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Peer victimization in affluent communities and the role of parental attachment
(2020-12)
Peer victimization affects up to 1 out of 3 students in the U.S. Research shows those exposed to peer victimization to be at a greater risk for a host of negative physical and psychological outcomes. Although internalizing ...
Essays on horn fly control economics in stocker cattle, stocker cattle producer purchasing preferences, and food insecurity during COVID-19
(2021-12)
Horn flies cause extensive economic loss to cattle. The efficiency of two insecticides to controll horn flies, Corathon® and LongRange®, and the profitabilities that stocker cattle producer could expect to achieve were ...
Evaluating factor structure and instrument stability through measurement invariance of the DECA, second edition
(2021-07)
In the process of instrument development, developers follow protocols and conduct analyses to ensure psychometric properties are met. During development, developers determine an assessment format that best aligns to their ...
Breeding and genetic characterization of forage bermudagrass for the transition zone of the United States
(2020-05)
Bermudagrass is a robust forage option for livestock producers as both a grazed and stockpiled herbage. Breeding efforts focused on improved cold tolerance have expanded the geographic range of bermudagrass into the ...
Supplemental mathematics at midwestern community college: A qualitative case study
(2023-02)
This is a qualitative study that explores how successful supplemental mathematics instructors prepare their students for on-level mathematics, that is taken as a corequisite, at a rural midwestern community college. Using ...
Self-tuned, block-coordinate, and incremental mirror descent methods with applications in machine learning and wireless communications
(2020-07)
Uncertainty, high-dimensionality, and matrix structure of the decision variables are among the main challenges that may arise in addressing a wide range of stochastic optimization and equilibrium problems in machine learning ...
Runoff and sediment response to mechanical removal of juniper and restoration of rangeland
(2020-12)
This dissertation examines runoff and sediment responses to restoring woody plant encroached rangeland in the south-central Great Plains using the paired watershed approach, before-after control-impact (BACI) analysis, and ...
Environmental risk perceptions of shale gas development in Oklahoma and Colorado: A quantitative and spatial examination
(2022-05)
Shale gas development is a dominant economic force in the United States, with most crude oil production occurring in just five states—each of which has experienced environmental hazards associated with the extractive ...
Calcium affects host-pathogen interactions of Pseudomonas aeruginosa with lung epithelial cells
(2023-05)
Pseudomonas aeruginosa is one of the key bacterial pathogens that cause acute, chronic, and lethalinfections in the lungs of patients with cystic fibrosis (CF). P. aeruginosa adheres to the mucosal
epithelium of the airways ...
Predator induced phenotypic plasiticity within and between generations in the pond snail Physa acuta
(2022-05)
Prey often induce changes in the phenotype of their prey through phenotypic plasticity. Phenotypes that change include life history traits, morphology, and behavior, and changes may be adaptive or non-adaptive. The goal ...