Digital Commons Network^™

A Database For Estimating Organ Dose For Chest And Head Ct Scans For Arbitrary Spectra And Angular Tube Current Modulation, Franco Rupcich, Andreu Badal, Iacovos Kyprianou, Taly Gilat Schmidt

Biomedical Engineering Faculty Research and Publications

Purpose: The purpose of this study was to develop a database for estimating organ dose in a voxelized patient model for coronary angiography and brain perfusion CT acquisitions with any spectra and angular tube current modulation setting. The database enables organ dose estimation for existing and novel acquisition techniques without requiring Monte Carlo simulations. Methods: The study simulated transport of monoenergetic photons between 5 and 150 keV for 1000 projections over 360◦ through anthropomorphic voxelized female chest and head (0◦ and 30◦ tilt) phantoms and standard head and body CTDI dosimetry cylinders. The simulations resulted in tables of normalized dose …

Multi-Disciplinary Hands-On Desktop Learning Modules And Modern Pedagogies, Bernard J. Van Wie, David B. Thiessen, Marc Compere, Ximena Toro, Jennifer C. Adam, Et Al.

Publications

Our team’s research focuses on fundamental problems in undergraduate education in terms of how to expand use of well researched, yet still “new”, teaching pedagogies of ‘sensing’ or ‘hands-on’, ‘active’ and ‘problem-based learning’ within engineering courses. It is now widely accepted that traditional lectures ARE NOT best for students – yet that is what the community almost universally does.

To address this issue we are developing new Desktop Learning Modules (DLMs) that contain miniaturized processes with a uniquely expandable electronic system to contend with known sensor systems/removable cartridges, as well as, unknown expansions to the project. We have shown that …

A Study Of The Processes Involved In Sexual Battery Investigations, Kelly S. Boone

Abraham S. Fischler College of Education ETD Archive

This applied dissertation was designed to identify the common and unique processes employed during investigations of sexual battery. While departmental policies and state statutes provide guidance on the processes to be used in sexual battery investigations, there is a great deal of variability in the combination of processes that can be employed to investigate these cases. There is also some degree of variability in the outcomes associated with these investigations. This study examined the processes employed during sexual battery investigations in an effort to identify common themes. Importantly, the study identified the variation in cases that are genuine versus unfounded, …

Program Evaluation Of A Dropout-Prevention Academy, Kendra W. Harvin Green

Abraham S. Fischler College of Education ETD Archive

This applied dissertation study evaluated a dropout-prevention program in a South Carolina school district. The dropout problem was identified by school and district administrators and discussed at county board meetings among community members, faculty, and parents of children attending school in the district. A dropout-prevention program was implemented 3 years prior but, had never been evaluated.

The purpose of this study was to evaluate the Dropout-Prevention Academy program. The study determined how the program design matched effective dropout-prevention programs described in the literature; stakeholders’ (e.g., teachers, administrators, and parents) perceptions of the program; and any changes that occurred in student …

Applying Peer Modeling In Inclusion Classrooms: A Study On Educators’ Perception, Rossana I. Chiarella

Abraham S. Fischler College of Education ETD Archive

This study evaluated the effects of educators’ perception on the application of peer modeling strategies in the classrooms. Without teachers’ positive attitude towards peer modeling, it was difficult to apply these strategies effectively. Teachers’ attitudes were determined by their existing perceptions, whereas different perceptions resulted in different dispositions to act and different outcomes. The purpose was to determine how teachers in a school located in south Florida applied peer modeling, and how their perceptions over it played an important role. The researcher attempted to evaluate the importance of peer-model strategies and to demonstrate the true benefit of their proper application …

Generational Differences In Work Ethic: A Study Of Four Generations In The Workplace, Kathleen J. Barlow

Abraham S. Fischler College of Education ETD Archive

This purpose of this study was to examine the degree to which differences in work ethic existed among four generations and two genders in the workplace. Data from four subsets of the Multidimensional Work Ethic Profile (MWEP) were examined (delay of gratification, hard work, morality/ethics, and self-reliance). Popular press has raised awareness of differences in work ethic between generations; however, scholars have disagreed about whether generational differences existed in the workplace. The writer used archival data to examine the work ethic of four generations of workers.

Two research questions guided this study:

1. What differences in work ethic, if any, …

Exploring The Impact Of Digital Publishing: A Case Study Involving Service-Learning Integrated With Technology, Bridget Ann Bonczyk

Abraham S. Fischler College of Education ETD Archive

The study explored the long-term academic effects on the educational progress for three students who participated in a technology driven service-learning program. The purpose of the study was to describe the long-term effects of the program on the students’ academic experiences and students’ sense of self-efficacy. The study examined whether or not the associated activities involved in the creation of digital books had an impact on the technology skills the students were presently learning.

The writer developed the child-centered service learning project entitled, RealeWriter and RealeLibrary ~ Leading English Language Learners to Learn and Serve in the spring of 2006. …

Can Professional Development Improve Teachers’ Perceptions About Inclusive Teaching In An Inner City School, Solomon Homidas

Abraham S. Fischler College of Education ETD Archive

This applied dissertation examined the question of whether professional development can improve teachers’ perceptions of inclusive teaching in an inner city school. The study drew upon survey methods to collect measurements of teachers' perceptions about inclusive teaching before and after professional development sessions. The hypothesis was that exposure to professional development would give teachers an improved impression of inclusive teaching, which in turn could make them more committed to the inclusive teaching paradigm. If the hypothesis was correct, the study would show that professional development should be considered an important component of developing teachers who work in inclusive settings, especially …

Educating Parents Concerning Age-Appropriate Practices In A Private School Setting, Joseph T. Picarella

Abraham S. Fischler College of Education ETD Archive

This dissertation was designed to increase parent awareness of age-appropriate practices in a Grade 2 private school setting. Grade 2 students were experiencing difficulty with transitioning from the home environment to the school environment. There was no program in place to help parents understand the problems with transition and age-appropriate activities to help their children.

The subjects involved in this study attended a series of workshops designed to increase their knowledge, comprehension, and approval of developmentally appropriate practices. Research-based information was shared during the workshops and communication was maintained between the researcher and participants in the study. Subjects observed teachers …

Optimization Of Conditions For Vitrification Of Aqueous Solutions Of Relevance To Cryobiology, Michael J. Baker

EWU Masters Thesis Collection

"Cryopreservation is a technology with wide ranging applications including helping to prevent specis extinction (Hopkins and Herr, 2010). However, the current applicability of cryopreservation protocols is limited. This limitation warranted experimentation that could contribute to the optimization of current protocols for cryopreservation. The experiments presented herein were designed to contribute to the plunge-cooling method of cryopreservation. The importance for further development of current plunge-cooling methods is for the cryopreservation of cell-types sensitive to the other method of cryopreservation, slow-equilibrium freezing. The purpose for plunge-cooling is to cool a sample from ambient temperature to liquid nitrogen temperature at a fast rate. …

Reassessing The Cultural Distance Between China And The United States As Perceived By Students From The Sino-American 1+2+1 Dual Degree Program, Cynthia Letts

EWU Masters Thesis Collection

"As a result of the exponential growth of international commerce and academic exchange between Mainland China and the United States, this thesis examines the present-day validity of those Chinese and American cultural characteristics, such as practices and values, historically understood as defining cultural differences. Using Babiker's Cultural Distance Index (Babiker, Cox, & Miller, 1980) questionnaire (an institutionally established instrument since 1980), 45 Mainland Chinese student-sojourners conveyed their perceptions of cultural differences found in daily living. Chinese participants identified many cultural attributes that still affect the migrant's perceptions of difference. These attributes are language, food, education costs, and leisure activities. Participants …

Using Problem-Based Learning To Foster Student Development, Shannon Chance

Research Outputs: 2025-Present

At the University of Michigan, professors Marshall, Shtein, and Daubmann (2011)have developed a “multidisciplinary hands-on think tank” (p. 1). Their SmartSurfaces course is offered to students majoring in engineering, art, and architecture as part of the university’s Multidisciplinary Learning Team Teaching Initiative (MLTT). The course provides insight into the efficacy of hands-on, Problem-Based Learning (PBL). A follow-up survey conducted by Bierwert, Olds, and Barber (2010) on behalf of the university’s Center for Research on Learningand Teaching (CRLT) revealed high levels of student learning through this course. Students reported developing strong skills related to critical thinking, oral communication, and creative thinking. …

Effects Of Activated Carbon Surface Chemistry Modification On The Adsorption Of Mercury From Aqueous Solution, Emily K. Faulconer

Publications

Mercury (Hg), a naturally occurring element, is toxic and can lead to negative health impacts for humans and ecosystems. Activated carbon adsorption is effective in treating Hg-laden aqueous effluent for safe discharge. Two modifications of commercially available activated carbon were investigated: iron impregnation to allow for magnetic sorbent recapture and wet chemical oxidation to enhance aqueous Hg capture. The modified carbons were characterized by nitrogen adsorption-desorption, XRD, pHpzc, vibrating sample magnetometry, elemental analysis, and total acidity titration. The 3:1 C:Fe magnetic powdered activated carbon (MPAC) retained a high surface area of 790 m2 /g and was 95% magnetically recoverable, with …

Climate Change At The Pleistocene-Holocene Boundary In The Pacific Northwest: A Comparison Of Proxy Datasets And The Archaeologicial Record, Tiffany J. Fulkerson

EWU Masters Thesis Collection

"The relationship between climate change at the Pleistocene-Holocene Boundary (ca. 12,600-10,200 cal B.P.) and cultural responses to attendant shifts in the environment remains a vexing issue for archaeologists. This study compiles and analyzes glacial, palynological, faunal, and stratigraphic/geomorphological proxy datasets for climate change in the Pacific Northwest of North America and compares them to the coeval archaeological record. The primary purpose of this exercise is to consider the potential ways in which climate change at the Pleistocene-Holocene Boundary affected cultural development for Late Paleoindian-Early Archaic peoples in the Pacific Northwest. Results indicate that climatic and environmental change at this interval …

An Assessment Of Antibiotic Resistant Bacteria In Biosolid Used As Garden Fertilizer, Gwendolyn Lenore Hartman

EWU Masters Thesis Collection

"Fertilizer grade biosolid is sold to the general public by the Cheney Wastewater Treatment Plant for use as garden fertilizer and as a soil conditioner. Moist biosolid samples were obtained from the Cheney Wastewater Treatment Plant and antibiotic resistant gram negative bacteria were isolated from it. Bacteria isolated from these samples were resistant to tetracycline, ampicillin, streptomycin, kanamycin and chloramphenicol. Tetracycline resistant bacteria were isolated on MacConkey's agar supplemented with tetracycline and their resistance to ampicillin, streptomycin, chloramphenicol and kanamycin were also determined. A total of 48 isolates cultivated to determine the presence of plasmids which often contain antibiotic resistance …

Physiological Response To Three Environmental Stressors Predicts Fitness And Genome Quality But Not Base Substitution Rate In Caenorhabditis Elegans, Jacob R. Andrew

EWU Masters Thesis Collection

"Since DNA mutations occur all the time and may have deleterious effects on fitness (survival and reproduction), organisms expend substantial metabolic resources to find and repair mutations. This metabolic expenditure is termed the cost of fidelity. If an organism is in "poor" condition and does not have enough metabolic resources, it may no longer be able to find and repair mutations (Agrawal 2002). In this thesis, we looked at whether physiological condition, measured as survival and development in the presence of an exogenous stress ('robustness'), correlated with mutation rate (experiments 1 and 2) or fitness (experiment 2). We measured physiological …

Space, History And Law: Rethinking Canadian Territorial Claims In The Arctic, Michael Graham

Dissertations and Theses @ UNI

The aim of this thesis is to assess the Canadian territorial claims in the Arctic in relation to the UNCLOS III, by linking this contemporary legal framework for managing change in the Arctic region with historical processes pertaining to the "use" of the Arctic space by the Canadian society. Canada has a long history of association with its Arctic territory and recent Russian claims over the rights to extract resources of the North Pole area have stirred new tensions around the region. The receding Arctic ice pack has opened up the possibility of the Northwest Passage becoming a viable trading …

Predicting Reflective Reactions To Rejection Using The Multimodal Model Of Rejection, Abigail Leigh Harris

Dissertations and Theses @ UNI

Following rejection, people experience both reflexive and reflective reactions. According to the multimodal model of rejection (Smart Richman & Leary, 2009), relational construals surrounding the rejection impact the subsequent reflective behavior. The purpose of this study is to predict the behavior following rejection based on the theoretical model. It is hypothesized that when partner "relationship value" is high, rejection will result in more pro-social behaviors, compared to when partner "relationship value" is low, in which rejection will result in more anti-social behaviors. Though belonging is a fundamental motivation, not all humans exhibit the same level of sensitivity as others. Therefore …

Ergonomics Evaluation Of Task Demands Among Kitchen Staff, Jaqueline Pereira Da Silva

Dissertations and Theses @ UNI

The purpose of this study was to evaluate the workplace demands faced by a group of kitchen staff at six dining centers and to survey musculoskeletal complaints among this sample of workers. The dining centers were located in six different public elementary and middle schools in a city in the south of Brazil. This research was developed following qualitative research design, and the researcher made use of the “Activity Oriented Ergonomics (AOE) methodology.

The AOE focuses on the work analysis that evaluates real work situations that allows a reassessment of work demands. In this case the chosen methodology was a …

Work-Family Conflict And The Pipeline To Power: Lessons From European Gender Quotas, Julie C. Suk

Articles

The article examines the persistent gender disparities at the top of the legal profession, attributing them to work-family conflict and the disproportionate impact of caregiving responsibilities on women. It explores European gender quotas as a potential solution, arguing that such measures address the legitimacy and effectiveness of institutions by ensuring gender parity in leadership positions. While acknowledging the challenges in implementing quotas in the U.S., the analysis suggests that European approaches offer valuable insights for addressing the "leaky pipeline" and advancing gender equality in the legal profession.

Learning Transfer Of Geospatial Technologies In Secondary Science And Mathematics Core Areas, Curtis P. Nielsen

Dissertations and Theses @ UNI

The purpose of this study was to investigate the transfer of geospatial technology knowledge and skill presented in a social sciences course context to other core areas of the curriculum. Specifically, this study explored the transfer of geospatial technology knowledge and skill to the STEM-related core areas of science and mathematics among ninth-grade students. Haskell's (2001) research on "levels of transfer" provided the theoretical framework for this study, which sought to demonstrate the experimental group's higher ability to transfer geospatial skills, higher mean assignment scores, higher post-test scores, higher geospatial skill application and deeper levels of transfer application than the …

Circulating And Organizational Testosterone And The Perception Of Dominance, Jon C. Pedersen

Dissertations and Theses @ UNI

This project focused on the relationship between both circulating testosterone (T), prenatal exposure to T, and perception of emotions in the faces of others. Based on past research, Twas hypothesized to be related to the Theory of Mind (ToM) abilities, which are concerned with reading emotions and intentions of others. More specifically, T was hypothesized to be more strongly related to the perception of dominant emotions compared to the perception of non-dominant emotions. To test this idea, the Test of the Eyes was used, which measures the ability to correctly perceive emotions in pictures of faces (specifically, eyes). To date, …

Exploring New Roles Of Classroom Teachers In Iowa Communities Experiencing Rapid Ethnic Diversification, Cindy R. Lewis

Dissertations and Theses @ UNI

Non-English speakers are currently the fastest growing population group in Iowa schools. Immigrant and refugee families are choosing in record numbers to make Iowa their home. Across the state, newcomers are added daily to classroom rosters, and teachers are challenged to meet the unique social, emotional, and educational needs of students.

The purpose of this qualitative study was to explore how selected teachers in classrooms across Iowa have responded personally and professionally to an evolving socio-political climate. The study examined how professional roles have been redefined and how teachers have responded to the changes. Three research questions guided this qualitative …

Factors That Female Higher Education Faculty In Select Science, Technology, Engineering, And Mathematics (Stem) Fields Perceive As Being Influential To Their Success And Persistence In Their Chosen Professions, Phyllis Bernice Opare

STEMPS Theses & Dissertations

The purpose of this study was to determine factors female higher education faculty in select science, technology, engineering, and mathematics (STEM) fields perceived as influential to their success and persistence in their chosen professions. Females are underrepresented in STEM professions including academia, despite the fact that female educational attainment in all fields have increased significantly.

Four research questions were used to guide this study and they are: 1) What personal factors affect females' ability to successfully persist in STEM faculty positions? 2) What social factors affect females' ability to successfully persist in STEM faculty positions? 3) What academic/institutional factors affect …

Coping Behaviour As An Adaptation To Stress: Post-Disturbance Preening In Colonial Seabirds, Shandelle M. Henson, Lynelle M. Weldon, James L. Hayward, Daniel Greene, Libby C. Megna, Maureen C. Serem

Faculty Publications

In humans, coping behaviour is an action taken to soothe oneself during or after a stressful or threatening situation. Some human behaviours with physiological functions also serve as coping behaviours, for example, comfort sucking in infants and comfort eating in adults. In birds, the behaviour of preening, which has important physiological functions, has been postulated to soothe individuals after stressful situations. We combine two existing modelling approaches – logistic regression and Darwinian dynamics – to explore theoretically how a behaviour with crucial physiological function might evolve into a coping behaviour. We apply the method to preening in colonial seabirds to …

Climate Change And Cercla Remedies: Adaptation Strategies For Contaminated Sediment Sites, Katrina Fischer Kuh

Hofstra Law Faculty Scholarship

The actual and projected manifestations of climate change, including sea level rise, stronger rainstorms, more severe storm events, inland storm surges, and associated flooding, pose a host of adaptation challenges. The effective management of hazardous waste sites under the new environmental conditions occasioned by climate change presents one such adaptation challenge, though this challenge is easily overlooked in the rush to protect highly visible and obviously vulnerable infrastructure and populations such as coastal communities. Many hazardous waste sites have been remediated, or are proposed to be remediated, relying in whole or in part on engineering and institutional controls meant to …

The Internationalization Of American Family Law, Barbara Stark

Hofstra Law Faculty Scholarship

Even fifty years ago, the United States was a superpower and Americans traveled for pleasure and worked abroad. Then, like now, the United States was a magnet for immigrants seeking freedom, or asylum, or opportunity. Then, like now, human relationships crossed geographical and political boundaries, challenging the limits of family law.

But globalization and the vast migrations of capital and labor that have accompanied it in recent decades have transformed family law in once unimaginable ways. Families have been torn apart and new families have been created. Borders have become more porous, allowing adoptees and mail order brides to join …

Recent Applications Of The Simple Hydrocarbon Cyclooctatetrene As A Starting Material For Complex Molecule Synthesis, Kevin W. Glaeske, William A. Donaldson

Chemistry Faculty Research and Publications

Cyclooctatetraene [COT], a simple non-aromatic cyclic polyene, is capable of undergoing a variety of oxidation and cycloaddition reactions to afford polycyclic structures. In addition, complexation of COT or the cycloaddition products with transition metals facilitates bond formation. Recent developments in the reactivity of COT and application to the synthesis of naturally occurring and non-naturally occurring compounds is reviewed.

Sexual Reorientation, Elizabeth M. Glazer

Hofstra Law Faculty Scholarship

There has been a recent shift in the political and legal treatment of bisexuals. Since Ruth Colker, Naomi Mezey, and Kenji Yoshino began writing about the phenomenon of bisexual erasure and the resulting invisibility of the bisexual from sexual-orientation law and the LGBT rights movement, something strange has happened. Bisexuality is suddenly hypervisible. And not just on Glee or in The Girl with the Dragon Tattoo. Or even in the 2010 national sex survey reporting that of the seven percent of the population identifying as non-heterosexual, forty percent of the men and a large majority of the women identified as …

The New Illegitimacy: Tying Parentage To Marital Status For Lesbian Co-Parents, Joanna L. Grossman

Hofstra Law Faculty Scholarship

This article takes a comprehensive look at recent case law under the PDA, while offering a critical commentary on the gender ideology that lies behind these decisions and charting the stakes for women in a reinvigorated Act. The survey of PDA decisions is an important undertaking in its own right, since it is not widely appreciated just how much courts have narrowed the PDA's protections. The PDA cases are an increasingly sorry lot, including cases like the recent Fourth Circuit ruling in Young v. UPS, in which the court held that a pregnant woman could lawfully be denied a …