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Multifactor Capital Asset Pricing Model In The Jordanian Stock Market, Mohammad Kamel Elshqirat

Walden Dissertations and Doctoral Studies

A valid and accurate capital asset pricing model (CAPM) may help investors and mutual funds managers in determining expected returns and thus, may increase profits which can be reflected on the community resources. The problem is that the traditional CAPM does not accurately predict the expected rate of return. A more accurate model is needed to help investors in determining the intrinsic price of the financial asset they want to sell or buy. The purpose of this study was to examine the validity of the single-factor CAPM and then develop and test the validity of a multifactor CAPM in the …

Creation Of An Evidence-Based Practice Guideline For A Seclusion Alternative, Patricia Green

Walden Dissertations and Doctoral Studies

Seclusion is a behavioral management intervention used at the practicum site to manage maladaptive behaviors seen in mentally ill patients. Seclusion is not a voluntary occurrence for patients. The practice-focused question asked: Can development of an evidence-based practice (EBP) guideline help guide health care providers in the development of a multisensory room as an alternative to seclusion for people living with mental health disorders (PLWMHD)? The purpose of this DNP project was to develop the EBP guideline for a multisensory room as an alternative to seclusion for the practicum site. To aid in the development of the EBP guideline, the …

Effects Of Stigma On The Use Of Spirituality By Older Black Men Living With Hiv, Warren Lee Miller

Walden Dissertations and Doctoral Studies

Previous research on HIV stigma and the use of spirituality by people living with HIV/AIDS is scarce. Moreover, the research with older Black men who have sex with men (BMSM) is scant. The focus of this qualitative transcendental phenomenological study was to examine the lived experiences of BMSM living with HIV aged 50 and older with encounters of HIV stigma on the use of spirituality. The research questions were designed to explore the lived experiences of aging, HIV stigma, and spirituality. Conceptually, this study was framed within the minority stress theory and the HIV stigma framework. Data were collected through …

An Exploration Of The Causes Of Success And Failure Of Managed Change, Michael Moore

Walden Dissertations and Doctoral Studies

Change management (CM) and organizational development are mature industries with decades of research and development. Yet, failure rates stated for organizational change initiatives remain high at 70%. This failure rate suggests that 30% of change initiatives were successful, but no reports of these successes were found in the literature. The overarching question considered the experiences of change leaders of successful CM initiatives. The conceptual framework for this research consisted of change models defined by Burke, Kotter, Schein, and others. The primary purpose of this study was to identify the strategies used by successful change leaders. 10 phone interviews with senior …

Breast Cancer Disparities Among African American Women Corresponding To Health Service Barriers, Dianne Jamerson

Walden Dissertations and Doctoral Studies

African American women tend to experience higher health disparities in cancer-related illness than any other female population in the United States. The purpose of this qualitative case study was to identify and examine access-related barriers that play a significant role in the decision-making process of this population when seeking breast cancer health services. The central research question explored the effect that barriers to health care have on African American women in the Southeastern region of the United States. Secondary research questions explored the role the Patient Protection and Affordable Care Act of 2010 has on improving access to affordable, quality …

Stress And Job Satisfaction In Career College Criminal Justice Department Heads, Sherria Nicole King

Walden Dissertations and Doctoral Studies

There has been a significant amount of research on the impact of stress and job satisfaction amongst employees in a multitude of professional settings, including the criminal justice and higher education field. Yet, information on criminal justice professionals who work in more untraditional types of higher education institutions, such as career colleges, was lacking. The purpose of this quantitative research study was to examine whether there is a significant relationship between stress, job satisfaction, and being employed as a criminal justice department head within a career college institution and compare whether heads of other departments within career college institutions differ …

Resiliency And Age As Predictors Of Academic Performance Among Adult Online Students With Trauma-Related Disabilities, Carrie Lebarron

Walden Dissertations and Doctoral Studies

Understanding the importance of resilience in academic performance as it pertains to adult online students is valuable to the people who provide services to, work with, and are a part of the population. The need to develop and enhance social programs that will improve outcomes for students with trauma-related disabilities is beneficial in increasing graduation rates and improving on the time it takes for adult online students to graduate. There is also a need for research focused on students with trauma-related disabilities because the literature in the field was found to be lacking in information. The purpose of the study …

Demographic Differences, Self-Esteem And Sexual Assertiveness Among Black Women, Sharon Lewis-Keith

Walden Dissertations and Doctoral Studies

There is a high HIV prevalence rate for Black women in Virginia; however, few scholars have examined how sexual assertiveness and self-esteem against HIV vary within this group. Black women who have low levels of self-esteem may increase their risk for HIV. The purpose of this quantitative cross-sectional study was to determine if four aspects of sexual assertiveness (sexual initiation, sexual refusal, HIV/AIDS/STD communication, and contraception/STD prevention) differed across demographic categories and were associated with self-esteem in a diversified group of Black women living in Virginia. A cross-sectional survey was conducted with a community-based sample of 117 adult Black women. …

Weight Bias In Healthcare: An Investigation Of Impact On Obesity, Jennifer Scheffler, Fnp

Walden Dissertations and Doctoral Studies

More than two-thirds of Americans are obese or overweight. Obesity rates have risen to an epidemic level, contributing to health inequalities and leading to reduced health-related quality of life. When obese and overweight persons face weight bias by health care providers, fragmented care may occur. Ensuring positive relationships with healthcare providers is important in helping those who are obese or overweight. The purpose of this project was to understand the factors that contribute to negative weight bias in the provider-patient relationship and to identify the most effective interventions that would reduce stigmatizing attitudes and support self-awareness, acceptance, and resolution for …

A Program Evaluation Of A Preadolescent Girls' Youth Development Program, Linda F. Weekley

Walden Dissertations and Doctoral Studies

Programs that include skills to help girls successfully navigate the difficulties of preadolescence have been shown to be beneficial. One such youth development program in the southeastern part of the United States began in 2014 but has had no formal evaluation completed. The purpose of this qualitative study was to conduct a utilization-focused process evaluation, asking questions that addressed the perceptions of a school leader (n = 1) and volunteers of the program (n = 8). Their input was solicited concerning successful implementation strategies used, and recommendations for adaptations, recruitment, and volunteer training. Semistructured interviews were conducted using predetermined open-ended, …

Patient Experience And Readmissions Among Medicare Shared Savings Programs Accountable Care Organizations, Benjamin Michael Anderson

Walden Dissertations and Doctoral Studies

In 2011, Medicare patients represented the largest share of total readmissions and health costs when compared to all other patient categories. Because patient-centered care drives the use of health services, the U.S. Patient Protection and Affordable Care Act outlined improving the patient experience to reduce readmission rates; however, the relationship between patient experience and readmissions is not well understood. Grounded in systems theory, the purpose of this correlational study was to determine if the relationship between patient experience and readmission rates in Medicare Shared Savings Program accountable care organizations. Data from the Consumer Assessment of Healthcare Providers and Systems survey …

Analytic Extensions To The Data Model For Management Analytics And Decision Support In The Big Data Environment, Nsikak Etim Akpakpan

Walden Dissertations and Doctoral Studies

From 2006 to 2016, an estimated average of 50% of big data analytics and decision support projects failed to deliver acceptable and actionable outputs to business users. The resulting management inefficiency came with high cost, and wasted investments estimated at $2.7 trillion in 2016 for companies in the United States. The purpose of this quantitative descriptive study was to examine the data model of a typical data analytics project in a big data environment for opportunities to improve the information created for management problem-solving. The research questions focused on finding artifacts within enterprise data to model key business scenarios for …

Intervention Specialists' Perceptions Of A Tutoring Program For High School Students With Disabilities, Jerlisa M. Calhoun

Walden Dissertations and Doctoral Studies

Students with disabilities (SWD) at an urban high school in Midwestern United States experienced academic, social, and emotional problems. When SWD experience difficulties in high school, they may drop out and face potentially life-long problems. The purpose of this case study was to understand how a Response to Intervention (RTI) tutoring program addressed the academic, social, and emotional needs of students using the RTI model as a conceptual framework. The research questions addressed intervention specialists' perceptions of how use of the RTI model helped them meet SWD needs and what tutoring documents revealed about tutoring practices. Data sources consisted of …

Perceptions Of Black Heterosexual Men In An Involuntarily Childless Relationship Considering Adoption, Richard P. Campbell

Walden Dissertations and Doctoral Studies

Research on involuntary childlessness and adoption among heterosexuals is primarily focused on women's needs and perceptions. Consequently, little is known about how men view childlessness and adoption, and less is known about Black men's perceptions. The purpose of this qualitative case study was to explore Black heterosexual men's experiences of considering adoption when involved in an involuntarily childless relationship. Bronfenbrenner's ecological systems theory served as a foundation for this study. Data were derived from semi structured interviews with 7 participants and 3 adoption professionals. Transcribed and coded data were analyzed using MAXQDA 2018, a qualitative data analysis software. Initial codes …

Understanding Experiences Of The Bermuda Government's Youth-Serving Professionals In Transformational Coaching, Nicola Feldman

Walden Dissertations and Doctoral Studies

Public administrators and civil servants working with vulnerable youth have the challenging yet critical job of supporting their young clients in overcoming adversity and achieving optimal life outcomes. Public administrators and civil servants work with vulnerable youth to help shift their trajectories toward positive life outcomes; however, if these professionals are not thriving in the workplace, they may not have the best possible positive influence on youth. Little was known about how to support the ability of professionals to experience professional thriving, defined as the experience of feeling energized at work and motivated toward professional growth and success. The purpose …

Changes In Attitudes Towards Substance Use Among High School Students, Laura Sue Catherine Elias

Walden Dissertations and Doctoral Studies

Use of alcohol and illicit drugs during adolescent development can have negative effects on cognitive functioning and mental health. The purpose of this cross sectional study was to examine grade level, sex, athletic affiliation, and ethnicity as they relate to substance-using attitudes to isolate the period in which shifts in attitudes toward substance use in adolescents occur. The social learning theory provided the framework for the study. Participants included 276 high school students from a midsized Midwestern city. Students in the ninth, 10th, 11th, and 12th grades who participated in the study were asked to complete a brief electronic survey …

Perinatal Residents' Perceptions Of Confidence Gained Through Their Preceptors, Veritta Henderson

Walden Dissertations and Doctoral Studies

The importance of preceptorships, as a mechanism to transfer knowledge of evidence-based nursing practices and developing confidence in nurses, is well-known. However, the effectiveness of preceptorships to develop confidence in perinatal nurses who provide safe care to childbearing women is unknown. Guided by Kolb's model of experiential learning and using a narrative analysis approach, this study examined perinatal nurse residents' perceptions of experiences that enhanced learning and developed confidence during preceptorship. Twenty nurses who completed a perinatal nurse residency of 18 weeks or more in the past 12 months participated in audiotaped, structured interviews. Their answers were transcribed and data …

Strategies For Adopting Additive Manufacturing Technology Into Business Models, Robert Martens

Walden Dissertations and Doctoral Studies

Additive manufacturing (AM), also called 3-dimensional printing (3DP), emerged as a disruptive technology affecting multiple organizations' business models and supply chains and endangering incumbents' financial health, or even rendering them obsolete. The world market for products created by AM has increased more than 25% year over year. Using Christensen's theory of disruptive innovation as a conceptual framework, the purpose of this multiple case study was to explore the successful strategies that 4 individual managers, 1 at each of 4 different light and high-tech manufacturing companies in the Netherlands, used to adopt AM technology into their business models. Participant firms originated …

Strategies Small Construction Business Managers Use To Reduce Safety Incidents In Their Organization, Peggy Ann Mcknight

Walden Dissertations and Doctoral Studies

Globally the construction industry struggles to prevent injurious and fatal safety incidents. The purpose of this single case study was to explore strategies used by construction business managers that had significantly reduced the occurance of safety incidents in a Northwest Ohio construction company. Data were collected from organizational records and interviews with 6 construction managers. The conceptual framework for this research was the concept of safety management systems. Data were compiled and organized, disassembled into fragments, grouped, and then interpreted for meaning. Methodological triangulation and member checking were used to enhance reliability and validity. Four themes emerged from the data: …

Perceptions And Interpretations Of Posttraumatic Stress Disorder Among Cambodian Immigrant Community, Raksmey Arun Roeum Castleman

Walden Dissertations and Doctoral Studies

Posttraumatic stress disorder (PTSD) affects more than 60% of Cambodian immigrants in the United States. However, researchers do not yet know why less than 5% of Cambodian immigrants are accessing mental health services. This qualitative study involved investigation of participants' perceptions of how PTSD is manifested in the Cambodian immigrant community to understand barriers to mental health services access. The social ecological theory provided a frame for understanding how traditions, values, culture, and beliefs affect Cambodian immigrants' perceptions of PTSD and the mental health system. Data was collected from semi structured interviews of 13 participants, 18 to 70 years of …

Nurse Practitioners' Experiences With Role Transition: Supporting The Learning Curve Through Preceptorship, Viktoriya Y. Pleshkan

Walden Dissertations and Doctoral Studies

The nurse practitioner (NP) role transition is difficult and ill-supported before and after graduation. Although preceptorships are essential in supporting a NP's role transition, there is a paucity of data on student and novice NPs' experiences with their role transition and how it is supported through preceptorships. The purpose of this hermeneutic phenomenological study was to understand and describe the meaning of NPs' role transition experiences while in a preceptorship before and after graduation. Schlossberg's transition theory and the cognitive apprenticeship models were used to guide the exploration of concepts of role transition and preceptorship. One face-to-face, 3 Skype, and …

Management Of Postoperative Pain In The Total Joint Replacement Patient, Angela Washington

Walden Dissertations and Doctoral Studies

Managing postoperative pain continues to be a challenging public health problem. The organization under study was experiencing a prolonged length of hospital stay (LOS) in the post-total knee and hip replacement surgery population that was causing system-wide patient flow issues. The purpose of this quality improvement project was to educate patients through an established education class on pain expectations, strategies on managing pain, discharge planning, and physical therapy expectations with a goal of reducing pain and LOS. The health belief model was used as a guide to incorporate new content into the educational program that addressed patient knowledge on pain, …

Second Grade Teachers' Perspectives On Differentiated Instruction, Alyssa Simmons

Walden Dissertations and Doctoral Studies

Despite various instructional efforts, the second grade students in a mid-sized Southwestern school district failed to progress in reading. Although differentiated instruction has been shown to improve literacy skills for young readers, many teachers at the study site did not differentiate instruction for all students. Grounded in theories of social constructivism and differentiated instruction, the purpose of this study was to investigate second grade teachers' perspectives about using differentiated literacy instruction and the effect of their teaching experience and participation in professional development on those perspectives. Data for this nonexperimental, causal-comparative study were collected from 93 second grade teachers via …

Minimizing Home Health Care-Acquired Pressure Injuries Through Effective Nursing Teamwork, Juliana Baah

Walden Dissertations and Doctoral Studies

Pressure injuries (PIs) affect an estimated 2.5 million people in America and cost the nation approximately $11.6 billion each year. The goal of this DNP project was to minimize the rate of PIs at a home health care agency through effective teamwork. Prevention of PIs is very important because PIs damage patients' skin integrity, cause significant amount of pain, are costly to treat, and cause life-threatening infections. The purpose of this DNP project was to evaluate nursing compliance with PI prevention measures and the level of nursing teamwork at the project agency. The Braden-Bergstrom conceptual framework was used to explain …

Meeting The Nutritional Needs Of Very Low Income Diabetic Patients, Mary Hossley

Walden Dissertations and Doctoral Studies

Adult Type II diabetes is an increasing public health problem, particularly among very low-income minority populations. The purpose of this study was to create a nutritional guide for a diabetic specific meal plan with an accompanying food pantry nutrition packet for very low-income Type II diabetic patients at a rural Mississippi Free Clinic. The practice-focused question is: Will a nurse-prepared nutritional guide with supplemental food packets improve the glucose control in low income diabetic patients? The gap in practice is that there has been no structured nutrition education guide and no food pantry support plan for Type II adult diabetics. …

Exploring Value Of Perceived Problem Resolution In Success Of Online Doctoral Students, Vanessa S. O'Neal

Walden Dissertations and Doctoral Studies

How doctoral students view their institution's ability to resolve problems may be directly related to their overall satisfaction of the institution. Challenges such as barriers to communication could have a negative effect on the students' ability to be retained by the institution. Policies to address issues relating to retention; high default rates on student loans and student services are increasing and more constraining. While the literature indicates the formation of federal policies to monitor recruitment practices of for-profit online institutions, it is not known to what extent these policies have influenced the quality of postrecruitment services. Using the theoretical framework …

Successful Climate Change Strategies In Corporate Farming In North America, Deann Renee Reaves

Walden Dissertations and Doctoral Studies

The impact of climate change on agriculture is evident in changing growing seasons, crop yield, crop quality, and even complete crop losses. Changing climate conditions negatively affect the profitability of agricultural organizations. This study was a single descriptive case of one agricultural corporation in the western United States. The purpose was to identify and explore successful climate change-based sustainability strategies. The conceptual framework for this study was legitimacy theory. The data collection methods consisted of a semistructured interview of a corporate exectutive and obtaining corporate documents, including the annual report from the company's website. Data were analyzed using content analysis …

Perceptions Among African American Women Welfare Recipients In Advocating For Welfare Reform, Linda Denise Scope

Walden Dissertations and Doctoral Studies

The 1996 Personal Responsibility and Work Opportunity Act (PRWORA) significantly affected many families by changing public assistance from an entitlement program to a work program for recipients and imposing a 60 month maximum period for receiving assistance. Unanticipated outcomes created deleterious results for many single parents. This multiple case study explored the experiences of four African American single mothers in the mid-Atlantic region of the United States receiving assistance regarding welfare reform, the welfare system and their perceptions of welfare advocacy. Black feminist and empowerment theories framed the study to examine how welfare policy changes affected African American women's families …

Health Literacy Best Practices In Policy Development, Stacie Lee Trueheart

Walden Dissertations and Doctoral Studies

Low health literacy is a problem the U.S. faces and, like health care itself, is a complex issue stemming from patient demographics and the healthcare providers being very diverse. Tools have been developed to mitigate the risks of low health literacy, however, without formal policy. The purpose of this qualitative case study was to explore and compare commonalities in health literacy best practices of organizations that are recognized as leaders in health literacy and are addressing low health literacy in their communities. By comparing the organizations' abilities to implement standards of plain language and health literacy tools/guidelines, best practice and …

African American Women Caring For Loved Ones With Alzheimer's Disease And Dementia, Lisa M. Forbes

Walden Dissertations and Doctoral Studies

Abstract

In 2016, a dramatic shift occurred in demographics in the United States because the oldest people in the baby boomer generation, which consists of people born between 1946 and 1964, reached age 65. The larger aging population and longer lifespans have produced an increased need for care and services. There are an estimated 5.4 million Americans of varying ages living with a diagnosis of dementia or Alzheimer's disease. Diagnoses of Alzheimer's disease are more prevalent among African Americans than other ethnicities. With little research found on culturally appropriate interventions for specific ethnic groups, a more detailed review of the …