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Articles 2011 - 2040 of 50612
Full-Text Articles in Entire DC Network
An In Depth Examination Of Educational, Family, Economic, And Personal Determinants On Academic Performance, Engagement, And Stress: A Comprehensive Study Among Engineering Students, Oumaima Larif
Theses and Dissertations
This study explores the effects of family, education, economic, and personal factors on students’ decisions to pursue engineering as a profession and their long-term impact on performance as engineering students. We adopted a mixed-method approach, collecting data through surveys administered to undergraduate and graduate engineering students at Mississippi State University. The study results revealed that family, education, economic, and personal factors profoundly influence students' decisions to study engineering. We found that parental expectations, background information, and socioeconomic status, in conjunction with cultural norms, values, gender expectations, and religious beliefs, affect students. Additionally, this study identified gaps in the existing literature …
Best Practices In Community College Adult Education: Literature Review And Synthesis, Jon H. Lightsey
Best Practices In Community College Adult Education: Literature Review And Synthesis, Jon H. Lightsey
Theses and Dissertations
This study emphasizes the importance of adult education students and the critical lack of knowledge about promoting their success on satellite campuses in rural and low socioeconomic areas. This study aims to investigate best practices in adult education at community colleges to maintain the number of students enrolled until their program or training is completed. The high School Equivalency Diploma options include the GED, HiSET, and Competency-Based High School Equivalency Option. The results indicate adult education students might be more successful if they received the support services needed, such as counseling, tutoring, time management, and goal setting. This literature review …
Taking Flight: Utilizing Unmanned Aerial Systems To Sample Insects In Soybean, William "Covey" Lockhart
Taking Flight: Utilizing Unmanned Aerial Systems To Sample Insects In Soybean, William "Covey" Lockhart
Theses and Dissertations
Insect scouting in soybean is a labor-intensive task but is needed throughout the season to minimize losses. When soybeans are tall, soils are wet, or soybeans are planted in narrow rows, walking through these fields can be difficult. To overcome these limitations of manual sampling, an unmanned aerial vehicle (UAV) sampling platform was developed that can collect insects in a sweep net attached to the bottom of a UAV. This system has been named the “Drone Insect Net Sampling System” (DINSS). Previous research with this system has shown positive correlations to traditional manual sampling methods. To improve this system, modifications …
Evaluation Of Soybean (Glycine Max (L.) Merr.) Yield Potential Following Simulated Population Loss And Replant Strategies, William Paul O'Neal
Evaluation Of Soybean (Glycine Max (L.) Merr.) Yield Potential Following Simulated Population Loss And Replant Strategies, William Paul O'Neal
Theses and Dissertations
Soybean producers are often faced with challenges regarding stand loss situations that can be caused by many different things. Often, in a replant situation, producers must decide if it is best to keep the failed stand without replanting, keep the failed stand and replant at a lower rate, or terminate the failed stand and replant at a full rate. Therefore, the objectives of this research were to evaluate soybean yield potential following differing levels of simulated stand loss as well as to evaluate soybean yield potential following simulated stand loss with different levels of replant. Experiments were conducted in 2023 …
An Overview Of Global Navigation Satellite System Reflectometry In Coastal Wetlands, Luke Andrew Redwine
An Overview Of Global Navigation Satellite System Reflectometry In Coastal Wetlands, Luke Andrew Redwine
Theses and Dissertations
With rising global temperatures, increasing sea levels, and the accelerated erosion of coastal wetlands, efficient methods for monitoring this vulnerable ecosystem are crucial. Traditional approaches, such as manual surveys, are labor-intensive, hazardous, and invasive to the environment they are attempting to protect, while current remote sensing methods are cost prohibitive and rely on irregular data collection techniques. To address these challenges, a scalable solution is needed for reliable and frequent data collection. This study explores the use of GNSS Reflectometry (GNSS-R) combined with unmanned aerial vehicles (UAVs) to monitor the shifting topology in wetlands with minimal human invasion. By leveraging …
The Relationship Between Internal Coherence And Student Learning In High Achieving Middle Schools: A Mississippi Study, Christina Coleman Reynolds
The Relationship Between Internal Coherence And Student Learning In High Achieving Middle Schools: A Mississippi Study, Christina Coleman Reynolds
Theses and Dissertations
In order to determine ways in which Mississippi is improving in education, a quantitative research study was designed and conducted to examine ten high achieving middle schools in the state. The 10 schools had to obtain an A ranking or B ranking for the 2021-2022 school year and/or 2022 – 2023 school year from the MDE. The purpose of the study was to determine if relationships existed between the student achievement scores (Reading Proficiency, Reading Growth, Math Proficiency, and Math Growth) assigned by the state to each school and levels of Internal Coherence of the administrators and staff employed in …
Application Of Pu Learning In Detection Of Ddos Attacks, Gagana Sathya Narayana Prasad
Application Of Pu Learning In Detection Of Ddos Attacks, Gagana Sathya Narayana Prasad
Theses and Dissertations
The gcore radar 2024 says, the number of DDoS attacks has been increased by 46% in 12 months. Supervised and unsupervised techniques struggle detecting DDoS attacks due to the scarcity of labeled attack samples and an overwhelming presence of benign traffic. In contrast PU- Learning offers a promising solutions by dividing the data into positive and unlabeled data. This study explores the effectiveness of PU-learning in detecting DDoS attacks by comparing it with unsupervised methods. This method employs PU Bagging, Two Step method and auto-encoder based models to extract meaningful patters from network traffic data, utilizing CICDDoS2017 dataset for evaluation. …
Costs And Challenges In The Mississippi Log Trucking Industry, James Tucker Shannon
Costs And Challenges In The Mississippi Log Trucking Industry, James Tucker Shannon
Theses and Dissertations
Challenges impacting Mississippi log trucking businesses include escalating production costs, labor shortages, aging ownership, and rising liability insurance premiums. These concerns are transmitted back to loggers, landowners, and the entire forest products industry, reducing their contributions to the state’s economy. Lack of current knowledge concerning the adaptation of Mississippi log trucking companies under adverse business conditions necessitated a statewide mixed-mode survey to determine the industry’s structure, the nature of liability insurance premiums, and business owner perceptions about driver hiring and profitability. Mississippi log trucking business owners and drivers were predominantly middle-aged, with fewer individuals under the age of 40. Log …
Impact Of Fertilizer Timing And Cover Crop Establishment Methods On Bedded Soybean Cropping Systems In Mississippi, Grant Madison Shavers
Impact Of Fertilizer Timing And Cover Crop Establishment Methods On Bedded Soybean Cropping Systems In Mississippi, Grant Madison Shavers
Theses and Dissertations
Mississippi’s agriculture faces challenges from high rainfall, bedded cropping systems, and varying soil testing methods. Many producers apply phosphorus (P), potassium (K), and sulfur (S) in the fall to reduce spring workload and rain-related delays. While fall fertilization raises concerns about yield losses, research indicates minimal differences in soybean (Glycine max L.) yield between fall and spring applications. Raised beds also limit cover crop (CC) establishment despite their potential benefits. We explored strategies to integrate CCs into bedded systems while assessing bed stability and residue management during soybean production. Additionally, Mississippi’s use of two soil nutrient extraction methods highlights the …
An Exploratory Mixed-Methods Investigation Of Previous Sexual Health Communication Between Lesbian, Gay, Bisexual, Or Queer Young Adults And Their Parents, Haley Elizabeth Solace
An Exploratory Mixed-Methods Investigation Of Previous Sexual Health Communication Between Lesbian, Gay, Bisexual, Or Queer Young Adults And Their Parents, Haley Elizabeth Solace
Theses and Dissertations
Research suggests parent-child communication about sexual health can promote positive sexual health outcomes (e.g., Estrada-Martinez et al., 2020; Jayne et al., 2021); however, parent-child sexual health conversations are often infrequent and heteronormative (Estes, 2017). Few studies explore sexual health communication between LGBQ youth and their parents. This study explores previous experiences with parent-child sexual health communication between seven LGBQ young adults, aged 18 to 26, and four of their heterosexual mothers, to better understand parent-child sexual health communication and differences between parental-child reflections. Findings suggest LGBQ young adults and parents recall similar experiences, however, perceived discomfort and parental competency differently. …
“Here For Everyone” (?): How Intimate Partner Violence Service Organizations Address Community Needs And Transgender Inclusion In The Deep South, Brian Tesch
Theses and Dissertations
Transgender individuals face disproportionately high rates of intimate partner violence (also known as IPV) when compared to other sociodemographic groups. Despite this prevalence, IPV service organizations in the Deep South (e.g., Alabama, Georgia, Louisiana, Mississippi, and South Carolina), a region of the U.S. encompassing several rural communities and characterized by traditional gender norms and conservative Christian religious values, may have difficulties meeting the unique needs of transgender IPV survivors. This dissertation explores two key areas: (1) the perceptions of IPV service organization staff members in the Deep South concerning how their agencies assist members of the transgender community, and (2) …
Adjuvants To Improve Pre- And Postemergence Weed Control In Soybean, Sydney Baker
Adjuvants To Improve Pre- And Postemergence Weed Control In Soybean, Sydney Baker
Theses and Dissertations
Cover crops provide soybean producers with multiple benefits; however, cover crop residue can impose a physical barrier for herbicide spray droplets and hinder the deposition and performance of soil-applied residual herbicides. Adjuvants are routinely mixed with herbicides to improve weed control performance and may provide a way to help the spray droplets overcome the barrier that the cover crops impose. This research evaluated the effectiveness of several soil applied herbicide-adjuvant combinations to control Amaranthus spp. L., Sida spinosa L., and [Echinochloa crus-galli (L.) P. Beauv.] in soybean and the effectiveness of two surfactants for improving preemergence herbicide efficacy in a …
Evaluation Of Plant Growth Regulators On Sweetpotato Slip Propagation, Kerington Lyn Bass
Evaluation Of Plant Growth Regulators On Sweetpotato Slip Propagation, Kerington Lyn Bass
Theses and Dissertations
Sweetpotato production is often impacted by high mortality of slips during transplantation to the field, particularly with greenhouse-grown slips. These slips develop thinner stems, thus being more vulnerable to transplant shock, resulting in reduced establishment. To address this issue, the study evaluated the effects of four plant growth regulators on the morphological and anatomical characteristics of sweetpotato slips. In the first experiment, external growth parameters were recorded over four weeks, followed by post-harvest assessments of plant and root material. In the second experiment, the widths of various stem structures in stained cross-sections of slip stems were measured. Results showed that …
The Influence Of Nature On Design: A Focus On The Flora And Fauna Influence On 18th And 19th Century Decorative Arts, Rachel Ann Bozeman
The Influence Of Nature On Design: A Focus On The Flora And Fauna Influence On 18th And 19th Century Decorative Arts, Rachel Ann Bozeman
Theses and Dissertations
This study aims to assist interior designers and preservationists in enhancing interior decoration by appreciating decorative arts in a historically accurate and visually appealing manner. It places a strong emphasis on the profound influence of nature on design. For centuries, creatives have drawn inspiration from nature, leading to the creation of unique design elements and decorative objects. In the eighteenth and nineteenth centuries, naturalists produced floral and faunal prints that reflected this inspiration. Nature's impact on design extends beyond aesthetics; it also affects how individuals feel within a space. The environment one person inhabits influences his or her state of …
The Effect Of Ultrasound Transducer Type On Diagnosing Medial Meniscal Injury In Dogs With Cranial Cruciate Ligament Injury, Thomas Campbell
The Effect Of Ultrasound Transducer Type On Diagnosing Medial Meniscal Injury In Dogs With Cranial Cruciate Ligament Injury, Thomas Campbell
Theses and Dissertations
Ultrasonography is reported to be accurate in diagnosing meniscus injuries in dogs but the effect of transducer type has not been studied. The aim was to determine the effect of ultrasound transducer type on utility of meniscal ultrasound. We hypothesized that ultrasonography will provide good diagnostic utility for meniscal injury and that linear transducers will perform best. In this prospective study, the ultrasonographic findings of the medial meniscus using three transducers were compared to arthrotomy findings. Thirty-nine stifles were included with an injury prevalence of 23/39 (59%). The standard linear transducer provided the highest negative predictive value (60%). The small …
The Effects Of Ataxin-1 Overexpression In The Central Nervous System On Specific Behavioral And Physiological Characteristics Of Drosophila Melanogaster, Sydney Davis
Theses and Dissertations
Spinocerebellar ataxia type 1 (SCA1) is a dominantly inherited neurodegenerative disease caused by a CAG repeat expansion in the ataxin-1 gene, which results in an abnormally long polyglutamine tract. Similarly, overexpression of wildtype Ataxin-1 (wt-Atx-1) in Drosophila melanogaster leads to neurodegeneration, reduced lifespan, and impaired negative geotaxis. Observations include disruptions in sleep-wake cycles, increased oxidative stress biomarkers (like protein carbonyls), and dysregulation of developmental genes such as armadillo (arm) and nemo kinase (nmo). Additionally, elevated expression of SUMOylation-related genes (Aos-1, Uba2, and dSmt3 or dSumo) and increased SUMO protein levels indicate enhanced SUMOylation in the brain. Quantitative analysis of neuronal …
Impact Of An Automated Brush System On Intensively Managed Lactating Dairy Cattle Behavior, Production, And Stress Physiology, Allison Lyn Griffin
Impact Of An Automated Brush System On Intensively Managed Lactating Dairy Cattle Behavior, Production, And Stress Physiology, Allison Lyn Griffin
Theses and Dissertations
The dairy industry has increasingly prioritized improving animal welfare for intensively housed cows. This study evaluated the effects of environmental enrichment (EE) using an automated brush system on stress physiology, behavior, and productivity of lactating dairy cows. Fifty-nine pregnant and lactating dairy cows were divided into two groups: CON (no brush) and TRT (automated brush system). Saliva samples were collected to measure cortisol concentrations, and behaviors were monitored in the morning (07:00 h - 11:00 h) and evening (19:00 h - 23:00 h) using high-resolution cameras. The results indicated that cows with brush access had lower cortisol concentrations, suggesting reduced …
Exploring Sexual Dimorphism In A Drosophila Melanogaster Model Of Spinocerebellar Ataxia Type 1, Madelyn Hunter
Exploring Sexual Dimorphism In A Drosophila Melanogaster Model Of Spinocerebellar Ataxia Type 1, Madelyn Hunter
Theses and Dissertations
Neurodegenerative diseases affect over 36 million people and are characterized by loss of motor control, neuronal degradation, and behavioral changes. The most common of these diseases exhibit sexually dimorphic effects. In this study, Spinocerebellar ataxia type 1 (SCA1) was modeled in the Drosophila central nervous system using the yeast hybrid UAS/GAL4 system. Locomotor activity and clock gene expression was monitored for male and female SCA1 and control flies. Clock genes such as per, tim, Clk, and cyc were monitored over a 24-hour period using qRT-PCR, and distinct sexual dimorphism was detected in locomotor activity and in gene expression for SCA1 …
Wildfire Hydrologic Impacts, Kathleen E. Inman
Wildfire Hydrologic Impacts, Kathleen E. Inman
Theses and Dissertations
Wildfires are essential processes for certain ecosystems but are increasing in severity and occurrence. These increases are negatively changing hydrology. Anticipating the hydrologic changes is necessary for management of effected watersheds, infrastructure, and downstream users. This study hypothesized land cover changes post-fire would increase water temperature and discharge in burned watersheds located in the Willamette Basin. This study (1) evaluated the change in estimated curve numbers (CN) from land cover pre-fire and post-fire to assess expected runoff impacts in watersheds, and (2) identified the significance of actual water temperature and discharge changes using non-parametric statistical analysis. An unburned watershed and …
Semantic Segmentation Via Transfer Learning For Off-Road Data, Haley Breann Honigfort
Semantic Segmentation Via Transfer Learning For Off-Road Data, Haley Breann Honigfort
Theses and Dissertations
In autonomous driving, utilizing deep learning models to help make decisions has become a popular theme, particularly in the realm of computer vision. Deep learning models are heavily influenced to make decisions based on the environments in which they are trained. Currently, very few datasets exist for off-road autonomy that include visual semantic segmentation labels. Traditional semantic segmentation requires hand-labeling large imagery datasets or using synthetically generated imagery to train a model. This study aims to apply transfer learning techniques to automatically label a new off-road dataset. That objective will be accomplished in two phases: first, by utilizing pre-existing labels …
A Systematic Literature Review Of The Implementation Of High-Quality Instructional Materials (Hqims) In K-12 Education, Melanie Jackson
A Systematic Literature Review Of The Implementation Of High-Quality Instructional Materials (Hqims) In K-12 Education, Melanie Jackson
Theses and Dissertations
The implementation of High-Quality Instructional Materials (HQIMs) in K–12 education is essential for promoting equitable and effective learning outcomes. Additionally, HQIMs ensure that students are engaged with grade-level material, which is critical for achieving mastery of grade-level standards, thereby fostering deeper understanding and academic success across all student populations. However, challenges such as misalignment with curriculum standards, insufficient professional development, limited teacher buy-in, and resource disparities continue to hinder successful implementation. This study aims to examine these barriers and identify evidence-based strategies to support effective HQIMs implementation. Specifically, this research seeks to answer the question: "What are the key factors …
Russia In The Mena Region: Why Do States Draft Defense Cooperation Agreements With Non-Contiguous States?, Laurel Jayes
Russia In The Mena Region: Why Do States Draft Defense Cooperation Agreements With Non-Contiguous States?, Laurel Jayes
Theses and Dissertations
This paper investigates the reasons behind the disparity in the signing of Defense Cooperation Agreements (DCAs) among MENA countries. Western sanctions and financial dependence on Russia are the two primary factors used in the research to evaluate scenarios using a Boolean method and a Most Similar Systems Design (MSSD). While states that depend on Russian energy exports may align more closely with Moscow for strategic and economic gains, the paper examines how states under Western sanctions frequently look to Russia for alternative security relationships. Case studies that illustrate the circumstances under which MENA states seek formal defense connections with Russia …
Designing An Instructional Coaching Model For Residency-Based Alternate Route Teacher Candidates In Mississippi To Improve Instructional Competencies And Self-Efficacy, Lamareshia Daoma Johnson
Designing An Instructional Coaching Model For Residency-Based Alternate Route Teacher Candidates In Mississippi To Improve Instructional Competencies And Self-Efficacy, Lamareshia Daoma Johnson
Theses and Dissertations
Alternate route teachers are adult learners who enter the teaching profession through nontraditional pathways, often without formal training in education. While they bring diverse experiences and a commitment to student success, they frequently face challenges in translating theoretical knowledge into effective classroom practice. Research indicates that instructional coaching serves as a critical bridge between pedagogical theory and practical application, providing job-embedded professional development that enhances instructional competencies. At its core, instructional coaching is a collaborative partnership built on trust and respect, offering teachers a supportive space to reflect on their practice, receive targeted feedback, and develop their professional identity. Alternate …
Apatite Entrapment Of Iodine For Nuclear Waste Disposal Applications, William E. Laird
Apatite Entrapment Of Iodine For Nuclear Waste Disposal Applications, William E. Laird
Theses and Dissertations
The purpose of this thesis is to provide baseline knowledge of iodine incorporation into calcium phosphate minerals, specifically apatite. Iodine-129 is a fission product in Spent Nuclear Fuel (SNF) that can administer significant amounts of radiation in small quantities. Apatite (Ca10(PO4)6 (OH, F, Cl)) has been studied for the use of radionuclide confinement. Experimental design was set up to mimic temperatures expected in geologic repositories from 40 to 250℃. Experiments are broken into 2 groups based on iodine species being examined. The first group focuses on iodate (IO3-) which is prevalent under oxidized conditions, and the second handles iodide (I-) …
Research Advancement Of Guayule Resin As A Natural Wood Preservative, Abigael Nasimiyu Laisa
Research Advancement Of Guayule Resin As A Natural Wood Preservative, Abigael Nasimiyu Laisa
Theses and Dissertations
Increasing concerns about human health and the environment have led to raised demand for eco-friendly wood preservatives. Guayule resin, extracted from Parthenium argentatum plant contains insecticidal and antifungal compounds making it a promising natural wood preservative. This study evaluated suitable carrier system for guayule resin, as well as leaching rate and termite resistance of treated yellow poplar and southern pine specimens. Wood specimens were treated with different concentrations of guayule in acetone, toluene, and ethyl acetate using vacuum impregnation. The leaching behavior and termite resistance of the treated specimens were assessed according to the AWPA Standard E11-16 and AWPA Standard …
Just Do Something: Framing A Movement To Fight Fascism, Heather-Ann Layth
Just Do Something: Framing A Movement To Fight Fascism, Heather-Ann Layth
Theses and Dissertations
This study seeks to better understand antifascist activism, in part to add sociological perspectives to the antifascist movement and better understand a group publicly maligned by negative portrayals by politicians and the media. This study is important because fascism is already doing real damage to marginalized Americans and represents a real threat of further identitarian and authoritarian oppression. Yet, the movement against growing fascism has been painted as a boogeyman in the public eye. Efforts to stop neo-Nazis and white supremacists from gathering are not discussed in terms of fighting fascism but rather in terms which criminalize and demonize antifascists. …
Cyber Security Threat Recognition And Preparedness Of Undergraduate Students, Litany Hope Lineberry
Cyber Security Threat Recognition And Preparedness Of Undergraduate Students, Litany Hope Lineberry
Theses and Dissertations
Cybersecurity awareness and preparedness are critical competencies for individuals across academic disciplines and professional sectors. However, undergraduate students often lack sufficient knowledge and skills to recognize and mitigate cybersecurity threats. This dissertation examines cybersecurity threat recognition and preparedness among undergraduate students through a three-phase research approach. Study 1 explores faculty perspectives on students' cybersecurity awareness, identifying gaps in knowledge and preparedness across various fields of study. Study 2 investigates industry professionals' perceptions of new hires’ cybersecurity readiness, assessing the alignment between academic training and industry expectations. Study 3 evaluates the effectiveness of an online intervention designed to enhance students' cybersecurity …
Asphalt Durability Improvements By Way Of Specification Advancements, Jessica V. Lewis
Asphalt Durability Improvements By Way Of Specification Advancements, Jessica V. Lewis
Theses and Dissertations
The objective of this dissertation is to provide content through which industry and agencies can adjust and/or update standards and specifications, as appropriate, to accommodate the present-day needs of the asphalt industry towards producing more durable asphalt. A total of 78 asphalt mixtures and 9 asphalt binders were evaluated for up to 10 years of field aging to provide content that was analyzed to meet this objective. A full-scale aging site in Columbus, Mississippi was the focal point of the aging experiments. A major conclusion from this work was that Cantabro Mass Loss (CML) testing of cores was able to …
Advancing Wood Chip Moisture Content Prediction Using Advanced Generative Ai Techniques, Daniel Esteban Marulanda
Advancing Wood Chip Moisture Content Prediction Using Advanced Generative Ai Techniques, Daniel Esteban Marulanda
Theses and Dissertations
In this study we propose a deep learning method to optimize the classification of wood chip moisture content levels using the Vision Transformer and then ultimately increase the classification performance by creating synthetic images using the diffusion transformer model. In the first chapter of our study, we complete a detailed explanation of how the moisture content levels of 10 different wood chips were gathered ranging from 2 to 50$\%$. This chapter serves as a foundation for subsequent sections, illustrating the challenges associated with the current data collection process, which is both time-consuming and inefficient. Accurately determining moisture content for wood …
Investing In Your Own: How University Leaders Should Aim To Invest To Retain Quality Staff In Undergraduate Recruitment Offices, Grant Alexander Nerren
Investing In Your Own: How University Leaders Should Aim To Invest To Retain Quality Staff In Undergraduate Recruitment Offices, Grant Alexander Nerren
Theses and Dissertations
This quantitative narrative inquiry study examined the experiences of undergraduate recruitment professionals, and the impact institutional investment can influence staff retention of these professionals within higher education. Using Job Embeddedness Theory often applied within private industry and Bolman and Deal’s (2017) human resource theoretical framework, the research question was: To what extent are specific dimensions (support, compensation, professional advancement) of institutional investment related to the retention of undergraduate recruitment professionals within higher education? Data were collected using an anonymous online survey that was shared with potential participants via email. Responses were analyzed through SPSS software using item-level and composite score …