Open Access. Powered by Scholars. Published by Universities.®

Life Sciences Commons

Open Access. Powered by Scholars. Published by Universities.®

Articles 1 - 16 of 16

Full-Text Articles in Life Sciences

Unintended Consequences Of Dna Analysis Delays In North Carolina, Pamela Cook Woodard Jan 2019

Unintended Consequences Of Dna Analysis Delays In North Carolina, Pamela Cook Woodard

Walden Dissertations and Doctoral Studies

The processing of DNA recovered from felony crime scenes often causes delays in trials of up to 3 years, calling into question defendants' rights to a speedy trial. Using Lewin's force field analysis as the theoretical framework, the purpose of this quantitative, comparative study was to compare the processing and reporting of results related to DNA testing in 4 states. Survey data were collected from state bar members (n=137), members of a professional law organization (n=149), and members of a state DNA laboratory (n=20). The purpose of this quantitative, comparative study was to determine whether these ...


Examining Police Officer Satisfaction With Mental Health Resources, Jessica Renee Burke Jan 2019

Examining Police Officer Satisfaction With Mental Health Resources, Jessica Renee Burke

Walden Dissertations and Doctoral Studies

The purpose of this study was to determine the overall satisfaction officers experience with the mental health resources provided by their department. The research aimed to determine whether or not age had an impact on satisfaction levels of police officers. The results from this research would provide information for law enforcement agencies to use in evaluating their own mental health services. Archival survey data from the National Police Suicide Foundation (n = 48) was used for this study to examine the research question: how does age impact an officer's satisfaction in mental health resources. A linear regression was used to ...


The Effect Of Interactive Notebooks On The Science Proficiency Of Biology 1 Students, Shereka Faye Newson Jan 2019

The Effect Of Interactive Notebooks On The Science Proficiency Of Biology 1 Students, Shereka Faye Newson

Walden Dissertations and Doctoral Studies

Local High School, a pseudonym, located in Northwest Mississippi has in place two differing Biology 1 curricula; in one curriculum, the students use interactive notebooks daily and in the other curriculum, they are not used. The purpose of this ex post facto quasi-experimental study was to investigate the impact that an instructional tool, such as the interactive notebook, could have on student achievement. Instructional design theory and the materials, methods, environment, collaboration, content, and assessment (MMECCA) framework served as the theoretical framework for this study. The standard measure of science proficiency was provided by the test results from the Biology ...


Ethnicity, Perceptions Of Stress, And Depressive Symptoms Among Female Undergraduate Students, Claudia Priscilla Cobos Jan 2019

Ethnicity, Perceptions Of Stress, And Depressive Symptoms Among Female Undergraduate Students, Claudia Priscilla Cobos

Walden Dissertations and Doctoral Studies

Individuals have suffered from depression for decades. Although depression is under diagnosed, it is one of the most common disorders seen by psychiatrists. The purpose of this research study was to understand whether students' perceived stress level was a significant predictor of students' depressive symptoms. The study explored social cognitive theory to assist in understanding the relationship between depressive symptoms and perceived stress in female minority students. Although depressive symptoms and perceived stress in students have been explored exhaustively, these variables had not been explored specifically among minority students and then compared to nonminority students. Using the Center for Epidemiologic ...


The Role Of Glucose Level On The Performance Of The Framingham Risk Score, Uohna June Thiessen Jan 2019

The Role Of Glucose Level On The Performance Of The Framingham Risk Score, Uohna June Thiessen

Walden Dissertations and Doctoral Studies

Cardiovascular diseases (CVD) are responsible for more deaths than any other disease, continue to threaten the quality of life for many, and is a major burden to the health care system. The Framingham Heart Study (FHS) identified the major CVD risk factors that became essential to effective CVD screening strategies and the Framingham Risk Score (FRS), is used to assess CVD risk. Based on the concepts of the health behavior model and CVD as a cardiometabolic disorder, multivariate logistic regression analysis was used to evaluate the association between fasting blood glucose (FBG) levels and a CHD event, and to determine ...


Strategies To Minimize Perishable Food Loss In The Retail Grocery Business, Thankgod Chukwumeka Aleruchi Jan 2019

Strategies To Minimize Perishable Food Loss In The Retail Grocery Business, Thankgod Chukwumeka Aleruchi

Walden Dissertations and Doctoral Studies

Supply chain managers in the retail grocery industry face significant challenges in reducing the wastage of perishable food. Perishable food spoilage and deterioration in the retail grocery industry result in a significant loss of profitability and consumer satisfaction. The purpose of this multiple case study was to explore the strategies that supply chain managers in the retail grocery business used to minimize perishable food loss. The perishable inventory theory was used as the conceptual framework. Data were collected from semistructured interviews with 6 Pennsylvania retail grocery supply chain managers who implemented strategies to minimize perishable food loss and from organizational ...


Educational Technology Use In Neurodiagnostic Clinical Skills Training, Margaret Ann Marsh-Nation Jan 2019

Educational Technology Use In Neurodiagnostic Clinical Skills Training, Margaret Ann Marsh-Nation

Walden Dissertations and Doctoral Studies

The current shortage of clinical sites for neurodiagnostic technology (NDT) students is limiting enrollments and subsequently limiting graduates from NDT schools in the U.S. A lack of knowledge or consensus concerning the use of educational technology in NDT clinical skills training prompted this investigation. The purpose of this study was to explore the use of educational technology in providing NDT clinical skill training. This qualitative Delphi study was guided by experiential learning theory and cognitive constructionist epistemology. Thirty expert panelists were recruited to rate the effectiveness of educational technology methods in addressing neurodiagnostic competencies for electroencephalography. Twenty-four completed round ...


Predictors Of Nutritional Status Among U.S. Adults, Erum Syed Jan 2019

Predictors Of Nutritional Status Among U.S. Adults, Erum Syed

Walden Dissertations and Doctoral Studies

The purpose of this study was to more fully understand the reasons underlying poor nutritional status among adults in the United States (US) and to provide research findings that can be used to develop programs and policies to help improve nutritional status in the US. The National Health and Nutrition Examination Survey (NHANES) dataset and the correlational quantitative study design were used to explore the associations between food security, household smoking, and demographics and nutritional status. The social ecologic theory, specifically the social ecology of health as it relates to interventions, was used as the study's theoretical framework. The ...


Medication Adherence For Foster Children From The Perspective Of Foster Care Providers, Odette Boyd Jan 2019

Medication Adherence For Foster Children From The Perspective Of Foster Care Providers, Odette Boyd

Walden Dissertations and Doctoral Studies

In 2015, over 427,000 children were in foster care and the largest population were in California's system. Of those children, more than 9,400 were prescribed psychotropic medications. Increases of psychotropic medication use have led to investigations and findings of medication oversights in foster care. Medication oversights included medication nonadherence, which was linked to an increase of problematic behaviors in foster children. The purpose of this phenomenological study was to explore the issues of medication adherence for foster care providers who care for foster children of mild to chronic health concerns who were prescribed medications and experienced multiple ...


Nurse Practitioner Attitudes, Perceptions And Knowledge About Antimicrobial Stewardship, Evelyn C. Fabian Jan 2019

Nurse Practitioner Attitudes, Perceptions And Knowledge About Antimicrobial Stewardship, Evelyn C. Fabian

Walden Dissertations and Doctoral Studies

Resistance to antibiotics has increased dramatically in the United States, with serious associated medical, social, and economic consequences. The purpose of this project was to assess nurse practitioners' attitudes, perceptions, and knowledge about antimicrobial stewardship and knowledge in the management of anaerobic infections as well as resistant gram-negative bacteremia. Data were collected using a web-based survey in a hospital facility. The practice question explored whether nurse practitioners' attitudes, perceptions, and knowledge about antimicrobial stewardship significantly increased after an education program on antimicrobial stewardship. The project was framed by Knowles's adult learning theory. A 16-item survey was administered before and ...


Associations Between Income, Acculturation, Country Of Origin, And Type Ii Diabetes Among African Immigrants To Ontario, Canada, Girma Aman Goshe Jan 2019

Associations Between Income, Acculturation, Country Of Origin, And Type Ii Diabetes Among African Immigrants To Ontario, Canada, Girma Aman Goshe

Walden Dissertations and Doctoral Studies

Diabetes has become a longstanding public health challenge around the world. Over the last 3 decades, the number of people with Type II diabetes (T2DM) has grown to an epidemic level in Canada. Prior research indicated African immigrants residing in Ontario, Canada experienced a 2-4 times higher prevalence of T2DM than Canadian-born individuals. The social determinants of health theoretical framework guided this study assessing the relationship of the risk factors with T2DM. A quantitative, cross-sectional design was employed using the 2007-2014 Canadian Community Health Survey data. The random sample included 1,526 African immigrants residing in Ontario, Canada. Descriptive, bivariate ...


Operational Efficiency In The Food And Beverage Industry Through Sustainable Water Consumption, Christopher Weber Jan 2019

Operational Efficiency In The Food And Beverage Industry Through Sustainable Water Consumption, Christopher Weber

Walden Dissertations and Doctoral Studies

The scarcity of water poses a threat to domestic and global economic sustainability while inhibiting the operational efficiency of food and beverage industry firms. The purpose of this multiple case study was to explore the strategies some food and beverage industry leaders in the United States used for implementing sustainable water consumption practices to improve operational efficiency. The conceptual framework for the study was stakeholder theory. The primary data source was semistructured interviews with 4 food and beverage industry leaders in Wisconsin who have responsibility for implementing their firms' sustainability practices, and the secondary data source was corporate sustainability reports ...


Vitamin D Receptor Gene Polymorphisms Knowledge And Breast Cancer In Texas, Ejike Roland Egwuekwe Jan 2019

Vitamin D Receptor Gene Polymorphisms Knowledge And Breast Cancer In Texas, Ejike Roland Egwuekwe

Walden Dissertations and Doctoral Studies

Breast cancer is a world health problem and is a leading cause of cancer-related death among women in the United States. However, breast cancer risks were reported to be reduced through exposure to Vitamin D through its Receptors identified as the p53 target gene. The purpose of this study was to assess the associations between VDR gene polymorphisms knowledge/awareness and decisions to reduce breast cancer risks and likelihood of mammogram screening among women in Texas. Data from survey were used. Roy adaptation model was the theoretical framework that guided this quasi- experimental, quantitative research. The dependent variables were decisions ...


Resilience Building In Biracial And Multiracial, Bisexual Adults: An Interpretative Phenomenological Analysis, Melissa Gale Swartz Jan 2019

Resilience Building In Biracial And Multiracial, Bisexual Adults: An Interpretative Phenomenological Analysis, Melissa Gale Swartz

Walden Dissertations and Doctoral Studies

Until recently, society and science often ignored, erased, and avoided bisexual women and men and individuals with biracial and multiracial identities, and rarely considered these identities simultaneously. Prior research has shown that some lesbians and gay people of color exhibit resilience against sexual minority stress due in part to an inoculating effect of exposure to racism earlier in life. However, little is known about the lived experience of thriving, resilient bisexual multiracial individuals. In the tradition of positive psychology and context of intersectionality theory, this qualitative study explored how multiracial bisexual individuals develop and maintain flourishing well-€being despite sociocultural ...


Evidence-Based Practice Self-Study Education Program For Staff Nurses On Genomics, Nancy L. Norman-Marzella Jan 2019

Evidence-Based Practice Self-Study Education Program For Staff Nurses On Genomics, Nancy L. Norman-Marzella

Walden Dissertations and Doctoral Studies

Nurses routinely obtain genomic data when collecting family health histories. However, they report low confidence in their knowledge and understanding of genomics and the genetically engineered medications prescribed for their patients. The purpose of this project was the development and implementation of an evidence-based online education program about genetics and genomics to increase the nurses' understanding and ability to provide competent care for their patients receiving treatments based on the science of genomics. Knowles's principles of adult learning theory guided the development and delivery of the online education project to 12 medical-surgical registered nurses employed in a hospital in ...


Exploring Strategies To Integrate Disparate Bioinformatics Datasets, Charbel Bader Fakhry Jan 2019

Exploring Strategies To Integrate Disparate Bioinformatics Datasets, Charbel Bader Fakhry

Walden Dissertations and Doctoral Studies

Distinct bioinformatics datasets make it challenging for bioinformatics specialists to locate the required datasets and unify their format for result extraction. The purpose of this single case study was to explore strategies to integrate distinct bioinformatics datasets. The technology acceptance model was used as the conceptual framework to understand the perceived usefulness and ease of use of integrating bioinformatics datasets. The population of this study included bioinformatics specialists of a research institution in Lebanon that has strategies to integrate distinct bioinformatics datasets. The data collection process included interviews with 6 bioinformatics specialists and reviewing 27 organizational documents relating to integrating ...