Digital Commons Network^™

Determining The Food Choice Motivations Of Irish Teens And Their Association With Dietary Intakes, Using The Food Choice Questionnaire, Aisling Daly, Elizabeth O'Sullivan, Janette Walton, Laura Kehoe, Breige A. Mcnulty, Albert Flynn, John M. Kearney

Articles

During adolescence, teens start making their own food choices. While health and nutrition are important, practical and social concerns are also influential. This study aims to determine factors that motivate the food choices of Irish teens (using Food Choice Questionnaire), using data from the National Teens' Food Survey II (N = 428, 50% male, 13-18 years), and to identify how these motivations relate to dietary intakes (4-day semi-weighed food diaries). Data analysis used PCA to determine the food choice motivation subscales, and correlation and comparative statistical tests (t-test, ANOVA). Eight motivating factors were identified for Irish teens: Sensory Appeal, Price …

Physicochemical, Technofunctional, In Vitro Antioxidant, And In Situ Muscle Protein Synthesis Properties Of A Sprat (Sprattus Sprattus) Protein Hydrolysate, Niloofar Shekoohi, Azza Silotry Naik, Miryam Amigo Benevent, Padraigin A. Harnedy-Rothwell, Brian P. Carson, Richard J. Fitzgerald

Articles

This study characterized the physicochemical, technofunctional, and in vitro antioxidant properties along with the AA profile and score of a sprat protein enzymatic hydrolysate (SPH). Furthermore, the impact of the SPH on the growth, proliferation, and muscle protein synthesis (MPS) in skeletal muscle (C2C12) myotubes was examined. The SPH displayed good solubility and emulsion stabilization properties containing all essential and non-essential AAs. Limited additional hydrolysis was observed following in vitro-simulated gastrointestinal digestion (SGID) of the SPH. The SGID-treated SPH (SPH-SGID) displayed in vitro oxygen radical antioxidant capacity (ORAC) activity (549.42 μmol TE/g sample) and the ability to reduce (68%) reactive …

Mealybug Vectors: A Review Of Their Transmission Of Plant Viruses And Their Management Strategies, Abdul Razak Ahmed, Samuel Obeng Apori, Abdul Aziz Karim

Articles

Mealybugs cause mechanical damage and diseases to plants. Through their feeding activities, they reduce the yield, quality and productivity of crops. This review discusses mealybug vectors of plant viruses, the economic losses they cause, mealybug species and their hosts. Among the numerous mealybug species, Planococcus species are the most effective vector of plant viruses, transmitting many Ampeloviruses. Diverse methods for the control and regulation of mealybugs are also discussed. Physical, cultural and biological control methods are labor-intensive but environmentally friendly compared to chemical methods. However, chlorpyrifos are one the active ingredients of insecticides effective against several mealybug species. Using plant …

Optimizing Human Performance To Enhance Safety: A Case Study In An Automotive Plant, Maria Chiara Leva, Michaela Demichela, Carlos Albarran Morillo, Franco Modaffari, Lorenzo Comberti

Articles

Human factors play a relevant role in the dynamic work environments of the manufacturing sector in terms of production efficiency, safety, and sustainable performance. This is particularly relevant in assembly lines where humans are widely employed alongside automated and robotic agents. In this situation, operators’ ability to adapt to different levels of task complexity and variability in each workstation has a strong impact on the safety, reliability, and efficiency of the overall production process. This paper presents an application of a theoretical and empirical method used to assess the matching of different workers to various workstations based on a quantified …

Recovery Of Protein From Industrial Hemp Waste (Cannabis Sativa, L.) Using High-Pressure Processing And Ultrasound Technologies, Eduarda M. Cabral

Articles

Hemp seeds are currently used mainly for oil extraction, generating waste that could be potentially exploited further as a source of proteins and other bio-actives. This study aims to valorise hemp waste (Cannabis sativa, L.) from previous oil extraction as a source of protein by analysing the effect of high-pressure processing (HPP) pre-treatments (0–600 MP a; 4–8 min) combined with conventional or ultrasound-assisted extraction (UAE) methods on protein recovery/purity, amino acid composition, and protein structure. Overall, maximum protein recovery (62%) was achieved with HPP (200 MP a, 8 min) with UAE. The highest protein purity (76%) was achieved with HPP …

Selection Of Lactic Acid Bacteria As Biopreservation Agents And Optimization Of Their Mode Of Application For The Control Of Listeria Monocytogenes In Ready-To-Eat Cooked Meat Products, Coral Barcenilla, Alba Puente, José F. Cobo-Díaz, Elena Alexandra Alexa, Enriqueta Garcia-Gutierrez, Paula M. O'Connor, Paul D. Cotter, Montserrat González-Raurich, Mercedes López, Miguel Prieto Maradona, Avelino Álvarez-Ordóñez

Articles

No abstract provided.

Do The Culturable Microbial Groups Present In Cutaway Bogs Change According To Temporal Variation? Pilot Study Based On The Midlands In The Republic Of Ireland, Gouri Nilakshika Atapattu, Tara Battersby, Michelle Giltrap, Furong Tian

Articles

Cutaway peatlands in the midlands of the Republic of Ireland are rarely the focus of scientific studies. The soil quality and related microenvironment have been severely impacted by peat extraction. Returning them to a ‘near-natural state' would require greater insights into this ecological niche. The current research took the initiative to study the microbiology of vast cutaway sites in the midlands of Ireland. Peat was collected over two seasons in January, February and April. Homogenised peat was aseptically cultured on a range of specific and non-specific culture media. Microbial enumeration, Gram staining and other microscopic observations of morphologically distinct microorganisms …

Metabolic Impact Of Feeding Prior To A 60-Min Bout Of Moderate-Intensity Exercise In Females In A Fasted State, Kayla M. Ratliff, Chad M. Kerksick, Jessica M. Moon, Anthony M. Hagele, Johnathan L. Boring, Kylie Walden, Connor J. Gaige, Richard A. Stecker, Kyle L. Sunderland, Petey W. Mumford

Faculty Scholarship

Background: The metabolic impact of pre-exercise feeding of protein or carbohydrate on fat oxidation and energy expenditure rates, especially, in females, is poorly understood.

Methods: Recreationally active females (n = 15, 32 ± 10 years, 164.8 ± 5.6 cm, 63.5 ± 9.3 kg, 23.4 ± 3.2 kg/m2) completed four testing sessions in a randomized, double-blind, crossover fashion after fasting overnight. Participants ingested isovolumetric and isoenergetic solutions containing either 25 g of whey protein, casein protein, carbohydrate (CHO), or a non-caloric placebo (PLA). Participants then completed 60 min of treadmill exercise at 15% below ventilatory threshold 30 min after ingestion. …

Developing Sustainable Makers, Polly Macpherson

School of Art, Design and Architecture

This essay will discuss my developed professional and teaching knowledge of sustainable making processes and how I have used this to focus creative learners on how to explore personal values and strengthen their sustainable making practices.

Terrestrial Carbon Isotope Stratigraphy Of The Eocene–Oligocene Transition, Petrockstowe And Bovey Basins, Devon, Uk, Mohammed S. Chaanda, Stephen T. Grimes, Rhodri M. Jerrett, Mark Anderson, Melanie J. Leng, Meriel E. Fitzpatrick, Gregory D. Price

School of Geography, Earth and Environmental Sciences

The terrestrial sediments of the Petrockstowe and Bovey basins in Devon, UK were examined. Their age is considered to be Eocene and Oligocene. The sediments (kaolinitic clays, silts, sands, gravels, and lignites) from both basins were analysed for carbon isotopes of organic material, in conjunction with total organic carbon and palynological analyses used to unravel the type of and provenance of organic matter present. Within the Petrockstowe Basin, the lowermost interval examined shows a palynological distribution dominated by phytoclasts, whilst the upper part of the core is dominated by higher concentrations of palynomorphs (up to 90 %) and an increase …

Increasing Organizational Value Of A Private Healthcare Education Academy, Diana Skaff

Walden Dissertations and Doctoral Studies

Amid the dynamic changes and innovations of the healthcare field, healthcare providers seek educational activities that enhance their growth and decrease their knowledge gap. Healthcare education organizations responsible for providing high-quality healthcare education, have opportunities to differentiate their programs to acquire, attract, activate, and retain healthcare providers. Grounded in the five forces of competition and the value chain theories, this mixed method formative program evaluation aimed to improve the business development program by developing a differentiation by quality strategy that will increase its competitive advantage. Participants included three decision-makers and nine leaders in a healthcare education organization in the Kingdom …

Relationship Between Opportunity For Advancement, Salary/Pay, And Retail Salesperson Turnover Intentions, Edith Mae Thompson

Walden Dissertations and Doctoral Studies

AbstractEmployee turnover intention is the principal antecedent and predictor of employee turnover behavior, which is a substantial threat to automotive retail dealerships’ current and future organizational performance. Understanding employee turnover intentions is vital for dealership general managers to reduce salesperson turnover, manage dealership costs, and maintain dealership competitive advantages. Grounded in Herzberg’s two-factor theory, the purpose of this quantitative correlational study was to examine the relationship between opportunity for advancement, salary/pay, and employee turnover intention among automobile salespeople. Using an online survey administered by Survey Monkey, data were collected from 76 retail salespeople in Tennessee, Kentucky, and Alabama. The survey …

Nigerian Women Entrepreneurs’ Narratives On Collective Action For Economic Empowerment And Gender Parity, Elizabeth Oyanu Ujah

Walden Dissertations and Doctoral Studies

While entrepreneurship has offered some potential for empowering subordinated women in urban areas of Nigeria, a literature gap exists on urban Nigerian women entrepreneurs' narratives to understand better how their collective action may further support economic empowerment and gender parity. The purpose of this qualitative, narrative inquiry study was to understand how women entrepreneurs in urban Nigeria view their work to gain economic empowerment and gender parity through collective action. The narrative inquiry method was used to address the problem and answer the research question using interview data from 10 urban female Nigerian entrepreneurs. This study was framed by two …

Local Stakeholders' Involvement In Community Development Projects In Kenya, Charles Wanjue

Walden Dissertations and Doctoral Studies

Local residents can provide valuable input on the design, implementation, review, and assessment of development projects, but many community development organizations do not involve these individuals in decision-making. There was inadequate knowledge about why community members are not engaged in community development projects in Kenya. With this study, I sought to improve the understanding of why community members are not fully involved in implementing and managing community development projects in Kenya. Stakeholder theory served as the theoretical foundation for this study. Data were collected through interviews with 13 management and program staff members working with an NGO in Kenya. The …

Educating Providers And Nurses On Human Trafficking, Valerie Smith

Walden Dissertations and Doctoral Studies

Human trafficking is a global public health problem. Victims of human trafficking experience higher rates of sexually transmitted diseases, reproductive damage, sexual violence, infertility, and mental and behavioral issues. To help end human trafficking, which is potentially deadly, raising awareness about this topic is essential for victim survival. A gap in practice among staff at a community health center regarding recognition of victims of human trafficking and procedures for potential victims was identified. An education program focused on increasing knowledge and awareness was developed to close this gap. Guided by Watson’s theory of human caring, a 30-minute educational session followed …

Sun Exposure And Protective Behaviors Among U.S. Hispanic Farmworkers, Claudia Marie Delgado Cebollero

Walden Dissertations and Doctoral Studies

Sun exposure increases the risk of sun-related illnesses and skin cancer among U.S. Hispanic farmworkers. Reinforced by the health belief model, the purpose of this study was to determine the association between socio-demographic factors (i.e., age, educational attainment, gender, income, and marital status) and skin cancer with the level of sun exposure (sun’s effect on skin, sunburn reported) and protective behaviors (use of cap/visor, use of sunscreen) among adult Hispanic farmworkers in the United States. The study included Hispanic farmworkers aged 21 or older (N = 112) who responded to the 2015 National Health Interview Survey. Ordinal logistic regression showed …

Exploring Leadership Skills Needed To Implement Mergers And Acquisitions In Ghana, Akwasi Effah-Adu

Walden Dissertations and Doctoral Studies

There has been consideration of increased investment in the banking industry in Ghana through mergers and acquisitions. Data shows that the financial performance of the merged banks does not support the investment in the industry, at least within the first 3 years after the merger or acquisition. Grounded in Burn’s transformational leadership theory, the purpose of this qualitative single case study was to explore the leadership skills used to implement the successful merger of two commercial banks in Ghana. Data were collected from eight senior officers using semistructured interviews, a review of relevant publications, and a reflective journal. The data …

Critical Retention Issues Related To Social Skills In Ghanaian Universities, Samuel Essah-Hienwo

Walden Dissertations and Doctoral Studies

The specific problem addressed through this study is the need for more research examining the potential of poor social skills to influence low retention levels in Ghanaian universities. Reasons for low student retention in Ghanaian universities, including students with inadequate social skills to complete their degrees, were explored in this qualitative study. The first research question asked about the lived experiences of university students in Ghana as they relate to the extent of social development skills in higher education, and the second question asked about the lived experiences of university students in Ghana surrounding decisions to leave or stay in …

Perceived Barriers To Cervical Cancer Screening Among Hispanic Women, Damaris Perez

Walden Dissertations and Doctoral Studies

AbstractHispanic women are among the ethnic groups with higher cervical cancer rates in the United States. This mixed-method study was conducted to explore perceived barriers and self-efficacy-related factors to cervical cancer screening in foreign-born Hispanic women in Florida. The theory of planned behavior was applied to determine if behavioral intentions influence access to cervical cancer screening. The inclusion criteria included Hispanic women 18 years old and older without a hysterectomy history. Quantitative data were collected through a self-administered survey. A total of 84 individuals completed the survey. A binary logistic regression analysis was performed to determine if sociodemographic factors are …

Analysis Of Collective Bargaining And Macroeconomic Effects: Evidence From Ghana, Francis John Mozu

Walden Dissertations and Doctoral Studies

Frequent labor strikes are a problem in Ghana that often interrupt the production of goods and the provision of services including health and education. The strikes primarily result from wage disputes that appear to arise from inflation and low real wages. Although there have been studies on collective bargaining and macroeconomic conditions in Ghana, there is a lack of research on the relationship between inflation as well as real wages, and collective bargaining labor strikes. This quantitative correlational study involving secondary data analysis was undertaken to help solve the problem by addressing the lack of evidence on the statistical significance …

Relationship Between Corporate Social Responsibility Activities By Small And Medium-Sized Enterprises And Business Profitability, Oluwabunmi Afolashade Olujobi

Walden Dissertations and Doctoral Studies

Corporate social responsibility (CSR) positively impacts performance and profitability for small and medium-sized enterprises (SMEs). Small and medium-sized enterprise leaders are reluctant to engage in CSR activities because of the assumed high-cost implication and possible impairment of profitability. Grounded in social capital theory, the purpose of this quantitative correlational study was to examine the relationship between workforce-based CSR activities, society-based CSR activities, market-based CSR activities, regulation-based CSR activities, and SMEs’ business profitability. The participants were 109 SME owners in Lagos, Nigeria. Data were collected using questionnaires administered online through google forms. The results of the multiple linear regression were significant, …

Teacher Perspectives Regarding Low Teacher Retention In Rural Primary Schools In Tanzania, Tumaini Urio Morgan

Walden Dissertations and Doctoral Studies

Tanzania, similar to other nations in Sub-Saharan Africa, has been experiencing a severe teacher shortage. The problem that was addressed is that factors influencing rural primary school teachers’ decision to continue teaching in Northeast Tanzania are unknown. The purpose of this qualitative descriptive study was to investigate teachers’ perceptions on teaching in rural primary schools in Northeast Tanzania and the reasons why they remain. This study was guided by self-efficacy theory, a subset of Bandura's social cognitive theory. This descriptive qualitative study explored how rural primary school teachers in northeast Tanzania describe the challenges that cause them to consider abandoning …

Offshore Wind Industry Leaders’ Operations And Maintenance Management Strategies, Heather Louise Shimp

Walden Dissertations and Doctoral Studies

The difficulties offshore wind leaders have in managing operations and maintenance (O&M) costs threaten the ability to operate offshore wind farms profitably, diversify the energy supply, and reduce dependence on imported fuels. Grounded in the frameworks of Lean Six Sigma and McKinsey 7-S, the purpose of this qualitative multi-case study was to explore offshore wind farm leaders’ strategies to manage O&M costs in Europe. The participants were six offshore wind leaders who implemented strategies to successfully manage O&M costs for offshore wind farms located in Europe. Data were collected using semistructured interviews, participant observation, and reviewing public and participant-supplied documents. …

Leadership Strategies To Initiate And Reinforce Knowledge Sharing Among Employees, Morufat Olajumoke Oshineye

Walden Dissertations and Doctoral Studies

Knowledge loss due to the exit of experienced employees with critical knowledge results in significant financial and nonfinancial impacts on employees and organizational competitiveness. Business leaders are interested in finding strategies to initiate and reinforce employee knowledge sharing to prevent business failure. Grounded in social cognitive theory, the purpose of this qualitative multiple case study was to explore strategies business leaders in Nigerian oil and gas public sector agencies use to initiate and reinforce knowledge sharing among employees to prevent knowledge loss. The participants were five business leaders in Nigerian oil and gas public sector agencies who successfully initiated and …

Perspectives On Instructional Barriers To Inclusion At Primary Schools In Jamaica, Marcia Hillary Peak

Walden Dissertations and Doctoral Studies

AbstractInclusive education, which is a global practice in schools, recognizes the rights of all children to equal educational opportunities, including those with special needs or disabilities; however, educators in low-income countries like Jamaica struggle with its implementation. This basic qualitative study explored teachers’ and principals’ perceptions toward instructional and curricular barriers to inclusion in primary level schools. The theory supporting this study is Bronfenbrenner’s development ecology model. Research questions focused on educators’ perspectives of instructional barriers to inclusion. Twelve participants from seven mainstream schools in a single region were interviewed. Data were analyzed using open coding to determine patterns, and …

Barriers To Effective Public Secondary Education In Rural Areas In Haiti, Marjorie Calixte-Hallworth

Walden Dissertations and Doctoral Studies

The limited access to public secondary education in rural regions of Haiti has impacted children who want to pursue their education beyond the primary level. The purpose of this generic qualitative study was to explore the perceptions of informed Haitian educators and other educators who were knowledgeable about the lack of access to public secondary education in rural Haiti, specifically through the framework of polarities of democracy theory. Data were gathered by conducting semistructured interviews with 20 educators who were situated in both Haiti and the United States. NVivo 14 was used to organize, code, and analyze the data. Thematic …

African American Men’S Lived Experiences Of Stigma Regarding Use Of Mental Health Services, Leon M. Wilson

Walden Dissertations and Doctoral Studies

AbstractAfrican American men are disproportionately more likely to live with untreated mental health challenges; the incidence of mental illness in African Americans is, per capita, 30% higher than among non-Hispanic Whites. African American men experience significant barriers and deterrents to psychological help seeking, which are primarily due to internalized stigma. The purpose of this qualitative phenomenological study was to explore and describe African American men’s experiences that influenced internalized stigma regarding seeking and using traditional mental health services. The theoretical framework included the theory of social stigma and minority stress theory. Nine purposively selected African American men from the Mid-Atlantic …

Branding Strategies For Owners Of Small And Medium-Sized Enterprises, Johnson Chibuzor Ugwuoke

Walden Dissertations and Doctoral Studies

Non-implementation of branding strategies can hinder small and medium enterprises’ (SMEs) financial success and business performance. Owners of SMEs who implement appropriate branding strategies can remain solvent beyond the first 5 years of operation. Grounded in the customer-based brand equity model, this qualitative multiple case study explored the branding strategies owners of SMEs use to survive beyond the first 5 years of operation. The participants were six owners of SMEs from three SMEs located in Nigeria’s southern region who have successfully used branding strategies to survive beyond the first 5 years of operation. Sources for data collection were semistructured interviews …

Jamaican College Administrators’ Perceptions Of Providing Accommodations For Students With Disabilities, Tracey Ann Anderson

Walden Dissertations and Doctoral Studies

The problem that was explored in this study was that many students with learning disabilities are enrolled in Jamaican teachers’ colleges but were not provided with accommodations. The purpose of the study was to determine the perceived and barriers that Jamaican college administrators experience in facilitating the accommodation of students with disabilities. The conceptual framework for this study was social exclusion theory, which helped analyze the insufficiencies in integrating persons with disabilities. The research questions addressed Jamaican college administrators’ perceptions of barriers in providing accommodations for students with learning disabilities. A basic qualitative design was used for this study. Data …

Perceptions Of Teachers In A Private Residential Juvenile Treatment Facility, Douglas E. Stevenson

Walden Dissertations and Doctoral Studies

AbstractThe problem for this study was the lack of research about what teachers consider to be the successes, the risks, and the potential dangers of working in a school prison setting. The purpose of this qualitative study was to investigate teacher perceptions about successes, risks, and potential dangers of teaching in a prison school setting. This research study was guided by Deci and Ryan’s self-determination theory, which presents a framework for the study of human motivation and personality. The research question examined teachers’ perspectives about the successes, the risks, and dangers of working in a private residential juvenile treatment facility. …