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Isocitrate Dehydrogenase-1 Mutation As A Prognostic Factor In Recurrent Glioblastoma, Haroon R. Hashmi

Walden Dissertations and Doctoral Studies

Glioblastoma (GBM) is an aggressive form of brain cancer that has a high recurrence rate and very poor prognosis. The prognostic value of various molecular markers (e.g., IDH 1 mutation, MGMT promoter methylation, etc.) and clinical factors (e.g., age, KPS, surgery and chemotherapy) has been studied in GBM after initial diagnosis but not as extensively in the recurrent GBM. Utilizing a retrospective cohort design, based on quantitative data collected through medical chart reviews, and the conceptual framework of outcomes research in oncology, this study evaluated the prognostic value of IDH-1 mutation in recurrent GBM in the context of key predictor …

Lived Experiences Of Parents With Children With Autism Spectrum Disorder Transitioning To Adulthood, Jane Havens

Walden Dissertations and Doctoral Studies

AbstractCurrently, there is little known about the parent experiences of transitioning their child with autism spectrum disorder (ASD) to adulthood from a qualitative perspective. The purpose of this qualitative phenomenological study was to explore parents’ lived experiences as their ASD children transition to adulthood. This study was grounded in symbolic interactionism, which includes tenets of how interactions with others provide a catalyst for meaning development and subsequent human action. A phenomenological design was used with a purposeful sample of 10 parents of children with ASD transitioning to adulthood. Interviews were conducted through phone calls to explore participant perspectives transitioning their …

Lived Experiences Of Returning Service Members Reintegrating With Their Children On The Autism Spectrum, Bridget Hennessy

Walden Dissertations and Doctoral Studies

Military deployments of a caregiver have a powerful and potentially damaging impact of the attachment bond between the service member and their child with autism spectrum disorder (ASD). Research has shown that children with ASD react to their caregiver’s departure, that they direct more social behavior to the caregiver than to a stranger, and that many of them increase their proximity seeking behavior after separation from the caregiver. Military children with ASD were underrepresented in previous attachment and reintegration research. This qualitative study explored the lived of experience of the military caregiver attaching or reattaching to their child with ASD …

The Lived Experiences Of Avoiding Recidivism Among African American Male (First-Time) Former Offenders, Jeff Hines

Walden Dissertations and Doctoral Studies

AbstractThe United States has a high recidivism rate within its criminal population, especially among men of African American descent. However, within this population, some first-time former offenders have used successful approaches to avoid re-incarceration. The objective of this study was to investigate how these first-time former offenders desist from crime and avoid recidivism. This was a phenomenological study, utilizing the Desistance Theory as a framework, to explore how these men survived the consequences of post-incarceration and remained crime-free. In-depth, semi-structured, open-ended interviews were conducted with six African American male first-time former offenders (age 25 and older) who were not on …

Retrospective And Forecasting Analysis Of Increased Long Term Care Demand In Niagara, Breanne Alissa Hines

Walden Dissertations and Doctoral Studies

A problem exists within the Canadian healthcare system as many patients experience longer lengths of stay (LOS) in acute care (AC) and complex care (CC) beds within hospitals because of a lack of long term care (LTC) facilities. The purpose of this study was to evaluate the extra days patients wait for placement and assess the benefits of increasing the number of LTC beds. The theoretical framework used was the four-level model of the health care system. Research questions involved 2017-2019 data for the number of LTC beds required to eliminate waits and evaluate beds needed in the future. This …

Race, Class, And Socioeconomic And Sentencing Laws In Opioid Cases, Phaedra Denise Jackson

Walden Dissertations and Doctoral Studies

AbstractThe purpose of the study was to explore social constructs and bureaucratic decisions to assess their effects on sentencing laws based on race, class, and socioeconomic status (SES). The research question guiding the study whether there was a relationship between race, class, SES, and arrests among opioid users. A cross-sectional correlational design using secondary data from Substance Abuse and Mental Health Services Administration 2010-2018 surveys of 265,442 participants and FBI Uniform Crime Reports were assessed to understand the bureaucracy of the opioid epidemic. Lipsky’s street-level bureaucracy theory was used to examine the historical, political, and racial structures within the judicial …

Race And Proportionality Of Traffic Stops By Four Police Departments In Demographically Distinct Communities., Danielle Sheree Lessard

Walden Dissertations and Doctoral Studies

Most police departments in the southcentral region of the United States do not racially represent the communities they serve. This lack of diversity has led some communities to perceive law enforcement as racially biased. The purpose of this quantitative, non-experimental, correlational, cross-sectional study was to assess the validity of this perception based upon traffic stop data. Using representative bureaucracy theory, this study examined the traffic stop summary data of four police departments in the southcentral region of the U.S. for 2016-2019. The study aimed to determine if a police department’s racial demographics impacted the stop proportionately to the racial representation …

Critical Factors That Influence Job Attitudes Among Employees In The Disaster Management Sector, Leslie Myers Mccall

Walden Dissertations and Doctoral Studies

Professional attitudes toward results-oriented performance cut across job sectors; however, they are pronounced among disaster management personnel. Within the disaster management sector (DMS), commitment to the organization is critical to retention and quality services and has been shown to be related to degree of work satisfaction; however, research remains lacking related to the specific needs of the DMS related to employee and volunteer worker attraction, engagement, and retention. The purpose of this study was to explore job attitudes among disaster management sector (DMS) workers to create and support a more effective solution to employee job attitude problems and to promote …

Racial Capitalism And The African American Experience Entering The Cannabis Industry, Ayoka Medlock-Nurse

Walden Dissertations and Doctoral Studies

The cannabis industry in the United States is a competitive 16.9-billion-dollar industry built on private ownership, access to resources, operation for profit, and racism. However, under current cannabis policies, African American entrepreneurs are not benefiting from ownership and employment within the cannabis industry. Though some policies claim that the current medicinal and adult recreation laws will rectify racial disparities in arrest and ownership regarding cannabis sales, thus far, there are no sufficient increases to ownership, employment, or effective equity programs in place that accurately address racial disparities and the public policy barriers that keep African Americans excluded from the cannabis …

An Interrupted Times Series Of The Personnel Security Section's Method To Address The Periodic Reinvestigation Case Backlog, Lathaniel F. Mills

Walden Dissertations and Doctoral Studies

The problem of periodic reinvestigation case backlogs faced by the personnel security section of the Transportation Security Administration was explored in this study. Specifically, a quantitative, quasi-experimental, interrupted time series methodology was employed to examine the effectiveness of the periodic reinvestigation team creation by the personnel security section to mitigate the case backlog. The administrative study was needed because the case backlog prevents the organization from following government guidance on periodic reinvestigation case processing. Organizational change theory was the conceptual framework that guided this study. Data gathered from the Integrated Security Management System helped answer the central research question regarding …

Evaluating Compliance With The Produce Safety Rule And Managing Mycotoxins, Yvette May Molajo

Walden Dissertations and Doctoral Studies

Foodborne diseases are the cause of many illnesses that occur from foods that contain mycotoxins. Mycotoxins are produced from fungi and are environmental and carcinogenic agents that contaminate agricultural foods during preharvest and postharvest conditions. While researchers have conducted many studies on mycotoxin occurrence and production, there is a significant gap in the current literature regarding which environmental factors could put farmers’ ability to remain in compliance with the Food Safety Modernization Act’s Produce Safety Rule at risk. Therefore, the purpose of this quantitative study was to investigate which environmental factors could put farmers’ ability to remain in compliance with …

Relationship Between Trust, Race, And Health Care Information Sources Among African American Men, Uzochukwu Onukogu

Walden Dissertations and Doctoral Studies

AbstractAfrican American men have not been sufficiently at the center of research studies, especially when it comes to health. Most researchers have explored African Americans as a whole, and few have looked at African American men specifically, especially when it comes to their perceptions and ability to trust sources of health information. The purpose of this quantitative cross-sectional study was to examine the relationship between race and trust in health information sources, including the relationship between prostate cancer health outreach done through the internet and the acceptance of such information outreach among African American men. The theory of planned behavior …

Program Evaluation: Assessing A Housing First Initiative, Caitlin Pennicooke

Walden Dissertations and Doctoral Studies

Housing First is a nationally recognized approach to solving homelessness, but literature does not account for the unique characteristics of geographic locations that are isolated and have high cost of living. This study examined one such city and benchmarked it against another. To protect the identities of these cities, the alias Island City (IC) for the city under examination and Sun City for the benchmark. This research explored IC’s Housing First program related to mitigating homelessness. The purpose of this study was to benchmark IC’s Housing First program against Sun City’s program using the context, input, process, and product (CIPP) …

The Impact Of Financial Education On The Lives Of Cherokee Nation Citizens, Ron Pense

Walden Dissertations and Doctoral Studies

Financial literacy is something that is important for financial well-being for individuals, but it is lacking, leading to problems such as inadequate saving and poor financial decision making. This research was conducted to examine the impact of financial education for citizens of Cherokee Nation on saving and financial decision making and was grounded in prospect theory and quasi-rational economics. Accordingly, the research questions focused on the extent of differences between individuals with and without financial education for decision making and saving as well as the extent demographic factors play a role. The research design was non-experimental causal comparative with financial …

Coping Strategies And Relationship Satisfaction Among Dual-Military Married Army Couples, Leila Powell-Disola

Walden Dissertations and Doctoral Studies

Since 2001, millions of U.S. military personnel have deployed overseas. Military deployment can be a tremendous stressor on military families and negatively impact the marital relationship. Few previous studies and interventions have considered the effects deployment can have on dual-military married couples. The purpose of this quantitative study was to examine what coping strategies dual-military couples used during deployment and whether use of these strategies affected their relationship satisfaction (RS). The theoretical framework for this study consisted of the social exchange theory and the exchange-based dual-military marriage model. A sample of 103 dual-military Army spouses, male or female, was recruited …

Resilience As A Mediator Of Perceived Organizational Justice And Turnover Intention For Licensed School Counselors, Autumn Warren Raffety

Walden Dissertations and Doctoral Studies

School counselor shortages and high turnover rates have been reported in school districts across the United States. These high turnover rates have led to critical problems for educational institutions as counselors serve a vital role in organizational success and stability. The purpose of this quantitative study was to investigate the relationship between organizational justice and turnover intention and whether resilience mediated this relationship for 102 licensed school counselors working in elementary and secondary schools in the United States. Equity theory provided the theoretical foundation for this study, and a nonexperimental correlational research design was used to examine the research questions. …

Counselor Experiences With Clients Who Bring Emotional Support Animals To Sessions, Jennifer Reynolds

Walden Dissertations and Doctoral Studies

AbstractLimited research on emotional support animals (ESAs) has led to distorted viewpoints of ESAs and how they are used; many individuals are not utilizing ESAs appropriately, and heightened awareness of the negative uses of ESAs in media and other public sources. ESAs can be an effective intervention when working with clients during counseling sessions, but due to the limited research and the negative stigma media this intervention may not be adequately represented. The purpose of this hermeneutic phenomenological study was to explore lived experiences of counselors who allow their clients to bring ESAs to counseling session, the goal of reducing …

Strategies For Increasing Information Technology Employee Work-Life Balance, Kimberly D. Seymour

Walden Dissertations and Doctoral Studies

Small to medium enterprise (SME) information technology (IT) managers’ lack of strategic planning initiatives in creating a work life balance environment has created personal and financial concerns for some employees in the United States. Managers must develop and implement strategies that increase profits and productivity as well as create work life balance. Grounded in Herzberg’s motivation-hygiene theory, the purpose of this qualitative multiple case study was to explore strategies SME IT business managers used to develop and implement an employee work-life balance environment. The participants were three IT managers and two human resources business managers. Data were collected from semistructured …

Social Media Marketing Strategies For Increasing Customer Engagement, Joe Nwachukwu Umunna

Walden Dissertations and Doctoral Studies

Some business leaders are not using social media to improve customer engagement resulting in a potential loss of profit. Ineffective social media marketing strategies can negatively impact customer engagement. Grounded in the networking, representation, engagement theory, the purpose of this qualitative multiple case study was to explore social media marketing strategies business leaders use to increase customer engagement. The participants comprised of six business leaders located in the northeast region of the United States who effectively used social media marketing strategies to increase customer engagement. Data were collected from semistructured interviews and analyzed using thematic analysis. Four themes emerged: marketing …

Risk Factors For Foodborne Illness Outbreaks In Retail Food Establishments, Brendalee Viveiros

Walden Dissertations and Doctoral Studies

Despite policies and interventions over the last two decades, foodborne illness remains a significant public health concern. According to the CDC’s Foodborne Disease Outbreak Surveillance System, 60% of reported foodborne illness outbreaks involved food that was prepared at a restaurant. Reducing foodborne illness outbreaks that occur at restaurants would have a significant impact on the overall number of foodborne illnesses that occur each year. The purpose of this study was to quantitatively analyze the differences in risk factors in food establishments that have had a foodborne illness outbreak compared to food establishments that have not. This study used Reckwitz’s theory …

Play Lu Interactive Technology And Standardized Mathematics Scores, Oguz Yildiz

Walden Dissertations and Doctoral Studies

Technology-based learning tools provide new opportunities to engage students in learning academic content. This study focuses on one such tool, Play Lu Interactive Technology (PLIT), and analyzes how students’ math achievement on standardized test scores differs between students who have used PLIT and students who have not. PLIT is designed to improve students’ communication and teamwork skills in addition to math skills. The data were collected from seventh-grade students at a public school in the state of New York that used PLIT to support students’ academic achievement in math. Due to scheduling limitations, only half of the seventh-grade students used …

Organization Global Software Development Challenges Of Software Product Quality, Patrick Enabudoso

Walden Dissertations and Doctoral Studies

Leaders of global software development (GSD) processes in organizations have been confronting low software product quality. Managers of these processes have faced challenges that have been affecting customer satisfaction and that have resulted in negative social impacts on public safety, business financial performance, and global economic stability. The purpose of this qualitative exploratory multiple case study was to discover a common understanding shared by managers in Canadian GSD organizations of how to meet software product quality goals and enhance customer satisfaction. The conceptual framework for the study was based on Deming's 14 principles of quality management. The purposeful sample included …

Reducing Readmissions For Patients Hospitalized With Congestive Heart Failure, Morgan B. Morgan

Walden Dissertations and Doctoral Studies

Congestive heart failure (CHF) is the leading cause for readmission in hospitals and has a

high mortality and morbidity rate, with implications for hospitals and third-party payers.

Readmissions of patients with CHF are related to inadequate patient knowledge at

discharge, inadequate follow-up with a health care provider, and treatment regimen

nonadherence. Patients report feeling ill prepared to provide appropriate self-care during

the transition from inpatient hospital stay to the home setting. One strategy to assess the

patient's understanding following discharge education is through a process known as

teach-back. The purpose of this quality improvement initiative guided by Knowles's

theory was …

Community College Students' Perceptions Of Developmental Mathematics And Influences On Persistence, Sumithra S. Iyer

Walden Dissertations and Doctoral Studies

The increase in the dropout rates associated with developmental mathematics classes in 1 Texas community college provoked the need for this study. The purpose of this case study was to explore students' reasons for dropping out of developmental mathematics and what might have helped them be successful. Tinto's model of student attrition, which is characterized by students' social and academic integration affecting their retention in the college, provided the conceptual framework for the study. The research questions addressed the students' perceptions of both why they dropped out of developmental mathematics courses and what might have helped them to successfully complete …

Caregiver Role In Alcohol Abuse Treatment For Individuals With Intellectual Disabilities, Mariam Nicoll

Walden Dissertations and Doctoral Studies

With deinstitutionalization in the 1970s, individuals with intellectual disabilities were

mainstreamed back into their communities, along with an increase in the prevalence of

alcohol abuse and a necessity for family members to be the main source of care, support,

and advocacy. The purpose of this hermeneutical phenomenological study was to explore

the lived experiences of caregivers of family members with intellectual disabilities

abusing alcohol and the obtainment of substance abuse treatment services. The

conceptual framework included a combination of family stress and caring theories which

provided an ontological direction as to how caregivers perceived the phenomenon of

obtaining substance abuse …

Impact Of Servant Leadership Style On Customer Service And Patient Satisfaction, Chibunna E. Nwaobia

Walden Dissertations and Doctoral Studies

Patient satisfaction presents an emerging area of research for healthcare providers because major healthcare providers like Medicare/Medicaid control the finances of healthcare institutions as based on their patient and customer satisfaction. The purpose of this study was to examine the impact of servant leadership on customer service, and patient satisfaction, in the Inland Empire Region of Southern California. The theoretical framework applied to this study was the servant leadership theory. Participants consisted of 82 managerial staff within the University Health System, which is comprised of a teaching hospital, 5 behavioral health centers, 10 federally qualified health centers, and a public …

Technical Strategies Database Managers Use To Protect Systems From Security Breaches, Leonard Ogbonna

Walden Dissertations and Doctoral Studies

Healthcare organizations generate massive amounts of data through their databases that may be vulnerable to data breaches due to extensive user privileges, unpatched databases, standardized query language injections, weak passwords/usernames, and system weaknesses. The purpose of this qualitative multiple case study was to explore technical strategies database managers in Southeast/North Texas used to protect database systems from data breaches. The target population consisted of database managers from 2 healthcare organizations in this region. The integrated system theory of information security management was the conceptual framework. The data collection process included semistructured interviews with 9 database managers, including a review of …

Customer Retention Strategies In The Fitness Industry, Rodney Macon

Walden Dissertations and Doctoral Studies

In the health and fitness club business, acquiring new customers can be problematic for business leaders and may hinder sustainability. Grounded in customer retention management theory, the purpose of this qualitative multiple case study was to explore strategies health and fitness club managers used to improve customer retention. The participants were 6 health and fitness club managers who succeeded in improving customer retention while employed at 5 fitness clubs in Southeast Texas. Data were collected using semistructured interviews, a review of company websites, and social media pages. General and inductive analysis were used to analyze the data. One overarching theme, …

Understanding The Use Of Learner-Centered Teaching Strategies By Secondary Educators, Carmen M. Cain

Walden Dissertations and Doctoral Studies

Use of learner-centered teaching strategies (LCTS) in the classroom practices improves academic achievement. Secondary educators do not consistently demonstrate the use of these strategies. The purpose of this study was to investigate how secondary educators were using LCTS in their instruction and what support they perceived to need to use such strategies. The conceptual framework for this dissertation was based on the Dreyfus and Dreyfus model of skill acquisition. The research questions focused on how secondary educators use LCTS and the support they need to use these strategies in their classrooms. This study was a basic qualitative design that examined …

Effective Strategies Small Business Leaders Use To Address Ransomware, William Jason Tuttle

Walden Dissertations and Doctoral Studies

Small business leaders face a wide range of cybersecurity threats. Ransomware is a specific cybersecurity threat that cybercriminals can use to deny small business leaders’ access to data in exchange for a ransom payment. Grounded in routine activity conceptual framework, the purpose of this qualitative multiple case study was to explore effective strategies small business leaders use to address ransomware. Data were collected from 5 leaders of small businesses in the southeast region of the United States. Data sources included interviews and archival documents. Data were analyzed using Yin’s 5 step process. The analysis revealed 3 primary themes: ransomware strategy, …