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Production Capabilities And Economic Potential Of An Australian Redclaw Crayfish (Cherax Quadricarinatus) Hatchery In The United States., Paul Boyce Medley
Production Capabilities And Economic Potential Of An Australian Redclaw Crayfish (Cherax Quadricarinatus) Hatchery In The United States., Paul Boyce Medley
LSU Historical Dissertations and Theses
In most of the United States, overwintering redclaw crayfish (Cherax quadricarinatus) is necessary because they cannot withstand winter temperatures. Consequently, hatcheries are required to produce juveniles for pond stocking. The objectives of this study were: (1) identify biological factors affecting production of juvenile redclaw, (2) determine production capabilities of a redclaw crayfish hatchery, and (3) determine the economic potential of redclaw hatcheries. Experiments were designed to assess fecundity and factors influencing spawning such as stocking density, male/female weight, diet, mortality, and cannibalism. Research was also conducted to determine egg development time, hatching success, and juvenile growth and survival. Pooled survival …
Determining Process Target Value And Ordering Policies In Two-Echelon Hierarchy Production System., Jinshyang Roan
Determining Process Target Value And Ordering Policies In Two-Echelon Hierarchy Production System., Jinshyang Roan
LSU Historical Dissertations and Theses
Selection of the mean (target value) for a production process is a classical problem in quality control. Basically, a process mean is selected based on a balance between production cost and economical consequences associated with conforming items and nonconforming items. The process mean affects many production decisions. In particular, because it determines the process conforming and yields rates, it affects the production setup policy. These production decisions also affect the raw material requirement and, thus, its procurement policy when the raw material is supplied by outside vendors. Consequently, process mean, production and raw material procurement policies should be jointly determined …
The Effects Of Computer-Intensive Algebra On Students' Understanding Of The Function Concept., Brian Richard O'Callaghan
The Effects Of Computer-Intensive Algebra On Students' Understanding Of The Function Concept., Brian Richard O'Callaghan
LSU Historical Dissertations and Theses
The purpose of this study is to examine the effects of the Computer-Intensive Algebra (CIA) and traditional algebra (TA) curricula on students' understanding of the function concept. CIA was developed recently in an effort to address some of the deficiencies in TA, namely, its over-emphasis of procedural skills and lack of attention to concepts and problem solving (Fey, 1992; Kieran, 1990). The major features of this innovative curriculum are (a) a problem solving approach based on the modelling and exploration of realistic problem situations, (b) an emphasis on conceptual knowledge, and (c) the extensive use of technology. This study hypothesizes …
Control Of One Percent Yield Offset In Reaction Injection Molding., Samuel Mills Peebles
Control Of One Percent Yield Offset In Reaction Injection Molding., Samuel Mills Peebles
LSU Historical Dissertations and Theses
Reaction Injection Molding produces parts that must meet property specifications to be useful. For example a car bumper must have a high impact strength to prevent the car from being damaged during a collision. This research presents a control algorithm that can be implemented to control the part properties of reaction injection molded parts. The part property need not be measurable on line if the property is affected by the reaction conditions within the mold. This is an important feature of the algorithm since many important properties, such as yield strength, cannot be measured without destroying the part. The algorithm …
Blood Pressure Reactivity And Emotion Among Borderline Hypertensives, Mild Hypertensives, Diabetic Hypertensives, And Normotensives., Alicia G. Pellegrin
Blood Pressure Reactivity And Emotion Among Borderline Hypertensives, Mild Hypertensives, Diabetic Hypertensives, And Normotensives., Alicia G. Pellegrin
LSU Historical Dissertations and Theses
The purpose of this study was to examine the relationship between emotion and blood pressure levels and variability for 80 Caucasian subjects between the ages of 30 and 65 matched on gender. The subjects were divided into four groups: normotensives, untreated borderline essential hypertensives, treated mild essential hypertensives, and Type II diabetic hypertensives. Subjects completed five psychological measures: the Beck Depression Inventory (BDI); State-Trait Anxiety Inventory-trait anxiety (STAI-Tanx); State-Trait Anger Expression Inventory-trait anger (STAXI-Tang); the ratio of anger-in to anger-out (STAXI-IO); and the Autonomic Nervous System Response Inventory (ANSRI). Subjects then recorded their home blood pressures seven times throughout the …
The Information Content Of Dividend Initiations., Yangpin Shen
The Information Content Of Dividend Initiations., Yangpin Shen
LSU Historical Dissertations and Theses
The purpose of this dissertation is to reexamine the dividend information hypothesis and to provide additional evidence on the nature of the information revealed by dividend initiations. Evidence on (1) announcing firms' stock price reactions, (2) analyst earnings forecast revisions for announcing firms, (3) rivals' stock price reactions, and (4) analyst earnings forecast revisions for rivals will be presented. On average, the stock market reacts positively to the announcement of dividend initiations and the degree of this reaction can be significantly explained by three information proxies: dividend yield, firm size, and trading volume. Moreover, I find that dividend initiation announcement …
Explicit Memory Bias For Body-Related Stimuli In Eating Disorders., Shannon Buckles Sebastian
Explicit Memory Bias For Body-Related Stimuli In Eating Disorders., Shannon Buckles Sebastian
LSU Historical Dissertations and Theses
This investigation studied the presence of an explicit memory bias for emotional body related stimuli in patients diagnosed with an eating disorder. Explicit memory refers to the recall of stimuli previously presented. Explicit memory tasks are thought to reflect cognitive elaboration mechanisms. Research on depressed patients has found a bias for recalling negatively valenced information and/or a bias against recalling positively valenced information. This study sought to extend this type of memory bias research to eating disorder patients. Three groups were examined, a group of clinical eating disordered women (n = 30), a group of weight preoccupied non-eating disordered individuals …
"A Proper Little Lady" And Other Twisted Tales Of Adolescent Femininity., Natalie Guice Adams
"A Proper Little Lady" And Other Twisted Tales Of Adolescent Femininity., Natalie Guice Adams
LSU Historical Dissertations and Theses
The purpose of this ethnographic study is to explore the stories told by four adolescent females about how they construct a gendered identity amidst the conflicting and contradictory expectations of them as adolescents and as females. After situating the study within a feminist poststructuralist framework, the dominant cultural scripts that have dictated what constitutes normative adolescent and feminine behavior are examined. Of particular importance to this study is the way in which these dominant discourses of femininity and adolescence are manifested in the middle school that the participants attend, especially in the school's attempt to mold its female students into …
A Study Of Nontraditional Referral And Screening Of Culturally Different Gifted Children., Jo Anne Welch
A Study Of Nontraditional Referral And Screening Of Culturally Different Gifted Children., Jo Anne Welch
LSU Historical Dissertations and Theses
The purpose of this study was to determine the effectiveness of using nontraditional referral and screening procedures to identify culturally different (minority) gifted children. The extreme disparity of representative frequencies of these groups within gifted programs nationally and in Louisiana prompted research in four parishes (counties) to compare nontraditional with traditional identification procedures. The nontraditional referral procedures included child search methods and parent and teacher training about the characteristics of giftedness among culturally different populations. Nontraditional screening procedures included the use of creativity and leadership checklists, analysis of achievement in all academic areas, and the use of the Matrix Analogies …
Patterns Of Adaptive Functioning In Cortical And Subcortical Diagnostic Groups Of Dementia., Paul Matthew Dammers
Patterns Of Adaptive Functioning In Cortical And Subcortical Diagnostic Groups Of Dementia., Paul Matthew Dammers
LSU Historical Dissertations and Theses
Much debate exists as to the independence of subcortical dementia as a recognizable clinical entity. Researchers in the dementia area seem to accept that cortical dementias are relatively more incapacitating than subcortical dementias. However, there are no empirical studies to support this claim. Impairment in adaptive functioning is one criterion to be met in the diagnosis of dementia according to DSM-III-R (APA, 1987) and NINCDS-ADRDA criteria (McKhann, Drachman, Folstein et al., 1984). However, a comparison of the degree of impairment in adaptive functioning between subcortical and cortical diagnostic groups of dementia has never been systematically and empirically investigated. This study …
"Vertue Vanish'd": Censorship Of Early English Women Dramatists., Sigrid Marika King
"Vertue Vanish'd": Censorship Of Early English Women Dramatists., Sigrid Marika King
LSU Historical Dissertations and Theses
This dissertation traces the impact of censorship on women dramatists from the Renaissance through the late eighteenth century, focusing on the plays of Elizabeth Cary, Aphra Behn, Mary Pix, and Susanna Centlivre. Several types of censorship--politica1, religious, and moral--affected the work of these playwrights, and several agencies--the Master of Revels, the audience, the theatre manager, and the prompter--were involved in censorship of their works. When early modern women wrote for the stage, they confronted the strictures against publication and public exposure. The four playwrights discussed here used a combination of self-censorship and subversive strategies in their work. Self-censorship was particularly …
Structural Equation Modeling Analysis Of Risk Factors For The Development Of Eating Disorder Symptoms In Adolescents., Susan Elizabeth Barker
Structural Equation Modeling Analysis Of Risk Factors For The Development Of Eating Disorder Symptoms In Adolescents., Susan Elizabeth Barker
LSU Historical Dissertations and Theses
Risk factors which have been shown to influence the development of body dissatisfaction and eating disturbance in adolescents include depressed mood, low self-esteem, a history of teasing about physical appearance, social and parental pressure to be thin, pubertal timing, and actual body weight or body mass index. In the present study, an etiological model was proposed with these risk factors as predictors of the presence of eating disorder symptoms; this association was hypothesized to be mediated by dissatisfaction with body shape and weight. Structural equation modeling was used to test this theoretical model within a total sample of 345 adolescent …
Reservoir Performance History Matching Using Type-Curves., Jeffrey Guy Callard
Reservoir Performance History Matching Using Type-Curves., Jeffrey Guy Callard
LSU Historical Dissertations and Theses
Recently, decline-curve analysis has expanded to permit engineers to analyze a petroleum reservoir directly in regard to its fluid-flow characteristics and its volumetric extent using rate-time type-curves of the constant terminal pressure solution of the diffusivity equation. This analysis is of enormous value to reservoir managers whose goal is to maximize oil and gas production from a petroleum reservoir. Reservoir extent, continuity, and flow capacity are paramount characteristics that are considered when developing models that predict reservoir performance while using alternative depletion strategies, such as during fluid-injection projects or enhanced recovery. Reservoir producing conditions to which this technique can be …
Cauldron Of Changes: Feminist Spirituality In Contemporary American Women's Fiction., Janice Celia Crosby
Cauldron Of Changes: Feminist Spirituality In Contemporary American Women's Fiction., Janice Celia Crosby
LSU Historical Dissertations and Theses
My dissertation, Cauldron of Changes: Feminist Spirituality in Contemporary American Women's Fiction, combines feminist perspectives from literary and religious thinkers to inform a discussion of the overlooked aspects of contemporary European-American women's speculative fiction. The introductory chapter provides an overview of the feminist spirituality movement as it incorporates Goddess- and earth-centered religious perspectives, and covers the themes common to both spiritual practice and fiction. "Rewriting History and Legend," the second chapter, shows how the feminist spirituality movement has furthered the feminist project of rewriting myth, legend, and history, thus challenging the foundations of the cultural tradition of the West. In …
The Thousand Appliances: Virginia Woolf And The Tools Of Visual Literacy., Janice M. Stein
The Thousand Appliances: Virginia Woolf And The Tools Of Visual Literacy., Janice M. Stein
LSU Historical Dissertations and Theses
The texts of Virginia Stephen Woolf are rife with references to writers' tools, which she referred to in her diary as "the thousand appliances one needs for writing even a sentence." This dissertation examines the exact nature of Woolf's "need" for the tools of her craft and their influence upon her thought and art. Pens, and by association, ink and the writer's hands, were the center of all her authorial experiences and provided the literal link between the idea of art and its fruition as a work of art. The graphic shapes of words and paralinguistic devices such as punctuation …
Life History Responses To Fire Season In A Clonal Herb, Pityopsis Graminifolia (Asteraceae)., John Stephen Brewer
Life History Responses To Fire Season In A Clonal Herb, Pityopsis Graminifolia (Asteraceae)., John Stephen Brewer
LSU Historical Dissertations and Theses
The effects of three fire seasons (May, August, and January) on reproductive success and clonal growth of a golden aster (Pityopsis graminifolia) were examined within experimental burn plots in a longleaf pine savanna in north Florida. Several factors influenced reproductive success in this species, including rates of floral induction and bud herbivory, clone fecundity, and seedling dynamics. Flowering was induced by fire, especially when it occurred in May or August. Fire season affected rates of floral induction and bud herbivory by as much as one to two orders of magnitude. Sizes of bolting shoots were also affected by fire season. …
A Specification Environment That Supports The Prototyping Of Distributed Systems Using An Object-Oriented Model., Abbas Dehkhoda
A Specification Environment That Supports The Prototyping Of Distributed Systems Using An Object-Oriented Model., Abbas Dehkhoda
LSU Historical Dissertations and Theses
High-speed computer networking, interactive service, and incremental growth for computing are some of the motivations for developing a distributed system. Despite the inherent benefits of a distributed system, the development of software support is more difficult for distributed systems than for sequential systems. In either case, difficulties may arise from the communication problems between two groups of people with different backgrounds trying to formulate requirements for the system. This process depends on feedback and may take many iterations to converge. Customers can usually recognize the features they need when they start using a system, which makes prototyping an important tool …
The Ten Violin Concertos Of Charles-Auguste De Beriot: A Pedagogical Study., Nicole De Carteret Hammill
The Ten Violin Concertos Of Charles-Auguste De Beriot: A Pedagogical Study., Nicole De Carteret Hammill
LSU Historical Dissertations and Theses
Charles-Auguste de Beriot (1802-70) was a Belgian violinist, composer, and teacher. He was trained in his youth in Belgium and in the early 1820s travelled to Paris and studied briefly with the noted teacher Pierre Baillot at the Paris Conservatoire. He then embarked upon a solo career and from 1829 to 1836 he toured with the famed opera singer Maria Malibran, whom he married in 1836. In 1842, after declining an offer to replace Baillot at the Paris Conservatoire, Beriot accepted a position at the Brussels Conservatoire. He remained there until his retirement due to failing eyesight in 1852, and …
Development And Construct Validation Of An Instrument To Measure Caring In The Helping Professions., Barbara Spruill Moffett
Development And Construct Validation Of An Instrument To Measure Caring In The Helping Professions., Barbara Spruill Moffett
LSU Historical Dissertations and Theses
The primary purpose of this study was to investigate the construct of caring in the helping professions and to develop an instrument to measure the affective component of caring in the specific context of professional nursing. The study involved development of a conceptual framework for the construct of caring, instrument development, and examination of validity evidence using multiple criteria. The sample for this study included 421 registered nurses employed in randomly selected acute care settings. Each participant completed the Caring Inventory for Nurses (CI-N) which included 40 items representing four hypothesized dimensions: receptivity, responsivity, moral/ethical consciousness and professional commitment. Seven …
Industrial Buyer-Seller Alliances: An Interorganizational Strategic Perspective., Charles Chris Nielson
Industrial Buyer-Seller Alliances: An Interorganizational Strategic Perspective., Charles Chris Nielson
LSU Historical Dissertations and Theses
Industrial suppliers often seek close relationships with selected customers in order to obtain certain strategic advantages. These advantages include not only those accruing directly from the preferred position with that particular customer (e.g., an assured outlet for the firm's products), but also those related to the attainment of mutual buyer-seller benefits including, as examples, new product development, new market entry, reduced distribution and shipping costs, and others. These advantages are obtained by the creation of close formal and informal ties or bonds between the firms using joint product development projects, R&D projects, Just-in-Time logistics systems and others. These types of …
The Evolution Of Dividend Policy In The Corporation And In Academic Theory., Bob G. Wood Jr
The Evolution Of Dividend Policy In The Corporation And In Academic Theory., Bob G. Wood Jr
LSU Historical Dissertations and Theses
"The harder we look at the dividend picture, the more it seems like a puzzle with pieces that just don't fit together" (Black, 1976). The purpose of this study is to examine the dividend phenomenon. The first essay of the dissertation investigates the origins, modifications and adaptations of corporate dividend payments to shareholders. Contemporary theoretical modeling to date has neglected to acknowledge the potential influence of dividend payment tradition in the formulation of dividend policy. The second essay examines the evolution of the theoretical attempts to explain dividend policy and empirical tests of these theories. The dividend paradigms are divided …
The Design, Synthesis And Structure-Function Studies Of Highly Repetitive Amphiphilic Antibacterial Peptides And The Synthesis Of Benz(F)Indene For The Preparation Of Novel Metallocenes., Calvin Lawrence Becker
The Design, Synthesis And Structure-Function Studies Of Highly Repetitive Amphiphilic Antibacterial Peptides And The Synthesis Of Benz(F)Indene For The Preparation Of Novel Metallocenes., Calvin Lawrence Becker
LSU Historical Dissertations and Theses
Several different peptides exhibit antimicrobial activity based upon an amphiphilic $\alpha$-helical secondary structure. Antimicrobial action occurs because these peptides compromise the integrity of the cell membrane and ultimately cause cell lysis. It is believed that ion-channel formation is the mechanism by which this lysis occurs. The goal of this research has been to conduct structure-function studies of synthetic peptides to aid in the determination of the mode of action of lytic peptides. Several peptides based upon a minimalist approach have been synthesized. Amphiphilicity and $\alpha$-helicity were the desired structural features. With these as the necessary structural motifs we set out …
Factors Affecting Asulam Activity On Sugarcane (Saccharum Sp.) Cultivars And Johnsongrass (Sorghum Halepense)., Stacey Alan Bruff
Factors Affecting Asulam Activity On Sugarcane (Saccharum Sp.) Cultivars And Johnsongrass (Sorghum Halepense)., Stacey Alan Bruff
LSU Historical Dissertations and Theses
Studies were conducted to evaluate several factors that may account for the variability in johnsongrass (Sorghum halepense (L.) Pers.) control and sugarcane (Saccharum sp.) cultivar sensitivity observed with postemergence application of asulam, methyl ((4-aminophenyl)sulfonyl) carbamate, herbicide. Johnsongrass at boot stage to 70% seedhead emergence was exposed to simulated rainfall (1.3 cm of water in 15 min) 0, 3, 6, 12, 24, and 48 h after application of asulam at 3.7 kg/ha. Predicted critical rainfree period at which greatest johnsongrass control (65 to 80%) was obtained ranged from 8 to 20 h after treatment, dependent on johnsongrass growth stage and environmental …
Energy Dependence Of Photoion Rotational Distributions., Heung-Cheun Choi
Energy Dependence Of Photoion Rotational Distributions., Heung-Cheun Choi
LSU Historical Dissertations and Theses
Highly resolved molecular photoionization is a topic of intense current interest due to insights it provides into fundamental scattering processes. Rotationally resolved data provide a window on the angular momentum composition of the photoelectron and the partitioning of angular momentum between the ion and photoelectron. Since the earliest rotational measurements via photoelectron spectroscopy (PES) of H$\sb2$ using resonance lamp excitation, studies have accelerated as a result of experimental innovations. However, all of these recent developments have been limited to threshold or near-threshold ionization phenomena. In order to bypass this constraint, we have employed dispersed fluorescence measurements. This strategy allows us …
Convention Unity Speeches., Lynna L. Cherry
Convention Unity Speeches., Lynna L. Cherry
LSU Historical Dissertations and Theses
National nominating conventions serve a number of purposes for their respective parties. Most notably, the convention officially bestows the party nomination on the candidate for president. Recent political conventions have been carefully orchestrated to create an air of party unity and solidarity behind the respective candidate. Beginning with the 1980 Democratic National Convention, there has been a new occurrence at these conventions. Contenders who were not going to receive the party nomination nor were they going to be the running mate for the party nominee have been granted podium time (usually during prime time of the convention) ostensibly for the …
On Information Usage Modeling., Ping Pete Chong
On Information Usage Modeling., Ping Pete Chong
LSU Historical Dissertations and Theses
Although it is well-known that the usage of information usually follows the 80/20 rule and concentrates on a few items, there has not been an analytical model to depict this skew distribution. This dissertation provides a theoretical foundation, based on Simon's modeling of empirical phenomena and Chen's index approach, to identify the factors which shape this usage pattern. Using Chen's index approach, we conclude that the distance and slope of the data points determine the shape of the distribution. We further examine the critical parameters in Simon's model through computer simulations, and we find the probability of new entry ($\alpha$) …
Second Order Neural Networks., Sanjoy Das
Second Order Neural Networks., Sanjoy Das
LSU Historical Dissertations and Theses
In this dissertation, a feedback neural network model has been proposed. This network uses a second order method of convergence based on the Newton-Raphson method. This neural network has both discrete as well as continuous versions. When used as an associative memory, the proposed model has been called the polynomial neural network (PNN). The memories of this network can be located anywhere in an n dimensional space rather than being confined to the corners of the latter. A method for storing memories has been proposed. This is a single step method unlike the currently known computationally intensive iterative methods. An …
A Water Balance Evaluation Of The Effects Of Climate Variability And Human Modification On The Flow Regime Of The Mississippi River, 1932-1988., Judy Lee Hoff
LSU Historical Dissertations and Theses
Human activities affecting runoff and streamflow within the Mississippi River drainage basin have been and continue to be significant. Since the disastrous flood of 1927, the U.S. Army Corps of Engineers has established an extensive regulatory system for flood control purposes and navigational benefits. Along with these river system modifications, significant landscape alterations have occurred within the basin as a result of cultural and economical development. In light of the dramatic Midwest flood of 1993, it becomes increasingly necessary to understand the comprehensive relationship between streamflow, climatic variability, and human-induced change within the overall drainage basin. A water balance methodology …
The Career Of Lola Montez In The American Theatre., Sara Elizabeth Gotcher
The Career Of Lola Montez In The American Theatre., Sara Elizabeth Gotcher
LSU Historical Dissertations and Theses
The purpose of this study is to examine the career of Lola Montez (Marie Dolores Eliza Gilbert) (c. 1818-1861) in the American theatre between 1851 and 1857 in order to provide her with an appropriate position in American theatre history. The primary sources of information for the study were contemporary newspapers from the various cities she toured in the United States as well as newspapers from London and Paris. Prior to her American tour, Lola Montez established a European reputation as an eccentric femme fatale and performer. Due to her European publicity, Montez arrived in America with audiences clamoring to …
The Relationships Of Adaptive Selling Behaviors And Customer-Oriented Selling With Need For Cognition In The Personal Selling Context., Kim Graham Johnson
The Relationships Of Adaptive Selling Behaviors And Customer-Oriented Selling With Need For Cognition In The Personal Selling Context., Kim Graham Johnson
LSU Historical Dissertations and Theses
This study examined the influences of two selling strategies-- adaptive selling behaviors and customer-oriented selling behaviors--within the interactive dyad of personal selling in the life insurance setting. These influences include the effects of the selling strategies on attitudes toward the product, attitudes toward the salesperson, and ultimate purchase intentions and recommendations. Each of the strategies is assessed from the customer's vantage point. Also need for cognition of the customer is considered as an individual difference variable impacting the sales process. Results indicate that customers' perceptions of a salesperson's selling behavior does affect purchase decisions. Implications for both researchers and practitioners …