Digital Commons Network^™

Measurement Of Defusion: Further Validation Of The Drexel Defusion Scale, Christopher A. Briggs

Dissertations

Acceptance and Commitment Therapy (ACT) seeks to develop psychological flexibility through the engagement of the six interrelated processes. Four processes employ mindfulness and acceptance strategies and consist of acceptance, defusion, present moment awareness, and the contextualized self. Two other processes, values and committed action, are grouped with present moment awareness and the contextualized self and are termed behavior change strategies. One issue encountered by contemporary behavioral approaches in general, and ACT in particular, is the measurement of the proposed processes. Measurement is complicated by the functional nature of some of the repertoires described making the development of instruments for assessment …

Analyzing Impacts Of Transportation And Non-Transportation Activities On Human Health With An Advanced Platform For Collecting Travel And Physical Activity Data, Raed Abdullah Hasan

Dissertations

Recently much attention is paid to the lack of physical activities that may cause the health problems in many counties. Travel activities provide a certain amount of physical activities, and the active transportation, such as walking and cycling, becomes more important as an essential element of transportation. The active transportation is expected to contribute to improving human health by reducing cardiovascular disease, obesity, and premature death. However, detailed relationship between the transportation choices and human health has not been well understood. Therefore, there is a need for investigating traveler behaviors and how their choices affect physical activities and public health. …

A Reinforcement Learning Approach To Spacecraft Trajectory Optimization, Daniel S. Kolosa

Dissertations

This dissertation explores a novel method of solving low-thrust spacecraft targeting problems using reinforcement learning. A reinforcement learning algorithm based on Deep Deterministic Policy Gradients was developed to solve low-thrust trajectory optimization problems. The algorithm consists of two neural networks, an actor network and a critic network. The actor approximates a thrust magnitude given the current spacecraft state expressed as a set of orbital elements. The critic network evaluates the action taken by the actor based on the state and action taken. Three different types of trajectory problems were solved, a generalized orbit change maneuver, a semimajor axis change maneuver, …

Simultaneous X-Ray Emission Accompanying Two Electron Capture For Fluorine On Gas Targets, David S. La Mantia

Dissertations

The collision between a charged ion and an atom resulting in the capture of two electrons, simultaneous with the emission of a single photon is referred to as radiative double electron capture (RDEC). For ion-atom collisions, this process can be considered the inverse of double photoionization. The study of either process, where just two electrons are involved without influence from neighboring electrons, promises new insight into electron correlation and the role it plays in quantum mechanics. Such a study for photoionization has not yet been done experimentally for two-electron ions because the only target system for which two electrons are …

Toward Self-Reconfigurable Parametric Systems: Reinforcement Learning Approach, Ting-Yu Mu

Dissertations

For the ongoing advancement of the fields of Information Technology (IT) and Computer Science, machine learning-based approaches are utilized in different ways in order to solve the problems that belong to the Nondeterministic Polynomial time (NP)-hard complexity class or to approximate the problems if there is no known efficient way to find a solution. Problems that determine the proper set of reconfigurable parameters of parametric systems to obtain the near optimal performance are typically classified as NP-hard problems with no efficient mathematical models to obtain the best solutions. This body of work aims to advance the knowledge of machine learning …

A Tale Of Two Schools And Their One Journey To Improvement, Catherine M. Jarnot

Dissertations

In accordance with the accountability measures required for public education by the United States Federal Government, the State of Colorado has developed a system for ranking school performance based on academic achievement, academic growth, and postsecondary and workforce readiness (Colorado Department of Education, 2016b). Schools are rated as Turnaround, Priority Improvement, Improvement, or Performance status (Colorado Department of Education, 2016b). Schools in Turnaround or Priority Improvement status must move to Improvement or Performance status in less than five years (Colorado Department of Education, 2016e). The focus of the study was on the leadership skills and behaviors of principals in schools …

Mindfulness Intervention To Support School Engagement With At-Risk Students At An Urban Charter High School, Sarah Groark

Dissertations

Every year, more than 500,000 students drop out of school, often after years of growing disinterest and disengagement. As a result, models of school engagement are commonly used as a framework to guide interventions. Unfortunately, some students may experience high levels of dysregulation and poor executive functioning which interfere with their ability to engage in school. The purpose of this study was to investigate whether a school-based mindfulness intervention would support school engagement behaviors with adolescents at an urban charter school. It was hypothesized that mindfulness would support students’ executive functioning in the areas of attention, cognitive flexibility, and emotion …

Increasing Undergraduate Student Engagement In Academics: An Ecological Momentary Intervention, Kerry Douglas Duck

Dissertations

As students enter the university environment, they are presented with various commitments that may or may not impede academic performance. With the issues of student attrition and retention, there is a need to provide further tools for students to use to monitor their performance. As students’ progress to higher level coursework, expectations and time commitments increase, and self-regulation of learning becomes even more important. Researchers may be able to deliver information to help students with self-regulation of learning by leveraging new affordances in technology in students’ daily lives. The purpose of this dissertation was to examine the feasibility and associated …

The Relationship Between State College Readiness Policy And Student Outcomes: A Multilevel Growth Model, Rachel Christeson

Dissertations

This study examined whether policies related to college readiness have a relationship with student outcomes of college-going, student retention rates, and graduation rates for the overall state population as well as the rates specifically for European American and non-European American students. Specifically, a multilevel modeling approach was employed to determine whether significant relationships exist between the presence of state college readiness policies and change in student outcomes over time when controlling for state- and institutional-level factors. Several policies were considered, including: (a) the existence of a college-readiness definition, (b) a requirement for students to take college-prepatory courses in order to …

Liminal Space In Higher Education: Lived Experiences In The Space Between At-Risk Academics And Big-Time Athletics In Division I Power Five, Lainey J. Brottem

Dissertations

The purpose of this qualitative, interpretivist phenomenological study was to understand and provide a transferable, informed, and learned perspective of the daily experience of working in the liminal space between two powerful, ostensibly cooperative but often competing interests: major university undergraduate academics and big-time Division I athletics. Nine learning specialists from Division I Power Five institutions participated in phenomenological interviews. Findings indicated that the phenomenon constituted a liminal space between the opposing forces of academics and athletics, with student-athletes, faculty, colleagues, and coaches having influence on the liminality. Unit directors diminished the sense of liminality while faculty contributed very little …

Using Online Communities To Prepare Teachers To Operate As Transformative Intellectuals, Zachary Morgan Clancy

Dissertations

Online communities have the potential to help teacher education programs inform and prepare future teachers to teach children equitably and confront social injustices. Online communities of scholars, activists, and artists can be used as a resource for teacher educators to prepare teacher-candidates and in-service teachers to participate in teacher inquiry and practitioner research. In turn, the research that they generate can be used by preservice and in-service teachers in the future. Online communities can also be used by classroom teachers as a form of professional development. My study included six participants – undergraduate college students, classroom teachers, and teacher-educators – …

Monocyte Phenotype And Whole Blood Immune Response In Physically Active Chronic Cannabis Users And Non-Users, Jonathon K. Lisano

Dissertations

Some physically active individuals are now advocating for the use of cannabis with exercise for its potential to optimize the immune response. Yet, it remains to be seen whether the chronic use of cannabis products is linked to alterations in immune characteristics, such as monocyte phenotype and function in physically active individuals. The purpose of this cross-sectional study was to assess resting concentrations of c-reactive protein (CRP) and interleukin-6 (IL-6), monocyte phenotype and lipopolysaccharide (LPS) stimulated production of Interleukin-6 (IL-6) following pre-treated with synthetic cannabinoid 2 (CB2) receptor agonist and antagonist in physically active individuals using cannabis products at least …

A Comparison Between A Modified And A Traditional Expressive Writing Intervention And Their Effect On Alexithymia And Emotional Expressivity, John Tzanos

Dissertations

The current study examined the effect of a modified expressive writing intervention compared to a traditional intervention and their effect on alexithymia and emotional expressivity while controlling for attachment style and social desirability among 150 undergraduate and graduate college students. The survey was administered online using a Qualtrics online survey tool. Participants were randomly divided into six groups: (a) low alexithymia/traditional intervention, (b) moderate alexithymia/traditional invention, (c) high alexithymia/traditional intervention, (d) low alexithymia/modified intervention, (e) moderate alexithymia/ modified intervention, and (f) high alexithymia/ modified intervention. The three groupings of levels of alexithymia—low (61) alexithymia—were based on the Toronto Alexithymia Scale-20 …

University President Discourse After An On-Campus Crisis, Andrea Decosmo

Dissertations

The presidents of higher education institutions (HEIs) may, at some point during their tenure, be faced with managing a crisis such as a natural disaster, an individual or group intending to harm the campus community, or a large-scale accident or student protest. While leadership can take on many forms in daily life, leadership after crisis requires communication with stakeholders and the media, and may help or hinder crisis recovery (Hincker, 2014). Understanding the elements included in HEI president post-crisis discourse may help presidents and crisis managers formulate a comprehensive crisis communication strategy, moreover, it provides the higher education community the …

Attempts To Reduce Elopement Using Blocking, A Time-Out Procedure, And Differential Reinforcement, Sydney M. Harbaugh

Dissertations

The current study was designed to replicate and extend the results of Harbaugh, Kohler & Malott, 2016, to decrease elopement and flopping by a child diagnosed with autism. The intervention in the present study consisted of a package combining differential reinforcement, response blocking, and a time-out procedure. Following successful reduction in the rate of elopement, a Behavioral Skills Training program was implemented with the child’s family to ensure generalization and maintenance of appropriate walking.

College Students With Physical Disabilities: An Exploratory Investigation Within Counselor Education, Adam Tolbert Wall

Dissertations

According to the National Center for Education Statistics (NCES, 2017a), there are over 19 million students who are currently enrolled in institutions of higher education. For the past 40 years, the number of students with disabilities attending colleges and universities has grown exponentially (NCES, 2017b). There is an abundance of research regarding many aspects of the experience of college students with a physical disability across social science, medical, and education literature; however, research targeted specifically at general counseling practitioners, counselor educators, and college counselors is relatively limited.

The purpose of this investigation was to study the inner lives of a …

The Effects Of Self-Observation On Implementation Of Direct Instruction Reading Curricula, Katherine Mahaffy

Dissertations

The current study evaluated the effects of structured self-observations on the rate and accuracy of learn unit presentations by graduate student tutors in a reading program. Four graduate students were trained to implement reading curricula using instructions, modeling, and the training manuals for reading curricula. Dependent variables were accuracy of antecedents, accuracy of consequences, and rate of learn units for the lesson. A secondary dependent variable was the rate of contingent social praise and token delivery during the lesson. During the intervention, tutors learned how to record learn units using the Teacher Performance Rate and Accuracy Scale (TPRA) and then …

The Learning Experiences Of Practicing School Leadership Coaches: A Multiple Case Study, Dustin Anderson

Dissertations

In 2017, the US Department of Education awarded Western Michigan University (WMU) a Supporting Educator Effectiveness Development (SEED) grant to fund the High-Impact Leadership for School Renewal (HIL) Project. The purpose of the HIL Project is to recruit and prepare school leaders with the skills associated with instructional leadership for improving school conditions that support student achievement. Through the use of school leadership coaches (called Implementation Facilitators in the HIL Project) trained on an adaptive school leadership coaching model, the HIL Project seeks to address one of the most challenging aspects of school leadership: developing and sustaining the HIL Model …

The Impact Of Character Education Programs On Middle School Bullying Behavior, Kelly M. Amshey

Dissertations

Bullying is recognized as a barrier that must be addressed by schools to ensure that all students have access to educational opportunities. Due to high accountability with limited resources, schools must identify strategies to address issues such as bullying in a manner that provides the maximum benefit to students. Character education (CE) programs, which contribute to the bullying deterrent of positive school climate, may also lessen bullying through explicit teaching of character traits and prosocial skills.

The purpose of this study is to determine if there is a relationship between utilization of character education and prevalence of bullying in middle …

“You Never Know What You’Re Gonna Get!”: The Lived Health Care Experience Of Individuals Who Identify As Transgender, Joyce Lyn Cole

Dissertations

This study used descriptive phenomenological investigation to explore the lived health care experience of individuals who identify as transgender. Results gleaned from the study provide a resource for nurse educators to employ when preparing future nurses to practice in an increasingly diverse environment. Eighteen adult members of the transgender community who had experienced health care completed virtual face-to-face, in-depth interviews. The data provided a rich description of the experiences, and analysis yielded the identification of themes that illuminate the essence of the lived healthcare experience. Findings from the data indicate that the transgender health care experience can be unpredictable and …

The Effects Of Kefir And Exercise On Immune Function And Gut Health, Peter Royal Smoak

Dissertations

Cancer is one of the most prevalent diseases affecting society today, and the number of newly diagnosed cases increases every year. Unresolved inflammation is an important underlying cause of cancer and chronically elevated concentrations of inflammatory cytokines such as interleukin-6 (IL-6), tumor necrosis factor (TNF-α), and C-reactive protein (CRP) are positively related to cancer incidence and progression. Cancer treatments like chemotherapy and radiation therapy can impair beneficial gut microbes that help to protect against pathogens and modulate immunity. Physical activity and exercise regimens improve chronic inflammation and gut microbes in cancer survivors but relatively few studies have explored the potential …

Chroma: An Original Composition For Violin, Cello, Vibraphone And Interactive Electronics, Todd Swingle

Dissertations

Chroma is an original composition for violin, cello, vibraphone, and interactive electronics that uses sound to create and control visual images. Using Max/MSP/Jitter, Chroma tracks the pitch and amplitude of the live performers and uses the data to construct a visual representation of the music that is projected onto a screen behind the performers. The music utilizes the color associations of the composer to create a narrative that exists both in sound and in the generated visual images. It explores links between music and emotions and how those links can be portrayed through color and images.

The Role Of Mental Models In Sensemaking During The Data-Driven Decision-Making Process And Their Impact On Instructional Practice, Ann M. Bingham

Dissertations

Data-driven decision making (DDDM) is a practice that has been shown to improve student achievement. However, the success of this process relies on the mental models applied during sensemaking. The purpose of this multiple case study was to describe and interpret how elementary mathematics teachers made sense of data from the Delta Math readiness screener. Additionally, this study captured the types of changes that teachers made as a result of analyzing this particular data source.

This study employed qualitative methods to determine the mental models that teachers applied during DDDM. These methods also provided participants an opportunity to describe how …

Principal Leadership And The Development Of Teacher Professionalism And Autonomy Within A Collaborative School Culture, Sukinah Ali Al Ramel

Dissertations

This instrumental multiple case study examines the actual activities and behaviors of elementary school principals who are known for building a collaborative school culture. The principals in these case studies were nominated by key informants as leaders who empower and mobilize teachers to grow professionally and interdependently in ways that enhance self-direction and motivation through reflecting on their own practices, practicing authentic self-assessment, and setting goals based on evidence of student achievement. Each Southwest Michigan principal was recruited from a diverse sample that met the study criteria. The study design included data from multiple in-depth interviews and documents shared by …

Perceptions And Experiences Of Online Learning And Synchronous Communication, Michelle Fry

Dissertations

Abstract

High-quality and effective online education is essential to the continuous growth of higher education. As online higher education grows in professional programs, it is especially pertinent to investigate learning designs for their effectiveness in supporting the acquisition of professional skills. Drawing upon the Community of Inquiry (CoI) and the Practice-Based Teaching (PBT) frameworks, this research investigated the effectiveness of one online graduate program designed for practicing teachers to learn new skills (i.e., diagnostic assessment and differentiated instruction) in teaching reading to elementary students. The learning design introduced a new component of virtual presence (i.e., synchronous communication) at strategic points …

Students As The Golden Resource: Incorporating Student Voice Into Overall School Culture, Dominick M. Lupo

Dissertations

This study is a program evaluation of AGA Middle School’s current school culture as it relates to being either a student-centered culture or an adult-centered culture. Following the analysis of the program evaluation, this study also set out to gather the voices of the students of AGA Middle School in order to determine the positive relationship building strategies and characteristics that teachers whom have positive relationships with students have in common. Employing a mixed methodology of survey data along with individual student interviews from each grade level (six through eight), this study found that the current school culture committee, the …

Personalizing Professional Learning For Teachers: Pursuing Equity Through Systematic Personalization, Megan M. Mccarter

Dissertations

Our school system has not changed much in the last 100 years, yet our society and the job market are drastically different. In general, we are not preparing young people for life after high school in a meaningful way; the reality for minority and low-income students is even more depressing. We need to change how education works for students, we need to personalize for their individual needs, push them to collaborate, to innovate, and to own their own learning. This can only happen if we change how we develop, support, and retain teachers. This study examines models of and reflections …

Algorithms And Hardware Co-Design Of Hevc Intra Encoders, Yuanzhi Zhang

Dissertations

Digital video is becoming extremely important nowadays and its importance has greatly increased in the last two decades. Due to the rapid development of information and communication technologies, the demand for Ultra-High Definition (UHD) video applications is becoming stronger. However, the most prevalent video compression standard H.264/AVC released in 2003 is inefficient when it comes to UHD videos. The increasing desire for superior compression efficiency to H.264/AVC leads to the standardization of High Efficiency Video Coding (HEVC). Compared with the H.264/AVC standard, HEVC offers a double compression ratio at the same level of video quality or substantial improvement of video …

Person-Level Sources Of Continued Influence Effect: The Roles Of Attention Control, Intolerance Of Ambiguity And Conservatism, Jinhao Chi

Dissertations

People continually rely on disinformation to make judgments after it is corrected or discredited. This phenomenon is termed the continued influence effect (CIE). Using a sample of 152 participants, the current study examined whether the CIE can be explained by a person’s political orientation, attention control (AC) levels, intolerance of ambiguity (IA) and need for specific closure (NSC). It was found that when political orientation was based on self-reports, the overall political conservatism did not predict the CIE (r = .13, p = .09) but economic conservatism did (r = .19, p < .05), suggesting that those with higher self-reported fiscally conservative attitudes may show more prolonged influence of disinformation. In addition, the overall AC levels did not predict the CIE (r = .08, p = .30), but the antisaccade scores reflecting the ability to inhibit automatic responses were a significant positive predictor of the CIE (r = .18, p < .05). Lastly, neither IA nor NSC significantly predicted the CIE (ps > .05). These findings were obtained with only one …

Effects Of English Proficiency On Nursing Student Empowerment And Intent To Leave The Program, Nadja James

Dissertations

Individual (learner) empowerment plays an important role in the learning environment. A more empowered student is more likely to be academically successful and complete their program of study. The findings of this study showed nursing students who felt less empowered had a greater intent to leave their nursing program. Many prelicensure nursing programs struggle with high attrition rates, especially minority students, including students from a culturally and linguistically diverse (CALD) background. Since effective communication is crucial in the learning environment, students with lower English proficiency tend to struggle in that area. Communication issues affect CALD students’ sense of empowerment and …