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Articles 1 - 30 of 33
Full-Text Articles in Physical Sciences and Mathematics
Small Business Sustainability In The Salon Industry, Militea Johnson-Hilliard
Small Business Sustainability In The Salon Industry, Militea Johnson-Hilliard
Walden Dissertations and Doctoral Studies
Small businesses fail at high rates; 51% fail to succeed in business beyond the first 5 years. The purpose of this exploratory case study was to explore the strategies that salon business owners used to succeed in business. The sample comprised of 2 salon business owners in Savannah, Georgia who have been in business more than 5 years. The conceptual framework was based on the general systems theory. Data were collected from conducting semistructured interviews with each business owner, a review of company business plans, direct observation of participants during client interaction in the salon, as well as member-checking interview …
Technological Factors For The Sustainability Of The Small Business Entrepreneur, Noghor Pessu
Technological Factors For The Sustainability Of The Small Business Entrepreneur, Noghor Pessu
Walden Dissertations and Doctoral Studies
Technical innovation creates challenges for the small business entrepreneur who uses global activities in the marketplace. Information technology and the technological innovations of the World Wide Web are driving competitiveness in the marketplace with a loss of market share for the individual business owner. The purpose of this phenomenological study was to explore the lived experiences and perceptions of a purposive sample of 20 small business owners in the metropolitan Atlanta area regarding the effect of technology, technological insertion, and application for long-term sustainability. Rogers's diffusion of innovations theory served as the conceptual framework of this study. Data were gathered …
Rural Year-Round Growing To Ameliorate A Possible Negative Effect From Climate Change, Kimberlie A. Brussa
Rural Year-Round Growing To Ameliorate A Possible Negative Effect From Climate Change, Kimberlie A. Brussa
Walden Dissertations and Doctoral Studies
The Intergovernmental Panel on Climate Change (IPCC) suggested that, as the world population grows, food and water shortages will become even more serious issues (IPPC's 2014 predictions about the future effects of climate change (CC), Year-round growing (YRG) may provide a way for communities to extend growing seasons, expand local farm systems, and provide food year round. This case study included a detailed analysis of responses from representatives of all sectors of rural Mesa County, Colorado, regarding YRG and a local food and farm plan due to CC. The case was bounded by time (6 months of data collection) which …
Nitrate In Private Wells:Knowledge, Oppinions,And Perceptions Of Stakeholders, Augustus D. Jaja
Nitrate In Private Wells:Knowledge, Oppinions,And Perceptions Of Stakeholders, Augustus D. Jaja
Walden Dissertations and Doctoral Studies
The purpose of this quantitative study was to examine data describing nitrate concentration and cases of congenital cardiac defects. Residents with private wells and other stakeholders need data to make informed environmental decisions about the adverse health implications of nitrate contamination of private well water. Researchers have examined the exposure of nitrate in contaminated groundwater, but they have not examined nitrate levels in unregulated water systems. This gap in the literature highlighted the need to provide nitrate data for future research and private well users. Guided by the social ecological model, a quantitative, cross-sectional, nonexperimental design was used to survey …
Correlations Between Childhood Obesity And Obesogenic Environmental Variables Within Durham County, North Carolina, Eureka Capri Daye
Correlations Between Childhood Obesity And Obesogenic Environmental Variables Within Durham County, North Carolina, Eureka Capri Daye
Walden Dissertations and Doctoral Studies
The application of geographic information systems was used to map obesogenic conditions by zip code tabulation areas in Durham County, North Carolina and evaluated associations between those conditions and the understudied area of early childhood obesity. Of the thirty one percent of the children in Durham County, North Carolina who were considered obese in 2010, four hundred and thirty three (1:5) 2 - 4 year old children who received supplemental nutrition services for women, infants and children were obese with BMI levels greater or equal to the 95th percentile and were used as the criterion variable in the study (N=433). …
Financial Statement Disclosure Of Carbon Footprint Costs In The Airline Industry, Carol Anne Tuck-Riggs
Financial Statement Disclosure Of Carbon Footprint Costs In The Airline Industry, Carol Anne Tuck-Riggs
Walden Dissertations and Doctoral Studies
Unaccountable corporate polluters profit short term at the expense of global economic sustainability. The purpose of the study was to determine if carbon dioxide (CO2) penalties on the airline emissions would result in financial statement disclosure and emission mitigation. Contributing to environmental accounting, the study was based in corporate social responsibility with a conceptual framework based on economically-centered CO2 studies. A random sample of 69 global airlines, taken from the International Air Transport Association (IATA) and the International Civil Aviation Organization (ICAO) memberships, was stratified between EU bound and non-EU bound airlines. The research questions explored (a) the frequency mean …
Climate Change Implications For Health-Care Waste Incineration Trends During Emergency Situations, Emilia Mmbando Raila
Climate Change Implications For Health-Care Waste Incineration Trends During Emergency Situations, Emilia Mmbando Raila
Walden Dissertations and Doctoral Studies
Healthcare waste (HCW) incineration practices in the global South countries are among the major sources of black carbon (BC) emissions or smoke. This study analyzes HCW incineration trends during emergency situations and smoke from HCW incineration processes in Haiti. The study was prompted by the current arguments about the climate change and the growing health effects associated with BC emissions. The conceptual framework was based on both adverse health effects from BC emissions exposure and climate change potential of BC emissions. Therefore, the goal was to determine whether cardboard HCW sharps containers emit lower BC emissions to the atmosphere during …
Applying The Analytic Hierarchy Process To Oil Sands Environmental Compliance Risk Management, Izak Johannes Roux
Applying The Analytic Hierarchy Process To Oil Sands Environmental Compliance Risk Management, Izak Johannes Roux
Walden Dissertations and Doctoral Studies
Oil companies in Alberta, Canada, invested $32 billion on new oil sands projects in 2013. Despite the size of this investment, there is a demonstrable deficiency in the uniformity and understanding of environmental legislation requirements that manifest into increased project compliance risks. This descriptive study developed 2 prioritized lists of environmental regulatory compliance risks and mitigation strategies and used multi-criteria decision theory for its theoretical framework. Information from compiled lists of environmental compliance risks and mitigation strategies was used to generate a specialized pairwise survey, which was piloted by 5 subject matter experts (SMEs). The survey was validated by a …
Brazilian Women Entrepreneurs: Exploring Strategies For Building Sustainable Business Organizations, Maria Ana Church
Brazilian Women Entrepreneurs: Exploring Strategies For Building Sustainable Business Organizations, Maria Ana Church
Walden Dissertations and Doctoral Studies
Brazilians create an average of 1.2 million new registered enterprises annually, but some struggle to keep their business in operation. Thirty percent of the new ventures are unable to survive the first year, and 58% go out of business after the first 5 years. The goal of this phenomenological study was to explore the perceptions of Brazilian women entrepreneurs concerning the strategies needed to build sustainable business organizations in Brazil. The individual concepts of sustainable development, sustainability, business strategies, and business models served as the theoretical foundations for the study. Data were collected via in-depth interviews with 20 women entrepreneurs …
County Demographic Influence On Toxic Chemical Activities Of Chemical-Related Industry In Michigan, Lisa Helen Perricane
County Demographic Influence On Toxic Chemical Activities Of Chemical-Related Industry In Michigan, Lisa Helen Perricane
Walden Dissertations and Doctoral Studies
There are a large number of chemical facilities that emit toxic chemicals in Michigan, and there is a concern regarding toxic chemical exposure to the residents of Michigan counties. However, it is uncertain whether chemical companies that emit toxic chemicals in Michigan are influenced by county demographic factors in deciding whether to engage in voluntary pollution prevention (P2) activities and whether this decision influences U.S. Environmental Protection Agency's (U.S. EPA) Risk-Screening Environmental Indicators (RSEI) scores. Using Bullard's theory of environmental justice, the purpose of this quantitative study was to determine if there was a correlation between chemical-related industry's voluntary P2 …
Using Sustainable Development As A Competitive Strategy, Pat Spearman
Using Sustainable Development As A Competitive Strategy, Pat Spearman
Walden Dissertations and Doctoral Studies
Sustainable development reduces construction waste by 43%, generating 50% cost savings. Residential construction executives lacking adequate knowledge regarding the benefits of sustainable development practices are at a competitive disadvantage. Drawing from the diffusion of innovation theory, the purpose of this qualitative case study was to explore knowledge acquisition within the bounds of sustainable residential construction. The purposive sample size of 11 executive decision makers fulfilled the sample size requirements and enabled the extraction of meaningful data. Participants were members of the National Home Builders Association and had experience of a minimum of 5 years in residential construction. The research question …
Networking The Relationships Of Microenterprise Development In Bulgaria, Kristina Ann Harris
Networking The Relationships Of Microenterprise Development In Bulgaria, Kristina Ann Harris
Walden Dissertations and Doctoral Studies
The networking relationships provided by microenterprise development (MED) organizations foster sustainable and scalable Bulgarian small businesses. Some Bulgarian MED leaders lack the strategies to help sustain small businesses in Bulgaria. Guided by the actor network theory, the purpose of this case study was to explore the strategies MED leaders use to help sustain small businesses in Bulgaria. Data were collected through a semistructured focus group comprised of MED Bulgarian business leaders (n = 4) in Rhodope Mountain Region and company data consisting of financial reports, marketing presentations, and company business plan. The data analysis included using keyword frequency comparisons, coding …
Dynamically Hedging Oil And Currency Futures Using Receding Horizontal Control And Stochastic Programming, Paul Edward Cottrell
Dynamically Hedging Oil And Currency Futures Using Receding Horizontal Control And Stochastic Programming, Paul Edward Cottrell
Walden Dissertations and Doctoral Studies
There is a lack of research in the area of hedging future contracts, especially in illiquid or very volatile market conditions. It is important to understand the volatility of the oil and currency markets because reduced fluctuations in these markets could lead to better hedging performance. This study compared different hedging methods by using a hedging error metric, supplementing the Receding Horizontal Control and Stochastic Programming (RHCSP) method by utilizing the London Interbank Offered Rate with the Levy process. The RHCSP hedging method was investigated to determine if improved hedging error was accomplished compared to the Black-Scholes, Leland, and Whalley …
A Qualitative Analysis Of Migrant Women Farmworkers' A Qualit Ative Analysis Of Migrant Women Farmworkers’ Perceptions Of Maternal Care Management, Stacey A. Pilling
A Qualitative Analysis Of Migrant Women Farmworkers' A Qualit Ative Analysis Of Migrant Women Farmworkers’ Perceptions Of Maternal Care Management, Stacey A. Pilling
Walden Dissertations and Doctoral Studies
The purpose of this phenomenological study was to examine migrant women farmworkers' views of perinatal care management while working in the fields. Like men, women migrant farmworkers are exposed to many physical, chemical, and biological hazards that pose human health risks. However, women of childbearing age are at an increased risk of having reproductive health difficulties and adverse pregnancy outcomes, and the infant mortality rate among migrant farmworkers is estimated to be twice the national average. Perinatal care is a critical factor in reducing adverse outcomes for perinatal and newborn mortality. Face-to-face interviews were conducted with 15 migrant women farmworkers …
Technological Change And Employee Motivation In A Telecom Operations Team, Samuel Ogbonnaya Ude
Technological Change And Employee Motivation In A Telecom Operations Team, Samuel Ogbonnaya Ude
Walden Dissertations and Doctoral Studies
Some managers view innovative product development and convenient service delivery as necessary to business survival. However, unmotivated employees might negate any gains from the use of innovation. The purpose of this correlational study, grounded in diffusion of innovation theory, was to assess the relationship between creativity and support for innovation, resistance to change, and organizational commitment and employee motivation. A random sample of 81 information technology (IT) professionals from telecom service centers completed an online survey. Simultaneous multiple linear regression was the statistical technique used to analyze these data. The results indicated a poor model with low R2 to significantly …
Transformational Leadership And Safe Driving Performance In The U.S. Electric Utility Industry, Mackington Joseph
Transformational Leadership And Safe Driving Performance In The U.S. Electric Utility Industry, Mackington Joseph
Walden Dissertations and Doctoral Studies
Transformational leadership (TL) has been found popular in many industries in the United States and abroad for the perceived transformational leaders' effectiveness in improving occupational safety. There is a lack of empirical evidence to confirm these claims for safe occupational driving. This phenomenological study attempted to fill this knowledge gap in the electric utility industry where employees must drive in all weather conditions to restore power to customers. The conceptual framework for the study was based on leadership and motivation theories of Burns and Maslow. The research questions explored the influence of (a) TL on safe driving performance improvement in …
Factors Affecting Emergency Manager, First Responder, And Citizen Disaster Preparedness, Tiffany Cooks
Factors Affecting Emergency Manager, First Responder, And Citizen Disaster Preparedness, Tiffany Cooks
Walden Dissertations and Doctoral Studies
Despite the increased frequency of natural and man-made disasters, there is a problem in the level of preparedness of emergency managers, responders, and citizens to address them. The purpose of this grounded theory study was to explore the factors that affect these groups' preparedness to inform the development of better emergency plans to handle emergency incidences. The conceptual framework for the study was knowledge management, which was used with a grounded theory approach. The study was guided by primary research questions that focused on understanding psychological, material, temporal, organizational, and other factors that affect the preparedness of emergency managers, first …
The Lived Experiences Of Limited English Proficiency, Spanish-Speaking Male Ex-Offenders, Paula Nery Sanchez
The Lived Experiences Of Limited English Proficiency, Spanish-Speaking Male Ex-Offenders, Paula Nery Sanchez
Walden Dissertations and Doctoral Studies
The purpose of this phenomenological study was to explore the lived experiences of Spanish-speaking men in the United States with limited English proficiency following their release from prison. The study specifically examined the experiences of these men in their efforts to access health care treatment, housing, education, and employment in Central Pennsylvania. An empirical, phenomenological research design was employed that used self-stigma, critical race, and self-determination theories for in-depth interviews with 8 men who spent 5 to 24 years in prison. A tiered coding method was used to generate 6 interconnected themes that tell the story of these men's lives: …
Effect Of Neighborhood Features On Bmi Of African American Adolescents In South Los Angeles, Francisca Omelogo Obiora
Effect Of Neighborhood Features On Bmi Of African American Adolescents In South Los Angeles, Francisca Omelogo Obiora
Walden Dissertations and Doctoral Studies
Childhood obesity is a major national and worldwide public health crisis. The occurrence of childhood obesity, caused to large extent by an imbalance between caloric intake and caloric expenditure, has increased in the last 30 years. Although the prevalence of obesity has stabilized in recent years, it remains a top public health concern in the United States, especially in urban centers. The purpose of this study was to examine the associations between diet, physical activity, and the built environment in relation to the mean body mass index (BMI) of adolescents aged 12 to 17 years living in South Los Angeles, …
The Triple Bottom Line And Social Responsibility Framework In Public Sector Management, Matthew Ajiake
The Triple Bottom Line And Social Responsibility Framework In Public Sector Management, Matthew Ajiake
Walden Dissertations and Doctoral Studies
Leaders of public sector agencies must incorporate the voices of diversified stakeholders into planning and decision-making processes. With aging infrastructures around the world, public agencies are challenged to move public benefit projects forward when citizens are not engaged or empowered to participate in the process. The purpose of this triple bottom line (social, ecological, and financial) and social responsibility study was to explore whether public sector organizations are socially responsible by law. A case study was developed using data from publicly available documents and interviews that explored how the San Francisco Public Utilities Commission (SFPUC) implemented a social responsibility framework …
Governmental Procurement Restrictions, Deficit Reductions, And The Sustainability Of Alaska Native Corporations, Paul O. Fondren
Governmental Procurement Restrictions, Deficit Reductions, And The Sustainability Of Alaska Native Corporations, Paul O. Fondren
Walden Dissertations and Doctoral Studies
Alaska Native Corporations (ANCs) came under political scrutiny in the United States in 2009 during a climate of economic recession and governmental spending reductions. Since then, ANCs have faced increased governmental regulations that immediately changed the ways that their leaders previously achieved growth and success. The purpose of this explanatory case study was to identify elements of ANC strategic plans that lead to success and growth when operationally implemented. The central research questions investigated what executable strategic plans ANC leaders need to ensure sustainable business growth and what practices have led to success and failures. Data were collected from interviews …
Consumer Perceptions Of Eco-Friendly Products, Sheik M. Isaacs
Consumer Perceptions Of Eco-Friendly Products, Sheik M. Isaacs
Walden Dissertations and Doctoral Studies
The rate of failure to manage e-waste and the business sectors' failure to produce more eco-friendly products is high. These failure rates cause companies to lose profits on expanding an eco-friendly customer market. The central research question addressed by this correlational design examined the quality, price, and brand loyalty of eco-friendly products related to customers' willingness to recycle e-products. Consumer and buying behavior theories served as the theoretical framework in this investigation. SurveyMonkey was used to distribute the researcher-developed survey to the participants for the collection of the data. The collection data instrument was validated by performing a pilot test …
Engaging The Nonprofits In Louisville Housing Market For Low-Income Households, Joshua Omoniyi Odetunde
Engaging The Nonprofits In Louisville Housing Market For Low-Income Households, Joshua Omoniyi Odetunde
Walden Dissertations and Doctoral Studies
Nonprofit organizations often work in partnership with government agencies to empower low income people in the housing market through government subsidized mortgage loans. In spite of this assistance, homelessness and substandard housing is pervasive among low income households because this population primarily relies on the rental housing market, leaving a gap in practice and knowledge related to how nonprofits provide assistance to the overwhelming majority of low income consumers in need of housing. The purpose of this case study was to use social justice theory to explore how the nonprofit sector, as an economic force, provides assistance to and empowers …
Animas-La Plata Project Stakeholder Narratives: A Case Study Using Kingdon's Three Streams Theory, Denise Renee Rue-Pastin
Animas-La Plata Project Stakeholder Narratives: A Case Study Using Kingdon's Three Streams Theory, Denise Renee Rue-Pastin
Walden Dissertations and Doctoral Studies
Population growth, coupled with changing weather patterns, is straining water supplies, especially in the American Southwest. A multitude of tools, including additional storage, will be needed to meet water demand and supply gaps. The Animas-La Plata Project, a reservoir in southwest Colorado, provides a case study of how groups worked for nearly 70 years to solve a water problem: insufficient irrigation for agriculture. This qualitative case study addressed a lack of first-person narratives from those most involved. Its purpose was to gather stakeholder narratives and analyze them using Kingdon's three streams theory to address the extent to which the problem, …
The Space Debris Environment And Satellite Manufacturing, Walter Tam
The Space Debris Environment And Satellite Manufacturing, Walter Tam
Walden Dissertations and Doctoral Studies
Space debris is a growing threat to operational satellites and satellite manufacturing organizations. Leaders in satellite manufacturing organizations lacking adequate knowledge on the space debris risks could be at a competitive disadvantage. The purpose of this explorative case study was to explore strategies leaders in satellite manufacturing organizations use to mitigate risks through the conceptual lens of stakeholder theory, contingency theory, and general system theory. The research questions addressed strategies to mitigate the debris threat from the perspectives of both ongoing concerns and long-term risk resolution. Data were collected via in-depth interviews with 12 leaders, purposively selected, in satellite manufacturing …
Correlation Analysis Of Climatic Variables, Migration And Dengue Cases In Southeast Florida, Brunilda Lugo
Correlation Analysis Of Climatic Variables, Migration And Dengue Cases In Southeast Florida, Brunilda Lugo
Walden Dissertations and Doctoral Studies
Dengue fever is a debilitating, viral, mosquito-borne disease occurring in tropical and subtropical areas in the world. The majority of dengue cases in the United States were acquired in endemic areas by travelers or immigrants. However, in recent years, autochthonous (locally acquired) dengue cases have been diagnosed in Florida. The purpose of this study was to find an association between potential risk factors and the expansion of dengue fever in the United States. Guided by the eco-bio-social framework, which offers a broad assessment of risk factors for the illness, a retrospective design was used with archival data to correlate changes …
Strategies Utility Managers Used To Implement Renewable Energy Technologies In The Caribbean, Nneka Cori-Anne Archer
Strategies Utility Managers Used To Implement Renewable Energy Technologies In The Caribbean, Nneka Cori-Anne Archer
Walden Dissertations and Doctoral Studies
Government officials in the Caribbean are encouraging the production of electricity from renewable energy sources to reduce the impact of high electricity rates to customers due to region's dependency on imported fossil fuel. The purpose of this single-case study was to explore the strategies electric utility managers in the Caribbean used to implement renewable energy technologies. The diffusion of innovation theory served as the conceptual framework for the study. Three managers of an electric utility in the Caribbean, who had created strategies to implement renewable energy technologies, participated in face-to-face semistructured interviews. These managers provided in-depth information on approaches used …
Determining Sustainable Strategies For Directors Of Microfinance Banks In Nigeria, Josephine Aruoriwo Diete-Spiff
Determining Sustainable Strategies For Directors Of Microfinance Banks In Nigeria, Josephine Aruoriwo Diete-Spiff
Walden Dissertations and Doctoral Studies
The Nigerian microfinance banks often close their offices abruptly, leading to the loss of shareholders' funds. The purpose of this phenomenological study was to explore strategies microfinance bank directors use to maintain business sustainability. The concepts of microfinance banking, sustainability value, and strategic management theory formed the conceptual framework for this study. Twenty managing directors from microfinance banks in the Anambra state of Nigeria participated in semistructured interviews. The data analysis process involved the use of Moussakas' modified van Kaam process, which resulted in the emergence of 3 themes: strategic management, fear of microlending, and maintaining sustainability. The emergent themes …
Small And Medium Enterprises' Profitability Elements In Green Energy Transactions, Humphrey Edereka Great
Small And Medium Enterprises' Profitability Elements In Green Energy Transactions, Humphrey Edereka Great
Walden Dissertations and Doctoral Studies
As the primary drivers of Nigeria's economy, small and medium scale enterprise (SME) leaders rely on standby generators for sustainable business operation. Because of this reliance, over 56% of the SMEs operate far below capacity from the effects of power shortages. Guided by the strategic contingency theory, this study explored the profitability strategies of business leaders faced with electricity disruptions within Abuja Federal Capital Territory while adopting corporate social responsibility (CSR) and green practices. Data collection was through face-to-face semistructured interviews using open-ended questions. Participants consisted of 12 business leaders selected from 4 SME categories within Abuja that have imbibed …
Relationship Of Solar Energy Installation Permits To Renewable Portfolio Standards And Insolation, Kirt Gordon Butler
Relationship Of Solar Energy Installation Permits To Renewable Portfolio Standards And Insolation, Kirt Gordon Butler
Walden Dissertations and Doctoral Studies
Legislated renewable portfolio standards (RPSs) may not be the key to ensure forecast energy demands are met. States without a legislated RPS and with efficient permitting procedures were found to have approved and issued 28.57% more permits on average than those with a legislated RPS. Assessment models to make informed decisions about the need and effect of legislated RPSs do not exist. Decision makers and policy creators need to use empirical data and a viable model to resolve the debate over a nationally legislated RPS. The purpose of this cross-sectional study was to determine if relationships between the independent variables …