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2015

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Investigating The Photorecombination Dynamics In Molecular High-Harmonic Spectra, Benjamin Parker Wilson Jan 2015

Investigating The Photorecombination Dynamics In Molecular High-Harmonic Spectra, Benjamin Parker Wilson

LSU Doctoral Dissertations

The work presented in this dissertation will relate the photorecombination dynamics to photoionization dynamics in SF6 utilizing the self-probing mechanism, high harmonic generation (HHG). This work specifically aims to establish parameters for which the comparison is applicable and the macroscopic complications inherent in HHG do not interfere with the extraction of dynamic information. The first part of this work established the macroscopic experimental apparatus necessary for consistent spectroscopic observation. It is shown that using a gas jet that is an order of magnitude shorter than the Rayleigh length of the driving laser results in more consistent harmonic spatial profiles and …

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Well-Quasi-Ordering By The Induced-Minor Relation, Chanun Lewchalermvongs Jan 2015

Well-Quasi-Ordering By The Induced-Minor Relation, Chanun Lewchalermvongs

LSU Doctoral Dissertations

Robertson and Seymour proved Wagner's Conjecture, which says that finite graphs are well-quasi-ordered by the minor relation. Their work motivates the question as to whether any class of graphs is well-quasi-ordered by other containment relations. This dissertation is concerned with a special graph containment relation, the induced-minor relation. This dissertation begins with a brief introduction to various graph containment relations and their connections with well-quasi-ordering. In the first chapter, we discuss the results about well-quasi-ordering by graph containment relations and the main problems of this dissertation. The graph theory terminology and preliminary results that will be used are presented in …

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Caregiver Perceptions Of Speech-Language Pathologist (Slp) Communication: Examining How Slps Talk With Caregivers About Child Language Disorders, Karmen L. Porter Jan 2015

Caregiver Perceptions Of Speech-Language Pathologist (Slp) Communication: Examining How Slps Talk With Caregivers About Child Language Disorders, Karmen L. Porter

LSU Doctoral Dissertations

The purpose of this study was to identify how SLP communication regarding language disorders was perceived by caregivers. Employing a qualitative methodology, the caregivers of 10 children, identified with a language-based reading impairment, participated in semi-structured interviews concerning their experiences communicating with SLPs. As a whole, the findings showed the value caregivers place on receiving clear, concrete, and timely diagnostic information, the variability and complexity associated with caregivers’ understanding of language disorders, and the reciprocal relationship between key SLP communication practices, caregiver knowledge, and effective collaboration. Some of the key themes emphasized in regard to SLP communication practices included: recognition …

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Examining The Supervisor-Similarity And Work-Family Conflict Relationship: Is Family-Supportive Supervision A Mediator?, Chela M. White-Ramsey Jan 2015

Examining The Supervisor-Similarity And Work-Family Conflict Relationship: Is Family-Supportive Supervision A Mediator?, Chela M. White-Ramsey

LSU Doctoral Dissertations

To say that interest in work-family conflict has increased is an understatement. With the number of dual-earner households increasing, the diversification of the workforce, and women quickly moving into industries that were once primarily male-dominated, the work-family literature is filled with various intonations of the concept. Drawing on insights from social identity and self-categorization theories, this dissertation examined how supervisor-subordinate demographic similarity might relate to the provision of family-supportive supervision and work-family conflict. 102 members of a professional organization dedicated to women who work in technology were surveyed to evaluate whether or not supervisor-subordinate racial and gender similarity would predict …

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Ceo Compensation And Tax Loss Carrybacks, Pei-Yu Sun Jan 2015

Ceo Compensation And Tax Loss Carrybacks, Pei-Yu Sun

LSU Doctoral Dissertations

Erickson, Heitzman, and Zhang’s (2013) results indicate that firms engage in tax-motivated loss recognition to offset previously recorded income. Since tax and financial income by design is linked (Guenther, Maydew, and Nutter 1997), net operating loss reporting can impose significant costs on CEOs who have to recognize similar losses for financial reporting purposes. As a result, firms must motivate the CEO to accelerate loss recognition if the firm expects to benefit from the cash inflows generated by the tax refund. In the current study, I examine whether CEO cash-based compensation increases to offset the potential negative costs that can arise …

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The Role Of Rhizobial Mutualisms In The Establishment And Colonization Of Exotic Acacia Species In Novel Ranges, Metha Martine Klock Jan 2015

The Role Of Rhizobial Mutualisms In The Establishment And Colonization Of Exotic Acacia Species In Novel Ranges, Metha Martine Klock

LSU Doctoral Dissertations

Comparing species establishment and expansion across regional and global scales and comparing congeners that differ in invasive capacity can provide novel insights into mechanisms driving species invasions. Acacia species introduced from Australia around the globe constitute an ideal group for comparing drivers of establishment across different regions and species. Acacias form mutualistic associations with nitrogen-fixing root-nodule bacteria (i.e. rhizobia), which may be a key factor in invasion success. In this dissertation, I examine the acacia-rhizobia mutualism across a suite of host species to explore a key mechanism influencing patterns and processes of acacia invasion. I used three complementary approaches to …

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Dwelling Poetically, Proceeding Orphically: The Platonic Tradition And The Heideggerian Humanism Of Ernesto Grassi, Geoffrey Alexander Leeves Bain Jan 2015

Dwelling Poetically, Proceeding Orphically: The Platonic Tradition And The Heideggerian Humanism Of Ernesto Grassi, Geoffrey Alexander Leeves Bain

LSU Doctoral Dissertations

Martin Heidegger exerted an immense influence over twentieth century thought by providing profound insights into the nature of Being as well as scathing social critiques, focused on the destructive force of late modern technological reductionism. As part of Heidegger’s project, he elaborated upon a sophisticated history of Being in which two great monsters of Platonism and Humanism are cast as Antichrist and False Prophet. Subsequently, however, his own student Ernesto Grassi argued that Renaissance Humanism was not a stepping stone towards subjectivism and technological thinking, but rather stood in conformity with the fundamental essence of Heidegger’s own project. This study …

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The Bioactive Compounds In Agricultural Products And Their Roles In Health Promoting Functions, Yixiao Shen Jan 2015

The Bioactive Compounds In Agricultural Products And Their Roles In Health Promoting Functions, Yixiao Shen

LSU Doctoral Dissertations

Bioactive compounds from different agricultural food products have attracted great interest from food industries and researchers for their health promoting functions such as antioxidant, antiaging, anti-inflammatory and anticancer performance. In this study, hydrophilic and lipophilic fraction of two economical agricultural products sweet sorghum millet and sweet potato, as well as two herbs, butterfly pea and basil were extracted. The profiles and contents of phenolics, fatty acids, tocopherols, carotenoids and phytosterols in these selected agricultural products were determined by chromatography and mass spectrum methods. Additionally, the anti-lipid-oxidation capability of sweet sorghum millet and basil, and anti-cancer potential of butterfly pea seed …

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Thiol-Ene Scaffolds As Synthetic Augments And Silicate Ceramics As Osteogenic Components For Bone Tissue Engineering Applications, Cong Chen Jan 2015

Thiol-Ene Scaffolds As Synthetic Augments And Silicate Ceramics As Osteogenic Components For Bone Tissue Engineering Applications, Cong Chen

LSU Doctoral Dissertations

Bone tissue engineering approaches using polymer/ceramic composites show promise as effective biocompatible, absorbable, and osteoinductive materials. A novel class of in situ polymerizing thiol-acrylate based copolymers synthesized via an amine-catalyzed Michael addition was studied for its potential to be used in bone defect repair. Both pentaerythritol triacrylate-co-trimethylolpropane tris(3-mercaptopropionate) (PETA-co-TMPTMP) and PETA-co-TMPTMP with hydroxyapatite composites were fabricated in solid cast and foamed forms. These materials were characterized chemically and mechanically followed by an in vitro evaluation of the biocompatibility and chemical stability in conjunction with human adipose-derived mesenchymal pluripotent stem cells (hASC). The solid PETA-co-TMPTMP with and without hydroxyapatite (HA) exhibited …

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The Saxophone Symposium: An Index Of The Journal Of The North American Saxophone Alliance, 1976-2014, Ashley Kelly Jan 2015

The Saxophone Symposium: An Index Of The Journal Of The North American Saxophone Alliance, 1976-2014, Ashley Kelly

LSU Doctoral Dissertations

The Saxophone Symposium is the journal of the North American Saxophone Alliance and is a peer-reviewed academic publication. Since 1976, its readership has enjoyed articles on a variety of saxophone related topics as well as reviews of contemporary recordings and publications. Aside from these academic applications, The Saxophone Symposium is an historical account of some of the saxophone culture in North America and beyond. Academic journals such as this are invaluable to both students and educators, and the ability to access the information within them is vital. Prior to the digital age, the majority of serious academic journals have been …

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Regulation Of The Chloride Store In The Retinal Amacrine Cells, Vijai Krishnan Jan 2015

Regulation Of The Chloride Store In The Retinal Amacrine Cells, Vijai Krishnan

LSU Doctoral Dissertations

Nitric Oxide (NO) is a key gaseous messenger that has been shown to be produced by multiple cell types in the vertebrate retina. Research in our lab is aimed at unlocking critical synaptic functions of NO. A major finding from our lab is that NO affects synaptic responses in amacrine cells by altering the plasma membrane gradient for Cl-. This is due to release of Cl- from an internal store and this in turn dependent on a decrease in cytosolic pH. Determining the factors regulating cytosolic Cl- in neurons is fundamental to our understanding of the function of GABAergic and …

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Regulatory Impacts Of Assembled Pol Iii Complexes On Neighboring Pol Ii Transcribed Genes In Saccharomyces Cerevisiae, Qing Wang Jan 2015

Regulatory Impacts Of Assembled Pol Iii Complexes On Neighboring Pol Ii Transcribed Genes In Saccharomyces Cerevisiae, Qing Wang

LSU Doctoral Dissertations

RNA polymerase III (Pol III) transcribes tRNAs as well as other small non-coding RNAs. tRNA genes contain internal promoter sequences (A- and B-boxes) which can be specifically recognized and bound by TFIIIC. Binding of TFIIIC facilitates TFIIIB recruitment, which in turn targets Pol III to be recruited and initiate transcription. In addition to typical tRNA genes, there are other chromosomal regions, referred as extra-TFIIIC (ETC) sites, that are only bound by TFIIIC. Apart from transcription of genes, both complete and partially assembled Pol III complexes perform extra-transcriptional functions such as influencing nearby Pol II transcription, displacement of nearby nucleosomes, as …

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Musicking New Orleans Street Musicians: A Methodology For Writing About Music, Savannah Cadi Rose Ganster Jan 2015

Musicking New Orleans Street Musicians: A Methodology For Writing About Music, Savannah Cadi Rose Ganster

LSU Doctoral Dissertations

This project argues for the use of performative writing as a methodology for writing about musical performances. An analysis of recent scholarship on music and musical performances written by performance studies scholars supports the use of performative writing in texts that address musical performances. In order to further this methodological claim, this study uses performative writing to document both historical and present day accounts of musical performances of street musicians in New Orleans. Utilizing Foucault’s theories on and Roach’s model of genealogy, Bruner’s notion of reflexive ethnography, and Small’s concept of musicking, I theorize, on a meta-methodological level, that performative …

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A Performer's Guide To Richard Danielpour's A Woman's Life, Carline Waugh Jan 2015

A Performer's Guide To Richard Danielpour's A Woman's Life, Carline Waugh

LSU Doctoral Dissertations

This document serves as a guide to the song cycle A Woman’s Life composed by Richard Danielpour in 2007. The document presents relevant biographical information on the composer and a discussion on his influences and style. Each movement of the cycle has been selected by Dr. Maya Angelou from her poetry collections and collectively forms the narrative of A Woman’s Life. A brief discussion is presented on the life and some of the works of Angelou. Readers of this document will gain further insight into the life of soprano Angela Brown, for whom the cycle was composed. A discussion on …

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Compromising The Craft: A Mixed-Methodological Analysis Of The Products And Processes Of Storytelling In Local Television And Digital News, Keren Esther Henderson Jan 2015

Compromising The Craft: A Mixed-Methodological Analysis Of The Products And Processes Of Storytelling In Local Television And Digital News, Keren Esther Henderson

LSU Doctoral Dissertations

Before the Telecommunications Act of 1996, station ownership was highly restricted to ensure that owners could not dominate in any one market nor own more than a handful of stations across all markets. The Act deregulated station ownership, redefining the role of the station owner from a financial supporter of public communication to an aggressive competitor in the television marketplace. With nearly three quarters of Americans citing local television and digital journalism as their top sources for information, this study serves two purposes: (1) to confirm the existence of storytelling as a professional, value-driven journalistic behavior in local television news …

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Synthesis With Hypergraphs, Christopher Thomas Alvin Jan 2015

Synthesis With Hypergraphs, Christopher Thomas Alvin

LSU Doctoral Dissertations

Many problems related to synthesis with intelligent tutoring may be phrased as program synthesis problems using AI-style search and formal reasoning techniques. The _x000C_first two results in this dissertation focus on problem synthesis as an aspect of intelligent tutoring systems applied to STEM-based education frameworks, specifically high school geometry. Given a geometric _x000C_figure as input, our technique constructs a hypergraph representing logical deduction of facts, and then traverses the hypergraph to synthesize problems and their corresponding solutions. Using similar techniques, our third result is focused on exhaustive synthesis of molecules. This synthesis process involves bonding sets of basic, molecular `fragments' …

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Social Functioning In Schizotypy: An Exploration Of Communicative Effectiveness Through Speech Analysis And Observer Rated Performance In A Socially Demanding Task, Tracey Lauren Auster Jan 2015

Social Functioning In Schizotypy: An Exploration Of Communicative Effectiveness Through Speech Analysis And Observer Rated Performance In A Socially Demanding Task, Tracey Lauren Auster

LSU Doctoral Dissertations

Individuals with schizotypal traits have demonstrated sub-clinical symptoms of psychosis (e.g. perceptual disturbances, self-reported social functioning impairment, self-reported memory problems, and delusions). However, the evidence has been mixed regarding what impairments exist, particularly with regards to social functioning domains. As schizotypy is posited to reflect an underlying vulnerability for development of clinical levels of psychosis/risk conversion, individuals with these traits are an important group to study in order to identify these vulnerabilities. Research has indicated that current measures of social functioning (whether they are localized objective measures of verbal and non-verbal communication or global self-report of functioning) are missing some …

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Essays On Corruption, Chandan Kumar Jha Jan 2015

Essays On Corruption, Chandan Kumar Jha

LSU Doctoral Dissertations

Corruption is a global concern and requires attention because of its detrimental effects on economic growth and development. This dissertation includes three different essays that identify some of the instruments that can be used to fight corruption. The first essay investigates whether women's presence in economic and political arenas can have a significant impact on corruption. It finds evidence that while women's presence in parliament does reduce corruption other measures of female participation in economic activities are shown to have no effect. The second essay shows that internet and Facebook have an adverse effect on corruption. Finally, in a theoretical …

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Empire Of Faith: Toleration, Confessionalism And The Politics Of Religious Pluralism In The Habsburg Empire, 1792-1867, Scott Michael Berg Jan 2015

Empire Of Faith: Toleration, Confessionalism And The Politics Of Religious Pluralism In The Habsburg Empire, 1792-1867, Scott Michael Berg

LSU Doctoral Dissertations

The issues of religious toleration and confessionalism are complex, with deep roots and unresolved, enduring legacies. This project takes a look on one sustained attempt to tackle this problem by looking at the Habsburg Empire after the death of Joseph II (r. 1780-1790), whose far-reaching reforms established extensive state control over the Catholic Church and introduced toleration for Protestants, Orthodox Christians and, in a more limited way, to Jews. Yet ultimately, religious toleration was one of the many factors that caused Joseph’s reign to end in failure. In addition, the French Revolution and Napoleonic Wars created conditions that promoted confessionalism, …

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Metamorphoses Of The Pygmalion Myth In French Literature 1771 – 1886, Carrie L. O'Connor Jan 2015

Metamorphoses Of The Pygmalion Myth In French Literature 1771 – 1886, Carrie L. O'Connor

LSU Doctoral Dissertations

Writers have long explored and attempted to portray the visual artist’s challenge of creating the ideal in the real world through art. My thesis asserts that the Pygmalion myth, originally told in written form in Ovid’s 8 A.D. Metamorphoses, is the quintessential model to explore the changing, and sometimes problematic, relationships between the artist, the creation, and the creative process. The three main characters in the Pygmalion myth – the sculptor, the sculpture, and the divine intervention – each appear, albeit in different manifestations, in its later adaptations. Throughout the late eighteenth and nineteenth centuries in French literature, authors explored …

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Time-Resolved Investigations Of Continuous Flow Synthesis Of Nanomaterials And Catalysis Using Millifluidic Reactors For Biomass Conversion Reactors, Chelliah V Navin Jan 2015

Time-Resolved Investigations Of Continuous Flow Synthesis Of Nanomaterials And Catalysis Using Millifluidic Reactors For Biomass Conversion Reactors, Chelliah V Navin

LSU Doctoral Dissertations

Millifluidics can be used as a simple tool and convenient platform to perform in-situ investigations on nanoparticles synthesis to generate real-time information in a continuous flow fashion. These investigations can be used to observe the relationship between the structure and performance of nanoparticles for catalytic applications as a function of space and time. These improvements in nanoparticles research offer unique advantages to develop catalysts with molecular strategies. In order to showcase these advantages of the millifluidic reactors, here we: A. Extensively covered a complete literature review on Lab-on-a-chip devices for gold nanoparticle synthesis and as a catalyst support for continuous …

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Impact Of The S.T.R.I.P.E.S. Leadership And Extended Orientation Program On Philanthropic Giving, Beverly Brooks Thompson Jan 2015

Impact Of The S.T.R.I.P.E.S. Leadership And Extended Orientation Program On Philanthropic Giving, Beverly Brooks Thompson

LSU Doctoral Dissertations

This study investigated the impact participating in S.T.R.I.P.E.S., a leadership and extended orientation program, had on the philanthropic giving of recent alumni at a research university in the Southeastern United States. The dependent variable for this study was philanthropic giving to the institution during the three years immediately following graduation, as defined by their personal donations as recorded in cumulative giving by the university’s foundation. The goal of the study was to determine to what extent, if any, school leadership development, loyalty, and engagement taught through leadership and extended orientation programs influence the donation behavior of recent graduates. The target …

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Calibration And Categorization Of Plant Available Silicon In Louisiana Soils, Tapasya Babu Jan 2015

Calibration And Categorization Of Plant Available Silicon In Louisiana Soils, Tapasya Babu

LSU Doctoral Dissertations

A survey was conducted to document the silicon (Si) content of soils from 27 (selected) agrarian parishes of Louisiana using different extraction procedures. For 0.01 M calcium chloride (CaCl©ü) extraction procedure, all surveyed soils (n=212) fell below 56 mg Si kg⁻©ö. For five of the procedures, about 50% of surveyed soils in Louisiana had Si level below the critical Si level that thus far established in other regions. Calcium silicate slag and wollastonite were compared through chemical extractions after laboratory incubation with six different soil types, and then an assessment of quantity of monosilicic acid (H©þSiO©þ) sorbed and the quantity …

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Towards The Realization Of Systematic, Self-Consistent Typical Medium Theory For Interacting Disordered Systems, Chinedu Ekuma Ekuma Jan 2015

Towards The Realization Of Systematic, Self-Consistent Typical Medium Theory For Interacting Disordered Systems, Chinedu Ekuma Ekuma

LSU Doctoral Dissertations

This work is devoted to the development of a systematic method for studying electron localization. The developed method is Typical Medium Dynamical Cluster Approximation (TMDCA) using the Anderson-Hubbard model. The TMDCA incorporates non-local correlations beyond the local typical environment in a self-consistent way utilizing the momentum resolved typical-density-of-states and the non-local hybridization function to characterize the localization transition. For the (non-interacting) Anderson model, I show that the TMDCA provides a proper description of the Anderson localization transition in one, two, and three dimensions. In three-dimensions, as a function of cluster size, the TMDCA systematically recovers the re-entrance behavior of the …

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Essays On Mortgage Debt Payment, Meagan Nicole Mccollum Jan 2015

Essays On Mortgage Debt Payment, Meagan Nicole Mccollum

LSU Doctoral Dissertations

In this dissertation, I offer three independent studies that each contribute to the literature on mortgage debt payment. In the first paper, I examine the recent phenomenon of mortgage curtailment (borrowers making voluntary partial prepayments) and link this behavior to consumer deleveraging trends. In the second paper, I use the curtailment measures developed in the first essay to examine heterogeneity in sensitivity to current mortgage leverage in default decisions. Considering the group of borrowers who have previously curtailed mortgage debt, I posit such borrowers should be less sensitive to current leverage than borrowers without past curtailments because previous curtailers have …

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A Performer's Guide To Sergei Lyapunov's Concerto For Piano And Orchestra No.1, Op.4, Irina Cunev Jan 2015

A Performer's Guide To Sergei Lyapunov's Concerto For Piano And Orchestra No.1, Op.4, Irina Cunev

LSU Doctoral Dissertations

This document is intended to contribute to the ongoing study of Sergei Lyapunov’s work by focusing on his First Piano Concerto, a brilliant work that was once highly esteemed, but which has been unjustly neglected over the years. The main purposes of this study and the accompanying public lecture-recital are threefold: 1) to provide a historical background and to discuss major music trends that shaped Lyapunov’s style, along with biographical information about the composer’s life, 2) to provide a specific descriptive analysis of key stylistic elements utilized in the concerto and 3) to provide a detailed discussion of pianistic techniques …

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Va-Et-Vient, The Goin' And Comin' Of Infinitival 'To': A Study Of Children With And Without Specific Language Impairment In Cajun English, Andrew Mandell Riviere Jan 2015

Va-Et-Vient, The Goin' And Comin' Of Infinitival 'To': A Study Of Children With And Without Specific Language Impairment In Cajun English, Andrew Mandell Riviere

LSU Doctoral Dissertations

The purpose of this study was to examine Cajun English (CE)-speaking children’s marking of infinitival TO. To do this, CE-speaking children’s marking of infinitival TO was compared to the marking of infinitival TO by Southern White English (SWE)- and African American English (AAE)-speaking children. Marking of infinitival TO also was examined as a function of the children’s clinical status (i.e., Specific Language Impairment, SLI, or typically developing, TD) and by the verb contexts that preceded the infinitival TO forms.

The data came from 180 kindergarteners who lived in four rural towns in Assumption Parish, Louisiana. The children’s dialect classifications were …

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Constitutive Modeling And Experiments For The Micro And Nano Behaviors In Metals, Cheng Zhang Jan 2015

Constitutive Modeling And Experiments For The Micro And Nano Behaviors In Metals, Cheng Zhang

LSU Doctoral Dissertations

This work addresses the micro- and nano-behaviors in metals through constitutive modeling and experiments. The size effect encountered during nanoindentation experiments, which is known as indentation size effect (ISE), is investigated for metal materials. The ISE is believed to be related with the strain gradient at small indentation depths. Geometrically necessary dislocations (GNDs) are formed in order to accommodate the strain gradient, which results in the increase in the material hardness. The grain boundaries in polycrystalline materials play an important role on the material hardness during nanoindentation experiments as there is a soften-hardening segment in the curve of hardness as …

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An Ontological (Re)Thinking: Ubuntu And Buddhism In Higher Education, David Wayne Robinson-Morris Jan 2015

An Ontological (Re)Thinking: Ubuntu And Buddhism In Higher Education, David Wayne Robinson-Morris

LSU Doctoral Dissertations

Institutions of higher education, the nation’s ideological filters, shape our world and our very being-in-the-world. Given the current anthro-cultural state of affairs around the globe, this investigation posits institutions of higher education’s complicity in the proliferation of societal dis-ease and its responsibility in assisting to recalibrate the global moral compass. Following these assertions this inquiry is focused on the other-than-ness of higher education, and re-imagines both humanity and higher education to be what it is not yet, but must become. More specifically, through Buddhism and Ubuntu, this investigation (re)thinks institutions of higher education as transformational educative environments of human becoming …

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The Moderating Effects Of Family Management Factors On The Relationship Between Violence Exposure And Aggression, Christine Marie Raines Jan 2015

The Moderating Effects Of Family Management Factors On The Relationship Between Violence Exposure And Aggression, Christine Marie Raines

LSU Doctoral Dissertations

Community violence, in the form of direct victimization or witnessing violent acts, is a prevalent public safety concern in many communities. Individuals who are exposed to community violence often exhibit a variety of associated mental health concerns, including anxiety, depression, and posttraumatic stress symptoms. One of the most common negative outcomes associated with violence exposure among adolescents is engaging in aggressive or violent behavior. In order to mitigate the health, safety, and legal consequences associated with this outcome, it is worth examining factors that may protect adolescents from exhibiting behavior problems subsequent to community violence exposure. In the present study, …

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