Open Access. Powered by Scholars. Published by Universities.®

Digital Commons Network™

Open Access. Powered by Scholars. Published by Universities.®

University of Mississippi

Discipline
Keyword
Publication Year
Publication
Publication Type
File Type

Articles 3031 - 3060 of 26842

Full-Text Articles in Entire DC Network

Nested Adaptation Of Mcmc Algorithms, Dao Nguyen, Perry De Valpine, Yves Atchade, Daniel Turek, Nicholas Michaud, Christopher Paciorek Jan 2020

Nested Adaptation Of Mcmc Algorithms, Dao Nguyen, Perry De Valpine, Yves Atchade, Daniel Turek, Nicholas Michaud, Christopher Paciorek

Faculty and Student Publications

© 2020 International Society for Bayesian Analysis Markov chain Monte Carlo (MCMC) methods are ubiquitous tools for simulation-based inference in many fields but designing and identifying good MCMC samplers is still an open question. This paper introduces a novel MCMC algorithm, namely, Nested Adaptation MCMC. For sampling variables or blocks of variables, we use two levels of adaptation where the inner adaptation optimizes the MCMC performance within each sampler, while the outer adaptation explores the space of valid kernels to find the optimal samplers. We provide a theoretical foundation for our approach. To show the generality and usefulness of the …

Go to article

Revisiting Lightweight Encryption For Iot Applications: Error Performance And Throughput In Wireless Fading Channels With And Without Coding, Yazid M. Khattabi, Mustafa M. Matalgah, Mohammed M. Olama Jan 2020

Revisiting Lightweight Encryption For Iot Applications: Error Performance And Throughput In Wireless Fading Channels With And Without Coding, Yazid M. Khattabi, Mustafa M. Matalgah, Mohammed M. Olama

Faculty and Student Publications

© 2013 IEEE. Employing heavy conventional encryption algorithms in communications suffers from added overhead and processing time delay; and in wireless communications, in particular, suffers from severe performance deterioration (avalanche effect) due to fading. Consequently, a tremendous reduction in data throughput and increase in complexity and time delay may occur especially when information traverse resource-limited devices as in Internet-of-Things (IoT) applications. To overcome these drawbacks, efficient lightweight encryption algorithms have been recently proposed in literature. One of those, that is of particular interest, requires using conventional encryption only for the first block of data in a given frame being transmitted. …

Go to article

Acute Exercise On Memory Function: Open Vs. Closed Skilled Exercise, Justin Cantrelle, Grace Burnett, Paul D. Loprinzi Jan 2020

Acute Exercise On Memory Function: Open Vs. Closed Skilled Exercise, Justin Cantrelle, Grace Burnett, Paul D. Loprinzi

Faculty and Student Publications

© 2020 The Author(s). Background: Previous studies suggest that acute exercise may improve memory function. Few studies, however, have investigated the differential effect of the acute exercise movement patterns on memory. Such an effect is plausible, as research demonstrates that open-skilled exercise (e.g., racquetball) may have a greater effect on memory-related neurotrophins (e.g., brain-derived neurotrophic factors) when compared to closed-skilled exercise (e.g. treadmill exercise). A key distinction between open- and closed-skilled exercise is that open-skilled exercises are those that require an individual to react in a dynamic way to a changing, unpredictable environment. Our aim in this study was to …

Go to article

The Effect Of Rugby World Cup 2019 On Residents’ Psychological Well-Being: A Mediating Role Of Psychological Capital, Shintaro Sato, Keita Kinoshita, Minjung Kim, Daichi Oshimi, Munehiko Harada Jan 2020

The Effect Of Rugby World Cup 2019 On Residents’ Psychological Well-Being: A Mediating Role Of Psychological Capital, Shintaro Sato, Keita Kinoshita, Minjung Kim, Daichi Oshimi, Munehiko Harada

Faculty and Student Publications

© 2020 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. The current study aimed to examine the relationships among residents’ impact perception of 2019 Rugby World Cup (i.e. economic impact, cultural interests and new opportunity, community pride, and environmental impact), psychological capital (i.e. hope, self-efficacy, optimism, and resilience), and psychological well-being. The two-wave time-lagged data were collected from residents in the host cities (a following week of the event and eight weeks after the event; N = 206). The results indicated that residents’ perceptions of event impacts were positively associated with psychological capital, which influenced …

Go to article

Education Edge 2019-2020, Uniersity Of Mississippi. School Of Education Jan 2020

Education Edge 2019-2020, Uniersity Of Mississippi. School Of Education

Education Newsletters

Cover Story: 30 Years of the Mississippi Teacher Corps

Go to article

The Impact Of Mindfulness-Based Yoga Interventions On Fifth-Grade Students’ Perceived Stress And Anxiety, Alicia Cooper Stapp, Ashley Berry Lambert Jan 2020

The Impact Of Mindfulness-Based Yoga Interventions On Fifth-Grade Students’ Perceived Stress And Anxiety, Alicia Cooper Stapp, Ashley Berry Lambert

Faculty and Student Publications

© IEJEE. With rising pressure and an increase in expected academic performance in schools across the United States, students are experiencing higher levels of stress than ever before. To address this issue, the present study examined the impact of mindfulness-based yoga interventions on fifth-grade students’ perceived stress and anxiety levels through a mixed methods research approach. Quantitative data were collected from students through a pre-and post-questionnaire while qualitative data were garnered through an interview with the classroom teacher. Findings revealed that following the intervention period, students reported a decrease in stress levels (9.29%) and a slight increase in anxiety levels …

Go to article

Applying A Newly Learned Second Language Dimension To The Unknown: The Influence Of Second Language Mandarin Tones On The Naïve Perception Of Thai Tones, Vance Schaefer, Isabelle Darcy Jan 2020

Applying A Newly Learned Second Language Dimension To The Unknown: The Influence Of Second Language Mandarin Tones On The Naïve Perception Of Thai Tones, Vance Schaefer, Isabelle Darcy

Faculty and Student Publications

This study investigates whether L2 Mandarin learners can generalize experience with Mandarin tones to unfamiliar tones (i.e., Thai). Three language groups-L1 English/L2 Mandarin learners (n=18), L1 Mandarin speakers (n=30), L1 monolingual English speakers (n=23)-were tested on the perception of unfamiliar Thai tones on ABX tasks. L2 Mandarin learners and L1 Mandarin speakers perceived Thai tones more accurately than L1 English non-learners. Mandarin learners L1 speakers showed priming on Mandarin tones on a lexical decision task with repetition priming, suggesting L2 tones had been encoded within lexical representations of L2 Mandarin words. However, results must be interpreted cautiously, with an absence …

Go to article

U.S. Gaap Financial Statements Best Practices In Presentation And Disclosure, 74th Edition, 2020; Accounting Trends & Techniques, American Institute Of Certified Public Accountants (Aicpa) Jan 2020

U.S. Gaap Financial Statements Best Practices In Presentation And Disclosure, 74th Edition, 2020; Accounting Trends & Techniques, American Institute Of Certified Public Accountants (Aicpa)

Accounting Trends and Techniques

No abstract provided.

Go to article

Assessing Distance Perception In Virtual And Augmented Realities With Electroencephalography, Ethan Luckett Jan 2020

Assessing Distance Perception In Virtual And Augmented Realities With Electroencephalography, Ethan Luckett

Electronic Theses and Dissertations

A comfinding in spatial perception research is that subjects tend to underestimate distances in virtual reality compared to the real world. The degree and methods of measurement of underestimation vary between studies, but the trend of underestimation is consistent. This study uses electroencephalography as a neuroimaging technique to examine patterns of brain activity when fixating objects in near space and far space in the real world, in virtual reality, and in augmented reality. For the augmented reality condition, a custom optical see-through augmented reality head-mounted display (HMD) was built and calibrated. A calibration method was developed to correct the geometric …

Go to article

Incorporation Of Acoustic And Chemical Modifications To Biochar For Pollution Abatement, Riya Chatterjee Jan 2020

Incorporation Of Acoustic And Chemical Modifications To Biochar For Pollution Abatement, Riya Chatterjee

Electronic Theses and Dissertations

A series of my researches aim to develop an advanced suitable carbon activation techniques using ultrasound waves, and chemical functionalization for the application of environmental remediation. Ultrasound irradiation exfoliates the graphitic layers of biochar, and creates new/opens the blocked pores, thus creating active sites for chemical activation using amine. CO2 is one of the major air pollutants and a leading cause of the global warming. Thus, it is imperative to establish a proper CCS technology. Reductive photocarboxylation could be an effective way to attach CO2 on carbonaceous structure such as biochar. Biochars have highly porous structure, high surface area and …

Go to article

Hayek And Natural Law: Grounding Social Institutions In Human Action And Morals, Ethan Davis Jan 2020

Hayek And Natural Law: Grounding Social Institutions In Human Action And Morals, Ethan Davis

Electronic Theses and Dissertations

Friederich Hayek’s The Constitution of Liberty provides us with a theory of freedom, one that seeks to minimize coercion in the name of progress. The concept of progress is the grounding for Hayek’s entire theory. It ultimately provides the value of both liberty and those things which derive their value by preserving, promoting, and constituting liberty, such as rights and laws more generally. The problem is that progress is an ill-defined concept because Hayek’s descriptions of it are so vague that it cannot provide any satisfying explanation of why progress itself is desirable and, consequently, why we should promote liberty …

Go to article

Lidocaine Mucoadhesive Film Fabrication Using Fused Deposition Modeling 3d Printing, Mohammed Yahya Alyahya Jan 2020

Lidocaine Mucoadhesive Film Fabrication Using Fused Deposition Modeling 3d Printing, Mohammed Yahya Alyahya

Electronic Theses and Dissertations

Hot-melt extrusion and 3D printing are among the recent means of processing techniques adopted in the pharmaceutical industry. These technologies are used as a method of preparing solid dispersions develop complex shapes that are difficult to be obtained using other means of production. In the current research work, many formulations loaded with lidocaine HCl were prepared and extruded using 11mm twin-screw extruder. The extrudate filaments were then fed into a fused deposition modelling (FDM) printer to fabricate mucoadhesive films meant to buccal applications to manage local pain within the oral cavity that requires the intervention with local anesthetics. The printed …

Go to article

Approaches To Alleviate The Vigabatrin Induced Retinal Toxicity, Anitha Police Jan 2020

Approaches To Alleviate The Vigabatrin Induced Retinal Toxicity, Anitha Police

Electronic Theses and Dissertations

Safety of therapeutics is one of the primary concerns during the treatment of any ailments. Most of the toxic effects of drugs occurs due to accumulation of drug in organs, which is dependent on the dosage of the drug. The ideal therapy should minimize the risk of causing adverse events at the same time elicit intended therapeutic effects. Vigabatrin (VGB) is an antiepileptic drug used primarily in the treatment of infantile spasms and it acts by inhibiting gamma amino butyric acid (GABA) transaminase thereby increasing inhibitory neurotransmitter GABA levels. At therapeutic doses, VGB accumulates in retina leading to peripheral visual …

Go to article

Simulation Of Virtual Reality Display Characteristics: A Method For The Evaluation Of Motion Perception, Jonathan Emmanuel Hopper Jan 2020

Simulation Of Virtual Reality Display Characteristics: A Method For The Evaluation Of Motion Perception, Jonathan Emmanuel Hopper

Electronic Theses and Dissertations

Visual perception in virtual reality devices is a widely researched topic. Many newer experiments compare their results to those of older studies that may have used equipment which is now outdated, which can cause perceptual differences. These differences in hardware can be simulated to a degree in software, provided the capabilities of the current hardware meet or exceed those of the older hardware. I present the HMD Simulation Framework, a software package for the Unity3D engine that allows for quick modification of many commonly researched HMD characteristics through the Inspector GUI built into Unity. I also describe a human subjects …

Go to article

The Charger: A Case Study Of Leadership Decisions And The Oxford High School Student Newspaper, R. J. Morgan Jan 2020

The Charger: A Case Study Of Leadership Decisions And The Oxford High School Student Newspaper, R. J. Morgan

Electronic Theses and Dissertations

This case study uses qualitative interviews with administrators, advisers, former editors, and others, along with researcher observations and more than 50 years of archival documents to construct a comprehensive portrait of the history, successes, and challenges of the student newspaper program at Oxford High School, and how administrative decision making has affected that success and vice versa. The OHS student newspaper, called the Charger since the late 1980s, has consistently ranked at or near the top of the best high school newspapers in Mississippi and has at times been named one of the top high school newspapers in the nation. …

Go to article

Awareness Of Peace Journalism Among Bangladeshi And Ethiopian Journalists, Sima Rani Bhowmik Jan 2020

Awareness Of Peace Journalism Among Bangladeshi And Ethiopian Journalists, Sima Rani Bhowmik

Electronic Theses and Dissertations

News is a vital element to keep people informed. Though the orientation of the stories is often debated over whether it is based on facts or lies. In a polarized society, it may not be the event that contributes to violence, but how the event is reported. Here is where the role of peace journalism comes in where reporters or news managers can shed light on structural and cultural causes of violence. It is in this context that this study attempted to investigate the level of awareness of peace journalism among Bangladeshi and Ethiopian journalists. To this end, the researcher …

Go to article

Labor In The Field Is Much Changed: The Chickasaws And The Civilization Plan, 1790-1837, Jeffrey D. Washburn Jan 2020

Labor In The Field Is Much Changed: The Chickasaws And The Civilization Plan, 1790-1837, Jeffrey D. Washburn

Electronic Theses and Dissertations

Between 1790 and 1840, the U.S. federal government instituted its so-called “civilization plan,” which encouraged Southern Indians to embrace republican values, patriarchy, yeoman farming, and individual property rights. The policies included in the civilization plan were highly influential, as the Native South transitioned from an economy built on the deerskin trade into one of cottage industries, plow-based agriculture, and ranching. Through a detailed examination of one Southern Indian community, the Chickasaws, my dissertation defines the civilization plan in terms of the ideology that the federal government envisioned and how the plan was interpreted on the ground level. My work centers …

Go to article

Efficient Generating And Processing Of Large-Scale Unstructured Meshes, Cuong Manh Nguyen Jan 2020

Efficient Generating And Processing Of Large-Scale Unstructured Meshes, Cuong Manh Nguyen

Electronic Theses and Dissertations

Unstructured meshes are used in a variety of disciplines to represent simulations and experimental data. Scientists who want to increase accuracy of simulations by increasing resolution must also increase the size of the resulting dataset. However, generating and processing a extremely large unstructured meshes remains a barrier. Researchers have published many parallel Delaunay triangulation (DT) algorithms, often focusing on partitioning the initial mesh domain, so that each rectangular partition can be triangulated in parallel. However, the comproblems for this method is how to merge all triangulated partitions into a single domain-wide mesh or the significant cost for communication the sub-region …

Go to article

Comparing The Variability Of Natural Sand To The Variability Of Sand Containing A Simulant Land Mine, Anna Marie Mcwhirter Jan 2020

Comparing The Variability Of Natural Sand To The Variability Of Sand Containing A Simulant Land Mine, Anna Marie Mcwhirter

Electronic Theses and Dissertations

Understanding the relationship between excitation sources, buried target (i.e., buried hazard, land mine, acoustic article) response, and soil properties is fundamental to improve laser-ground-vibration sensing methods. This project investigates the natural soil’s behavior under acoustic stimuli and compares soil behavior with a buried target through geostatistical methods. Vibrational velocity of sand is measured with an LDV in a confined box filled with and without a buried target. Geostatistical calculations were performed on standardized data (e.g., background velocity and with-target velocity) sets to observe spatial variability. The standardized background velocity is mean 0 and variance of 1, while the addition of …

Go to article

The Southern Front: Gay Liberation Activists In The U.S. South And Public History Through Audiovisual Exhibition, David Hooper Schultz Jan 2020

The Southern Front: Gay Liberation Activists In The U.S. South And Public History Through Audiovisual Exhibition, David Hooper Schultz

Electronic Theses and Dissertations

This project expands upon the historical work done in the master’s thesis “The Carolina Gay Association, The Southeastern Gay Conferences, and Gay Liberation in the 1970s South,” and builds on its work through an examination of public history’s impact for LGBTQ+ southerners. The audiovisual exhibit, both physically and online, investigates queer southern activism within the context of the Carolina Gay Association and its subsequent conferences, the Southeastern Gay Conferences. The public history work uncovers how activists remember their own involvement within the organization and how they were connected to national conversations surrounding gay liberation. The photography portion of the project …

Go to article

Holding Space: Learning From A Black Art Organization, Tierney Anne Bamrick Jan 2020

Holding Space: Learning From A Black Art Organization, Tierney Anne Bamrick

Electronic Theses and Dissertations

Minority-led nonprofit organizations are marginalized in the United States arts sector, analyses of which rely heavily on data from dominant, often White-led institutional arts organizations. This study seeks to understand the experience of a minority-led arts organization in that context. I ask, what does artistic practice – both creative and organizational – look like for this organization? And what are the implications of that practice for the arts sector more broadly? Drawing on over a year of ethnographic work with The Network, a Black-led arts organization in a southern U.S. city, I argue that their asset-focused treatment of place, their …

Go to article

Building Efficacy In Early-Career Teachers: An Applied Research Study On The Role Of Professional Development On Teacher Efficacy, Duncan Gray Jan 2020

Building Efficacy In Early-Career Teachers: An Applied Research Study On The Role Of Professional Development On Teacher Efficacy, Duncan Gray

Electronic Theses and Dissertations

Teacher efficacy is closely connected to student achievement and teacher retention. The applied research explored how rethinking certain aspects of professional development would impact the efficacy of the teachers in an upper elementary building. The research program included two distinct components. School administrators redesigned after school professional development sessions in order to allow teachers to facilitate their own learning and lead sessions on areas of interest. The second component was a structural model that alloearly-career educators to visit other classrooms. Both of the components shosome promise for increasing teachers’ sense of efficacy, but the response from the after-school sessions was …

Go to article

Narrative Identity In Online Spaces: Selves In 280 Characters Or Less, Adam Louis Paul Jan 2020

Narrative Identity In Online Spaces: Selves In 280 Characters Or Less, Adam Louis Paul

Electronic Theses and Dissertations

The internet age has alloindividuals a degree of self-expression that is more expansive than any other period in history. Through the emergence of social networking sites (henceforth SNS), individuals can tell their stories to their entire social network with unparalleled ease. It is difficult to overstate how far-reaching the implications of this form of widespread communication are with respect to interpersonal communication. Despite this, little work has been done considering how we should think about self-presentation on SNS. The goal of this paper is two-fold: (1) I will defend the position that our narrative identities are constituted by a set …

Go to article

Sheq: Using The Power Of Emotional Intelligence For Success, Jen Shirkani, Steve Friedlein, Angela Bearor, American Institute Of Certified Public Accountants. Women's Initiatives Executive Committee Jan 2020

Sheq: Using The Power Of Emotional Intelligence For Success, Jen Shirkani, Steve Friedlein, Angela Bearor, American Institute Of Certified Public Accountants. Women's Initiatives Executive Committee

Guides, Handbooks and Manuals

No abstract provided.

Go to article

Not-For-Profit Entities Industry Developments - 2020; Audit Risk Alerts, American Institute Of Certified Public Accountants (Aicpa) Jan 2020

Not-For-Profit Entities Industry Developments - 2020; Audit Risk Alerts, American Institute Of Certified Public Accountants (Aicpa)

Industry Guides (AAGs), Risk Alerts, and Checklists

No abstract provided.

Go to article

Determination Of The Gyro-Electric Reflection And Transmission Coefficients In The Fused Quartz Itop Cherenkov Particle Id Detectors At The Belle Ii Experiment, Michael Jeandron Jan 2020

Determination Of The Gyro-Electric Reflection And Transmission Coefficients In The Fused Quartz Itop Cherenkov Particle Id Detectors At The Belle Ii Experiment, Michael Jeandron

Electronic Theses and Dissertations

The thesis presents new results for the reflection and transmission coefficients for Cherenkov photons in a strong magnetic field at the interface between the fused quartz of and the surrounding nitrogen gas within the iTOP particle detector, a sub-system of the Belle II experiment. The iTOP is a component of the particle identification system at Belle II which distinguishes between kaons and pions in final states after collision. These coefficients are important in understanding how photons propagate through the iTOP taking into consideration polarization at the reflection and transmission interfaces in the Belle II magnetic field because the polarization affects …

Go to article

A War Of Ideas: L.Q.C. Lamar And American Political Thought, Ashley Steenson Jan 2020

A War Of Ideas: L.Q.C. Lamar And American Political Thought, Ashley Steenson

Electronic Theses and Dissertations

This thesis connects late nineteenth-century southern Democrat and former Confederate L.Q.C. Lamar to the status politics of the Northeastern “small imperialist elite.” Moreover, this work traces Senator, Secretary of the Interior, and Associate Justice Lamar’s legacies in American political thought, such as a regional memorialization and the example of his national influence through the policies of President Theodore Roosevelt specifically. Though he inspired generations of politicians with varying views, Lamar himself maintained a strict constructionist political philosophy and worked for home rule throughout his career. Scholars argue for Lamar as a moderate symbol of national reconciliation due to his eulogy …

Go to article

Learning Lineage And The Problem Of Authenticity In Ozark Folk Music, Kevin Lyle Tharp Jan 2020

Learning Lineage And The Problem Of Authenticity In Ozark Folk Music, Kevin Lyle Tharp

Electronic Theses and Dissertations

ABSTRACT Thorough examination of the existing research and the content of ballad and folk song collections reveals a lack of information regarding the methods by which folk musicians learn the music they perform. The centuries-old practice of folk song and ballad performance is well-documented. Many Child ballads and other folk songs have been passed down through the generations. Oral tradition is the principal method of transmission in Ozark folk music. The variants this method produces are considered evidence of authenticity. Although alteration is a distinguishing characteristic of songs passed down in the oral tradition, many ballad variants have persisted in …

Go to article

Formulation And Optimization Of Fingolimog Hydrochloride Nanoemulsion, Rama Avinash Kashikar Jan 2020

Formulation And Optimization Of Fingolimog Hydrochloride Nanoemulsion, Rama Avinash Kashikar

Electronic Theses and Dissertations

The goal of the present study was to develop a nanoemulsion (NE) system for efficient and prolonged delivery of Fingolimod Hydrochloride (FTY720; FT), to the posterior segment of the eye through the topical route. FT is a sphingosine-1-phosphate receptor agonist, an immunosuppressive agent. FT loaded NE (FT-NE) formulations were prepared with the homogenization method, using Soybean oil as lipid, Tween® 80 and Poloxamer 188 as surfactants. FT-NE were optimized based on particle size, zeta potential (ZP), Polydispersity Index (PDI) and assay. optimized FT-NE formulation were further evaluated for in vitro release and transcorneal in comparison with FT solution (FT-S) formulation, …

Go to article

It's A Cis-Gendered Man's World: How Drag Kings Define Good Drag In Their Fight To Be Seen As The Best Performers, Madison Shappley Jan 2020

It's A Cis-Gendered Man's World: How Drag Kings Define Good Drag In Their Fight To Be Seen As The Best Performers, Madison Shappley

Electronic Theses and Dissertations

This research is based on field observations in Ridgeville, a Southern city, at an LGBTQ bar, that I call Rainbow Bar and on in-depth interviews with Rainbow Bar drag performers. Through my study at Rainbow, I set out to answer: 1) What do drag kings consider to be “good drag” for themselves and for other kings?; and 2) Who is considered to have the best drag? And who determines what the best drag is? I found that Ridgeville drag kings felt as though they had to work harder than Ridgeville queens in their drag. To have good drag, Ridgeville kings …

Go to article

First Prev Next Last