4,583 Works

Temperamental And Contextual Correlates of Oppositional Defiant Disorder Symptom Dimensions

Oppositional defiant disorder (ODD) typically has been studied as a single dimensional construct but findings suggest that it may be better conceptualized as a disorder of multiple dimensions that reflect qualitative differences amongst symptoms. Although two- and three-factor models have been identified, emerging studies suggest that a two-dimensional model distinguishing emotional and behavioral symptom dimensions may best characterize the disorder. Emotional and behavioral symptom dimensions have demonstrated unique associations with internalizing and externalizing symptoms and...

THE RELATIONSHIP BETWEEN PHYSIOLOGICAL REACTIVITY TO PROVOCATION AND EMOTION DYSREGULATION WITH PROACTIVE AND AFFECTIVE AGGRESSION

Biological theory proposes that autonomic nervous system (ANS) hypo-reactivity may be more specific to proactive aggression, while ANS hyper-reactivity may be specific to affective aggression. However, the literature finds mixed support, which may be because no study to date has concurrently examined emotion dysregulation, a highly related variable, as a potential moderator. The present study examined these relationships in 76 undergraduate participants (29 men, mean age = 21.49) who identified as Caucasian (51%), African-American (23%),...

Mandatory School Vaccination Policies: Highlighting or Equalizing Racial and Socioeconomic Disparities in School Children? Barriers, attitudes, and behaviors towards fulfilling requirements

With the rise of vaccine preventable illness in the US, the importance of timely vaccinations in children remains a priority. Mandatory school vaccination requirements are effective because they are generally accepted by the public, they allow schools and immunization programs to share resources, and they serve as a safety net to ensure all school children are immunized appropriately regardless of race, socioeconomic status (SES), or access to medical care2. However, it has repeatedly been shown...

Virtual Reality and Higher Education: Presence and Motivation to Learn Via Immersive Media Experiences

Although many studies have pointed out the limitations of applying more advanced technology in educational settings (Collins & Halverson, 2018; Fedorov & Levitskaya, 2015; Kozma, 1994), some studies have shown media technology enhances essential educational outcomes (Gardner, 1993; Hew & Cheung, 2010; Jensen & Konradsen, 2018; McLellan, 1994; Merchant, Goetz, Cifuentes, Keeney-Kennicutt, & Davis, 2014) and that more immersive media technology can help people to perceive events through media technology better (Bracken & Lombard, 2004;...

EFFECT OF AGE AND FALL STATUS ON THE SCALING OF THE POSTURAL CONTROL VARIABLES TO A SCALED GAIT INITIATION TASK

Inefficacy of the postural control system can lead to loss of equilibrium and upright stability, and ultimately a fall by older adults. Understanding the control of the center of mass (CoM) with respect to the base of support (BOS) in a progressively challenging environment that encourages individuals to scale postural control variables is of clinical importance. Subsequently, the long-term goal of this work is to optimize evidence-based balance rehabilitation programs for older adults with balance...

THE LINK BETWEEN STRATEGIC POSITIONING AND OPERATIONAL CONTROL: A FIELD STUDY OF A RESTAURANT BUSINESS

Hybrid organizations that pursue both social mission and profit aims have been prevalent in our society for many decades. However, the importance of for-profit corporations’ positive social impact has been emphasized and scrutinized in recent few decades, attracting attention of both scholars and practitioners. This study builds on the existing strategy and control framework and proposes an extended conceptual framework for the link between strategic positioning and operational control for hybrid organizations that pursue both...

EFFECTS OF WORD CARD METHODOLOGY AND TESTING ON VOCABULARY KNOWLEDGE AND MOTIVATION

This research explores the efficacy of word cards as a deliberate vocabulary learning technique and investigates the effects of testing on motivation for deliberate vocabulary study. While word cards are a widely supported method of deliberately studying target foreign language vocabulary, there is a surprising lack of research-based evidence supporting them, and very few researchers have asked students how they feel about word card learning. In addition, it is well known that testing can increase...

A Theory of Sociotechnical Justice in Healthcare

The social determinants of health make the most impact on our health. There is significant inequality in health due to unfair distribution of the social determinants. Yet, the healthcare system lacks a focus on addressing the social determinants. For this reason, social justice is a necessary part of pursuing equitable healthcare. This goal is complicated by the growing role that technology plays in healthcare and society. Due to the importance of digital information technology, social...

THE EFFECT OF EXTENSIVE READING, TIMED READING, AND WORD RECOGNITION TRAINING ON READING

Word recognition skill is fundamental for readers to successfully process any given text. Proficiency in the component skills of word recognition, orthographic, phonological, and semantic knowledge, is what readers need to accurately and automatically decode words to apply meaning to what they have read. For second language readers, the challenge of reading is often hindered by a lack of word recognition skills and therefore, they often suffer from low reading rates and consequently poor reading...

OPTIMIZATION OF STEEL MOMENT FRAME USING HARMONY SEARCH ALGORITHM

Design optimization of structures has become an important method to study and develop these days. Due to the fact that the world's population is increasing, and the worlds' resources are decreasing. An optimum design algorithm is a useful tool that can help to minimize the weight of a structure. Over the last four decades, several number of algorithms have been developed to solve engineering optimization problems, for example, metaheuristic algorithms. An example of metaheuristic algorithms...

Security and Privacy Issues of Mobile Cyber-physical Systems

Cyber-physical systems (CPS) refer to a group of systems that combine the real physical world with cyber components. Traditionally, the applications of CPS in research and the real world mainly include smart power grid, autonomous automobile systems, and robotics systems. In recent years, due to the fast development of pervasive computing, sensor manufacturing, and artificial intelligence technologies, mobile cyber-physical systems that extend the application domains of traditional cyber-physical systems have become increasingly popular. In mobile...

New observation of a highly aggressive disease of hibernating Myotis lucifugus bats

Bats are crucial to ecological function and provide key ecosystem services to people but face a variety of significant threats. One current threat to North American bats is white-nose syndrome (WNS), a disease caused by the invasive fungal pathogen Pseudogymnoascus destructans (Pd) that has killed millions of hibernating bats across the continent. Remnant populations of affected bat species persist but are so depleted that they may now be highly vulnerable to new threats, or to...

Use Of A Trauma Informed Care Framework To Create Bidirectional Learning Opportunities In A Critical Service Learning Curriculum

Addressing childhood trauma is increasingly being recognized as a priority in public health, healthcare and health policy sectors. As evidence mounts that the effects of trauma are both graded and dose responsive, stakeholders in healthcare are turning more attention to preventing and addressing experiences of trauma in childhood, commonly referred to as adverse childhood experiences (ACEs). Trauma Informed Care (TIC), is a promising clinical approach attuned to the specific needs of traumatized patients that is...

Epistemically Adrift: Mood Disorders and Navigating Responsibility

This is a dissertation in philosophy of psychiatry and ethics focused on the question of how does one live and react responsibly to the experience of mood disorders such as depression and anxiety. In looking to the current state of psychiatry and cultural understandings of mental disorder, I identify what I call being “epistemically adrift” – the sense that individuals face too many conflicting opinions and a constant debate of how to live with depression...

PORTFOLIO DECISIONS WITH INFORMATION AND INTERNATIONAL CURRENCY FRICTIONS

Portfolio decision problems have been the focus of research for decades. Many investors nowadays are aware of the benefits of adding foreign assets to a portfolio. These benefits include diversification, “don't put all your eggs in one basket”, and hedging, which serves the same purpose as buying insurance. However, the empirical findings suggest that instead of holding the fully diversified portfolio suggested by financial theory, investors are tilted more heavily towards domestic asset positions. This...

Jah in the Flesh: An Examination of Spirit, Power, and Divine Envesselment in Rastafari

This dissertation examines one of the most significant theological shifts in the Rastafari movement: the transformation of the Rastafari deity, His Imperial Majesty Emperor Haile Selassie I, from Jah in the flesh to the spirit that dwells within the body of each Rasta. Although the belief that Rastas are participants in the divinity of Jah emerged early in Rastafari, it was not until Selassie’s death in 1975 that the theological assertion of Jah dwelling within...

A BOURDIEUSIAN CASE STUDY OF NATIVE AND NONNATIVE MIGRANT TEACHERS’ EIKAIWA EXPERIENCES

This critical multi-case study involves a group of migrant eikaiwa (English conversation) school teachers in Japan. The purpose of the study was to investigate the teachers’ positions and treatment in the commercial English language teaching (ELT) sector and their adaptation to their work environment and the host country, through applying the concepts of capital, habitus, and field. The issues of who should be employed as teachers, to whom learners should be exposed to as model...

NOVEL ROLES FOR GRK2 IN METABOLIC HOMEOSTASIS AND SKELETAL MUSCLE PHYSIOLOGY

Over the past two decades, a vast body of research has demonstrated the importance of G protein-coupled receptor kinase 2 (GRK2) in the physiology and pathophysiology of the heart. Adrenergic receptors are the primary target for GRK2 activity in the heart; phosphorylation by GRK2 leads to desensitization of these receptors. As such, levels of GRK2 activity in the heart directly correlate with cardiac contractile function. Furthermore, increased expression of GRK2 following cardiac insult exacerbates injury...

Mathematical Models of Biofilm in Various Environments

Microbial biofilms are defined as clusters of microbial cells living in self-produced extracellular polymeric substances (EPS), which always attached to various kinds of surfaces. In this thesis, we studied several mathematical models of biofilm in the human body and marble environment. Some related background of biofilm growth and some basic existing numerical models were introduced in the first chapter. In the first project, we introduced how biofilm affects the local oxygen concentration near the neutrophil...

Continued Entanglements: Between Equestrian Oba and Rumors of War

Using Kehinde Wiley’s Rumors of War as a starting point, this thesis seeks to craft and engage in a larger dialogue about the complex global entanglements of art, trade, slavery, war, commemoration, and race that have existed since the first contacts between Europe and Africa. In September 2019 in New York’s Time Square, Wiley unveiled the monument to be permanently installed outside of the Virginia Museum of Fine Arts in Richmond, Virginia. This large work...

USE OF MICROALGAE FOR WASTEWATER TREATMENT AND BIOFUEL PRODUCTION: EFFECTS OF ENVIRONMENTAL CONTAMINANTS ON THE CELLULAR RESPONSE

Microalga-based technologies are introduced to provide a new generation of biofuels. The cultivation of microalgae in wastewater as the growth medium may offer the dual benefit of wastewater treatment and sustainable biofuel production. The potential of microalgal biomass to be converted into biodiesel depends on the accumulation of lipids, mainly triacylglycerols. However, the presence of toxic contaminants in municipal or industrial wastewater could negatively affect the biomass growth and modify the pattern of lipid accumulation...

VOICES FROM THE EDUCATIONAL FRINGE: AN ETHNOGRAPHIC STUDY EXPLORING EDUCATIONAL EXPERIENCES OF AFRICAN AMERICAN MALES IN AN ALTERNATIVE GED PROGRAM

Black males are more likely than others to attend alternative education programs and schools (McCall, 2003; Howard, 2008). Alternative high schools and programs tend to serve a disproportionate number of male students, students of color, at risk students, and economically disadvantaged students (McNulty & Roseboro, 2009; Watson, 2011). A significant number of Black male students will pursue the GED credential in these programs. This ethnographic study focuses on Black male students who have dropped out...

SOY PROTEIN ISOLATE (SPI) “GREEN” SCAFFOLDS WITH ORIENTED MICROCHANNELS FOR APPLICATIONS IN SPINAL CORD INJURY

Every year, accidents, falls, sport injuries and other incidents cause thousands of people to suffer spinal cord injury (SCI). In the United States alone, it is estimated that the number of Americans that live with SCI is around 259,000, with 12,000 new cases that happen annually (1). These injuries lead to spinal cord damages expressed by massive nerve tract degeneration followed by neurological loss, paralysis and disabilities. Therapy of SCI patients with non-steroidal anti-inflammatory drugs...

Sufficient Dimension Reduction with Missing Data

Existing sufficient dimension reduction (SDR) methods typically consider cases with no missing data. The dissertation aims to propose methods to facilitate the SDR methods when the response can be missing. The first part of the dissertation focuses on the seminal sliced inverse regression (SIR) approach proposed by Li (1991). We show that missing responses generally affect the validity of the inverse regressions under the mechanism of missing at random. We then propose a simple and...

Generalized Domain Adaptation for Sequence Labeling in Natural Language Processing

Sequence labeling tasks have been widely studied in the natural language processing area, such as part-of-speech tagging, syntactic chunking, dependency parsing, and etc. Most of those systems are developed on a large amount of labeled training data via supervised learning. However, manually collecting labeled training data is too time-consuming and expensive. As an alternative, to alleviate the issue of label scarcity, domain adaptation has recently been proposed to train a statistical machine learning model in...

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