Digital Commons Network^™

Assessing The Impact Of Internal Flow Dynamics On Detection Region Concentrations Of Low-Cost Optical Particle Counters, Livingstone Quarshie

Theses and Dissertations

Particulate matter (PM) poses significant risks to human health and the environment, making accurate measurement essential for exposure assessment and regulatory decisions. While traditional reference methods provide reliable data, they are often bulky, expensive, and difficult to maintain. Optical Particle Counters (OPCs) offer a cost-effective alternative, commonly used in clean rooms, residential spaces, and personal exposure monitoring. These devices rely on light scattering to measure PM concentrations. However, low cost OPCs face challenges related to calibration and measurement accuracy, requiring careful performance evaluation. This study used computational fluid dynamics (CFD) tools, CONVERGE Studio and ANSYS Fluent, to simulate a simplified …

One Size Does Not Fit All: Creating Educational Equity For Later Diagnosed Autistic Women, Naomi Julian

Undergraduate Honors Theses

Autism research focuses on the externalized behaviors usually associated with the male phenotype of autism with little representation of the internalized behaviors associated with the female phenotype of autism. Even more so, there is little research involving later diagnosed autistic women — especially women of color. Beyond this, non-white individuals have been marginalized within the sphere of education, and their marginalization is exacerbated by an autism diagnosis.

In the realm of schooling, the relationship between race, gender, and disability lacks investigation. In this exploratory study, I draw upon qualitative data from interviews of 17 racially diverse autistic women ages ranging …

The Missionary Voice: Perceptions Of An Emerging Register, Josh Stevenson, Joseph A. Stanley, Wendy Baker-Smemoe

Faculty Publications

Today’s presentation is on a particular way of speaking among certain members of the Church of Jesus Christ of Latter-day Saints. Specifically, today I’ll be telling you about Latter-day Saint missionaries, who you may encountered before. Let’s set aside any preconceived notions you may have about missionaries or their faith and explore what appears to be an emerging missionary-based register.

In essence, missionaries are Latter-day Saint volunteers who dedicate 18 months to two years to tell others about their faith. They’re assigned around the world and often have to learn a new language, are typically college-aged, and adhere to strict …

Full Issue - Leadership

Journal of Nonprofit Innovation

“Leadership is all about changing the order of things. Machiavelli said, ‘There is nothing so difficult or so dangerous as to undertake to change the order of things.’ And that is true. It is difficult, and it is sometimes dangerous, because people resist and people are afraid. And that is why only leaders can drive change.”

“Management is the production of acceptable results within known constraints and conditions; very important. But management is not leadership.” https://ecorner.stanford.edu/videos/the-difference-between-management-and-leadership/,

Taken From Carly Fiorina, Former CEO, HP, Speech from Stanford eCorner

Nonprofit Leadership Articles (All)

Journal of Nonprofit Innovation

No abstract provided.

Full Issue

The Bridge

No abstract provided.

Language Shift And Maintenance Among Danish Immigrants In The Us, Karoline Kühl

The Bridge

The destination of most participants in the mass emigration from Denmark around the turn of the twentieth century was North America. In total about 400,000 to 450,000 Danes immigrated to the United States between 1820 and 2000, the majority between 1880 and 1920 (Grøngaard Jeppesen 2005, 265ff., 323). Danish immigration to the United States was, generally speaking, a story of socioeconomic success due to rapid assimilation based on both sociodemographic factors and attitudes. Between 1870 and 1940, when most Danish immigrants settled in the United States, the group included, to a larger degree than most other European groups, young, unmarried …

Phenological Patterns In The Desert Spring Ephemeral Astragalus Holmgreniorum Barneby (Fabaceae), Kody R. Rominger, Susan E. Meyer, Renee Van Buren, Allyson B. Searle

Western North American Naturalist

Herbaceous perennial species may exhibit winter or summer dormancy, or they may be spring ephemerals with dormancy extending from summer through winter. Herbaceous perennials, and spring ephemerals in particular, are most common in strongly seasonal but relatively mesic temperate environments. Warm deserts are typically dominated by shrubs and annuals that are better adapted to withstand or avoid severe summer heat. Astragalus holmgreniorum Barneby (Fabaceae) is a perennial spring ephemeral that has a restricted distribution at the northeastern edge of the Mojave Desert. We explored factors that regulate its phenological development in an observational study at 2 sites over 2 growing …

The Fayoum, The Seila Pyramid, Fag El-Gamous And Its Nearby Cities: A Background, Kerry Muhlestein, Cannon Fairbairn, Ronald Harris

Faculty Publications

Because the excavations discussed in this volume take place in the Fayoum, and cover a time period that spans from the Old Kingdom through the Byzantine era, many readers will find it helpful to understand the history, geography, and geology of the Fayoum. Here we provide a brief outline of those subjects. This is not intended to present new information or be a definitive discussion. Rather, it is aimed at contextualizing the rest of the material presented in this volume, and thus making all of its information more accessible. The Fag el-Gamous cemetery and the Seila Pyramid are located on …

Demographic Study On 4,038 Sexual Assault Victims: Identifying Vulnerabilities And Vulnerable Populations With Extralegal Variables, Michael Atkerson Worthington

Theses and Dissertations

Sexual assault (SA) is an ongoing concern in the United States (US). With a rate above the national average, SA is especially a concern in the Western state in which this study was conducted. Identifying victim vulnerabilities related to SA is an area of research that is currently limited. In this retrospective study, data on victim vulnerabilities were collected from 4,038 standardized SA forensic medical examination forms. Descriptive statistical analyses were conducted to identify vulnerabilities and Pearson's chi-square tests of association were conducted to explore the relationships between extralegal variables. The extralegal variables represent data not contained within the scope …

Equipping Tomorrow's Historical Ecologist: Priorities For Documenting Conditions Of The Terrestrial Fauna Of Santa Cruz Island, California, Christina L. Boser, T. Scott Sillett, Paul W. Collins, Kathryn R. Faulkner, W. Chris Funk, Cameron K. Ghalambor, Lyndal Laughrin, Gregory B. Pauly, Jeanne M. Robertson, Robyn Shea, Winston Vickers

Western North American Naturalist

Historical ecological research provides valuable insights for contemporary conservation management. Gaps in historical records, however, can limit the utility of that research. Future conservationists may therefore find themselves disadvantaged by the current societal trend of underinvestment in systematic collection of museum specimens and natural history information. To reduce that risk, we asked what managers and scientists could do today to better document the past and present conditions of Santa Cruz Island, California, as a means to improve both contemporary and future conservation. We focused our inquiry on the island’s terrestrial fauna, which includes numerous taxa of conservation concern. Here we …

Time Of Monitoring Influences Detectability And Demographic Estimates Of The Threatened Perennial Spalding's Catchfly (Silene Spaldingii S. Watson), Janice L. Hill, Edward O. Garton

Western North American Naturalist

The Threatened plant Spalding’s catchfly (Silene spaldingii S.Watson) is known to exhibit prolonged dormancy in which individuals survive belowground for one or more years; detection of all aboveground plants is essential for accurate estimates of prolonged dormancy. We conducted 2 long-term demographic studies of Spalding’s catchfly in west central Idaho (2002–2013), following 947 plants in permanent plots for 10 consecutive years. To detect all plants emerging aboveground, we monitored twice each growing season—soon after emergence and at flowering—and searched closely for small, inconspicuous stages. Demographic estimates were based on stage-based transition matrix and mark–recapture analyses. Over 99% of aboveground …

A Little About My Father, Peter D. Thomsen, Kathy Thomsen

The Bridge

Peter D. Thomsen (1922 - 2015) was one of eighty-two students at Grand View College (GVC) in 1940. The students came from Danish immigrant communities all over the United States, including Chicago, Illinois; Seattle, Washington; Los Angeles, California; Kimballton, Iowa; Tyler, and Askov, Minnesota; Racine, Wisconsin; and in my father’s case, Marinette, Michigan and Menominee, Wisconsin. He was a first generation American; his parents had immigrated to the United States from Langeland, Denmark shortly before he was born. His experiences in Danish Lutheran church communities around the country reflect many of the changes that came about as Danish Americans integrated …

Population Structure, Genetic Diversity, Geographic Distribution, And Morphology Of Two Boechera (Brassicaceae) Parental Species (Boechera Thompsonii And Boechera Formosa) And Of Their Resultant Hybrid Boechera Duchesnensis, Christina Elizabeth Fox Call

Theses and Dissertations

Background: Over the relatively short period of its evolutionary history, Boechera (Brassicaceae) has undergone rapid radiation that has produced 70+ morphologically distinct, sexual diploids. However, reproductive isolation has moved more slowly than morphological divergence in this group and the diploids appear to hybridize frequently where they coexist. Boechera duchesnensis appears to be the result of hybridization between its putative parents Boechera thompsonii and Boechera formosa. Objectives: The objectives of this study are to (i) analyze and document genetic diversity patterns in the population structure, - including allelic and heterozygosity frequencies - of B. thompsonii and B. formosa …

Landscapes Of Interaction: Understanding Social Landscapes Through Quantitative Models Of Artifact Distributions, James R. Allison

Faculty Publications

Exchange of material goods is one of the most basic forms of human interactions. By tracing the distribution of ceramics, stone tools, and other materials archaeologists are often able to make inferences about the nature of interactions, and about the economic and social relationships of the people involved. These artefact distributions are a fundamental feature of social landscapes, with the potential to reveal much about the structure of social life. But artefact distributions are often complex and difficult to describe, especially at large spatial scales, and they often require some form of abstraction to make them comprehensible. Archaeologists have therefore …

Run, Jane, Run! Gendered Responses To Political Party Recruitment, Jessica Robinson Preece, Olga B. Stoddard, Rachel Fisher

Faculty Publications

Many researchers point to gender inequities in party recruitment practices to explain women’s underrepresentation on the ballot. However, there has been little systematic research about how men and women respond to recruitment, so we do not know whether gender-balanced recruitment would actually lead to genderbalanced outcomes. We conduct two studies to address this question. First, in cooperation with a county Republican Party, we identically recruited 5510 male and 5506 female highly active party members to attend a free candidate training seminar. Republican women were half as likely to respond to the invitation as men. Second, we conducted a survey experiment …

Repeated Trait Evolution Driven By Divergent Natural Selection At Early And Late Stages Of Speciation, Spencer J. Ingley

Theses and Dissertations

Speciation – the process by which new species arise – is of fundamental importance in the biological sciences. The means by which new species arise, and the relationship among living species, has been a topic that has captivated both lay and scientific observers for centuries. In recent years, the study of speciation has enjoyed increased attention, resulting in significant advances in our understanding of how species form. Although our understanding of the processes that contribute to speciation has increased dramatically in recent years, our knowledge of how reproductive barriers accumulate as speciation proceeds is still limited. Thus, studies that evaluate …

Hispanics At The Starting Line: Poverty Among Newborn Infants In Established Gateways And New Destinations, Daniel T. Lichter, Scott R. Sanders, Kenneth M. Johnson

Faculty Publications

High rates of Hispanic fertility raise an important question: Do Hispanic newborn babies start life's race behind the starting line, poor and disadvantaged? To address this question, we link the newborn infants identified with the new fertility question in the 2006–2010 American Community Survey (ACS) to the poverty status of mothers. Our results document the disproportionately large share (40 percent) of Hispanic babies who are born into poverty. The prospect of poverty is especially high in new Hispanic destinations, especially those in rural areas. For Hispanic newborn babies, poverty cannot be reduced to supply-side explanations that emphasize maladaptive behavioral decision-making …

Growth Of The Church Of Jesus Christ Of Latter-Day Saints In A Global Context, Ray M. Merrill, Arielle A. Sloan, Brittanie A. Steele

Religious Educator: Perspectives on the Restored Gospel

No abstract provided.

Reproduction And Pollination Of The Endangered Dwarf Bear-Poppy Arctomecon Humilis (Papaveraceae) Across A Quarter Century: Unraveling Of A Pollination Web?, Vincent J. Tepedino, John Mull, Terry L. Griswold, Gerald Bryant

Western North American Naturalist

Arctomecon humilis, a rare gypsophile of the extreme northeastern Mojave Desert, is restricted to a few isolated populations (occurrences) in Washington Co, Utah (USA). At several points in the past quarter century, we have studied the breeding system and reproductive success of this endangered species, recorded its pollinators and tested the feasibility of human-assisted gene flow by conducting reciprocal crosses between two isolated occurrences approximately 4 km apart. We found A. humilis to possess a mixed breeding system in the occurrence studied (Beehive Dome in 1988); some plants exhibited self-compatibility but fruit/flowers and seeds/fruit were significantly lower in pollinator-effected …

Demographic Monitoring And Population Viability Analysis Of Two Rare Beardtongues From The Uinta Basin, Rebecca M. Mccaffery, Rita Reisor, Kathryn Irvine, Jessi Brunson

Western North American Naturalist

Energy development, in combination with other environmental stressors, poses a persistent threat to rare species endemic to the energy-producing regions of the Western United States. Demographic analyses of monitored populations can provide key information on the natural dynamics of threatened plant and animal populations, and how they might be affected by ongoing and future development. In the Uinta Basin in Utah and Colorado, Graham’s beardtongue (Penstemon grahamii) and White River beardtongue (Penstemon scariosus var. albifluvis) are two rare endemic wildflowers that persist on oil shale habitats heavily impacted by current energy exploration and development, and slated …

Ecology, Phylogenetics, And Conservation Of Draba Asterophora Complex: A Rare, Alpine, Endemic From Lake Tahoe, Usa, Emily Ruth Smith Putnam

Theses and Dissertations

Rare, alpine, endemic species are particularly at risk for extinction. Alpine environments are especially vulnerable to climate change and human impacts, such as ski resort development and snowmaking. Draba asterophora Payson is a rare, alpine species that occurs only in three disjunct mountain-top regions surrounding Lake Tahoe. It is currently threatened by human impacts, such as ski resorts, as well as indirect influences of climate change and therefore in need of better understanding for conservation purposes. Draba asterophora may be able to serve as a case study for other similarly vulnerable, rare, alpine, endemic species with conservation needs. We utilized …

Emergency Department Demographic Study, Jennifer K. Taylor, Russ Wilshaw, Rn, Ms, Cen

Journal of Undergraduate Research

Emergency Departments provide health care to individuals twenty-four hours a day. To better meet the needs of consumers it is necessary to understand the main population groups utilizing emergency departments. This can be accomplished through demographic studies of various emergency departments. The research project I was involved with studied the clients of American Fork Emergency Room in Utah.

Schooltipline: Online Incident Reporting, Maren Dennis, Dr. Betty Ashbaker

Journal of Undergraduate Research

SchoolTipline.com is a website where students can report issues of school violence, drugs, or other problems to administrators. This service provides students, parents, and administrators with a two-way communication system that aids in reporting and dealing with school safety issues. Students can access School Tipline 24/7 and anonymously report any problems they see or experience at school directly to school administrators. After receiving the report, administrators can respond to student reports and take preventative action to effectively help students and create a safe school environment.

Demographic Limits Of Nineteenth-Century Mormon Polygyny, Val Lambson, Davis Bitton

BYU Studies

What percentage of nineteenth-century Mormons practiced polygyny? Estimates of the answer have evolved as have the methods of posing the question. The authors use a simple demographic model to derive mathematical limits on polygyny prevalence. These limits provide benchmarks from which to assess whether polygyny prevalence in a given context is high or low compared to what is sustainable. If prevalence is high, the model may suggest where to look for reasons. Furthermore, where data are of low quality, the benchmarks provide a check on the reliability of the reported prevalence.

Many factors—such as differences in marriageable age, mortality, population …

Full Issue, Byu Studies

BYU Studies

No abstract provided.

Ecology And Population Dynamics Of Sclerocactus Mesae-Verdae (Boissev. & C. Davidson) L.D. Benson, Janet J. Coles, Karin L. Decker, Tamara S. Naumann

Western North American Naturalist

The population dynamics of Sclerocactus mesae-verdae were documented annually in 3 plots over 20 years in southwestern Colorado. Demographic studies of this duration are rare but they are necessary to gain a more accurate estimate of population trends in long-lived desert species. Sclerocactus mesae-verdae was federally listed as threatened in 1979; this study was initiated in 1986 with the objective of determining whether Colorado populations were growing, declining, or stable. Data collected yearly around 1 May included diameter, vigor, and flower/fruit counts for 1629 stems belonging to 659 plants. We used regression analysis to estimate the mean, variance, and average …

The Influence Of The Roman Atrium-House's Architecture And Use Of Space In Engendering The Power And Independence Of The Materfamilias, Anne Elizabeth Stott

Theses and Dissertations

Architecture has a remarkable capacity to not only reflect social patterns and behaviors but to engender public image and identity. Therefore, it has proven to be a viable source for understanding the lives of ancient people. In fact, many scholars have established a connection between the atrium-house's design and the power and social identity of the paterfamilias, or male head of household. However, little has been said about what these same architectural features mean in relation to his female counterpart, the materfamilias. Therefore, this paper argues that the architecture of the atrium-house likewise engendered a sense of power …

Seed Bank Dynamics And Habitat Indicators Of Arctomecon Californica, A Rare Plant In A Fragmented Desert Environment, Laura Megill, Lawrence R. Walker, Cheryl Vanier, Debra Johnson

Western North American Naturalist

Protection of endangered desert plant species is frequently complicated by a lack of information about seeds, the most stress-resistant and populous life stage. We studied the relative locations of seeds and plants of a rare endangered herbaceous perennial, the Las Vegas bearpoppy (Arctomecon californica) in seven 1-ha sites randomly located within a 100-ha study area that was slated for development in Las Vegas, Nevada. We also measured the physical and biological attributes of the environment supporting the seeds and plants, including soil hardness, rock cover, cryptogamic crust cover, and associated vegetation.

Arctomecon californica seed density was 0.651 seeds …

Reproductive Success And Soil Seed Bank Characteristics Of Astragalus Ampullarioides And A. Holmgreniorum (Fabaceae): Two Rare Endemics Of Southwestern Utah, Allyson B. Searle

Theses and Dissertations

Astragalus ampullarioides and A. holmgreniorum are two rare endemics of southwestern Utah. Over two consecutive field seasons (2009-2010) we examined pre-emergent reproductive success, based on F/F and S/O ratios, from populations of both Astragalus ampullarioides and A. holmgreniorum, estimated the density of the soil seed bank of A. holmgreniorum as a measure of potential post-emergent reproductive success, and estimated seed persistence within the soil seed bank. Fruit/flower (F/F) ratios and seed/ovule (S/O) ratios varied significantly between populations and among years in both species, and showed low reproductive output in both taxa. In Astragalus ampullarioides F/F and S/O were 0.06±0.01 …