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Articles 1 - 7 of 7
Full-Text Articles in Life Sciences
An Examination Between High And Low Optimistic Ncaa Division I Student-Athletes' Perceptions Of Preferred Leadership Behavior In Sport: A Qualitative Investigation, Alexander C. Roorda
An Examination Between High And Low Optimistic Ncaa Division I Student-Athletes' Perceptions Of Preferred Leadership Behavior In Sport: A Qualitative Investigation, Alexander C. Roorda
Electronic Theses and Dissertations
Numerous researchers have examined preferred sport leadership behaviors from both the coach and athlete perspectives (Beam, Serwatka, & Wilson, 2004; Chelladurai, & Carron, 1983; Freakley, Czech, Harris, & Burdette, 2012; Turman, 2013; Weinburg, & Gould, 2010). However, there is limited research in student-athlete personality dispositions and how those might influence student-athlete perceptions of preferred leadership behaviors. The purpose of the present study was to examine views of leadership in light of certain personality dispositions. This research examined the potential influence of optimism (Abramson, et al, 2000) on qualitative descriptions of preferred leadership behaviors using the Revised Leadership Scale for Sport …
Myosinx Is Required For Craniofacial Development In Danio Rerio, Cole Yancey
Myosinx Is Required For Craniofacial Development In Danio Rerio, Cole Yancey
Electronic Theses and Dissertations
Craniofacial development is the process of laying early cartilage and bone patterns in the anterior region of the embryo, which ultimately results in shaping the structure of the face and head of an organism. Craniofacial abnormalities in humans, such as cleft lip and palate, are among the most common of all birth defects. Therefore, investigating the molecular mechanisms involved in craniofacial development will help us understand both evolutionary processes and genetic diseases. Craniofacial cartilage and bone structures are almost entirely derived from neural crest cells. Neural crest are a pluripotent migratory stream of cells that originate from the early developing …
The Role Of Artificial Structures In Facilitating Range Expansion Of The Introduced Barnacle Megabalanus Coccopoma In The Southeastern U.S.A., Alicia M. Reigel
The Role Of Artificial Structures In Facilitating Range Expansion Of The Introduced Barnacle Megabalanus Coccopoma In The Southeastern U.S.A., Alicia M. Reigel
Electronic Theses and Dissertations
The barnacle Megabalanus coccopoma is a recent invader of the southeastern U.S.A. from the tropical eastern Pacific. In Georgia, M. coccopoma populations along the immediate coastline often suffer extensive mortality during the winter, but population rebuilding is common after these events suggesting that there may be nearby larval sources. I investigated the hypothesis that artificial structures (i.e., buoys, towers), occurring far enough offshore of Georgia for water temperatures to be moderated by the Gulf Stream, provide refuges for breeding adults of M. coccopoma and can serve as the larval source. I investigated this hypothesis by first developing thirteen microsatellite primer …
Myosin 10 Is Required For Spinal Motor Axon Growth And Guidance In Zebrafish Embryos, Crystal Ivey
Myosin 10 Is Required For Spinal Motor Axon Growth And Guidance In Zebrafish Embryos, Crystal Ivey
Electronic Theses and Dissertations
Neurodevelopmental disorders are disabilities caused by malfunctioning mechanisms within the developing nervous tissue. These abnormalities often result in conditions such as autism spectrum disorders, Attention Deficient Hyperactivity Disorder (ADHD), motor dysfunctions, learning disabilities and mental retardation. Recent surveys indicate that there will be a 12% increase of children in the United States alone who are affected by neurodevelopmental disorders. Thus, it is important to understand both the normal and abnormal mechanisms of neural development. Neural development involves specification of new neurons and formation of neural circuits that connect the nervous system to every organ of the developing embryo. Neural circuits …
Body Image Self-Discrepancies And Compulsive Exercise: Exploring The Role Of Approach And Avoidance Motivational Selves, Kristin A. Chandler
Body Image Self-Discrepancies And Compulsive Exercise: Exploring The Role Of Approach And Avoidance Motivational Selves, Kristin A. Chandler
Electronic Theses and Dissertations
According to Brewer, Davis, Kalmbach, Kaptein, Katzman and Kirsch (1997), problematic exercise occurs in approximately 80% of anorexia nervosa patients and 55% of bulimia nervosa patients. Thus, a comprehensive understanding of unhealthy exercise is necessary for its assessment as well as eating disorder prevention and intervention. One term used to describe unhealthy exercise is compulsive exercise. Although compulsive exercise has been regarded as problematic in the development, treatment, and outcome of eating disorders, little research has investigated the risk factors for this behavior. Given the influence of body image disturbances on disordered eating and the relationship between compulsive exercise and …
Female Social Rank And Steroid Production In Semi-Free Ranging Lemur Catta On St. Catherines Island, Georgia, Tiffany Burgess
Female Social Rank And Steroid Production In Semi-Free Ranging Lemur Catta On St. Catherines Island, Georgia, Tiffany Burgess
Electronic Theses and Dissertations
Many mammalian species live in complex social groups that profoundly affect the behavior and ecology of their members. In ring-tailed lemurs (Lemur catta) these groups are characterized by female dominance, where females have priority over males for food, grooming, and space. Among females there is also a linear dominance hierarchy. L. catta have a strong matrilineal social core due to females staying within their natal group and males dispersing at sexual maturity. Daughters “inherit” their mother’s social rank. However, it is not known if the matrilineal lines are maintained through learned dominant/aggressive behavior or inherited via genetically determined hormonal …
Helping To Resolve Taxonomic Conflicts Within The Genus Amblyomma (Acari:Ixodidae) From A Molecular Perspective, Paula Lado
Electronic Theses and Dissertations
This work sought to reassess the taxonomic status of Amblyomma parvum Aragao, 1908 and of the A. maculatum group of ticks Camicas, 1998. By using different molecular markers, 12SrDNA, 16SrDNA, DL, COI, COII (mitochondrial) and ITS2 (nuclear), I analyzed the systematic relationships between these taxa and their closest relatives. Phylogenetic analyses by maximum parsimony, maximum likelihood, and Bayesian analysis were performed in order to determine relationships among species and populations, and to determine the evolutionary history of these ixodids. The data obtained supported the hypothesis of cryptic speciation occurring within A. parvum, with the northern populations of Central America being …