Browsing Theses and Dissertations, Electronic (ETDs) by Title
Now showing items 5963-5982 of 6503
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THE U.S. CONGRESS EITHER OVERREACTS OR UNDERPERFORMS: THE U.S. POSITIVE TRAIN CONTROL MANDATE, NEGLECTED HIGHWAY POLICY, AND HOW TO IMPROVE THE FIRST BRANCH OF GOVERMENT
(Johns Hopkins UniversityUSA, 2016-08-09)Why, when, and how does Congress pass legislation? John Kingdon theorized in Agendas, Alternatives, and Public Policies that the U.S. Congress is unlikely to act on major public policy issues unless there is an event to ... -
THE U.S. GREAT RECESSION: A HISPANIC BABY BUST? U.S. HISPANIC FERTILITY SINCE THE GREAT RECESSION, 2006-2015
(Johns Hopkins UniversityUSA, 2020-06-25)Background Between 2006 and 2017 U.S. Hispanics experienced a 31% drop in fertility rates, the largest decline of any group. Explanations for the decline include changes in the composition of the Hispanic population due ... -
The Ubiquity of Iodotyrosine Deiodinase: Identification of its Signature Sequence and Functional Analysis in a Model Invertebrate
(Johns Hopkins UniversityUSA, 2016-08-16)Iodotyrosine deiodinase (IYD) serves a critical role in iodide conservation through salvage of iodide from mono- and diiodotyrosine (I-Tyr and I2-Tyr), the by-products of thyroid hormone (TH) synthesis. Genomic data suggested ... -
THE UNDERACHIEVEMENT AND PERFORMANCE OF HIGH SCHOOL STUDENTS WITH ATTENTION-DEFICIT/HYPERACTIVITY DISORDER (ADHD)
(Johns Hopkins UniversityUSA, 2019-07-24)High school students with Attention-Deficit/Hyperactivity Disorder (ADHD) demonstrate significant academic underachievement and poor educational performance (Barkley, 1997; Loe & Feldman, 2007). The first chapter of the ... -
The Unequal Twins: Artemis and Apollo in Athenian Drama and Iconography
(Johns Hopkins UniversityUSA, 2017-10-27)Artemis and Apollo were both important deities in Athens, but while in Attic vase iconography they are repeatedly portrayed alongside each other, in Athenian drama Apollo is mostly depicted by himself and Artemis’ presence ... -
THE UNITED STATES HEALTHCARE SYSTEM FROM A COMPARATIVE PERSPECTIVE: THE PROSPECTS FOR UNIVERSAL HEALTHCARE IN AMERICA
(Johns Hopkins UniversityUSA, 2022-05-20)America is still the only industrialized nation not to have universal healthcare. Many Americans are uninsured, underinsured, or unable to afford their prescription medications. Many citizens have been fighting for a more ... -
The United States Navy as a Hollow Force - An Assessment of Naval Readiness from 2010 to 2017
(Johns Hopkins UniversityUSA, 2020-01-07)From 2010 to 2017, at least six separate but interconnected factors damaged the military readiness of the United States Navy. This thesis explored the concepts of force readiness and force “hollowness” as qualitative ... -
THE URINARY MICROBIOME AND PROSTATE INFECTION IN PROSTATE CANCER DEVELOPMENT
(Johns Hopkins UniversityUSA, 2020-06-01)Inflammation is proposed as an initiating factor for prostate cancer. Although not extensively studied, bacterial infections likely serve as a common stimulus for prostatic inflammation. In this thesis, we explore the ... -
The Use of 3D-Printed Phantoms For Evaluating CT Image Quality
(Johns Hopkins UniversityUSA, 2019-12-13)This thesis is about applying 3D printing in evaluating CT image quality and showing how this low-cost and fast-prototyping technique has the potential to create a paradigm shift in phantom design from simple geometrical ... -
The use of artificial intelligence and big data in the safety evaluation of food additives
(Johns Hopkins UniversityUSA, 2021-05-05)Environmental contaminants, naturally occurring toxicants, pesticide residues, and food additives are the four chemical-associated of six categories of food safety established by the Food and Drug Administration. The direct ... -
THE USE OF DIGITAL GAMES BY KINDERGARTEN STUDENTS TO ENHANCE EARLY LITERACY SKILLS
(Johns Hopkins UniversityUSA, 2018-07-10)The present work reviewed the literature associated with the low levels of student achievement in literacy among early grade students in Brazil, the problem of practice. Under an ecological systems theory perspective, I ... -
THE USE OF GEOGRAPHIC INFORMATION SYSTEMS AND SPATIAL ANALYSIS IN DESCRIBING PATTERNS OF PREHOSPITAL RESPONSE TO HIGH-ACUITY TRAUMA IN HOWARD COUNTY, MARYLAND
(Johns Hopkins UniversityUSA, 2021-08-24)Background: For many patients, prehospital care is the first contact with the healthcare system in a medical emergency. When traumatic injuries are involved, timely response is particularly important as increased time to ... -
THE USE OF PEPTIDES FOR CARGO TRANSPORT ACROSS BIOLOGICAL BARRIERS
(Johns Hopkins UniversityUSA, 2019-08-20)Many brain disorders, such as brain cancer and stroke, lack drug therapy because drugs are unable to cross the blood-brain barrier (BBB) and reach the brain. In this work we show that peptides can be used for the delivery ... -
The validity and limitations of IGRA (QFT-GIT) and TST in screening for pulmonary tuberculosis among adults applying for residency in the Emirate of Abu Dhabi, UAE in 2013
(Johns Hopkins UniversityUSA, 2018-08-01)Mycobacterium tuberculosis (MTB), the agent causing tuberculosis (TB) and latent tuberculosis infection (LTBI) imposes a significant public health concern world-wide. The utility and the value for simultaneous (parallel) ... -
The Valuation of Proved Oil Reserves: Price-Induced Revision and the Random Evolution of Oil Prices
(Johns Hopkins UniversityUSA, 2019-07-03)We present two methods for valuing an oil Exploration and Production (E&P) firm, one static and one dynamic. Central to our methodology is the phenomenon of price-induced revision of bankable (a.k.a. proved) oil reserve ... -
The Value of Direct-Acting Antivirals for the Treatment of Chronic Hepatitis C In An Integrated Healthcare System
(Johns Hopkins UniversityUSA, 2018-03-22)Problem: Hepatitis C (HCV) affects over 3 million people in the United States. The disease is now curable with new all-oral direct-acting antiviral (DAA) therapies with clinical trial efficacy rates between 90%-100%. ... -
The Value of Measuring Quality of Primary Care using Patient-Reported Depression Collected Through Electronic Health Records
(Johns Hopkins UniversityUSA, 2014-06-06)Statement of the problem: Depression is a common condition that is often under-diagnosed and under-treated. Depression screening in primary care is both a Healthy People 2020 goal, and is being promoted through Medicare’s ... -
The Vermont Difference: Direct Democracy to the Impact of Progressive Politics
(Johns Hopkins UniversityUSA, 2021-05-13)The Vermont political environment is home to three, frequently lauded, unique attributes that separates it from other states. This thesis investigates why and how Vermont sees such a prevalence in split ticket voting, how ... -
The Wavelet RNN: Timeseries forecasting using multiresolution structure
(Johns Hopkins UniversityUSA, 2017-08-25)In this work, we look to develop a method for handling time series data that can take advantage of structure in the signal at multiple resolutions. We draw inspiration from past work on wavelet decompositions and recent ...