Dissertations

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This collection consists of digital copies of doctoral theses submitted for degree at the colleges and departments of the Wichita State University. The collection includes dissertations beginning of spring 2005.

The complete set of all WSU dissertations may be found in the WSU Library Catalog. University Libraries has two paper copies of each dissertation submitted before 2006.

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The latest addition to this collection is dissertations defended in summer 2023

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Now showing 1 - 5 of 704
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    Continuation from discrete sets and inverse problems
    (Wichita State University, 2023-07) Domme, Cristina Camelia; Bukhgeym, Alexander L.
    It is well known that every smooth surface S is at least locally generated by the Dirac equation with real potential. In this dissertation, we study the inverse problem of recovering this potential and surface based on given Gaussian curvature and discrete Cauchy data on $z_n$ assuming that S is a Willmore surface $r : \mathbb{D} \rightarrow R^3$ We reduce this problem to several problems of the type: $|\partial \bar{u}|\leq a|u|,$ $\forall{z}\in\mathbb{D},$ $n = 1,2,3$ with given discrete Cauchy data on {$z_n$} For sequence $z_n$ we assume Blaschke condition $\displaystyle\sum\limits_{n=1}^{\infty}(1|-|z_n|)=\infty$ Our main tool is Carleman estimates.
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    Parent perceptions of school-based parent involvement and the operational transmission of culture
    (Wichita State University, 2023-07) Simon, Patrick; Sherif, Victoria
    Over the past fifty years of school reform, American education now includes parental involvement as an important factor contributing to children’s academic success. Furthermore, government funding is now tied to parent involvement, in an effort to increase the role of parents in school buildings. The purpose of this study was to examine the perceptions and experiences of parents participating in school-based parent involvement initiatives. Particularly, the study focused on investigating how parent involvement supported the exchange of cultural capital where parents could embody capital and relay said capital to their children. The study allowed for the voices of the parents that are engaged to be heard. The theoretical framework was in the was Bourdieu’s theory of cultural capital. The theory is based on the notion that what one knows or invests time to learn or understand, and has value within the institutional setting becomes something that the person can use to navigate through said institutions. This is a bounded case study that explored parent involvement and their perceptions of their experiences in parent involvement activities in the private school setting. The research site was a private K-8 building in a metropolitan area of the United States. The participants were parents of diverse age groups and backgrounds. The overall findings of the study point to one particular type of parent involvement activity as being significant and the most visible in terms of its operational effect. Parent involvement classes were the location where the exchange of cultural capital was most visible – where parents were viewed as equals. Additionally, parental voice – where trust had been established and meaningful relationships had been forged, was most dynamic within the school’s parenting classes, and the vehicle by which culture was exchanged.
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    Predictive machine learning model for the future trend of energy consumption in fully electricity homes considering occupancy status of the building
    (Wichita State University, 2023-07) Hosseini, Amin; Kim, Yang-Seon
    HVAC unit is one of the most power-intensive loads in buildings. It is also very significant for residential customers because indoor temperature must be maintained within an acceptable range of occupant’s comfort. To minimize energy consumption while providing a comfortable environment for the occupants, Building Energy Simulation (BES) gained considerable attention in recent years. Available BES calculates building energy consumption during the design phase and therefore, they optimize building energy consumption in this stage. However, there are still deficiencies that prevent BES from achieving higher efficiencies. Using a fixed occupancy schedule, not considering complexities in the occupant’s interactions with indoor appliances and HVAC unit are some of the setbacks that reduce the accuracy of the BES tools. Introduction of smart thermostats, made it possible for researchers to study the trend of changes in different measurable variables in the indoor environment like temperature, humidity, the runtime of the HVAC system, occupancy schedule, cooling and heating set point temperatures, etc. Data obtained from smart thermostat can be used to build a predictive model using a machine learning technique. Machine learning techniques help to estimate future trends of indoor variables like occupancy schedule, set point temperature and building energy consumption. Feeding the predicted variables by machine learning to the BES software helps to create a more accurate model for the energy simulation of buildings. This study presents a novel predictive model based on a co-simulation method using EnergyPlus and machine learning technique to better manage the energy consumption in the residential buildings. The proposed approach, which combines neural network and physic-based energy modeling, successfully estimates the total energy consumption in buildings with CV(CV(RMSE)) of 2.22% and NMBE of 5.65% on hourly basis.
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    Exploring telepractice perceptions and needs of school stakeholders across Kansas
    (Wichita State University, 2023-05) Roth, Blake W.; Self, Trisha L.
    Several studies have demonstrated the reliability, efficiency, and effectiveness of telepractice, and stakeholders have previously found engaging in telepractice to be a positive experience. However, recent studies have shown that after the sudden and temporary shift to telepractice during COVID-19, there is a mismatch between stakeholders’ experiences and the positive pre-pandemic data. This study investigated the perceived and empirical metrics of Kansas school-based stakeholders’ regarding telepractice to better contextualize this change. The study followed a mixed method research design consisting of an online survey and online focus group sessions. A growing gap between the telepractice literature and school-based stakeholders’ perceptions of telepractice was identified. Concerningly, stakeholders demonstrated worsening sentiment towards telepractice associated with poor competence and confidence across a variety of telepractice-related variables. The overwhelmingly negative perceptions strongly correlated with the sudden shift to telepractice due to COVID-19. It appears the mandated and rapid transition to telepractice forced stakeholders into using a model of service delivery that they were reportedly ill-prepared for. Future research should consider how to best implement telepractice in the event of future emergency transitions. Additionally, it is important to determine if education, training, and dissemination of telepractice literature can address the stakeholder limitations observed and reverse the damage done to their perceptions of telepractice during this time.
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    Moral disengagement, empathy, and bidirectional intimate partner violence in young adulthood: A short-term longitudinal study
    (Wichita State University, 2023-07) Rosebraugh, Elissa; Slade, Samantha
    Intimate partner violence (IPV) is a significant issue in the United States, with emerging research emphasizing its bidirectional nature. Longitudinal studies demonstrate that bidirectional intimate partner violence (BIPV) tends to persist or escalate in severity over time, necessitating an understanding of the underlying factors contributing to this phenomenon. Recent research suggests that moral disengagement (MD) and empathy may offer useful insights into the cognitive mechanisms driving BIPV. The main objective of my dissertation is to gain a deeper understanding of the connection between BIPV, empathy, and MD among college students. This study aimed to explore the relationship between these constructs and uncover potential changes over time. Data was collected through a two-wave online survey with a six-month time lag with a sample of 368 undergraduate students at Time 1 and 128 participants at Time 2. Results indicated initial construct validity for the IPV-specific MD measure based on significant convergent and divergent associations. Additionally, BIPV and MD were found to be cross-sectionally related. However, evidence was not found for BIPV at Time 1 leading to increased MD at Time 2. Neither affective nor cognitive empathy moderated the relationship between BIPV and MD, although cognitive empathy was found to be cross-sectionally related to BIPV at Time 1. This study contributes to the growing body of research on MD and IPV by providing initial evidence of the relationship between MD, cognitive empathy, and BIPV. Addressing limitations within this study such as sample homogeneity and recruitment and retention obstacles, future studies should continue to validate the novel MD measure and examine the prospective relationships between BIPV, MD, and empathy. By advancing our understanding of these complex relationships, effective strategies in preventing and intervening in BIPV can be developed, ultimately reducing its prevalence and impact.


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