Digital Commons Network^™

An Evaluation Of The Effect Of Degradation On Irisplex Snps, Maria Gruber

Master's Theses

The information from short tandem repeats (STRs), the current standard forensic DNA typing technology, does not always result in identification. In these cases, there are other informative markers in DNA that can be used to help generate investigative leads, one of which is single nucleotide polymorphisms (SNPs). One of the uses of SNPs is for phenotype determination. Among the phenotypic characteristics that can be predicted is eye color. A commonly used tool for eye color prediction is the free, online statistical prediction model IrisPlex, which includes 6 SNPs known to control eye color.

While SNPs can be useful, they, like …

The Impact Of Leaf Litter Diversity On The Colonization Of Aquatic Insects, Daniel Edwards

Master's Theses

Ephemeral pools provide habitat to a wide diversity of aquatic insects which colonize pools to establish new populations in higher quality habitats. These pools rely on nutrient inputs from the surrounding terrestrial landscape, predominantly through leaf litter. Using mesocosms, we tested for the effect of leaf litter diversity (richness and functional diversity) on the colonization of aquatic insects. Leaf litter influences characteristics of a pool (tannins, water color, and nutrients) which may make them more or less desirable to potential colonizers. I added unique mixtures of leaf litter with different numbers of species (0, 3, 5, 7, and 9) and …

Lunar Applications Of Direct Contact Membrane Distillation For Regolith And Hydroponic Water Processing, Mark Wong

Master's Theses

Water management has always been a critical issue facing lunar missions, since its uses are as numerous as they are vital. Using ionic liquids has been proposed for the purpose of processing the metal oxides in lunar regolith into oxygen and metals. The process used dilutes the ionic liquid. Recycling the ionic liquid solution after regolith processing is essential to reduce materials required in resupply missions and to supply oxygen. Water will also be needed for lunar farms to both grow food and assist in maintaining a habitable atmosphere. The use of direct contact membrane distillation (DCMD) technology is a …

Nutritional Adequacy Of Dietary Intake Among College Students Who Follow A Vegetarian Diet As Compared To Non-Vegetarian Students, Kayanna L. Pulliman

Master's Theses

No abstract provided.

Digital Implementation Of An Incremental Quantity Directional Protective Relay Element And Its Applications Using An Automated Testing Procedure, Deven Hymel

Master's Theses

This thesis presents the design and analysis of a digital model of an incremental-quantity-based directional protective relay element using the electromagnetic transient program (EMTP). The digital model is based on a similar protective element present in commercially available time-domain-based relays and provides directional fault detection using incremental quantities. Such models are not readily available in transient study programs.

The element’s operating principles are discussed in detail, and the digital design process is outlined. The digital model is designed in a simplified test system, and upon validation using a real-world time-domain-based relay, its performance is analyzed using the model of a …

Incorporating Active Learning Into Breastfeeding Education And Lactation Management Training Of The Future Registered Dietitian Nutritionist, Madelyn Sesser

Master's Theses

Background: Breastfeeding has been shown to have multiple benefits for mother and child, yet rates of breastfeeding continue to stay insignificant. Infant nutrition is the base of future health of an individual, yet Registered Dietitians are not provided in depth breastfeeding education during their education.

Objective: The purpose of this study is to evaluate the active learning component of breastfeeding and lactation education modules meant to increase self-efficacy and confidence in the ability to perform lactation education and to obtain feedback regarding the usefulness of the developed education modules in graduate-level dietetic interns.

Design: This study was part of a …

Rattus Norvegicus As A Biological Detector Of Clandestine Remains And The Use Of Ultrasonic Vocalizations As A Locating Mechanism, Gabrielle M. Johnston

Master's Theses

In investigations, locating missing persons and clandestine remains are imperative. One way that first responder and police agencies can search for the remains is by using cadaver dogs as biological detectors. Cadaver dogs are typically used due to their olfactory sensitivity and ability to detect low concentrations of volatile organic compounds produced by biological remains. Cadaver dogs are typically chosen for their stamina, agility, and olfactory sensitivity. However, what is not taken into account often is the size of the animal and the expense of maintaining and training the animal. Cadaver dogs are typically large breeds that cannot fit in …

Trace Dna Detection Using Diamond Dye: A Recovery Technique To Yield More Dna, Leah Davis

Master's Theses

This study aspires to find a new screening approach to trace DNA recovery techniques to yield a higher quantity of trace DNA from larger items of evidence. It takes the path of visualizing trace DNA on items of evidence with potential DNA so analysts can swab a more localized area rather than attempting to recover trace DNA through the general swabbing technique currently used for trace DNA recovery. The first and second parts consisted of observing trace DNA interaction with Diamond Dye on porous and non-porous surfaces.

The third part involved applying the Diamond Dye solution by spraying it onto …

A Cross Sectional Comparison Of The Mental Health, Sleep, And Anaerobic Power Of Cannabis Users, Cannabidiol Users, And Non Users, Taylor Tamanaha

Master's Theses

The purpose of this study was to determine whether there are differences among groups of individuals who regularly use cannabis, cannabidiol (CBD), or who are non-users with respect to mental health, sleep, and anaerobic power measures. A total of 24 participants (21 males and 3 females) were recruited and placed into groups based on their regular cannabis/CBD or non-cannabis/CBD use. The cannabis user group was using cannabis at least three times per week for the past 8 weeks (CA; n=8), the CBD user group was using CBD at least three times per week for the past 8 weeks (CB; n=8), …

Exploring The Effect Of 8 Weeks Of Cannabidiol On Serum Brain-Derived Neurotrophic Factor, Seth T. Kofman

Master's Theses

Studies have shown that cannabidiol (CBD) consumption may lead to neuroprotective effects. Brain-derived neurotrophic factor (BDNF) is a circulating biomarker of neural health and studies exploring the effects of CBD on BDNF concentrations are limited. Purpose: The purpose of this study is to determine whether a longer-term CBD intervention would significantly change BDNF concentrations in human serum. Methods: This study used a double-blind placebo-controlled design where thirty-five healthy adult participants were randomly assigned into two groups. Participants were 25.94 ± 6.5 years of age with a body weight of 72.35 ± 13.89 kg and a body fat percentage of 22.61 …

A Meta-Analysis Of Implementation Planning: The Effects On Teachers’ Treatment Adherence And Quality When Implementing Behavioral Interventions, Taylor Ben

Master's Theses

The purpose of the current study was to systematically review the literature investigating the use of Implementation Planning (IP) as a consultation method to improve teacher’s treatment integrity when implementing behavioral interventions. IP consultation is hypothesized to improve treatment implementation adherence as well as the quality of implementation related to the chosen behavior intervention(s). A secondary hypothesis of this review was that cooccurring student behavior would improve as teachers’ level of treatment integrity improved. An initial literature search produced 48 articles from which four studies met the inclusion criteria. Thus, all included studies were single case designs, used IP as …

An Update On The Abbreviated Math Anxiety Scale: Current Evidence Of Reliability, Edward Worden

Master's Theses

The psychometric properties of the Abbreviated Math Anxiety Scale (AMAS) are often reassessed not using the population for which it was developed. While the scale was initially created for US undergraduate students, research has focused on testing the reliability of the AMAS within other populations, often modifying and translating them for use with children or speakers of other languages. The “replication crisis” calls into question the reliability and reproducibility of findings from many disciplines, including the social sciences, so in order for researchers to have a high degree of confidence in their data and results, measurement tools must be periodically …

Arts-Integrated Teaching Of English Literature: Using Dance Making Methods To Enhance High School Student Comprehension Of Short Stories And Self-Confidence In Reading Skills, Ashley Carney

Master's Theses

The purpose of this study was to investigate the benefit of utilizing creative dance making methods in the study of literature at the high school level. The researcher developed the following essential questions to investigate how dance making impacts student performance on comprehension questions as well as what impact this has on student confidence and self-efficacy:

Q1 What effect does the use of dance making methods have on student comprehension of short stories?

Q2 What effect does increasing the amount of dance creation time have on student comprehension of short stories?

Q3 What effect does the choreographic process have on …

Analyzing Grassland Bird Song And Success: The Impact Of Landscape Characteristics On Western Meadowlarks (Sturnella Neglecta), Leah Crenshaw

Master's Theses

Grassland birds across both North America and globally are in rapid decline, and these population losses are primarily due to agricultural practices driving land-conversion and habitat degradation. While the effects of landscape characteristics like land cover, fragmentation, anthropogenic features, and land use on bird abundance and diversity are well-studied, the mechanisms behind those effects are poorly understood for many species. In our studies, we considered how individual condition and behavior may be underpinning some population losses in Western Meadowlarks (Sturnella neglecta). First, we investigated what natural, anthropogenic, and climatic landscape characteristics best predicted Western Meadowlark song structure. We used 421 …

Student Reasonings And Cognitive Biases In Climate Change Predictions, Kaela Clabaugh Howell

Master's Theses

Undergraduate biology educators strive to understand how to best teach students the concepts of climate change. The root of this understanding is the establishment of what students know about climate change. This research aims to describe undergraduate biology students’ conceptions of climate change and their argument practices and associated cognitive biases in how they think about the topic. We used a basic qualitative research design to explore interview data from 26 American biology undergraduate students who predicted how climate change would affect a forested ecosystem after an average of one degree increase in Fahrenheit over 25 years. Overall, the majority …

Negotiating National Identity: A Study Of Nationalist Rhetoric During The British Voluntary Recruiting Movement, 1914-1916, Emily Cloys

Master's Theses

Within weeks of the outbreak of World War I, the British Army faced a critical demand for more soldiers to replenish its casualties and to compete with the mass conscript armies of the Central Powers. Hesitant to break from its tradition of non-conscription, the British government relied on a period of voluntary recruitment from 1914 to 1916, resulting in the enlistment of nearly 2.5 million soldiers.

This thesis examines the period of British voluntary recruitment during World War I by exploring how conceptions of British national identity served as a technique of persuasion and as a catalyst for individual enlistment. …

Hydrothermal Fluid Transport Pathways Along Fractures And Veins At Brothers Volcano, Southern Kermadec Arc, Robert Atnip

Master's Theses

Hydrothermal fluid flow in fractures and veins is a key component in the mineralization of economic metals within calderas. But there are several methods by which fractures can form. Regional extension, episodic caldera collapse, and fluid overpressure all have the potential to create brittle features. Current studies focus on the formation of fractures and veins by these methods, but do not focus on the preferred movement of hydrothermal fluids through brittle features, nor which features are more dominant in active hydrothermal systems. This thesis introduces multiple studies to better understand which method of fracture creation dominates Brothers volcano. Data from …

Estimation Of Mortality Rates For The Gulf Menhaden Stock And Reference Point Implementation For The Fishery, Catherine Wilhelm

Master's Theses

The Gulf menhaden stock is the target of a large commercial fishery in the Gulf of Mexico. To address the needs of both the stock and fishery, I performed two studies. I first addressed the natural mortality rates currently used in the Gulf menhaden stock assessment. To update these rates, I used data from a tagging study conducted from 1970 to 1988. Adult and juvenile menhaden were tagged, released, and recovered in fish processing plants. To evaluate the data, I built a Bayesian model using the negative binomial distribution to estimate natural mortality, catchability, and the overdispersion factor parameters. I …

Disruption Of Play Behavior Influences Development Of Caution In Juvenile Ground Squirrels, William Ryan

Master's Theses

Play behavior is ubiquitous among young mammals and has a variety of important influences on early development. I evaluated possible influences of social play behavior on the development of temperament in juvenile Belding’s ground squirrels (Urocitellus beldingi), using the caution/boldness spectrum as a measure of temperament. I disrupted the play behavior of juvenile U. beldingi by walking toward juveniles at play until the play interactions stopped. I used undisrupted juveniles and juveniles whose non-play behavior was disrupted at regular intervals as controls. Caution was measured with behavioral tests during which a human intruder walked toward a squirrel and recorded the …

Brazilian Camming: The Monetization Of Intimacy In Online Sex Work, Fernanda Veiverberg

Master's Theses

This thesis addresses a form of online feminized labor in Brazil, which employs digital technology to relieve the urges for intimacy and monetary insecurity. Camming is a genre of online sex work, in which cam models sell their body image and attention online through computer-mediated interactions. It constitutes a profitable activity that employs body performance without physical contact between model and client, typical in most categories of sex work such as prostitution, and where the clients are not mere spectators as within the pornography industry because camming requires authenticity and communication. For that, I explored three conceptual spheres that combined …

The Role Of Emotion Regulation And Alexithymia In The Relationship Between Sleep And Social Functioning, Lillian A. Hammer

Master's Theses

Poor sleep quality has been tied to worse social functioning outcomes, including greater loneliness, fewer social interactions, and lower social integration. While the relationship between sleep quality and social functioning has been investigated, other factors likely play a role in this complex relationship. Specifically, alexithymia and the use of different emotion regulation strategies may serve as moderators in the relationship between sleep and social functioning. Alexithymia and emotion regulation strategies are both related to sleep quality and social functioning. Yet, the impact of these emotional processes on the relationship between sleep and social functioning remains unexplored. Data for this study …

Antimicrobial Edible Coating Composed Of Chitosan Polyvinyl Alcohol And Zinc-Coated Halloysite Nanotubes, Sindhu Datla

Master's Theses

Changes in everyday activities like food packaging are required due to the global shift from a linear to a circular economy. Therefore, industrial, and institutional research centers are interested in using biodegradable materials like polyvinyl alcohol and natural raw materials like chitosan to develop novel food packaging films. Edible coating materials have been extensively researched to extend the shelf life of fruits and vegetables and reduce the risk of ingesting chemical reagents. Chitosan (CH) is widely used as a natural preservative for fruits and vegetables, but its poor mechanical, and water resistance limits its use. To improve the properties of …

Shelfaware: Accelerating Collaborative Awareness With Shelf Crdt, John C. Waidhofer

Master's Theses

Collaboration has become a key feature of modern software, allowing teams to work together effectively in real-time while in different locations. In order for a user to communicate their intention to several distributed peers, computing devices must exchange high-frequency updates with transient metadata like mouse position, text range highlights, and temporary comments. Current peer-to-peer awareness solutions have high time and space complexity due to the ever-expanding logs that each client must maintain in order to ensure robust collaboration in eventually consistent environments. This paper proposes an awareness Conflict-Free Replicated Data Type (CRDT) library that provides the tooling to support an …

Efficacy Of Biofungicides And Their Application Timing In Managing Botrytis Bunch Rot Of Wine Grape, Marco A. Fernandez

Master's Theses

Botrytis bunch rot (BBR), caused by Botrytis cinerea, leads to a severe reduction of quality and yield in wine grapes (Vitis vinifera). A field study to determine the best BBR management strategy was conducted in 2021 and 2022 in Santa Maria, CA using ‘Chardonnay’, a BBR susceptible wine grape cultivar. Three biofungicides were evaluated: Actinovate® AG, Regalia®, and Serenade® ASO. The efficacy of these three biofungicides was compared with fungicide programs composed of commonly used synthetic fungicide(s) or combinations of commonly used synthetic and biofungicides. For each biofungicide, three application timings were evaluated: 7-day interval, 14-day interval, and by an …

Heat Flux Dynamics And Seasonal Variability In Morro Bay, California, Mikaela Romanini

Master's Theses

There is a growing need to better understand the dynamics of small and medium Mediterranean low-inflow estuaries (LIEs), which is addressed here by characterizing a heat budget and associated heat transfer processes. A one-dimensional deterministic model was developed from the advection-diffusion equation and applied to Morro Bay, CA using 15-minute water property (temperature, salinity, pressure) and meteorological (wind speed and direction, air temperature, relative humidity, air pressure, irradiance) data collected over a two-year period (2020 – 2021). Seasonal variability is observed in meteorological components, water temperature, and salinity. There is strong seasonal variability in head-mouth temperature and salinity differences. Temperature …

Beginnings Of The Nuevo South: Mexican Migration In 1970s And 1980s Mississippi, Isabel Loya

Master's Theses

Mexicans and Mexican Americans have been present in Mississippi since the early twentieth century with a large increase in the 1970s. The majority of the scholarship surrounding Mexican migration focuses on the 1990s leaving a historiographical gap concerning this earlier period of significant population growth. This thesis argues that Mexican migrants during the 1970s and 1980s were uniquely affected by Mississippi’s racial climate due to their ambiguous status in a Black and white society, where they fit in neither category. The examination of tactics by businesses, like B.C. Rogers Poultry plant, show the impact recruitment had on migrants’ living conditions …

I Was Looking For God: A Study Of Wehrmacht Personnel And Their Personal Relationships With Religion, Christopher Bishop

Master's Theses

The Wehrmacht was Germany’s fighting force in the field during World War II. Its brutality and discriminatory practices rivaled that of the Nazi paramilitary and police units dispatched alongside them in newly conquered areas during this conflict. Coming from a society that was not at all unfamiliar with Christianity, some within the Wehrmacht related to Christianity in some form and attempted to use it to either justify actions or make sense of the world around them.

While considerable scholarship exists on the Nazi Party’s relationship to Christianity as a convenient propaganda tool for both soldier and civilian alike, the historiography …

The Implications Of Sexual Assault Awareness On Sexual Overperception Bias, Zach Buckner

Master's Theses

Heterogeneity has recently emerged in research investigating men’s overperceptions of women’s sexual receptivity, namely that such overperceptions are less robust than previously considered. Various social movements (e.g., #MeToo) could be a modern-day contextual factor that has reduced men’s tendency toward overperception. In this study, participants viewed hypothetical information regarding sexual assault perpetration committed by men or women (or control information) before rating opposite-sex targets on perceived sexual interest in them and reporting individual differences in just and dangerous world. The results indicate that individuals who hold stronger beliefs in an unjust world are more sensitive to perceived threats from potential …

Modeling Daily Fantasy Basketball, Martin Jiang

Master's Theses

Daily fantasy basketball presents interesting problems to researchers due to the extensive amounts of data that needs to be explored when trying to predict player performance. A large amount of this data can be noisy due to the variance within the sport of basketball. Because of this, a high degree of skill is required to consistently win in daily fantasy basketball contests. On any given day, users are challenged to predict how players will perform and create a lineup of the eight best players under fixed salary and positional requirements. In this thesis, we present a tool to assist daily …

Psf Sampling In Fluorescence Image Deconvolution, Eric A. Inman

Master's Theses

All microscope imaging is largely affected by inherent resolution limitations because of out-of-focus light and diffraction effects. The traditional approach to restoring the image resolution is to use a deconvolution algorithm to “invert” the effect of convolving the volume with the point spread function. However, these algorithms fall short in several areas such as noise amplification and stopping criterion. In this paper, we try to reconstruct an explicit volumetric representation of the fluorescence density in the sample and fit a neural network to the target z-stack to properly minimize a reconstruction cost function for an optimal result. Additionally, we do …