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2020 Fall Commencement, Georgia Southern University

Commencement Programs

No abstract provided.

Benefits Of Using Lesson Study For Sotl, Cross-Disciplinary Research, And Assessment, M. Lauren Wahman, Amber Burkett Peplow, Rita Kumar, Brenda Refaei

International Journal for the Scholarship of Teaching & Learning

Lesson study is a technique that helps faculty examine student learning that encourages scholarly teaching. In lesson study, faculty identify a concept and develop a lesson plan to support student learning of the concept. The opportunity to collaborate on lesson development and to examine student learning opens up a space for faculty to exchange ideas about effective teaching. Most faculty do not have opportunities to collaborate on their teaching at this deeper level, but a lesson study project provides guidance for instructors to explore student learning in-depth. This article examines how lesson study provides opportunities for college faculty to engage …

The Genesis, Evolution, And Influence Of Undergraduate Research Mentoring Relationships, Shannon N. Davis, Rebecca M. Jones

International Journal for the Scholarship of Teaching & Learning

Undergraduate research has been documented as yielding valuable student learning outcomes. While the outcomes have been extensively investigated, the development and characteristics of the relationship with the research mentor has received less attention. To better understand how participating in undergraduate research yields substantial benefits to students, we need to elucidate the relationship between students and their research mentors. Using survey and focus group data from a select group of undergraduate researchers at one research university, we investigated the origins of undergraduate research mentoring relationships, the development of those relationships over time, and how the characteristics of the mentoring relationship yielded …

Perspective As A Threshold Concept In Business Communication, Kristen M. Getchell, Paula J. Lentz

International Journal for the Scholarship of Teaching & Learning

In this article, the authors present the notion of perspective as a threshold concept in business communication. Using an SoTL framework, the researchers explore the effect of teaching threshold concepts in a summary writing assignment in a foundational business communication class. Working with a close reading methodology, the authors examine the context of perspective as a threshold concept by analyzing students’ summary samples for gender bias and explore how close reading can support further research into threshold concepts in business communication.

Syllabus Language, Teaching Style, And Instructor Self-Perception: Toward Congruence, Christopher Richmann, Courtney Kurinec, Matthew Millsap

International Journal for the Scholarship of Teaching & Learning

As with all language, the words of a syllabus carry emotional associations. Previous literature has not objective-ly measured the emotional associations of syllabus language or explored the relationship between instructors’ teaching style and the emotional associations of syllabus language. Using the Pleasure-Arousal-Dominance (PAD) framework, this article reports baseline measurements for syllabus language, investigates the relationship be-tween Grasha’s teaching styles and instructors’ self-perceived emotional associations with teaching, and compares instructors’ self-perceptions with the emotional associations of their syllabus language. Moderate correlations between teaching PAD scores and Grasha’s teaching style inventory suggest the emotion that may connect with concrete teaching attitudes and …

Comparing Mastery-Based Testing With Traditional Testing In Calculus Ii, Amanda Harsy, Alyssa Hoofnagle

International Journal for the Scholarship of Teaching & Learning

The authors present the results of quantitative data and student feedback from a two-year study of the effects of a new assessment model called “mastery-based testing.” In mastery-based testing, students are given problems in which they can only receive full credit for the problem after they demonstrate mastery of the objective being assessed. This method strives to increase complete understanding of concepts through a growth-mindset approach to learning in addition to helping alleviate math anxiety. In this study, we compare the impact of mastery-based testing with traditional testing in six Calculus II classes. The data sources for the project included …

Electrolytic Oxidative Coupling Of Alcohols With Aldehydes To Form Esters, Katherine L. Verboom

Honors College Theses

There are copious amounts of naturally occurring and synthetic esters known that have a wide range of applications in industry to produce fine chemicals. Traditional methods of ester synthesis involve a reaction between a carboxylic acid and an alcohol in the presence of a Bronsted acid catalyst. The primary objective of this research project was to carry out the ester synthesis using the electrochemical coupling of aldehydes with alcohols instead of with a Bronsted acid catalyst because the electrochemical coupling would be an all-around better alternative of ester synthesis than the traditional method of using the catalyst. Electrochemistry has long …

Applying Quantitative Reasoning To Clarify Arc Measurements, David Glassmeyer, Daniel Barton

Georgia Educational Researcher

The importance of reasoning quantitatively is reflected in both mathematics education research and mathematical standards for K-12 students. In this article, we detail how a quantitative reasoning framework can be used to help differentiate two quantities we have found students often struggle with: arc length and the measure of a central angle. We argue that taking the time to define all four components of a quantity can support students’ understanding of theorems involving these quantities.

Testing For All: An Exploration Of Disproportionality In The Georgia Alternate Assessments, Kelly D. Childers, Meagan Arrastia-Chisholm, Katharine S. Adams, Heather M. Kelley Ph.D.

Georgia Educational Researcher

Public schools use standardized testing to measure students’ academic achievement at the conclusion of each school year. Students with severe cognitive disabilities are evaluated through the Georgia Alternate Assessment (GAA). The purpose of this descriptive study was to describe the demographic characteristics of students who took the Georgia Alternate Assessment (GAA) and students who took the Georgia Milestones End of Grade Assessment (EOG) in English/Language Arts using publicly available data from the 2014-2015 academic year. Additionally, the study investigated disproportionality of certain student groups who took the GAA and EOG in English/Language Arts. A series of chi-square analyses resulted in …

2019-2020 Georgia Southern University Women's Basketball Media Guide, Georgia Southern University

Women's Basketball Records

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2020-2021 Faculty Senate, Committees, And University Committees, Georgia Southern University

Faculty Senate: Membership Lists

No abstract provided.

Public Perception Of Different Planting Techniques Using Augmented Reality, Sultana Quader Tania

College of Graduate Studies: Theses & Dissertations

The objective of this study was to measure public perception of the different planting techniques (block and matrix), which are used at visitor information centers (VICs) and other rights of way (ROW) areas. The main factors that affect public perception of planting techniques were identified through an extensive literature review and qualitative survey from four welcome centers in the state of Georgia. The ranking of those indicators, based on public preferences, was discovered through a quantitative survey. During the first phase of the quantitative survey, images of block and matrix were used. An iOS-based user-friendly and cost-effective augmented reality (AR) …

Predicting Student Sustainability Knowledge, Attitudes, And Behaviors: Effects Of Demography, Environmental Science Education, And Sustainability Intervention Programs At Georgia Southern University, Bailey Chandler

College of Graduate Studies: Theses & Dissertations

This mixed-methods research approach assesses trends in sustainability knowledge, attitudes, and behaviors in the student population at Georgia Southern University (GS). Students completed a baseline survey in order to determine their knowledge and attitudes about sustainability and what sustainable behaviors they perform. A total of 1,328 useable responses to the baseline survey were gathered. Effects of race, academic class, gender, and prior completion of an environmental science course were tested, as well as the effect of campus (Statesboro and Armstrong). Previously taking an environmental science course and race/ethnicity were the two strongest indicators of knowledge score. Males scored higher than …

Nonparametric Misclassification Simulation And Extrapolation Method And Its Application, Congjian Liu

College of Graduate Studies: Theses & Dissertations

The misclassification simulation extrapolation (MC-SIMEX) method proposed by Küchenho et al. is a general method of handling categorical data with measurement error. It consists of two steps, the simulation and extrapolation steps. In the simulation step, it simulates observations with varying degrees of measurement error. Then parameter estimators for varying degrees of measurement error are obtained based on these observations. In the extrapolation step, it uses a parametric extrapolation function to obtain the parameter estimators for data with no measurement error. However, as shown in many studies, the parameter estimators are still biased as a result of the parametric extrapolation …

Generalization Of Kullback-Leibler Divergence For Multi-Stage Diseases: Application To Diagnostic Test Accuracy And Optimal Cut-Points Selection Criterion, Chen Mo

College of Graduate Studies: Theses & Dissertations

The Kullback-Leibler divergence (KL), which captures the disparity between two distributions, has been considered as a measure for determining the diagnostic performance of an ordinal diagnostic test. This study applies KL and further generalizes it to comprehensively measure the diagnostic accuracy test for multi-stage (K > 2) diseases, named generalized total Kullback-Leibler divergence (GTKL). Also, GTKL is proposed as an optimal cut-points selection criterion for discriminating subjects among different disease stages. Moreover, the study investigates a variety of applications of GTKL on measuring the rule-in/out potentials in the single-stage and multi-stage levels. Intensive simulation studies are conducted to compare the performance …

Accurate Range-Based Indoor Localization Using Pso-Kalman Filter Fusion, Paul Bupe Jr

College of Graduate Studies: Theses & Dissertations

Accurate indoor localization often depends on infrastructure support for distance estimation in range-based techniques. One can also trade off accuracy to reduce infrastructure investment by using relative positions of other nodes, as in range-free localization. Even for range-based methods where accurate Ultra-WideBand (UWB) signals are used, non line-of-sight (NLOS) conditions pose significant difficulty in accurate indoor localization. Existing solutions rely on additional measurements from sensors and typically correct the noise using a Kalman filter (KF). Solutions can also be customized to specific environments through extensive profiling. In this work, a range-based indoor localization algorithm called PSO - Kalman Filter Fusion …

Dare We Speak Of It: The Teaching Of Evolution In Private Schools Of An Urban Middle Georgia Setting, Eric J. Thompson

College of Graduate Studies: Theses & Dissertations

ABSTRACT

The purpose of this study was to explore the perceptions, experience, and thinking of teachers at three private schools in Middle Georgia to determine how different private schools approach the teaching of evolution. For this project three private schools were included representing a secular, non-religiously affiliated private school, a Catholic affiliated private school, and an independent, Christian private school. The research was designed to answer one research question and three sub-questions. The primary research question was: How do private schools of the Middle Georgia area teach the theory of evolution? The three sub-questions were (2) Does the type of …

Who Deserves To Be In Stem? How Threat And Confirmation Of The Gender Hierarchy Impact Helping Behavior Towards Prospective Stem Majors, Samantha A. Gnall

College of Graduate Studies: Theses & Dissertations

Current events that either threaten or confirm the current gender hierarchy may impact people differently. This can depend upon one’s group membership and their attitudes towards a fair and just society. When people are asked to help others while facing uncertainty of the hierarchy, they may choose to help or lash out in an effort to re-establish the hierarchy or dismantle the hierarchy. STEM faculty were presented with information that either did not threaten the gender hierarchy (i.e., maintaining gender inequality) or that threatened the current gender hierarchy (i.e., reaching gender equality). Participants were then given an opportunity to offer …

Prediction Of The Compressive Strength And Dynamic Modulus Of Fiber Reinforced Concrete By Ultrasonic Pulse Velocity Measurement At Early Ages, Daniel A. Castillo Pereira

College of Graduate Studies: Theses & Dissertations

This research investigates the relationship between early age ultrasonic pulse velocity and the compressive strength and dynamic modulus of steel, polypropylene, nylon, and glass fiber reinforced concrete. Previous studies prove that adding fibers to concrete alters the propagation of ultrasonic pulse velocity waves. Therefore, each type of fiber-reinforced concrete will have a unique relationship between ultrasonic pulse velocity and its compressive strength and dynamic modulus depending on fiber type, fiber volume fraction, water to cement ratio, and test age. To test this hypothesis, an experimental program comprising of one hundred eighty-nine 100 mm x 200 mm fiber reinforced concrete cylinders …

Smart Distributed Generation System Event Classification Using Recurrent Neural Network-Based Long Short-Term Memory, Shuva Das

College of Graduate Studies: Theses & Dissertations

High penetration of distributed generation (DG) sources into a decentralized power system causes several disturbances, making the monitoring and operation control of the system complicated. Moreover, because of being passive, modern DG systems are unable to detect and inform about these disturbances related to power quality in an intelligent approach. This paper proposed an intelligent and novel technique, capable of making real-time decisions on the occurrence of different DG events such as islanding, capacitor switching, unsymmetrical faults, load switching, and loss of parallel feeder and distinguishing these events from the normal mode of operation. This event classification technique was designed …

Does Dual Enrollment Impact Ctae, Robert J. Dollar

College of Graduate Studies: Theses & Dissertations

The purpose of this study was examine if legislation that greatly impacted the number of students taking dual enrollment courses in the state of Georgia was having an impact of CTAE programs in seven, rural school districts in southeast Georgia. This study employed a mixed methods research design. Quantitative data supplied by the Georgia Department of Education regarding enrollment numbers, as well as qualitative data gathered by the utilization of an open-ended questionnaire, were analyzed conjunctly to ascertain if an impact existed. This study focused on four overarching research questions regarding any potential impacts experienced with the implementation of the …

Phase-Locked Loop Control In Low-Inertia Grid-Connected Voltage-Source Converters, Ifechukwude Gideon Odogwu

College of Graduate Studies: Theses & Dissertations

As the integration of renewable energy on the grid increases, the number of voltage-source converters (VSC) installed also does. VSC controls both switch turn-on and turn-off, allowing a dc voltage source to be switched between phases. For the converter to accurately synchronize with the grid, a phase-locked loop (PLL) is used for the frequency measurements of the grid. However, the implementation of PLL with measurement delay introduces harmonics, noise, high frequency, and voltage oscillation to the system due to its dynamics. The dynamics introduced to the grid can be ignored under stiff grid conditions, but power from renewable sources decreases …

An Examination Of The Use Of Computer-Based Formative Assessments, Patrick D. Sullivan

College of Graduate Studies: Theses & Dissertations

In one-to-one computing settings, the teacher's own internal beliefs and attitudes will primarily determine how often and in what ways they will use technology with their students. Although a great deal of literature addresses the barriers that teachers face when utilizing technology, the majority of these studies investigated technology use very broadly. The purpose of this quantitative, correlational study was to investigate the computer-based formative assessment (CBFA) practices of 414 core academic teachers within a one-to-one computing environment in a mid-sized suburban school district to better understand the relationships between CBFA usage rates of teachers and their background and perceptions …

Perceptions Of The Impact Mathematics Support Classes Have On Student Achievement, Cordaryl Charles Middleton

College of Graduate Studies: Theses & Dissertations

Many students today struggle with mastering grade-level mathematics standards. School leaders have implemented mathematics support classes as a possible solution; however, not all students are showing significant improvement. The challenge is determining an effective mathematics support class that has the most positive impact on student achievement. As a result, the purpose of this research study was to examine the perceptions of principals, mathematics teachers, and mathematics support teachers on the impact mathematics support classes had on student achievement. This study employed a qualitative case study research design that consisted of one overarching research question and three sub-research questions that framed …

Analysis On Sharp And Smooth Interface, Elizabeth V. Hawkins

College of Graduate Studies: Theses & Dissertations

In biology, minimizing a free energy functional gives an equilibrium shape that is the most stable in nature. The formulation of these functionals can vary in many ways, in particular they can have either a smooth or sharp interface. Minimizing a functional can be done through variational calculus or can be proved to exist using various analysis techniques. The functionals investigated here have a smooth and sharp interface and are analyzed using analysis and variational calculus respectively. From the former we find the condition for extremum and its second variation. The second variation is commonly used to analyze stability of …

Examining Spatial Inequities In Green Space Distribution And Access Around The Historic City Of Savannah, Georgia., Chiamaka F. Chimah

College of Graduate Studies: Theses & Dissertations

Green space supports recreational activities and environmental sustainability which has proven to aid physical and social well-being as well as environmental health. However, spatial inequities are observed in the distribution and accessibility of urban green space. This norm identified as an environmental justice issue has left racial minorities and people of low socioeconomic status at a disadvantage. This study adopted a geospatial approach to assess green space quantity, quality, and accessibility, and generate a green space index. This research assessed the relationship between racial structure, socioeconomic characteristics and green space inequities in all municipalities in Chatham County, Georgia with a …

Design, Construction, Energy Modeling, And Navigation Of A Six-Wheeled Differential Drive Robot To Deliver Medical Supplies Inside Hospitals, Makhluk Hossain Prio

College of Graduate Studies: Theses & Dissertations

Differential drive mobile robots have been the most ubiquitous kind of robots for the last few decades. As each of the wheels of a differential drive mobile robot can be controlled, it provides additional flexibility to the end-users in creating new applications. These applications include personal assistance, security, warehouse and distribution applications, ocean and space exploration, etc. In a clinic or hospital, the delivery of medicines and patients’ records are frequently needed activities. Medical personnel often find these activities repetitive and time-consuming. Our research was to design, construct, produce an energy model, and develop a navigation control method for a …

Artificial Neural Network Models For Pattern Discovery From Ecg Time Series, Mehakpreet Kaur

College of Graduate Studies: Theses & Dissertations

Artificial Neural Network (ANN) models have recently become de facto models for deep learning with a wide range of applications spanning from scientific fields such as computer vision, physics, biology, medicine to social life (suggesting preferred movies, shopping lists, etc.). Due to advancements in computer technology and the increased practice of Artificial Intelligence (AI) in medicine and biological research, ANNs have been extensively applied not only to provide quick information about diseases, but also to make diagnostics accurate and cost-effective. We propose an ANN-based model to analyze a patient's electrocardiogram (ECG) data and produce accurate diagnostics regarding possible heart diseases …

Reduced Dataset Neural Network Model For Manuscript Character Recognition, Mohammad Anwarul Islam

College of Graduate Studies: Theses & Dissertations

The automatic character recognition task has been of practical interest for a long time. Nowadays, there are well-established technologies and software to perform character recognition accurately from scanned documents. Although handwritten character recognition from the manuscript image is challenging, the advancement of modern machine learning techniques makes it astonishingly manageable. The problem of accurately recognizing handwritten character remains of high practical interest since a large number of manuscripts are currently not digitized, and hence inaccessible to the public. We create our repository of the datasets by cropping each letter image manually from the manuscript images. The availability of datasets is …

Predator-Based Selection And The Impact Of Edge Sympatry On Components Of Coralsnake Mimicry, Lauren E. Wilson

College of Graduate Studies: Theses & Dissertations

Studying warning coloration and mimicry is an effective way to understand predator-driven selection and phenotypic diversity. The presence (sympatry) or absence (allopatry) of a toxic model plays a role in shaping mimetic phenotypes. However, the impact of edge sympatry and allopatry on predation of mimetic phenotypes is not well understood. We studied coralsnake mimicry to test how edge sympatry and allopatry affect predation on mimetic phenotypes. Specifically, we tested 1) if overall attack rates varied with edge sympatry of coralsnakes 2) which color patterns conferred a fitness advantage 3) which specific mimetic signal components are important in driving predatory attacks …