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Electronic Theses and Dissertations

2015

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Effects Of Melatonin On Heartbeat And Possible Identification Of A Melatonin Receptor In Drosophila Melanogaster, Tricia L. Vankirk Dec 2015

Effects Of Melatonin On Heartbeat And Possible Identification Of A Melatonin Receptor In Drosophila Melanogaster, Tricia L. Vankirk

Electronic Theses and Dissertations

Chapter 1 of this manuscript is a literature review that serves as an introduction to the entire dissertation. Chapter 2 examines the effects of the melatonin injection on heart rate and rhythmicity in Drosophila melanogaster Canton-S (wild-type) pupae and pupae bearing a variety of heart mutations. Chapter 3 investigates further the possible mechanisms of melatonin’s ability to increase heart rhythmicity without significantly affecting heart rate. A melatonin antagonist, luzindole; a high-affinity melatonin agonist, 2-iodomelatonin and RNAi techniques are used to identify a possible melatonin receptor in Drosophila melanogaster.

An appendix contains a previously published manuscript detailing experiments performed at ...


An Interpretation Of Relativistic Spin Entanglement Using Geometric Algebra, Crystal-Ann Mckenzie Dec 2015

An Interpretation Of Relativistic Spin Entanglement Using Geometric Algebra, Crystal-Ann Mckenzie

Electronic Theses and Dissertations

Entangled states are often given as one of the most bizarre examples of “weirdness” described as inherent to quantum mechanics. The present work reinterprets entanglement as not being a property of states at all, but rather as a relationship between the reference frames in which the states reside, which proposes to reduce “weirdness” of interpretation. Using the geometric Algebra of Physical Space, it has been shown that a classical form of the Dirac equation can be satisfied by any eigenspinor, which is a Lorentz transformation operator describing the relative velocity and relative orientation of the rest frame of a system ...


Do The Words People Write Capture Their Process Of Change, Orrin-Porter Morrison Dec 2015

Do The Words People Write Capture Their Process Of Change, Orrin-Porter Morrison

Electronic Theses and Dissertations

The current study examined the use of commonly used word categories, less commonly used word categories, and change in word use over time in an expressive writing task. A sample of 250 undergraduate students from an archival study who were still experiencing unresolved feelings wrote about a targeted distressing experience for 15 minutes on each of three consecutive days. Narratives were analyzed using the Linguistic Inquiry and Word Count Program (LIWC). Results showed that six word categories predicted change in outcome, namely first-person singular pronouns, words related to causation, inhibition, certainty, past-tense verbs, and word count. Words related to cognitive ...


Canadian Teacher Candidates’ Narratives Of Their Cross-Cultural Experiences In China, Minghua Wang Dec 2015

Canadian Teacher Candidates’ Narratives Of Their Cross-Cultural Experiences In China, Minghua Wang

Electronic Theses and Dissertations

This is a narrative study, exploring the perspectives of Canadian teacher candidates’ cross-cultural learning experiences in China as a result of their involvement in the Reciprocal Learning Program between the University of Windsor in Canada and Southwest University in China. The study builds on my two years of participation as a graduate assistant in the Reciprocal Learning Program, which is part of the SSHRC Partnership Grant Project between Canada and China. This study focuses on five participants’ personal and professional understanding of cross-cultural knowledge. Based on Connelly and Clandinin’s (1988) narrative inquiry, this study finds some changes from the ...


Stochastic Goal Programming And A Metaheuristic For Scheduling Of Operating Rooms, Justin William Britt Dec 2015

Stochastic Goal Programming And A Metaheuristic For Scheduling Of Operating Rooms, Justin William Britt

Electronic Theses and Dissertations

Health care systems in Canada provide benefits to patients but have issues with costs and wait lists. Long wait lists negatively affect patients’ welfares. This in turn can increase costs because conditions can develop into more complicated ones over time. Operating rooms in a hospital are responsible for a significant portion of both costs and benefits; therefore, finding ways to use them more efficiently can reduce both the waste of tax dollars and the lengths of wait lists and can improve patients’ welfares. In this research, a stochastic weighted goal programming model is proposed to perform elective surgery scheduling under ...


The Rhetoric Of Law And The Epistle To The Hebrews, Theodore A. Holt Iv Dec 2015

The Rhetoric Of Law And The Epistle To The Hebrews, Theodore A. Holt Iv

Electronic Theses and Dissertations

The Epistle to the Hebrews demonstrates a complex of what scholars label technical legal terms. Enlisting a series of word studies, this thesis attempts to uncover where the author learned the terminology in order to understand more about the anonymous author and the theology of the Epistle to the Hebrews. This thesis examines terms in Heb 2:2-4; 6:13-18; 7:11-19; 8:13; 9:15-18; 10:9.


Role Of Dignity In Rural Natural Resource Governance, Tora Johnson Dec 2015

Role Of Dignity In Rural Natural Resource Governance, Tora Johnson

Electronic Theses and Dissertations

Dignity is “an internal state of peace that comes with the recognition and acceptance of the value and vulnerability of all living things” (Hicks, 2011, p. 1). Dignity is a crucial element in effective governance arrangements. This study applies dignity theory, and related theories of natural resource governance and environmental communication, to understand and overcome barriers to effective governance of common pool resources in rural communities. Chapter 1 reviews relevant literature on natural resource governance and develops a theoretical framework for dignity. Chapter 2 applies dignity theory to a contentious comprehensive planning process in a small Maine town in order ...


Thinking Beyond The Fried Egg Model: How Accurately Do Students Perceive Cells In A Living Context?, Milissa Knox Dec 2015

Thinking Beyond The Fried Egg Model: How Accurately Do Students Perceive Cells In A Living Context?, Milissa Knox

Electronic Theses and Dissertations

This exploratory study investigated three aspects of introductory undergraduate biology students’ understanding about cells. The study, which took place at the University of Maine with voluntary students in Basic Biology (“BIO100”) in the summer and fall of 2009, examined (1) students’ pre-course perceptions of cells as they exist in a living context and (2) gains in students’ perception and knowledge about cells after completing the one-semester course (BIO100). Results are based on lecture exam scores, pre-post surveys developed as a part of this thesis, and interviews with two groups of biology students. A total of 498 students participated in the ...


Explaining Migratory Behaviors Using Optimal Migration Theory, Jennifer D. Mccabe Dec 2015

Explaining Migratory Behaviors Using Optimal Migration Theory, Jennifer D. Mccabe

Electronic Theses and Dissertations

Bird migration is the regular seasonal movements between breeding and nonbreeding grounds. In general, birds that breed in the Northern Hemisphere tend to migrate northward in the spring to take advantage of increasing insect populations and lower predation pressures and fly south when food availability and weather conditions decline. Embarking on a journey that can stretch a thousand miles round trip is a dangerous and arduous undertaking. While en route migrants must stop and feed to replenish their depleted energy reserves, often in unfamiliar locations with unknown predation pressures. They also must react to weather conditions during flight and while ...


Design, Manufacturing And Control Of An Advanced High-Precision Robotic System For Microsurgery, Arezoo Ebrahimi Dec 2015

Design, Manufacturing And Control Of An Advanced High-Precision Robotic System For Microsurgery, Arezoo Ebrahimi

Electronic Theses and Dissertations

Microsurgeries like ophthalmic surgery confront many challenges like limited workspace and hand motion, steady hand movements, manipulating delicate thin tissues, and holding the instrument in place for a long time. New developments in robotically-assisted surgery can highly benefits this field and facilitate those complicated surgeries. Robotic eye surgery can save time, reduce surgical complications and inspire more delicate surgical procedures that cannot be done currently by surgeon’s hands. In this thesis work, the requirements for ophthalmic surgeries were studied and based on that a robotic system with 6 DOF is proposed and designed. This robotic

system is capable of ...


Email Similarity Matching And Automatic Reply Generation Using Statistical Topic Modeling And Machine Learning, Zachery L. Schiller Dec 2015

Email Similarity Matching And Automatic Reply Generation Using Statistical Topic Modeling And Machine Learning, Zachery L. Schiller

Electronic Theses and Dissertations

Responding to email is a time-consuming task that is a requirement for most professions. Many people find themselves answering the same questions over and over, repeatedly replying with answers they have written previously either in whole or in part. In this thesis, the Automatic Mail Reply (AMR) system is implemented to help with repeated email response creation. The system uses past email interactions and, through unsupervised statistical learning, attempts to recover relevant information to give to the user to assist in writing their reply.

Three statistical learning models, term frequency-inverse document frequency (tf-idf), Latent Semantic Analysis (LSA), and Latent Dirichlet ...


A Theory-Guided Investigation Of Proposed Factors That Influence The Relationship Between Cybervictimization And Psychological Adjustment In Late Adolescents, Melissa K. Hord Dec 2015

A Theory-Guided Investigation Of Proposed Factors That Influence The Relationship Between Cybervictimization And Psychological Adjustment In Late Adolescents, Melissa K. Hord

Electronic Theses and Dissertations

Cybervictimization is related to negative psychological adjustment (e.g., Tokunaga, 2010); however, not all cybervictims report negative outcomes, and it is not clear what factors may influence vulnerability. One possibility is that cybervictims’ attributions regarding technology-based communication impact their emotional adjustment. Those who make hostile intent attributions in ambiguous situations are more likely to experience negative outcomes (e.g., Crick & Dodge, 1994), and the inherent ambiguity of electronic communication may be particularly susceptible to misinterpretation. In addition, how individuals respond to cyber experiences may serve to either protect or damage their emotional well-being. Furthermore, those who are high in rejection ...


The Temporal Nature Of The Acute Stress Response And Its Impact On Explicit Learning, Steven B. Hutchinson Dec 2015

The Temporal Nature Of The Acute Stress Response And Its Impact On Explicit Learning, Steven B. Hutchinson

Electronic Theses and Dissertations

Acute stress is commonly experienced by many throughout their lives. Given the demanding lifestyle of many career paths, it's important to gauge the influence of these stressors upon cognitive performance. The present dissertation focus' upon explicit learning in attempts to explore one avenue of the stress-cognition relationship. The Trier Social Stress Test (TSST) was used as a lab stressor for Experiments 1 and 2, in which participants are asked to give a speech and complete a difficult math task in front of 2 evaluators trained to monitor non-verbal behavior. Experiment 1 investigates the dynamic stress response during the minutes ...


A Retrospective View Of Bullying, Janie M. Stewart Dec 2015

A Retrospective View Of Bullying, Janie M. Stewart

Electronic Theses and Dissertations

An Abstract of the Dissertation Presented

in Partial Fulfillment of the Requirements for the
Degree of Doctor of Philosophy
(in Education)
December 2015

Bullying in schools is one of the most prevalent challenges for teachers, administrators, and counselors all over the world (Esbensen & Carson, 2009; Merrell, Gueldner, Ross & Isava, 2008). The increase in bullying is evident by the growing interest in the behaviour, as well as intervention and prevention programs (Esbensen & Carson, 2009). This study examines the retrospective view of 10 university students who were identified as bullies during junior high years. Ten in-depth interviews were conducted, and analyzed. Themes were identified ...


Los Morteros: Early Monumentality And Environmental Change In The Lower Chao Valley, Northern Peruvian Coast, Ana Cecilia Mauricio Llonto Dec 2015

Los Morteros: Early Monumentality And Environmental Change In The Lower Chao Valley, Northern Peruvian Coast, Ana Cecilia Mauricio Llonto

Electronic Theses and Dissertations

This doctoral dissertation presents the results of archaeological and geoarchaeological studies carried out at the site of Los Morteros and the Archaeological Complex of Pampa de las Salinas, lower Chao Valley, North Coast of Peru, between September 2012 and July 2014. This research focuses on the study of the mound-shaped site of Los Morteros and the environmental contexts in which this site developed. Previous excavations at the site considered Los Morteros as a “stabilized dune” whose top was used as cemetery for pre-pottery people around cal. 5000 B.P (Cardenas 1995, 1999). However, geo-radar explorations of the mound in 2006 ...


Constrained Optimization For Bottleneck Peak Hour Pricing, Da Xu Dec 2015

Constrained Optimization For Bottleneck Peak Hour Pricing, Da Xu

Electronic Theses and Dissertations

We study the morning commute problem with a peak period flat toll, where the toll has a maximum acceptable toll level and a maximum acceptable length of tolling period. Under such a constrained optimization setup, we investigate the system cost minimization problem. A tolling scheme is determined by the toll starting time, the toll ending time, and the toll level. The toll starting time and ending time are set before and after the common work start time, respectively. We find out that, under the toll window length constraint only, a balanced toll window design is always optimal, where “balanced” means ...


Normative Democratic Deliberation And The Role Of Argumentation In The Canadian Mandatory Minimum Sentence Debate, Caitlin Sivell Dec 2015

Normative Democratic Deliberation And The Role Of Argumentation In The Canadian Mandatory Minimum Sentence Debate, Caitlin Sivell

Electronic Theses and Dissertations

This paper explores the role of argumentation within the debates on Bill C-10, the Safe Streets and Communities Act, that came into force in 2012. Through examining Hansard transcripts, this paper aims to investigate how argumentation on mandatory minimums was utilized in this political decision making setting to legitimize and accomplish this policy initiative. I draw upon the concepts of normative democratic deliberation, new right ideology and the punitive turn to explore the Harper government’s use of argumentation strategies and discuss their implications for the Canadian political process and the current direction of the administration of justice in Canada ...


Heavy P-Block Analogues Of Dithiazolyl Radicals, Thao Thi Phuong Tran Dec 2015

Heavy P-Block Analogues Of Dithiazolyl Radicals, Thao Thi Phuong Tran

Electronic Theses and Dissertations

This thesis commences with an introduction to the chemistry and materials properties of dithiazolyl radicals and a review of previous research on the isolobal heterocyclic phosphorus-containing derivatives, particularly dithiaphospholes and diazaphospholes. P-chloro-1,3,2-benzo-dithiaphospholes were prepared from the condensation of PCl3 and 1,2-benzodithiols in good yield. Reduction afforded 2c,2e- P-P s-bonded dimers containing a formal PII oxidation state which were characterised by X-ray diffraction. Re-oxidation generates the crystallographically characterised Phalogeno- 1,3,2-benzo-dithiaphospholes. The synthesis and structural characterisation of the isolobal P-chloro-1,3,2-benzodiazaphospholes, C6H4(NR)2PCl (R = H, Me, Et, COMe, COOMe) is described. The outcome of ...


Towards A New Model Of Semantic Processing: Task-Specific Effects Of Concreteness And Semantic Neighbourhood Density In Visual Word Recognition, Ashley Danguecan Dec 2015

Towards A New Model Of Semantic Processing: Task-Specific Effects Of Concreteness And Semantic Neighbourhood Density In Visual Word Recognition, Ashley Danguecan

Electronic Theses and Dissertations

According to data from three tasks, Danguecan & Buchanan (2014) demonstrated that semantic neighbourhood density (SND; Buchanan, Westbury, & Burgess, 2001) interacts with concreteness to influence visual word recognition response times (RTs). Importantly, these data suggest that the behavioural effects of these semantic variables are differentially impacted by task demands. The goal of the present study was to more precisely chart the flexibility of semantic processing by comparing recognition RTs of words (varying in concreteness and SND) across seven tasks with different explicit semantic requirements. The data show that linguistic associative information is particularly critical for abstract as compared to concrete concepts. These findings are discussed within the context of ...


From Participation To Differentiation: A Framework For Re-Designing A Socio-Technical System, Victoria Townsend Dec 2015

From Participation To Differentiation: A Framework For Re-Designing A Socio-Technical System, Victoria Townsend

Electronic Theses and Dissertations

Engineers are responsible for re-designing socio-technical systems (STSs). At the same time, the current literature on engineering re-design methodology is predominantly oriented towards technical artefacts. This methodology is not directly transferable to STSs, since STSs differ in the role of workers operating the system in collective activity. Accordingly, the central question of this dissertation is: How can engaging STS operators as participants in re-designing an assembly production system develop an approach for re-designing STSs that operationalizes human value and potential? To this aim, this dissertation develops a framework for re-designing a STS. This framework is developed with design research methodology ...


Risk And Resilience In Emerging Adults With Childhood Parentification, Kristen Williams Dec 2015

Risk And Resilience In Emerging Adults With Childhood Parentification, Kristen Williams

Electronic Theses and Dissertations

Childhood parentification, an adult-child role reversal in which a child provides physical and/or emotional care for a parent, has been associated with both adaptive and maladaptive outcomes in emerging adulthood (Hooper, 2007b). The current three-part investigation (quantitative, written narrative, interview) used quantitative and qualitative methods to explore adjustment in emerging adulthood following childhood parentification experiences and sought to identify factors that may influence parentification outcomes. In total, data from 205 participants were analyzed in the quantitative portion of the study, with 181 participants providing written narrative responses and 10 individuals participating in a follow-up interview. Results from quantitative and ...


Properties And Applications Of Basalt Fibre Reinforced Concrete, John-Sebastian Branston Dec 2015

Properties And Applications Of Basalt Fibre Reinforced Concrete, John-Sebastian Branston

Electronic Theses and Dissertations

Basalt fibre has gained popularity in concrete reinforcing applications due to its excellent mechanical properties and an environmentally friendly manufacturing process. Research work presented in this thesis was undertaken to better understand potential applications of three different types of basalt fibre construction: filament and bundle dispersion fibres, and basalt fibre reinforced polymer bars (minibars). Mechanical performance was evaluated by measuring the effect of the fibres on the pre- and post-cracking behaviour of concrete, and by investigating how the fibre-concrete interfacial properties influenced that behaviour. Durability was evaluated by measuring the effect of the fibres on unrestrained plastic shrinkage, and their ...


Disciples, Exorcists, And The Power Of God: Reading Acts 19:1-20 As A Literary Unit, Matthew R. Anderson Dec 2015

Disciples, Exorcists, And The Power Of God: Reading Acts 19:1-20 As A Literary Unit, Matthew R. Anderson

Electronic Theses and Dissertations

Scholars have read Acts 19:1-20 as a combination of stories serving different thematic interests. This has led to much confusion over several details in the text, and readings that follow this pattern miss the larger point Luke is making in this section. Acts 19:1-20 serves as the final scene in a three-part contest between believers and magicians (Acts 8:4-25; 13:4-12; 19:1-20). When one takes Acts 19:1-7 as a part of the larger narrative structure in 19:1-20, one can read the Ephesian disciples as the literary foils of the sons of Sceva. This reading ...


Academic Entitlement, Student Motivation, And Academic Outcomes, Marc Philip Frey Dec 2015

Academic Entitlement, Student Motivation, And Academic Outcomes, Marc Philip Frey

Electronic Theses and Dissertations

There has been a recent influx of preliminary research examining Academic Entitlement (AE) and the corresponding implications. However, little is known about the antecedents and outcomes of entitled attitudes on the part of students. Initial findings suggest that those high in AE are more extrinsically motivated and have an external locus of control (Greenberger, Lessard, Chen, & Farruggia, 2008). Self-Determination Theory (SDT) provides a theoretical basis for understanding this constellation of characteristics and may prove useful in curbing AE. According to SDT, diminished levels of intrinsic motivation for tasks and increased non-self-determined motivation results in decreased task persistence, enjoyment in the activity, and performance (Deci & Ryan, 2000; Deci, Koestner, & Ryan, 1999). In the current investigation two studies were conducted to explore the relationships between AE, motivation, and academic performance. In the first study intrinsic motivation and amotivation mediated the relationship between AE and academic performance. Structural equation modeling was used in ...


Dominance In Multi-Population Cultural Algorithms, Santosh Upadhyayula Dec 2015

Dominance In Multi-Population Cultural Algorithms, Santosh Upadhyayula

Electronic Theses and Dissertations

We propose a new approach that can be used for solving the knowledge migration issue in multi-population cultural algorithms (MPCA). In this study we introduce a new method to enable the migration of individuals from one population to another using the concept of complete dominance applied to MPCA. The MPCA’s artificial population comprises of agents that belong to a certain sub-population. In this work we create a dominance multi population cultural algorithm (D-MPCA) with a network of populations that implements a dominance strategy. We hypothesize that the evolutionary advantage of dominance can help improve the performance of MPCA in ...


Leadership Experience For Academic Direction (Lead): Perspectives From The Student Success Teachers, Dana Lina Pizzo Dec 2015

Leadership Experience For Academic Direction (Lead): Perspectives From The Student Success Teachers, Dana Lina Pizzo

Electronic Theses and Dissertations

In this case study design I explore the Student Success Teachers (SSTs) perspectives on the impact of a service-learning program, LEAD program has on their students, teacher candidates and themselves in their role. LEAD is presented as a proactive approach for 21st century learning as it promotes resiliency skills for our in-risk youth. I identify the challenges and benefits it presents to the SSTs, teacher candidates, and in-risk students within the two local school boards. Both former and current SSTs were interviewed on their experiences with implementing the LEAD program as part of their student success initiatives within their school ...


The Male Media Ideal: Effect Of Body Conceptualization And Knowledge Of Digital Alteration On Older Adolescent And College-Aged Men, Katherine Krawiec Dec 2015

The Male Media Ideal: Effect Of Body Conceptualization And Knowledge Of Digital Alteration On Older Adolescent And College-Aged Men, Katherine Krawiec

Electronic Theses and Dissertations

In two studies, the effects of exposure to media images that differed in body conceptualization and in disclaimer type on men’s self-evaluations, negative affect, and muscle-building behaviour were examined. State and trait social comparison were included as moderators. For Study 1, it was hypothesized that men would report greater muscle dissatisfaction and negative affect, lower physical condition esteem, and engage in less muscle-building behaviour following the viewing of body-as-object images than those who viewed body-as-process images. These effects would be more pronounced for men who engaged in greater state comparison. Body conceptualization was manipulated by showing 101 men images ...


Comparison Of Student Success By Course Delivery Methods At An Eastern Tennessee Community College, E. Ann Cunningham Dec 2015

Comparison Of Student Success By Course Delivery Methods At An Eastern Tennessee Community College, E. Ann Cunningham

Electronic Theses and Dissertations

The purpose of this study was to compare academic success based on methods of course delivery for students in a computer applications course at an East Tennessee community college. Additionally, the researcher examined demographic relationships of age, gender, and race to student academic performance in the different delivery methods. The researcher used final course grades as a determinant of academic success. The study was focused on students who took the INFS 1010 Computer Applications course during the academic years, 2011-12, 2012-13, and 2013-14 at a southeast Tennessee community college. The population consisted of 1,177 students who took the INFS ...


Medical Assisting Credentialing, Karmon L. Kingsley Dec 2015

Medical Assisting Credentialing, Karmon L. Kingsley

Electronic Theses and Dissertations

The purpose of this study was to investigate the hiring practices of physicians’ offices as they relate to medical assistants and to gain insight into their hiring preferences. Knowing how physicians and medical office managers view the profession of medical assisting may help medical assisting professionals improve the standing of the profession and provide a consistent foundation for education programs.

I surveyed 15 physicians’ practices in eight states across the country to obtain a cross-country perspective and found that many practices hire credentialed or non-credentialed individuals for clinical positions for various reasons. The reasons were minimally due to the lack ...


Nurses’ Perceptions Of Self As Role Models Of Health, Shelia Hurley Dec 2015

Nurses’ Perceptions Of Self As Role Models Of Health, Shelia Hurley

Electronic Theses and Dissertations

Given the sad state of obesity and lifestyle-related illnesses in the US, nurses, as the largest and most trusted health profession, must take the cause of health promotion seriously and personally. This study seeks to close the gap in knowledge of nurses’ perception of self as a role model of health and personal healthy lifestyle behaviors. This study focuses on four specific behaviors that lead to a healthy lifestyle: limit alcohol, avoid tobacco, improve nutrition, and engage in physical activity. The purpose of this study is to determine the relationship between nurses’ health practices and their perceptions of self as ...