Clustered longitudinal data is often collected as repeated measurements on subjects over time arising in the clusters. Examples include longitudinal community intervention studies, or family studies with repeated measures on each member. Meanwhile,...
Brief Overview of the Problem: The Environmental Protection Agency (EPA), a government funded agency, provides both legislative and judicial powers for emissions monitoring in the United States. The agency crafts laws based on self-made regulations...
The use of fiber reinforced polymer materials (composite FRP materials) to
strengthen existing concrete structures continues to expand as our current infrastructure
ages. However, one of the concerns when using FRP systems in this manner is...
The phase II clinical trial is a critical step in the drug development process. In the oncology setting, phase II studies typically evaluate one primary endpoint, which is efficacy. In practice, a binary measurement representing the response to the...
Psychiatry and religion; Mental illness--Social aspects; Mental health services--Social aspects; Protestants--Attitudes
Researchers have long been interested in the relationship among the separate fields of psychology and religion. This dissertation seeks to explore the differences in the way protestant Christians with various religious orientations view mental...
Lead Zirconate Titanate (PZT), known for its ferroelectric properties, is widely used in micro-electromechanical (MEMS) and nano-electromechanical (NEMS) devices. PZT is a ceramic material that is most commonly found in its sol gel form, which...
Representing the complex data in a concise and accurate way is a special stage in data mining methodology. Redundant and noisy data affects generalization power of any classification algorithm, undermines the results of any clustering algorithm and...
African American men--Mental health; Depression in men; Depression, Mental--Social aspects
Background: In any given year depression affects as many as 121 million people worldwide and 20 percent or 19 million people in the U.S. suffer from at least one episode of depression during their lifetime. In the U.S., depression has a substantial...
Children with visual disabilities--Services for--Kentucky; Children with visual disabilities--Education--Kentucky; Self-help devices for people with disabilities--Kentucky; Students with disabilities--Services for--Kentucky
Assistive technology (AT) helps make the curriculum accessible to students with visual impairments. Studies have shown that half of these students are using assistive technologies. The purpose of this study was to seek a better understanding of the...
INTRODUCTION: Attention Deficit/Hyperactivity Disorder (ADHD) is a disorder that is prevalent throughout the world. It is believed that 5% of school aged children suffer from ADHD, with some estimates indicating as high as 10% may suffer from the...
Student evaluation of teachers; College teachers--Rating of; College students--Attitudes; Teacher-student relationships
This dissertation explored the relationship between student, course, and
instructor-level variables and student course ratings. The selection of predictor variables
was based on a thorough review of the extensive body of existing literature on...
This study investigates the placebo effect in randomized controlled trials of low back pain. This effect has not been analyzed over time or in respect to low back pain. A meta-analysis was performed using the Pubmed/Medline database for low back...
Teachers--Job satisfaction--Kentucky--Louisville; Teacher turnover--Kentucky--Louisville; First year teachers--Kentucky--Louisville
This study addressed the job satisfaction of new teachers in Jefferson County Public Schools (JCPS). in Jefferson County, Kentucky. The JCPS district is the 29th largest in the United Sates and serves over 98,000 students. Understanding what...
Dentist and patient; Dentists--Training of; Dentistry--Practice; Orthodontics, Corrective
Competition for orthodontic patients is at an all time high. Ways to differentially market an orthodontic practice are essential in attracting patients. It is hypothesized that the patients don't understand the extra training that an orthodontist...
Masculinity--Social aspects; Drug dealers--Psychology; Male college students--Effect of stress on; Drug abuse and crime
This thesis integrates James Messerschmidt's Masculinity Theory (1997) with Robert Agnew's General Strain Theory (1992) to examine the relationship between failure to achieve ideal masculine standards, resultant psychological stressors, and the...
Nanoparticles are a class of materials that exhibit unique physical and chemical properties compared to those of the same material at the bulk scale. One method of enhancing the thermal conductivity, and hence the heat transfer coefficient, of a...
Ligaments--Wounds and injuries; Knee--Wounds and injuries; Women athletes--Wounds and injuries
Anterior Cruciate Ligament (ACL) injuries are among the most common injuries incurred by both recreational and professional athletes. ACL injuries often occur during popular contact sports like basketball, football, volleyball and baseball, and...
Trees in cities--Kentucky--Louisville; Urban forestry--Kentucky--Louisville; Louisville (Ky.)--Environmental conditions
Trees in urban residential neighborhoods provide valuable ecosystem services. Urban trees also face threats from disturbances, such as storms. In 2008, the Urban Forest Effects model was used to estimate abundance and species composition of...
Marginal inference for waiting times in multi-stage time-to-event models is complicated by right censoring of observations as well as the prior history of events in the model. In general, complications arise due to the evolution of the censoring...
In the age of high-throughput molecular biology techniques, scientists have incorporated the methodology of in-situ hybridization to map spatial patterns of gene expression. In order to compare expression patterns within a common tissue structure,...
