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Articles 91 - 95 of 95
Full-Text Articles in Entire DC Network
The Influence Of Teacher Attribution For Challenging Behavior On Teacher Self-Efficacy And Expectations For Student Success, Mackenzie Turbeville-Mccorry
The Influence Of Teacher Attribution For Challenging Behavior On Teacher Self-Efficacy And Expectations For Student Success, Mackenzie Turbeville-Mccorry
Dissertations, Theses, and Masters Projects
This study investigated how teachers’ perceptions of students demonstrating challenging behaviors are influenced by the cause of the behavior. This study measured teacher perceptions of how successful a student would be in general education, the impact a student would have on the class, and the teachers’ self-efficacy to support a student across five different attributions for challenging behavior: (a) an intellectual disability, (b) a negative attitude toward school, (c) an emotional and behavioral disability, (d) a history of trauma, and (e) autism. In Virginia, students with disabilities are disproportionately suspended, and additional inequities exist in access to an inclusive education …
An Unsettled History: Measuring Settlement Population And Sedentism In The Late Woodland Potomac River Valley, Matthew Anthony Borden
An Unsettled History: Measuring Settlement Population And Sedentism In The Late Woodland Potomac River Valley, Matthew Anthony Borden
Dissertations, Theses, and Masters Projects
This thesis investigates what information accumulations research can provide on settlement population and sedentism in the Late Woodland Potomac River Valley. Accumulations research is a flexible method that mathematically models the relationships between past populations and the archaeological record they leave behind using the discard equation. This study reviews the available data for several different variables in accumulations research, including settlement population, use duration (occupation length) and residential stability (seasonality), and uses the discard equation to evaluate the data. My research focuses on five archaeological sites in the Potomac River Valley, which was home to several different cultural groups during …
Characterizing Molecular Environments In Acrylic Paint Via Single-Sided Nmr, Lyndi Kiple
Characterizing Molecular Environments In Acrylic Paint Via Single-Sided Nmr, Lyndi Kiple
Dissertations, Theses, and Masters Projects
Acrylic paint is a modern artistic material made of colored pigment and polymeric binder. Acrylic binder requires fundamental study at the molecular level to understand its physical properties for purposes of art conservation and general polymer chemistry. The research presented in this thesis uses single-sided nuclear magnetic resonance (NMR) as a non-invasive and non-destructive way to measure relaxation and self-diffusion, which provide insight to molecular mobility and physical properties of proton-containing samples. Specifically, this study relies on T2 relaxation to gain insight to regions within acrylic paint with different molecular mobilities. In both dry and wet paint, relaxometry data revealed …
Emerging Red Sore Disease Of American Eel (Anguilla Rostrata) In Chesapeake Bay: Etiology, Epidemiology, And Impacts In Aquaculture And The Wild, Amanpreet Kaur Kohli
Emerging Red Sore Disease Of American Eel (Anguilla Rostrata) In Chesapeake Bay: Etiology, Epidemiology, And Impacts In Aquaculture And The Wild, Amanpreet Kaur Kohli
Dissertations, Theses, and Masters Projects
Emerging infectious diseases in aquatic systems, both in aquaculture and in the wild, are a global concern. Many have proposed an uptick in marine diseases as a result of environmental changes including a warming climate, habitat modifications, trade and transfer of wildlife and aquaculture products, pollution, overharvesting of resources, and other anthropogenic impacts. These perturbations can disturb the delicate host-pathogen relationships and result in new diseases or exacerbate the existing diseases in a population. Diseases can lead to several direct and indirect effects in the ecosystem such as population declines and extinctions, and thereby a change in population dynamics, as …
Climate Impacts On Spatiotemporal Habitat Usage Of Mid-Atlantic Fishes, Adena Jade Schonfeld
Climate Impacts On Spatiotemporal Habitat Usage Of Mid-Atlantic Fishes, Adena Jade Schonfeld
Dissertations, Theses, and Masters Projects
Climate change has altered marine environments, most notably by increasing water temperatures and reducing dissolved oxygen concentrations. These persistent changes have impacted the phenology and spatiotemporal habitat usage of mobile species, often through distributional shifts poleward or to deeper water. Climate-driven distributional shifts have been documented for numerous species inhabiting the Atlantic Ocean along the US East Coast, a region disproportionately affected by climate change. Adjacent estuaries are experiencing similar alterations to their physical environments and biotic community composition. Many estuarine species are seasonal residents and changes to environmental conditions within an estuary can result in altered usage and residence …