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Hunger For Grace: The Association Between Eating Disorders And Religiousness, Janet Lydecker Mar 2010

Hunger For Grace: The Association Between Eating Disorders And Religiousness, Janet Lydecker

Theses and Dissertations

Religiousness is one potential, understudied psychosocial correlate of eating disorders. To assess associations between religiousness and eating disorders, this study developed the Religious Attendance and Belief Scale (Rel-AB), and examined its psychometric properties. Women from a large population-based sample (N = 1510; M(age) = 42.5) completed subscales measuring (1) belief in a personal and loving God, and (2) attendance at religion-related activities, as well as eating disorder measures. Belief was negatively associated with eating disorder symptomatology among women meeting broadly defined criteria for bulimia nervosa. Eating disorders and religiousness were not associated in the overall sample, and associations were largely …

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Topological Properties Of A Network Of Spiking Neurons In Face Image Recognition, Joo-Heon Shin Mar 2010

Topological Properties Of A Network Of Spiking Neurons In Face Image Recognition, Joo-Heon Shin

Theses and Dissertations

We introduce a novel system for recognition of partially occluded and rotated images. The system is based on a hierarchical network of integrate-and-fire spiking neurons with random synaptic connections and a novel organization process. The network generates integrated output sequences that are used for image classification. The network performed satisfactorily given appropriate topology, i.e. the number of neurons and synaptic connections, which corresponded to the size of input images. Comparison of Synaptic Plasticity Activity Rule (SAPR) and Spike Timing Dependant Plasticity (STDP) rules, used to update connections between the neurons, indicated that the SAPR gave better results and thus was …

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An Examination Of The Dna Content, Taxonomy And Phylogeny Of Penstemon (Plantaginaceae), Shaun R. Broderick Mar 2010

An Examination Of The Dna Content, Taxonomy And Phylogeny Of Penstemon (Plantaginaceae), Shaun R. Broderick

Theses and Dissertations

Penstemon is the largest genus in North America with more than 270 reported species. However, little is known about the genome size of this genus and how this information may be useful in selecting species in developing hybrids for landscape use. Using flow cytometry, we estimated the genome size of approximately 40% of the genus (117 specimens from 104 different species.) Genome sizes for the putative diploids ranged from 2C = 0.94 – 1.89 pg (1C = 462 – 924 Mbp) and the putative polyploids ranged from 2.57 – 6.54 pg (1C = 1,257 – 3,156 Mbp). Chromosome counts were …

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Influences On Active Family Leisure And Its Relationship To Obesity, Shallie Marlene Taylor Mar 2010

Influences On Active Family Leisure And Its Relationship To Obesity, Shallie Marlene Taylor

Theses and Dissertations

The purpose of this study was to examine how attitude, subjective norm, and perceived behavioral control influence adolescents' intent to participate in active family leisure and furthermore to explore the nature of the relationship between active family leisure and body mass index (BMI) among adolescents. Adolescents (N = 472) completed an online questionnaire assessing the theory of planned behavior (TPB) variables, active family leisure, individual active leisure, and BMI. Structural equation modeling was used to analyze the data. Tests of direct paths of attitude, subjective norm, and perceived behavioral control to intent indicated these variables were significant predictors of intent …

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The Effects Of Video Self-Modeling On Elementary Students' On-Task Behavior As A Response To Intervention, Anika Kronmiller Bales Mar 2010

The Effects Of Video Self-Modeling On Elementary Students' On-Task Behavior As A Response To Intervention, Anika Kronmiller Bales

Theses and Dissertations

Effective interventions are imperative for students who are at-risk for academic failure. Response to Intervention (RTI), a service delivery framework, is gaining momentum in schools as it aims to provide effective and appropriate interventions of varying degrees. Frequently used in the form of a three-tier process, RTI addresses academic and behavioral deficits for students first at a school-wide level; next, at an individualized level; and finally, at a more intense individualized level. This study examined the effects of video self-modeling (VSM) as a Tier 2 RTI for two students in general education classrooms. Both students exhibited low rates of on-task …

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Syngas Fermentation: Quantification Of Assay Techniques, Reaction Kinetics, And Pressure Dependencies Of The Clostridial P11 Hydrogenase, Bradley E. Skidmore Mar 2010

Syngas Fermentation: Quantification Of Assay Techniques, Reaction Kinetics, And Pressure Dependencies Of The Clostridial P11 Hydrogenase, Bradley E. Skidmore

Theses and Dissertations

Ethanol usage as a transportation fuel is rapidly increasing in the United States. Production of ethanol from cellulose feedstocks via gasification followed by syngas fermentation offers an environmentally friendly approach that mitigates many of the adverse effects associated with production from corn. In the syngas fermentation process, the hydrogenase enzyme of the fermentation bacterium, Clostridium P11 for this work, supplies electrons to the metabolic pathway, facilitating ethanol production. In this thesis, an assay for P11 hydrogenase activity was developed. It was determined that 1) less than 4 minutes of sparging with 50 sccm H2 is needed to reduce O2 levels …

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Gendered Distances: A Methodological Inquiry Into Spatial Analysis As An Instrument For Assessing Gender Equality In Access To Secondary Schools In Mukono District, Uganda, Patrick Richard Wawro Mar 2010

Gendered Distances: A Methodological Inquiry Into Spatial Analysis As An Instrument For Assessing Gender Equality In Access To Secondary Schools In Mukono District, Uganda, Patrick Richard Wawro

Theses and Dissertations

This study focused on how accessibility to secondary schools in the Mukono District of Uganda is related to the sex and gender of the student and the distance that separates the student's home from the school they attend. This research is methodological inquiry exploring the use of spatial analysis, specifically how cognitive and metric distances can be used as alternatives to gross enrollment rates (GER) and net enrollment rates (NER) for assessing gender equality in realized accessibility to secondary schools. Student home locations were collected for 756 secondary students, including 437 boarding students and 319 day students from 8 different …

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An Ontological Analysis Of Mainstream Addiction Theories: Exploring Relational Alternatives, Wiley Benjamin Hill Iii Mar 2010

An Ontological Analysis Of Mainstream Addiction Theories: Exploring Relational Alternatives, Wiley Benjamin Hill Iii

Theses and Dissertations

Individuals and societies have long struggled to understand and confront, by constructive means, the nemesis of addiction. No other human ill has provoked more concern, accounted for more suffering, or elicited greater consequence than addiction in all its diverse forms. Although alcoholism and drug abuse symbolize the traditional essence of addiction; compulsive sexuality, pathological gambling, eating disorders, tobacco use, etc., are also believed to have addictive properties according to contemporary concepts. Numerous commendable theories and therapies have been offered down through history to explain and mediate addictions conceptually enigmatic and therapeutically resistant nature. As this paper will clarify, many of …

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Turning Points: Stories Of How Students Get Beyond Antipathy Toward An Academic Course, Cheryl Lynn Morse Mar 2010

Turning Points: Stories Of How Students Get Beyond Antipathy Toward An Academic Course, Cheryl Lynn Morse

Theses and Dissertations

The purpose of this qualitative study was to examine the narratives of 10 students who began an academic course with strong negative attitudes but finished the course with strong positive attitudes. In the beginning of the course, each student exhibited one of these three tendencies: apathetic, compliant, or disillusioned; however, by the end of the course, they exhibited a transformed disposition. This study attempts to answer the question of what the turning points were for their transformation and how they made the change. The findings of this study were that regardless of individual tendencies, the ability to exercise agency was …

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Processing A Nickel Nanostrand And Nickel Coated Carbon Fiber Filled Conductive Polyethylene By Injection Molding, David Anthony Whitworth Mar 2010

Processing A Nickel Nanostrand And Nickel Coated Carbon Fiber Filled Conductive Polyethylene By Injection Molding, David Anthony Whitworth

Theses and Dissertations

A new method for pre-impregnating nickel coated carbon fiber with a thermoplastic polymer to make towpreg, similar to a recently developed coating-line by João P. Nunes et al and a new electrically conductive thermoplastic are developed. A melted bath was used to help mitigate health concerns and waste for dispersion of nickel coated carbon fibers (NCF) in low density polyethylene (LDPE). This towpreg was then mixed with more LDPE or a mixture of LDPE and nickel nanostrands (NiNS) to a desired filler volume fraction to test the electrical conductivity of the composite. Some of these mixtures were then injection molded …

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Development And Use Of Microsatellite Markers For Genetic Diversity Analysis Of Canahua (Chenopodium Pallidicaule Aellen), Amalia Vargas Mar 2010

Development And Use Of Microsatellite Markers For Genetic Diversity Analysis Of Canahua (Chenopodium Pallidicaule Aellen), Amalia Vargas

Theses and Dissertations

Cañahua (Chenopodium pallidicaule Aellen) is a poorly studied, annual subsistence crop of the high Andes of South America. Its nutritionally value (high in protein and mineral content) and ability to thrive in harsh climates (drought, extreme elevations, etc.) make it an important regional food crop throughout the Andean region. The objectives of this study were to develop genetic markers and to quantify genetic diversity within cañahua. A set of 43 wild and cultivated cañahua genotypes and two related species (C. quinoa and C. petiolare) were evaluated for polymorphism using 192 microsatellite markers derived from random genomic …

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Extensions Of Nearest Shrunken Centroid Method For Classification, Tomohiko Funai Mar 2010

Extensions Of Nearest Shrunken Centroid Method For Classification, Tomohiko Funai

Theses and Dissertations

Stylometry assumes that the essence of the individual style of an author can be captured using a number of quantitative criteria, such as the relative frequencies of noncontextual words (e.g., or, the, and, etc.). Several statistical methodologies have been developed for authorship analysis. Jockers et al. (2009) utilize Nearest Shrunken Centroid (NSC) classification, a promising classification methodology in DNA microarray analysis for authorship analysis of the Book of Mormon. Schaalje et al. (2010) develop an extended NSC classification to remedy the problem of a missing author. Dabney (2005) and Koppel et al. (2009) suggest other modifications of NSC. This paper …

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A European Case Study On The Intersection Between Public And Private Space: Increasing Breastfeeding Rates In A Modern World, Steven Matthew Stearmer Mar 2010

A European Case Study On The Intersection Between Public And Private Space: Increasing Breastfeeding Rates In A Modern World, Steven Matthew Stearmer

Theses and Dissertations

Health organizations around the world, from international bodies of government to local advocacy groups, are pushing the benefits of breastfeeding. While this is commendable, no study has ever been completed to assess on a regional scale the available policy options and their effectiveness at producing increased breastfeeding rates. It is my contention that five key factors influence the effectiveness of breastfeeding policies in Europe; Acceptance of public breastfeeding, maternity resource commitment, legal protection of breastfeeding in public and business space, a united voice in favor of breastfeeding, and limitations to formula advertisements in hospitals on media outlets. These five factors …

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Electrospray Ionization Mass Spectrometry For The Characterization Of Covalent And Noncovalent Polynuclear Platinum Compounds Interacting With Bio-Molecules, John Mangrum Mar 2010

Electrospray Ionization Mass Spectrometry For The Characterization Of Covalent And Noncovalent Polynuclear Platinum Compounds Interacting With Bio-Molecules, John Mangrum

Theses and Dissertations

Polynuclear platinum compounds represent a new class of potential platinum anticancer therapeutics. Derived from the most widely used platinum anticancer drug, cisplatin, these novel compounds are distinct in their interactions with bio-molecules. The effectiveness of platinum anticancer agents is influenced by three pharmacological factors: (i) their resistance to deactivating sulfur nucleophiles, (ii) the ability to gain cellular entry and efficient cellular uptake, and (iii) the ability to form stable and specific complexes with DNA. BBR 3464, the first multinuclear platinum compound to reach phase II clinical trials, has created a new approach to cancer drug design. Large, highly charged platinum …

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Opening And Closing The Moral Judgment--Moral Action Gap, Carol Frogley Ellertson Mar 2010

Opening And Closing The Moral Judgment--Moral Action Gap, Carol Frogley Ellertson

Theses and Dissertations

This study analyzed moral psychology's “moral judgment-moral action gap” research and found that morality was being described as a secondary phenomenon produced by underlying substrates (such as identity and self constructs, “brain modules,” and “evolved emotional systems”) which are themselves non-moral. Deriving morality from “the non-moral” presents a kind of ontological gap in the moral psychology research. Researchers implicitly close this gap assuming it is possible to get moral judgments and actions out of non-moral substrates. But the difficulty remains how the moral as “moral” becomes infused into any moral psychology models. Morality is not a secondary phenomenon arising out …

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Are Impact Factors Comparable? Impact Factor Comparisons Across Areas Of Psychology, Jason J. Van Der Horst Mar 2010

Are Impact Factors Comparable? Impact Factor Comparisons Across Areas Of Psychology, Jason J. Van Der Horst

Theses and Dissertations

Journal impact factors play an increasing role in academics as a tool for evaluating faculty, research, and resource allocations. These evaluations may be effective in departments where the subject matter is reasonably unified. However, given the diversity found within the subject matter of psychology, the impact factors of journals may not be comparable across the various areas. This study compares the average impact factors across decile levels of journals from seven areas of psychology. It is found that impact factor scores are not comparable across the seven areas of psychology. This difference is more pronounced when looking at higher decile …

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Diversity And Abundance Of The Dark Kangaroo Mouse, Microdipodops Megacephalus, In Communities Of Nocturnal Granivorous Rodents In Western North America, Ashley Sagers Haug Mar 2010

Diversity And Abundance Of The Dark Kangaroo Mouse, Microdipodops Megacephalus, In Communities Of Nocturnal Granivorous Rodents In Western North America, Ashley Sagers Haug

Theses and Dissertations

The dark kangaroo mouse, Microdipodops megacephalus, is a sensitive species in the Great Basin Desert. This thesis explores the structure of desert rodent communities of the Great Basin to better understand M. megacephalus' place in the community and the conditions that promote large and stable populations. To determine community structure, I used nestedness analysis to evaluate 99 communities of nocturnal granivorous rodents. I found that the community structure was non-random, indicating the existence of assembly rules and ecological constraints. I also found that M. megacephalus was the second most vulnerable species in the community. To explore the correlation …

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Diet Reconstruction Of Wild Rio-Grande Turkey Of Central Utah Using Stable Isotope Analysis, Benjamin D. Stearns Mar 2010

Diet Reconstruction Of Wild Rio-Grande Turkey Of Central Utah Using Stable Isotope Analysis, Benjamin D. Stearns

Theses and Dissertations

The wild turkey is endemic to North America and has played a role in human cultures past and present. However, with the turkey's elusive behavior some aspects of its ecology are challenging to understand. Diet is one of these difficult aspects to study. The purpose of this study was to determine the diet selection of wild turkeys in central Utah using non invasive stable isotope technology. We hypothesize that turkey diet is highly specific, that consumption of specific plant species correlates with the needs of the individual turkey, and that stable isotope analysis will reveal patterns in annual dietary intake. …

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Taxonomy And Applied Biogeography Of Mongolian Stoneflies (Insecta: Plecoptera), Sarah Walker Judson Mar 2010

Taxonomy And Applied Biogeography Of Mongolian Stoneflies (Insecta: Plecoptera), Sarah Walker Judson

Theses and Dissertations

Since the early 1900s, efforts have been made to catalogue the stoneflies of Mongolia. Taxonomic work from 1960 to 1980 greatly expanded basic lists of stoneflies in Mongolia, but no comprehensive survey or synthesis of this dispersed literature has been completed. In conjunction with a modern survey of the aquatic insects of Mongolia, we collected Plecoptera on a series of expeditions to the Selenge (north) and Altai (west) regions of Mongolia. A total of 48 species distributed in 24 genera and 8 families were documented, including 3 of the 5 Mongolian endemics, 2 new species records for Mongolia, and 1 …

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Role Of Members Of The Phosducin Gene Family In Protein Translation And Folding, Nana Sono-Koree Mar 2010

Role Of Members Of The Phosducin Gene Family In Protein Translation And Folding, Nana Sono-Koree

Theses and Dissertations

G proteins regulate various physiological processes by way of transducing a wide variety of signals ranging from hormonal to sensory stimuli. Malfunctions in G protein signaling lead to numerous diseases. G protein signaling begins with binding of a ligand to a G protein-coupled receptor resulting in a conformational change that leads to the exchange of a GDP for a GTP on G α. The GTP bound α subunit dissociates for its stable Gβγ dimer partner. G α-GTP and Gβγ control the activity of effector enzymes and ion channels that ultimately orchestrate the cellular response to stimulus. Current reports have shown …

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Automatic Identification And Tracking Of Retraction Fibers In Time-Lapse Microscopy, Meher Talat Shaikh Mar 2010

Automatic Identification And Tracking Of Retraction Fibers In Time-Lapse Microscopy, Meher Talat Shaikh

Theses and Dissertations

Digital image processing is widely used in the field of time-lapse microscopy and biological research to provide statistical data of cellular dynamics. The data can provide more comprehensive understanding of the molecular phenomenon. Further, digital image processing enables rapid and consistent quantification of qualitative observations. The image processing model examined here provides a study to identify structures called retraction fibers (RFs) that are formed during epithelial-mesenchymal transition (EMT) [1], an important developmental process which also occurs during cancer metastasis. Quantifying RF formation is an important task for biologists studying cellular regulation of EMT. This thesis work uses digital image processing …

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Individual And Family Predictors Of The Caregiver Burden Of Parents Rearing A Child With Diabetes, Joan Margaret Leishman Mar 2010

Individual And Family Predictors Of The Caregiver Burden Of Parents Rearing A Child With Diabetes, Joan Margaret Leishman

Theses and Dissertations

Caregiver burden results from the stress that parents feel due to their responsibilities as a caregiver. This study was performed to analyze a proposed model of variables that predict caregiver burden of parents raising a child with type 1 diabetes, as well as determine differences in mothers' and fathers' models of caregiver burden. The predictor variables of caregiver burden were based on mothers and fathers perceptions of marital conflict, marital satisfaction, depression, child externalizing behaviors, number of children in the family, and family income. The results showed that for mothers, marital conflict, depression, and child externalizing behaviors had significant direct …

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The Level Of The Beasts That Perish: Animalized Text In Charlotte Elizabeth Tonna's Helen Fleetwood, Christie Anne Peterson Mar 2010

The Level Of The Beasts That Perish: Animalized Text In Charlotte Elizabeth Tonna's Helen Fleetwood, Christie Anne Peterson

Theses and Dissertations

Although Charlotte Elizabeth Tonna's 1839 social reform novel Helen Fleetwood has long been understood as a commentary on the dehumanizing effects of factory work, her use of animals to represent factory workers has not been considered in analyses of her depictions of dehumanization. Considering both the growing interest in the animal/human divide during the early nineteenth century and Tonna's own direct contributions to discussions about animals, in this essay I examine the role that animals play in negotiating definitions of humanity and nature in the novel. I argue that idealized, "Edenic" animals and corrupted, "industrial" animals are integral to Tonna's …

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In My Busby Berkeley Dreams, Michael Pierce Mar 2010

In My Busby Berkeley Dreams, Michael Pierce

Theses and Dissertations

I use high- and low-tech approaches in my drawings and bookart to address issues of sexual identity and beauty. My work emphasizes process, content, and image. I create pictures using tightly cropped symbolic figurative imagery. I also leave smudges, smears, and traces of what happened in the making of the work to make process more visible. In my work I would like you to consider what you see and what you don’t see, to smile in recognition of something you might never have really thought about before. And when I really get it right, you might even question your own …

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Nitrogen And Phosphorus Biomass-Kinetic Model For Chlorella Vulgaris In A Biofuel Production Scheme, William M. Rowley Mar 2010

Nitrogen And Phosphorus Biomass-Kinetic Model For Chlorella Vulgaris In A Biofuel Production Scheme, William M. Rowley

Theses and Dissertations

Chlorella vulgaris was cultured in microbioreactors using Bold’s Basal medium at varying nitrogen and phosphorus concentrations to define nitrogen and phosphorus utilization standards. Nutrient concentration was varied between 137 mg/L to 7.33 mg/L NO3-N and between 55.2 mg/L to11.0 mg/L PO4-P in five test scenarios. All were grown under a constant photoperiod at 22±2 °C and a mixture of 4 to 10% carbon dioxide/air. Maximum yield and growth rate occurred with the highest initial nitrogen and phosphorus concentrations. A statistically significant difference in biomass was found among all test levels at the end of the eight day growth period. Applying …

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Toward A Mobile Agent Relay Network, Hyon H. Kwak Mar 2010

Toward A Mobile Agent Relay Network, Hyon H. Kwak

Theses and Dissertations

Although wireless communication provides connectivity where hardwired links are difficult or impractical, it is still hindered by the environmental conditions where the communicators reside. Signal loss over large distances or because of intervening obstacles can be mitigated by increasing the user's transmission power or adding repeater nodes between the users. Unfortunately, increasing the signal strength strains limited power resources and increases the likelihood of eavesdropping. Stationary repeaters are impractical for highly mobile users in dangerous environments. While mobile relay nodes might be a preferred solution, a centralized control scheme saps bandwidth from important traffic and introduces a single point of …

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Improved Multispectral Skin Detection And Its Application To Search Space Reduction For Dismount Detection Based On Histograms Of Oriented Gradients, Adam L. Brooks Mar 2010

Improved Multispectral Skin Detection And Its Application To Search Space Reduction For Dismount Detection Based On Histograms Of Oriented Gradients, Adam L. Brooks

Theses and Dissertations

Due to the general shift from conventional warfare to terrorism and urban warfare by enemies of the United States in the late 20th Century, locating and tracking individuals of interest have become critically important. Dismount detection and tracking are vital to provide security and intelligence in both combat and homeland defense scenarios including base defense, combat search and rescue (CSAR), and border patrol. This thesis focuses on exploiting recent advances in skin detection research to reliably detect dismounts in a scene. To this end, a signal-plus-noise model is developed to map modeled skin spectra to the imaging response of an …

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Investigating The Use Of Frequency Selective Surfaces In High Power Microwave Applications, Steven M. Pugh Mar 2010

Investigating The Use Of Frequency Selective Surfaces In High Power Microwave Applications, Steven M. Pugh

Theses and Dissertations

This thesis explores new territory with the theoretical investigation of the use of Frequency Selective Surfaces (FSS) in High Power Microwave (HPM) applications. Work was performed in a simulation environment where rectangular and ring-shaped FSS elements were evaluated. Incident electric field levels of 0.5MV/m were propagated toward the FSS in a plane wave that was perpendicular to the surface. Results show that the total electric field in the apertures of the FSS can reach more than 6MV/m. This necessitates the use of high strength dielectric materials surrounding the FSS to reduce the risk of electrical breakdown. It is shown that …

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Increasing The Sensitivity Of Surface Acoustic Wave (Saw) Chemical Sensors And Other Chemical Sensing Investigations, Nina R. Smith Mar 2010

Increasing The Sensitivity Of Surface Acoustic Wave (Saw) Chemical Sensors And Other Chemical Sensing Investigations, Nina R. Smith

Theses and Dissertations

The work involves the fabrication and testing of three different surface acoustic wave (SAW) device designs, an investigation of nanowires sensitive to chemicals and preconcentrator prototypes to include with chemical sensors. The SAW chemical sensor designs include modifications to a basic SAW device to see if the sensitivity of the SAW device is increased. The modifications consist of etched trenches along the propagation field, coating the device with carbon nanotubes (CNTs) under the chemically sensitive layer and coating CNTs on top of the chemically sensitive layer. SAW devices are coated with Nafion®, a polymer sensitive to ethanol. The tests indicate …

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Development Of A Flapping Wing Design Incorporating Shape Memory Alloy Actuation, Jeffrey A. Barrett Mar 2010

Development Of A Flapping Wing Design Incorporating Shape Memory Alloy Actuation, Jeffrey A. Barrett

Theses and Dissertations

This research sought to validate a proof of concept regarding shape memory alloy actuation of a flapping-wing blimp. Specimen wires were subjected to cyclic voltage at increasing frequencies to quantify expected strains. A laser vibrometer captured 2048 sample velocities during single contraction and elongation cycles, and the resulting samples were used to calculate displacements. Displacements were determined ten times for each specimen and frequency to compute averages. Subsequently, a circumventing frame was designed to encase a blimp envelope and provide support for a flapping motion actuation system. Contraction of shape memory wire translated force to the flapping mechanism via bellcranks, …

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