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open access

Methylglyoxal Effects on Cell Division of Scenedesmus quadricauda (Scenedesmaceae)

Description: Cell division of ggeneflesmus quadricauda (Turp.) Breb. (Scenedesmaceae) is enhanced by methylglyoxal, a general inhibitor of cell division, at threshold concentration in conjunction with treatment timing related to growth stage of batch cultures. At 0.5 mM methylglyoxal concentration, cell division was significantly enhanced in algae treated in the logarithmic phase. Specific growth rates of methylglyoxal-treated cultures were rapidly increased at the beginning of logarithmic phase. Cultures i… more
Date: August 1990
Creator: Rhie, Kitae
Partner: UNT Libraries
open access

Mark Twain: "Cradle Skeptic"

Description: Critics discussing Mark Twain's early skepticism have, to date, confined their explorations to short studies (articles or book chapters), brief references in passing, or buried their insights in discussions on other topics. Other critics ignore Twain's atheistic statements and see his beliefs as theistic or deterministic. Others ascribe his attitudes in the "dark writings" to late life disappointments. This study demonstrates that Twain's later attitudes towards religion, determinism, social re… more
Date: August 1990
Creator: Britton, Wesley A. (Wesley Alan)
Partner: UNT Libraries
open access

Comparative Labor Policy in the Hashemite Kingdom of Jordan, 1961-1987

Description: It is increasingly recognized that manpower planning and policies are a major component of a country's development efforts. The purpose of this study is to examine the labor market in Jordan and to identify the main determinants of employment (labor force) during the period from 1961 to 1987 in order to advise policy makers as to the best course of action to achieve full employment. This period was divided into two periods: 1961 to 1972 and 1973 to 1987 for comparative purposes. The socio-econo… more
Date: May 1991
Creator: Dwairi, Musa A. (Musa Ayesh)
Partner: UNT Libraries
open access

Consistency in Lattices

Description: Let L be a lattice. For x ∈ L, we say x is a consistent join-irreducible if x V y is a join-irreducible of the lattice [y,1] for all y in L. We say L is consistent if every join-irreducible of L is consistent. In this dissertation, we study the notion of consistent elements in semimodular lattices.
Date: May 1986
Creator: Race, David M. (David Michael)
Partner: UNT Libraries
open access

Children's Cognitive and Moral Reasoning: Expressive Versus Receptive Cognitive Skills

Description: Past research has shown that there are differences between children's ability to express verbally moral judgment or social cognitive principles (cognitive-expression) and their ability to understand and utilize these principles when making evaluations about others (cognitive-reception). This study investigated these differences.
Date: December 1986
Creator: Parker, Deborah A. (Deborah Ann)
Partner: UNT Libraries
open access

Adolescent's Social Networking Use and Its Relationship to Attachment and Mental Health

Description: Adolescents spend much of their time using the internet and electronic media. Since its inception, the use of online social networking (OSN) sites by adolescents continues to grow. With the proliferation of OSN, it is critical to examine how this activity affects psychological development, but better measurement tools are needed. As researchers struggle to keep up with this rapidly growing field, many gaps remain in the literature investigating the interrelations between adolescent's OSN use a… more
Date: December 2016
Creator: Woolford, Brittany
Partner: UNT Libraries
open access

Competing Models of Hegemonic Masculinity in English Civil War Memoirs by Women

Description: This thesis examines the descriptions of Royalist and Parliamentarian masculinity in English Civil War memoirs by women through a close reading of three biographical memoirs written by Margaret Cavendish, duchess of Newcastle; Lady Ann Fanshawe; and Lucy Hutchinson. Descriptions of masculinity are evaluated through the lens of Raewyn Connell's theory of hegemonic masculinity to understand the impact two competing models of masculinity had on the social and political culture of the period. The… more
Date: December 2015
Creator: Du Bon-Atmai, Evelyn
Partner: UNT Libraries
open access

Impact of Grit on Performance After Mastery- or Performance-Oriented Feedback

Description: Grit and achievement motivation have been predictors of behavior in academia and military settings (Duckworth, Matthews, Peterson, & Kelly, 2007), but to date, research on their effects on sport performance has been limited. Given grit's predictive role in other performance domains, grit may be influential in athletes' long-term goal attainment, interacting with their achievement motives and leading to better performances. Athletes' trait levels of grit may influence how they understand and res… more
Date: May 2016
Creator: Auerbach, Alex
Partner: UNT Libraries
open access

"Goodness and Mercy"

Description: The stories in this collection represent an increasingly transcultural world by exploring the intersection of cultures and identities in border spaces, particularly the Mexican-American border. Characters, regardless of ethnicity, experience the effects of migration and deportation in schools, hometowns, relationships, and elsewhere. The collection as a whole focuses on the issues and themes found in Mexican-American literature, such as loss, separation, and the search for identity.
Date: May 2016
Creator: Craggett, Courtney, 1986-
Partner: UNT Libraries
open access

Continuous Combinatorics of a Lattice Graph in the Cantor Space

Description: We present a novel theorem of Borel Combinatorics that sheds light on the types of continuous functions that can be defined on the Cantor space. We specifically consider the part X=F(2ᴳ) from the Cantor space, where the group G is the additive group of integer pairs ℤ². That is, X is the set of aperiodic {0,1} labelings of the two-dimensional infinite lattice graph. We give X the Bernoulli shift action, and this action induces a graph on X in which each connected component is again a two-dimen… more
Date: May 2016
Creator: Krohne, Edward
Partner: UNT Libraries
open access

Social Anxiety and Non-Medical Prescription Stimulant Use Among College Students

Description: Current evidence suggests that non-medical prescription stimulant (NMPS) use is on the rise, particularly among college students. Identifying individuals at risk for regular and problematic use is a critical step towards the development of effective intervention efforts. A growing body of work has noted that individuals with elevated levels of social anxiety (SA) or social anxiety disorder are at an enhanced risk for developing substance use problems, including NMPS use disorder. Despite the re… more
Date: May 2016
Creator: Cloutier, Renee M.
Partner: UNT Libraries
open access

Ours is the Kingdom of Heaven: Racial Construction of Early American Christian Identities

Description: This project interrogates how religious performance, either authentic or contrived, aids in the quest for freedom for oppressed peoples; how the rhetoric of the Enlightenment era pervades literatures delivered or written by Native Americans and African Americans; and how religious modes, such as evoking scripture, performing sacrifices, or relying upon providence, assist oppressed populations in their roles as early American authors and speakers. Even though the African American and Native Amer… more
Date: May 2016
Creator: Robinson, Heather Lindsey
Partner: UNT Libraries
open access

For the Ruined Body

Description: This dissertation contains two parts: Part I, "Self-Elegy as Self-Creation Myth," which discusses the self-elegy, a subgenre of the contemporary American elegy; and Part II, For the Ruined Body, a collection of poems. Traditionally elegies are responses to death, but modern and contemporary self-elegies question the kinds of death, responding to metaphorical not literal deaths. One category of elegy is the self-elegy, which turns inward, focusing on loss rather than death, mourning aspects of t… more
Date: May 2016
Creator: Dorris, Kara Delene, 1980-
Partner: UNT Libraries
open access

Perceived Stress, Spirituality and Self-Esteem: Correlates of Quality of Life in a Lesbian, Gay and Bisexual Sample

Description: In the current study, we aimed to explore the relationship between perceived stress, spirituality and self-esteem and how they are related to psychological QOL. We found that our overall model accounted for 58% of the total variance in psychological QOL (adj. R2 = .58, F(10, 136) = 21.79, p < .001) with stress (β = -.37, p < .01) and self-esteem (β = .45, p < .01) as the significant predictors. Additionally we found that spiritual beliefs and practices moderate the relationship between stress … more
Date: May 2016
Creator: Stephen, Krystal Ann Amelia
Partner: UNT Libraries
open access

Charged Particle Transport and Confinement Along Null Magnetic Curves and in Various Other Nonuniform Field Configurations for Applications in Antihydrogen Production

Description: Comparisons between measurements of the ground-state hyperfine structure and gravitational acceleration of hydrogen and antihydrogen could provide a test of fundamental physical theories such as CPT (charge conjugation, parity, time-reversal) and gravitational symmetries. Currently, antihydrogen traps are based on Malmberg-Penning traps. The number of antiprotons in Malmberg-Penning traps with sufficiently low energy to be suitable for trappable antihydrogen production may be reduced by the el… more
Date: May 2016
Creator: Lane, Ryan A.
Partner: UNT Libraries
open access

Living arrangements of elderly widows in India: Family convention, bad luck and abandonment

Description: In India, issues of gender discrimination and female empowerment have become more prominent in the last several years. Elderly women, specifically widows, are often abandoned or not well cared for by family members and are typically marginalized within Indian society, vulnerable, and susceptible to poverty. This is an exploratory analysis with a research hypothesis asking, who are the caregivers of elderly widows? Statistics indicate that women may be taking on more of a care giving role with e… more
Date: May 2016
Creator: Wilder, Ann C.
Partner: UNT Libraries
open access

Welcome to the Rest of It: Essays

Description: This creative nonfiction dissertation is a book of essays that explore the author's life and relationship to Upstate New York. The project also connects this experience to gender and trauma. Though the topics range from local history to cosmetic surgical procedures, the essays are collected by how they illuminate cultural tensions and universal truths. These essays are preceded by a critical preface that examines the differences between essays collections, books of essays, and argues for the re… more
Date: May 2016
Creator: Murphy, April
Partner: UNT Libraries
open access

The Relative Complexity of Various Classification Problems among Compact Metric Spaces

Description: In this thesis, we discuss three main projects which are related to Polish groups and their actions on standard Borel spaces. In the first part, we show that the complexity of the classification problem of continua is Borel bireducible to a universal orbit equivalence relation induce by a Polish group on a standard Borel space. In the second part, we compare the relative complexity of various types of classification problems concerning subspaces of [0,1]^n for all natural number n. In the last … more
Date: May 2016
Creator: Chang, Cheng
Partner: UNT Libraries
open access

Inter

Description: This dissertation is has two parts: a critical essay on the lyric subject, and a collection of poems. In the essay, I suggest that, contrary to various anti-subjectivists who continue to define the lyric subject in Romantic terms, a strain of Post-Romantic lyric subjectivity allows us to think more in terms of space, process, and dialogue and less in terms of identity, (mere self-) expression, and dialectic. The view I propose understands the contemporary lyric subject as a confluence or paral… more
Date: May 2016
Creator: Haines, Robert M.
Partner: UNT Libraries
open access

Humping it on their Backs: A Material Culture Examination of the Vietnam Veterans’ Experience as Told Through the Objects they Carried

Description: The materials of war, defined as what soldiers carry into battle and off the battlefield, have much to offer as a means of identifying and analyzing the culture of those combatants. The Vietnam War is extremely rich in culture when considered against the changing political and social climate of the United States during the 1960s and 70s. Determining the meaning of the materials carried by Vietnam War soldiers can help identify why a soldier is fighting, what the soldier’s fears are, explain c… more
Date: May 2016
Creator: Herman, Thomas S.
Partner: UNT Libraries
open access

Predicting Posttraumatic Stress Disorder Symptoms During Adolescence: A Longitudinal Study of The Role of Hypothalamic-Pituitary-Adrenal (HPA) Axis Dysfunction

Description: Posttraumatic stress disorder (PTSD) is a trauma-related disorder that may develop in response to traumatic or stressful events. Dysfunction of the Hypothalamic-Pituitary-Adrenal (HPA) axis has been implicated in the disorder. Studies support such dysfunction as being a consequence of PTSD, rather than a precursor. However, most studies of the HPA are either cross-sectional or have been carried out in adults. The aim of the present study was to identify whether HPA dysregulation interacts with … more
Date: May 2016
Creator: Liu, Keke, 1988-
Partner: UNT Libraries
open access

Role of Combat Exposure and Insomnia in Student Veterans' Adaptation to College

Description: Since 2002, the number of veterans enrolled in universities has nearly doubled, although 30-40% of veterans fail to complete their degree. While research efforts to understand the challenges veterans face transitioning from military life to college has increased in recent years, few studies have looked beyond the effects of post-traumatic stress disorder (PTSD). Insomnia is the most frequently reported symptom of combat veterans and can have serious implications for college students. The purpos… more
Date: May 2016
Creator: McGuffin, James J.
Partner: UNT Libraries
open access

Imagining the Empire: Germany Through the Eyes of Early Modern English Travellers

Description: This thesis is a study of early modern English travel narratives and the ways they presented the German states and their people to the public through the medium of print. It is based on an analysis of forty seven published travel narratives written by men and women who toured Germany and wrote about their experiences. The study situates these writings in the context of the growing sense of national identity in early modern Europe and offers an assessment of how these travel narratives contribu… more
Date: August 2016
Creator: Micheals, Isaac
Partner: UNT Libraries
open access

Quantum Drinfeld Hecke Algebras

Description: Quantum Drinfeld Hecke algebras extend both Lusztig's graded Hecke algebras and the symplectic reflection algebras of Etingof and Ginzburg to the quantum setting. A quantum (or skew) polynomial ring is generated by variables which commute only up to a set of quantum parameters. Certain finite groups may act by graded automorphisms on a quantum polynomial ring and quantum Drinfeld Hecke algebras deform the natural semi-direct product. We classify these algebras for the infinite family of complex… more
Date: August 2016
Creator: Uhl, Christine
Partner: UNT Libraries
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