Exhibition, entitled "11,009km” at the Goldmark Cultural Center in Dallas, TX on April 9-May 7, 2021.
Date:
May 2021
Creator:
Han, Jihye
Object Type:
Text
System:
The UNT Digital Library
24, Lost, and Six Feet Under: Post-traumatic television in the post-9/11 era.
This study sought to determine if and how television texts produced since September 11, 2001, reflect and address cultural concerns by analyzing patterns in their theme and narrative style. Three American television serials were examined as case studies. Each text addressed a common cluster of contemporary issues such as trauma, death, and loss.
Date:
May 2008
Creator:
Anderson, Tonya
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
161 Glass: Site Specific Music in an Artistic Context
The composition 161 Glass is a 17-minute musical work with percussion, wind and brass instruments in which the intersection of mid-century architecture, and the art and culture of a dynamic city are inextricably linked. Through this paper, I explore the process of composing a musical work in relationship to the significance of site specific context. The paper begins by defining the concept of site specific art works; then reviews the discourse of the intersection of art, music and architecture. I then delve into the cultural and geographic context surrounding this project from the modern era through the present, and how those perspectives apply to the building and my piece. I reveal how the composition relates the musical ideas to the site. Finally, I describe the collaborative process between myself, the musicians and the Dallas Contemporary staff.
Date:
May 2010
Creator:
Rusnak, Christina S.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Absolute Continuity and the Integration of Bounded Set Functions
The first chapter gives basic definitions and theorems concerning set functions and set function integrals. The lemmas and theorems are presented without proof in this chapter. The second chapter deals with absolute continuity and Lipschitz condition. Particular emphasis is placed on the properties of max and min integrals. The third chapter deals with approximating absolutely continuous functions with bounded functions. It also deals with the existence of the integrals composed of various combinations of bounded functions and finitely additive functions. The concluding theorem states if the integral of the product of a bounded function and a non-negative finitely additive function exists, then the integral of the product of the bounded function with an absolutely continuous function exists over any element in a field of subsets of a set U.
Date:
May 1975
Creator:
Allen, John Houston
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Academic Stress in Student-Athletes
Academic stress and the causes of such stress are subjects that are found in very few studies concerning student-athletes. Therefore, the purpose of this quantitative study is to determine how the following variables relate to academic stress and perceived stress either through correlations or differences--demographics, academic classification, major or field of study, athletic scholarship status, and season of sport (in- season/ out of season). An online questionnaire containing a Perceived Stress Scale and a Perception of Academic Stress scale were distributed to 151 student-athlete participants at a university in the southwest United States. The results indicated that biological sex has a significant relationship to perceived stress. No other variables were found significant to perceived stress or academic stress.
Date:
May 2017
Creator:
James, Christina
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Accelerated Corrosion Test with Operation Simulation of All-Aluminum Microchannel Heat Exchangers
The HVAC&R industry is looking to transition from copper-aluminum heat exchangers to all-aluminum microchannel technology. The want for the transition stemmed from seeing the performance improvement of all-aluminum microchannel radiators in the automotive industry. Applications differ between the two industries; therefore, applying this technology for HVAC&R use must be validated. Research towards operating modes of an all-aluminum heat exchanger in a defined corrosive environment will provide the industry with a better understanding of heat exchanger design and heat exchanger material selection. The worth in this is preventing overdesign and producing more efficient heat exchangers. Furthermore, ASHRAE members and the corrosion community will find value in a defined corrosion system and corrosion test procedure. The information gained through past research has progressed assessment of material performance; however, the methods improperly simulate and expedite natural weathering. The most common method being used is the ASTM (American Society of Testing Materials) Sea Water Acetic Acid Test. The research discussed in this paper was focused on improving a standard corrosion system by implementing system modifications to simulate heat exchanger operation while performing a modified wet-dry cyclic test (e.g. ASTM G85 Annex 5). The goal is to produce results that are more representative of natural …
Date:
May 2016
Creator:
Vaughan, Haydn
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Acceptance and use of corporal punishment among parents of biologic and non-biologic children.
Objective: Differences between biologic and non-biologic parents' acceptance and use of ordinary corporal punishment and use of explaining/reasoning as a disciplinary tool are examined from a sociobiological theoretical perspective. Method: Cross tabulations are used on data from a national survey conducted by the Gallup Organization in 1995. Results: Contrary to predictions, differences between biologic and non-biologic parents' acceptance of ordinary corporal punishment and the use of explaining/reasoning are not statistically significant. In addition, biologic parents are found to use ordinary corporal punishment significantly more often than non-biologic parents. Conclusions: The sociobiological theoretical perspective likely underestimates the influence of culture and social structure on parent-child interactions.
Date:
May 2006
Creator:
Hall, Ellie Tiedeman
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
"According to Their Wills and Pleasures": The Sexual Stereotyping of Mormon Men in American Film and Television
This thesis examines the representation of Mormon men in American film and television, with particular regard for sexual identity and the cultural association of Mormonism with sexuality. The history of Mormonism's unique marital practices and doctrinal approaches to gender and sexuality have developed three common stereotypes for Mormon male characters: the purposeful heterosexual, the monstrous polygamist, and the self-destructive homosexual. Depending upon the sexual stereotype in the narrative, the Mormon Church can function as a proponent for nineteenth-century views of sexuality, a symbol for society's repressed sexuality, or a metaphor for the oppressive effects of performing gender and sexuality according to ideological constraints. These ideas are presented in Mormon films such as Saturday's Warrior (1989) as well as mainstream films such as A Mormon Maid (1917) and Advise and Consent (1962).
Date:
May 2009
Creator:
Sutton, Travis
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Acculturation, Acculturative Stress, and Anxiety Among Hispanic Undergraduates
First generation college students face some unique challenges in the pursuit of higher education. Aside from academic stressors, there are stressors related to social and cultural transitions which may exacerbate pre-existing emotional or psychological distress. Research suggests that acculturation influences psychological well-being and development. The current study examined the relationships between acculturation, acculturative stress, socio-economic status, and symptoms of anxiety among first-generation college students of Hispanic origin. Participants (N = 125) included those who were first in their family to attend college and were primarily female, of traditional college age, and of Mexican heritage. All measures were self-report and were completed online. Overall, this study was inconclusive as most analyses were underpowered. The present study failed to support a relationship between style of acculturation and symptoms of anxiety, although, experiencing Anglo marginality was related to high levels of acculturative stress and anxiety. Finally, regression analysis revealed that acculturative stress, age, and Anglo marginalization were significant predictors of anxiety and accounted for 31% of variance in anxiety. Implications of the present study were discussed. Further study with adequate power is highly recommended.
Date:
May 2011
Creator:
Durón, Kelly M.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Acculturation, Parental Control, and Adjustment among Asian Indian Women
The present study examines the relationship between acculturation, parental control, and psychological adjustment among adult first and second-generation Asian Indian women who have immigrated, or whose parents have immigrated to the United States, from the Indian state of Kerala. Data from 73 participants indicate second-generation immigrants report poorer psychological adjustment than do their counterparts. Additionally, regression analyses reveal discomfort towards Kerala culture significantly predicts depressive symptoms, while high maternal control predicts self-esteem. Qualitative data were collected to provide richer understanding of immigrants' adaptation to the U.S. Implications of this research may impact mental health practitioners' ability to improve quality of life with Asian Indian women from Kerala.
Date:
May 2007
Creator:
Varghese, Anitha
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Achievement Orientation and Learned Helplessness in Women
One hundred and fifty-five Texas juries were examined to determine the sex of the person elected foreman. Because the role of the foreman is traditionally a male role and a leadership role, it was hypothesized that few women would strive for the position of foreman and that few would be elected to it. It is believed that the proportion of women foremen is a reflection of lack of achievement orientation (or learned helplessness) on the part of women in this situation, and of the degree to which members of the group have internalized the concept that women are less competent than men for a traditionally male leadership role. Of the 155 foremen only 14 were women, a finding which is significant at the .00001 level.
Date:
May 1975
Creator:
Beckham, Barbara J.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Across Borders and Barlines: Chicana/o Literature, Jazz Improvisation, and Contrapuntal Solidarity
In this study, I examine Chicana/o writings and Black and Brown musical traditions as they entwine in urban centers and inform local visions of inclusion and models of social change. By analyzing literature and music from South Texas, Southern California, and Northeastern Michigan, I detail how the social particularities of each zone inform Chicana/o cultural productions rooted in the promise of empowerment and the possibility of cross-cultural solidarity. I assert that highlighting localized variations on these themes amplifies contrapuntal solidarities specific to each region, the relationship between different, locally conceived conceptions of Chicana/o identity, and the interplay between Brown and Black aesthetic practices in urban centers near national borders. Through literary critical and ethnomusicological frameworks, I engage the rhetorical patterns that link poetry, jazz improvisation, essays, musical playlists, and corridos to illumine a web of discourses helping to establish the idiosyncratic yet complimentary cultural mores that shape localized social imaginaries in the United States.
Date:
May 2014
Creator:
Leal, Jonathan J.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Act Like a Punk, Sing Like a Feminist: A Longitudinal Content Analysis of Feminist Themes in Punk Rock Song Lyrics, 1970-2009
Punk rock music has long been labeled sexist as copious media-generated accounts and reports of the genre concentrate on male artists, hyper-masculine performances, and lyrics considered to be aggressive, sexist, and misogynist. However, scholars have rarely examined punk rock music longitudinally, focusing heavily on 1980s and 1990s manifestations of the genre. Furthermore, few systematic content analyses of feminist themes in punk rock song lyrics have been conducted. The present research is a longitudinal content analysis of lyrics of 600 punk rock songs released for four decades between 1970 and 2009 to examine the prevalence of and longitudinal shifts in antiestablishment themes, the prevalence of and longitudinal shifts in sexist themes relative to feminist themes, the prevalence of and longitudinal shifts in specific feminist branches, and what factors are related to feminism. Using top-rated albums retrieved from Sputnik Music’s “Best Punk Albums” charts, systematic random sampling was applied to select 50 songs for each combination of three gender types and four decades. Sexism and feminism were then operationalized to construct a coding sheet to examine relevant dimensions. While the present study found no significant patterns of longitudinal increase or decrease in feminist or sexist themes, it revealed that feminist themes were …
Date:
May 2015
Creator:
Levine, Lauren E.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Actinoplanes Philippinensis: Effect of Carbon Sources on Zoospore Production
Actinomycetes are able to utilize a great variety of carbohydrates, like sugar. The particular kind of sugar and its concentration has decisive effect on the growth of microorganisms. The proper nutritional media aids also in the production of spores. Based on this generalization, that the growth and sporulation of microorganisms are greatly influenced by the nature and the concentration of carbohydrates, an attempt has been made to study Actinoplanes philippinensis with respect to this influence.
Date:
May 1968
Creator:
White, Olivia
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Actions and Operational Thinking of Generals Stratemeyer and Partridge during the Korean War: Adjusting to Political Restrictions of Air Campaigns
Airpower played an important supporting role in the Korean War, and as General of the Army Douglas MacArthur pursued victory in the war and President Harry S Truman's objectives altered throughout the first year of the conflict, tension arose between the two men. One issue in these frictions was the restriction of airpower. Not only MacArthur, but also his admiring subordinate Lieutenant General George E. Stratemeyer commanding the Far East Air Forces, and Fifth Air Force commander Major General Earle E. Partridge opposed the restrictions which had been imposed on airmen from the outset of the conflict. Stratemeyer did so partly because of his loyalty to MacArthur, who wanted latitude in coping with the situation in the field and defeating the Communist enemy. Partridge did so because he thought they endangered his personnel and limited the effectiveness of airpower in the war. These commanders had a fundamentally different opinion from Washington regarding the likelihood of overt Soviet intervention in the war, and because they did not think the Korean War would become a world war, they were more willing than Washington to prosecute the war more aggressively. MacArthur's conflict ended with his removal in April 1951, and Stratemeyer (who suffered …
Date:
May 2008
Creator:
Sambaluk, Nicholas Michael
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Activating Space within the Object and the Site
I look at the world as a sculptor, examining physical constructs and implied meanings. My current research developed from my earlier studies of “containment” or, more specifically, “encapsulation,” creating visual, often physical, boundaries around selected content. Encapsulation confers a more active role than “containment”, a process rather than a result. This idea speaks to the issues of form, and asks the viewer to question the outside “shape of the form” in relation to the inside shape and content. My work focuses on exposed interior spaces and forms, allowing the viewer to enter the space physically as well as mentally and psychologically. Built in a large enough scale, the viewer could actually become the content. The sculpture’s interpretation revolves around the seen as well as the unseen. I built this duality into my work by using transparent and opaque materials. I also implemented small diameter stainless steel rod along with the transparent and opaque vinyl to reduce forms to their respective shapes and volumes. This approach allowed me to clean the “slate” of an object’s collective meaning and context, adapting it to the intent of my work.
Date:
May 2001
Creator:
Provence, Dana Noel
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
ADA Compliance and Accessibility of Aquatic Facilities in the North Texas Area
The purpose of this study was to determine the degree to which existing aquatic facilities in the North Texas metroplex complied with the 1991 Americans with Disabilities Act Accessibility Guidelines (ADAAG) and the proposed Americans with Disabilities Act Accessibility Guidelines: Recreation Facilities (ADAAG supplement). Fifty-two aquatic facilities were evaluated based on: parking lot, ticket counter, gate/entry, restroom, dressing area, drinking fountain, pathway, and pool entry method structural domains. Physical measurements and a few direct observations were recorded on the survey instrument. Surveys were then reviewed and facility scores were tabulated. No facility was found to be 100% compliant with ADAAG and the ADAAG supplement. Aquatic facilities are already struggling to catch up with the 1991 ADAAG, but when the United States Department of Justice approves the proposed ADAAG supplement, aquatic facilities will fall even further behind.
Date:
May 2007
Creator:
Pike, Hilary Eryn
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Adagio of Mahler's Ninth Symphony: A Schenkerian Analysis and Examination of the Farewell Story
Mahler's Ninth Symphony, since its premier in 1912, has sparked much debate about its programmatic meaning. This thesis provides an in-depth analysis of the Adagio and an examination of the controversy of the farewell story. In the process of the analysis I have compared my findings to some of the important authors in Mahler's field such as Vera Micznik, Henry-Louis de La Grange, and Christopher Orlo Lewis. Some of the conclusions are that a closer investigation of the music is necessary and that the programmatic reading of the farewell story can be appropriate.
Date:
May 2011
Creator:
Patterson, Jason, 1982-
Object Type:
Thesis or Dissertation
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.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Adaptive Advantages of Carotenoid Pigments in Alpine and Subalpine Copepod Responses to Polycyclic Aromatic Hydrocarbon Induced Phototoxicity
Alpine zooplankton are exposed to a variety of stressors in their natural environment including ultraviolet radiation. Physiological coping mechanisms such as the accumulation of photoprotective compounds provide these zooplankton protection from many of these stressors. Elevated levels of carotenoid compounds such as astaxanthin have been shown to help zooplankton survive longer when exposed to ultraviolet radiation presumably due to the strong antioxidant properties of carotenoid compounds. This antioxidant capacity is important because it may ameliorate natural and anthropogenic stressor-induced oxidative stress. While previous researchers have shown carotenoid compounds impart increased resistance to ultraviolet radiation in populations of zooplankton, little work has focused on the toxicological implications of PAH induced phototoxicity on zooplankton containing high levels of carotenoid compounds. This thesis discusses research studying the role that carotenoid compounds play in reducing PAH induced phototoxicity. By sampling different lakes at elevations ranging from 9,500' to 12,700' in the front range of the Colorado Rocky Mountains, copepod populations containing different levels of carotenoid compounds were obtained. These populations were then challenged with fluoranthene and ultraviolet radiation. Results discussed include differences in survival and levels of lipid peroxidation among populations exhibiting different levels of carotenoid compounds, and the toxicological and ecological implications of …
Date:
May 2010
Creator:
Kovach, Matthew James
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Addressing Social Elements of Wildfire: Risk, Response, and Recovery in Highland Village, TX
Representatives of the City of Highland Village expressed concern over the risk of wildfires for their community. Anthropology provides many tools for and examples of disaster assessment of preparedness, response, recovery, and mitigation. These tools combined with Geographic Information Systems (GIS) can provide a holistic, cultural ecological look at how such a disaster may take place in the city. The project's methods included a detailed survey of preparedness steps which was analyzed using SPSS and also imported into ArcGIS for spatial analysis, and semi-formal, in-depth interviews with residents of the community regarding preparedness, response, and recovery. Residents fell into a middle category of preparedness, with the majority of participants considering or implementing a few recommended preparedness steps. Interview participants expressed respect for and trust of the city and first-responders, as well as a willingness to volunteer their help during response and recovery stages. Finally the American Community Survey showed that resident socioeconomic vulnerability was considerably low, and no action needed to be taken to advocate for at-risk individuals. Overall, the City of Highland Village showed a high resiliency to disaster. A wildfire likely will not have a major impact on the community as a whole, though the city may reduce …
Date:
May 2016
Creator:
MacKinnon, Jessica
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Adhesion and Surface Energy Profiles of Large-area Atomic Layers of Two-dimensional MoS2 on Rigid Substrates by Facile Methods
Two-dimensional (2D) transition metal dichalcogenides (TMDs) show great potential for the future electronics, optoelectronics and energy applications. But, the studies unveiling their interactions with the host substrates are sparse and limits their practical use for real device applications. We report the facile nano-scratch method to determine the adhesion energy of the wafer scale MoS2 atomic layers attached to the SiO2/Si and sapphire substrates. The practical adhesion energy of monolayer MoS2 on the SiO2/Si substrate is 7.78 J/m2. The practical adhesion energy was found to be an increasing function of the MoS2 thickness. Unlike SiO2/Si substrates, MoS2 films grown on the sapphire possess higher bonding energy, which is attributed to the defect-free growth and less number of grain boundaries, as well as less stress and strain stored at the interface owing to the similarity of Thermal Expansion Coefficient (TEC) between MoS2 films and sapphire substrate. Furthermore, we calculated the surface free energy of 2D MoS2 by the facile contact angle measurements and Neumann model fitting. A surface free energy ~85.3 mJ/m2 in few layers thick MoS2 manifests the hydrophilic nature of 2D MoS2. The high surface energy of MoS2 helps explain the good bonding strength at MoS2/substrate interface. This simple adhesion …
Date:
May 2016
Creator:
Wu, Min
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Administration of Spain Under Charles V, Spain's New Charlemagne
Charles I, King of Spain, or Charles V, Holy Roman Emperor, was the most powerful ruler in Europe since Charlemagne. With a Germanic background, and speaking French, Charles became King of Spain in 1516. Yet secondary sources and available sixteenth century Spanish sources such as Spanish Royal Council records, local records of Castro Urdiales in Castile, and Charles's correspondence show that he continued the policies of his predecessors in Spain, Ferdinand of Aragon and Isabella of Castile. He strove to strengthen his power and unify Spain and his empire using Castilian strength, a Castilian model of government, Roman law, religion, his strong personality, and a loyal and talented bureaucracy. Charles desired to be another Charlemagne, but with his base of power in Spain.
Date:
May 2005
Creator:
Beard, Joseph
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library