Digital Commons Network^™

Microstructure And Mechanical Properties Of Silicon Carbide-Titanium Diboride Ceramic Composites, Derek Scott King

Masters Theses

"The microstructure, hardness, fracture toughness, Young's modulus, strength and Weibull modulus of silicon carbide-titanium diboride (SiC-TiB₂) ceramics were studied. First, SiC-TiB₂ ceramics with 15 vol.% TiB₂ particles were processed using two green processing methods, spray drying (ST) and ball milling (SiC-15TiB₂). In addition, SiC-TiB2 ceramics with TiB₂ contents ranging from 0 to 100 vol.% were produced to determine a TiB₂ content that produced the best combination of mechanical properties. From spray drying, segregation of the TiB₂ particles in ST led to a granule-like microstructure and spontaneous microcracking in the final ceramic. In ceramics containing 20 and 40 vol.% TiB₂, the …

Depth Profiling Of Pahs Treated With Activated Carbon Using In-Situ Spme, Ryan D. Stringer

Masters Theses

"Novel and efficient methods to measure the bioavailability of hydrophobic organic contaminants (HOCs) in contaminated sediments will play an important role in the acceptance of alternative sediment remediation strategies. In this project, solid phase microextraction (SPME) fibers, protected in perforated steel tubes, were used as in situ passive samplers to measure the treatment of activated carbon (AC) in polycyclic aromatic hydrocarbon (PAH) contaminated sediment. Contaminated sediment was treated with two modes of AC waterjet amendment. In the first treatment, a single 2-min injection was shot into the center of a test vessel and in the second treatment, multiple 7-sec injections …

Coaxial Cable Bragg Grating, Jie Huang

Masters Theses

"In order to ensure the continued safe and reliable operation of various civil structures, such as dams, bridges, and buildings, in situ strain monitoring is of great importance, especially for structures that may experience large strains. A new coaxial cable Bragg grating (CCBG) is developed as a strain sensor and the sensor's capacity for large range strain measurement is demonstrated for the first time. The sensor device is comprised of regularly spaced periodic discontinuities along a coaxial cable. The discontinuities are fabricated using a computer numerical controlled (CNC) machine to drill holes in the cable. Each discontinuity generates a weak …

Statistical And Predictive Modeling Of Automated Meter Reading System Outages, Prasad Prabhakar Shinde

Masters Theses

"An Automated Meter Reading (AMR) system is a metering technology that enables power utility companies to receive customers' energy usage data centrally over a communication network. The installed automated meters also provide a daily log of outage events for each customer. A utility company can greatly benefit by using this information for outage management and to improve reliability. However, outage data is frequently corrupted and the outage flags registered by the customers' meters do not necessarily reflect true outages. This thesis focuses on developing methods to analyze outage data and building a model to identify good data versus spurious indications. …

Self-Consolidating Concrete For Infrastructure Elements Shear Characteristics, Eric B. Sells

Masters Theses

"Because of its unique ability to maintain high flow-ability and remain homogeneous, self-consolidating concrete (SCC) has the potential to significantly reduce the costs associated with civil infrastructure; however, the use of higher paste and lower coarse aggregate volumes than non-SCC concretes raises concerns about shear strength of SCC mixes. This research focused on the components that contribute to the concrete's ability to provide shear by aggregate interlock. Variables investigated by push-off tests included concrete compressive strength, coarse aggregate type , and volumetric content level of the coarse aggregate portion . Post-failure digital imaging software was used to confirm fresh concrete …

Modeling Supply Chain Network Resiliency In The Aftermath Of An Extreme Event, Varun Ramachandran

Masters Theses

"Failure of infrastructure elements due to an extreme event adversely affects the supply chain networks in any urban environment. This study models the resiliency of a supply chain network by integrating geospatial data with critical supply chain elements and graph theory. This model can then be combined with an extreme event simulation to calculate resiliency. Resiliency refers to the time required for services and select economic indicators to approach pre-event levels (in this study, a return to 80% of the pre-event capacity). This research proposes an interdisciplinary approach to develop a comprehensive framework for resiliency modeling. This approach includes the …

Microlens Array Light Trapping In Cdte/Cds Solar Cells, Patrick Michael Margavio

Masters Theses

"In light of the continued rise in fossil fuel costs, alternative energy sources, such as solar technology, are increasingly important. Concentrating photovoltaic systems are promising for future efficient and cost effective competition with fossil fuels. A microlens array is employed to a CdTe/CdS semiconducting solar cell to increase efficiency via light trapping. Since the microlens array will cause a local increase in incident light intensity, it should cause a corresponding increase in efficiency. The solar cell is deposited layer by layer. The CdS layer is chemically deposited. The CdTe layer is deposited using a novel additive manufacture technique: laser melting …

Signal-To-Noise Ratio Of Augmentative And Alternative Communication Devices Across Educational Settings, Hope Elizabeth Lorenz

Masters Theses

The use of augmentative and alternative communication (AAC) devices is important for individuals whose natural speech is inadequate for communication. Research conducted to make improvements to AAC devices has included exploring the effectiveness of color-coding symbols, linguistically based arrangement of symbols, and intelligibility of the devices. However, little attention has been given to the volume adequacy of AAC devices in a variety of educational settings. It is hypothesized that volume levels of AAC devices are often inappropriate for adequate communication when compared to noise levels in the classroom. The present study measured the volume output level of AAC devices compared …

The Lee Silverman Voice Treatment Delivered Via Distance Therapy, Kate Harrington

Masters Theses

The purpose of this study was to determine the efficacy of the Lee Silverman Voice Treatment (LSVT) on improving the vocal loudness in patients with Parkinson's disease when delivered via distance therapy. This study utilized a non-concurrent multiple baseline across subjects research design. Subjects were recruited through local Parkinson's Support Groups. A total of five subjects participated in the study and each subject received the standard LSVT techniques which included focus on using correct breath control to project voice, projecting a range of high to low notes, and speaking written sentences and words as loud as possible.

Three subjects received …

"I Am Not Minor": Characters' Apparent Autonomy In J.M. Coetzee's Fiction, Brigid Erin O'Malley

Masters Theses

J.M. Coetzee's most recent works of fiction have become increasingly experimental with form (e.g., metafiction, diary, fictionalized memoir). These various forms illuminate the subject-object split present in Coetzee's recent work and its transcendence of race and gender. Indeed, the gender and racial tensions present in his novels seem to be mere representations of the subject-object split at work - the split that exists between those with power and those without. Thus, I believe Coetzee is attempting to make a more universal, even spiritual statement regarding the body and soul ( our corporeal selves representing the objective self and our soul …

Social Identity Theory In Campus Recreation: Examining Organizational And Exercise Identification Among Recreation Center Users, Kiel Emberton

Masters Theses

Social identity theory is often used in commercial settings to provide a basis for psychographic market segmentation. This usage has led to the development of organization identification in traditional business settings. Campus recreation is unique in that the primary product of consumption is exercise. In describing exercise behavior, social identity theory has been applied to explain the unique psychological attachments exercisers have to their exercise behavior. This application of social identity theory created the exercise identity construct. The purpose of this study was to examine social identity theory in campus recreation. Specifically, this study investigated the correlation between frequency of …

The Prevalence Of Risk Factors Associated With The Female Athlete Triad Among Eastern Illinois University Female Cross Country Runners, Rachel Renee Snow

Masters Theses

Three main components structure the Female Athlete Triad which are, disordered eating, amenorrhea, and low bone mineral density. This could be a dilemma for athletes because the elements of the triad may contribute to major health issues in the future. The purpose of this study was to investigate the prevalence of risk factors associated with the Female Athlete Triad among Eastern Illinois University female cross country runners. Thirteen subjects ranging in age from 18 - 22 years participated in this study. A five part questionnaire was utilized to determine the subject's demographics, exercise history, dietary habits, menstrual history, and skeletal …

Advocacy Coalitions In Iowa And Illinois: Examining Same-Sex Policy Subsystems, Heather (Aiden) Ethington

Masters Theses

Literature on LGBT politics and rights has been limited. at best. Little information exists as to how coalitions form and build on successes and failures. Seeking to expand the body of research. this study examined the interest group coalitions active on either side of the highly divisive issue of same-sex marriage. Through a comparative case study, the research showed that at the subnational level many issues affect coalition success, including political culture, divisiveness, and in what arena policy change is occurring. Unsurprisingly, the study shows that perturbations in the subsystem led to the greatest response from coalitions, which led to …

Incremental Predictive Validity Of The Wechsler Intelligence Scale For Children, Fourth Edition: Predicting Academic Achievement With Wisc-Iv Fsiq And Index Scores, Shannon Hollinger

Masters Theses

The purpose of this thesis was to replicate the incremental predictive validity study of observed Wechsler Intelligence Scales for Children- Fourth Edition (WISC-IV) factor index scores in predicting reading and mathematics achievement in a sample of referred children from a Midwestern community. Taken from an archival data set, the sample was composed of 298 students who were evaluated as part of special education referrals ranging from kindergarten through 9th grade. Hierarchical multiple regression analyses were used to assess proportions of reading and mathematics achievement obtained from the Wechsler Individual Achievement Test- Second Edition (WIAT-II) and the Woodcock-Johnson Tests of Achievement-Third …

Middle School Teachers' Perceptions Of Strategies That Provide Social Support To Students, Heather Moore

Masters Theses

The present study built on the results of Suldo, Friedrich, White, Farmer, Minch, & Michalowski (2009), which identified several teacher behaviors perceived by middle school students as showing high or low social support. The present study collected data from 123 regular and special education middle school teachers using the Teachers' Perceptions About Social Support for Students (TPASSS) survey to investigate middle school teachers' perceptions of the high and low social support behaviors suggested by Sul do et al. (2009). The purpose of the present study was to investigate which behaviors the teachers in the present study and the students in …

What Parents Want From Parent-Teacher Conferences, Meghan A. Saxine

Masters Theses

Although parent-teacher conferences are common in most schools, there have been very few research studies investigating them. The purpose of this study was to identify what parents want from parent-teacher conferences. The specific goal of the present study was to identify, through the use of a questionnaire, the components of conferences that are most valued by parents. One hundred and seventy seven parents completed a questionnaire and provided feedback about aspects most valued during conferences. More than half of parents indicated that their child was present during the conference and all of the conferences followed a teacher-led format. Although parents, …

School Psychologist Training And Diagnosis Of Attention Deficit/Hyperactivity Disorder, Katharine M. Zwolinski

Masters Theses

Attention deficit hyperactive disorder (ADHD) is a developmental disorder that is characterized by inattention, impulsivity, and hyperactivity. ADHD is commonly diagnosed in childhood and one of the most frequent referral concerns brought to the attention of school psychologists, yet it is often misdiagnosed (Cotuono, 1993; Des granges, Des granges, & Karsky, 1995). The goal of this study is to explore ADHD training among specialist level school psychologists, assessment procedures they were exposed to during training, the information they rely on when determining if a child meets ADHD diagnostic criteria, and the accuracy of the diagnosis. It was hypothesized that the …

Whatchu Breathin'?: Sick Building Syndrome And Seasonal Occurrence Of Fungi, Jessica Stapleton

Masters Theses

This study was designed to evaluate the presence of sick building syndrome in a classroom at Unity High School (Mendon, Illinois) and contrast differences in the number of fungal spores per cubic meter of air in different rooms in the building and between seasons. Air and surface samples were taken to analyze the number of fungal spores per cubic meter and to evaluate generic fungal diversity. Factors influencing the number of fungal spores per cubic meter and genera of fungal isolates were year-round temperature control in the classroom and the presence or absence of students. Some of the fungi isolated …

Prayers Of Obligation And Well-Being: A Study Of The Effects Of Orthodox Jewish Prayer, Charles T. Coleman

Masters Theses

In a study to explore the effect of concentration during Orthodox Jewish obligatory prayer on well-being, ten Orthodox Jewish prayers were rated by experts (Rabbis) for the inclusion of the five identified prayer types of adoration, thanksgiving, confession, supplication, and reception. The ratings were used to establish a prayer type score for each of the ten prayers studied. Other Orthodox Jewish males (non-Rabbis) were then surveyed about their individual level of concentration during the same ten prayers and about health and psychological well-being. Although the multiple regression analyses showed no link between degree of concentration and well-being, it was determined …

The Concurrent And Longitudinal Effects Of Maternal Approval And Sexual Communication On Adolescent Sexual Activity And Std Acquisition, Amy Blackmer

Masters Theses

Adolescent sexual activity can involve risky behaviors, such as failure to use a condom and having multiple sexual partners, which leads to increased risk of sexually transmitted disease (STD) diagnosis. Prior research has shown that maternal factors, including maternal report of sexual communication and adolescent perceived approval of sexual activity, are associated with the level of sexual activity engaged in by adolescents. The present study utilized data from the National Longitudinal Study of Adolescent Health project (Add Health) to examine the relationship between maternal reports of sexual communication, adolescent perception of maternal approval, and adolescent gender on concurrent and later …

Transition In Conceptualizing The Transgender Experience: A Measure Of Counselor Attitudes, Rachel N. Rehbein

Masters Theses

The purpose of this study was to examine counseling practitioner attitudes regarding the diagnosis, conceptualization and treatment of trans gender clients, and to observe possible factors affecting counselor views of trans gender individuals and their presenting issues. The Counselor Attitude Survey (CAS) was designed to measure coonselor attitudes toward trans gender individuals. This measure was distributed to 1000 members of the American Counseling Association throughout the United States and United States territories, resulting in 66 total respondents. Support was found regarding the association between counselor attitudes toward the transgender population and religious and political affiliations. Much of the literature states …

Sleeping The Way To Success: Examining The Relationship Between Sleep And Academic Success Among College Students, Jennifer M. Hedges

Masters Theses

The negative effects of poor sleep habits have been widely studied, although there is little research focusing on the academic impact that poor sleep has among the college student population, where poor sleep seems to be prevalent. Research studies have consistently documented that sleep difficulties and daytime tiredness affect more than half of college students. Daytime naps, pulling "all-nighter" cram sessions, and late bedtimes and rise times are just a few of the common scenarios that deeply disturb the sleep quality and quantity of college students. The American Sleep Association (2007) has shown that sleep is necessary for survival in …

Project In Grant Proposal Writing, Betsy Wells

Masters Theses

This thesis explores the process of grant proposal writing from beginning to end. It includes research and theory on preparing a feasibility report, searching for funding opportunities, using narrative in proposal writing, and repurposing text in the medical field and grant proposal writing. Documents included in this thesis are a feasibility report and two grant proposals written as a project for a small community hospital.

Bioavailability, Bioaccumulation, And Trophic Transfer Of Trace Metals In The Tims Branch-Steed Pond Tributary, Paul Gethyn Edwards

Masters Theses

The Department of Energy's (DOE) Savannah River Site (SRS) is a 777 km² former nuclear weapon material production and current research facility located along the Savannah River in west-central South Carolina. In 1954, direct environmental discharges were released from "M-Area", a fuel and aluminum-clad Uranium (U) nuclear reactor target manufacturing facility through a drainage ditch into the Tims Branch-Steed Pond water system. The wastewater discharges released into Tims Branch contained large volumes of inorganic wastes including depleted and natural U, aluminum (Al), and Nickel (Ni) along with smaller quantities of mercury (Hg), lead (Pb), copper (Cu), chromium (Cr), and …

Acute Effects Of Whole Body Vibration And Vertical Jump Height, Patrick Mckee

Masters Theses

The purpose of this study is to test vertical jump height after performing different warm up routines including jogging on a treadmill, riding a stationary bike, static stretching, and standing on a VibePlate. It was hypothesized that there would be a significant increase in vertical jump height after warming up on the VibePlate versus other warm up modalities. The participants for this study were Eastern Illinois University undergraduate and graduate students age 18-24 years (20.85 ± 1.70 yrs.). The sample consisted of sixteen men and ten women who were classified as low risk after completion of the PAR-Q. All participants …

Polarization In Congressional Committees, Andrew Age

Masters Theses

This thesis analyzes whether polarization is occurring in congressional committees, both the House of Representatives and the Senate standing committees, from 1970-2010. Sean Theirault's (2006) research of polarization on the floor of Congress is the foundation for identifying similar results in the standing committees. In addition, committees will be separated into three different types: regional, national, and power. These types are based on previous categorizing strategies by Glenn Parker and Suzanne Parker (1979), Keith Krebhiel (1990), Garry Young and Valerie Heitshusen (2003), and Gary Cox and Matthew McCubbins (2007). The separation of committees is to find if some committees polarize …

Assessing Happiness In College Students, Ross A. Mcclure

Masters Theses

The present research was constructed with the aim to assess happiness within college students. The research hypotheses were 1.) Students of "belief' faith will experience higher levels of classic happiness than will students not of faith or of "activity" faith, 2.) Students of "belief' faith will experience higher levels of life satisfaction and purpose in life than will students not of faith or of "activity" faith. 3.) Students not of faith will experience the highest levels of contemporary happiness, and 4.) Students not of faith will have the least overall satisfaction with life and have the weakest grasp of a …

The Relationship Between Cyberbullying And Depression In Adolescents, Meredith Mcdermott

Masters Theses

The current study examined the relationship between cyberbullying and depression in high school students, and the relationship between help seeking, parental involvement, and depression. One hundred twenty seven high school students, 43% male and 57% female, between I 4 to 18 years of age, completed a self-report survey. Results indicated that the more experiences students had with cyberbullying, the more likely they were to report symptoms of depression. At an alpha level of .01, results showed that there was a significant positive relationship between bullying and depression, r(125) = .42,p

Sickness And Health, Anthony Smith

Masters Theses

No abstract provided.

Perceptions Of The 2011-2012 Caate Site Visitors For Athletic Training Educational Programs In Illinois, Tiffany Louise Green

Masters Theses

The purpose of this study was to identify and analyze faculty, staff, and students' perception of the site visitors who were involved with the 2011-2012 Athletic Training Educational Program (ATEP) Site Visits in Illinois. The perceptions from multiple universities were compared to determine whether there was perceived site visitor subjectivity during each institution's site visit. The problem that arises is that verification of standards is a very subjective task. Most site visitors think that the program they are affiliated with is the best (Price, 2011 ); therefore, it is difficult to accurately state that personal bias is left at the …