Browsing ETDs: Virginia Tech Electronic Theses and Dissertations by Title
Now showing items 21194-21213 of 38450
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K-12 Public School Teacher Perceptions Regarding their Experiences as Instructors Who Volunteered to Teach in the Online Learning Environment in 2020-2021 (COVID-19)
(Virginia Tech, 2022-04-20)In this study, the topic of K-12 public school online learning is addressed in the context of the pandemic-related circumstances of 2020 and 2021. The study used a qualitative analysis of data sources in the form of ... -
K-12 STEM Educators and the Inclusive Classroom
(Virginia Tech, 2016-06-23)The United States public schools promote inclusion and educational equity among diverse student populations. Considerable and growing numbers of students with categorical disabilities and Limited English Proficiency (LEP) ... -
Kairos: Architecture and the Pause for Good Taste
(Virginia Tech, 2013-07-02)The following is the architectural narrative of a slow meal. Slowness is rich with meaning and expectations. I sought to explore slow not in terms of speed or a measured passage of time, but in terms of the passage of ... -
Kalman Filter Implementation to Determine Orbit and Attitude of a Satellite in a Molniya Orbit
(Virginia Tech, 2014-06-23)This thesis details the development and implementation of an attitude and orbit determining Kalman filter algorithm for a satellite in a Molniya orbit. To apply the Kalman Filter for orbit determination, the equations of ... -
Kalman filtering in noisy nonlinear systems using a jump matrix approach
(Virginia Tech, 1993-05-05)A computationally efficient estimation technique is presented for a class of nonlinear systems consisting of memoryless nonlinearities combined with linear dynamic processes. The modeling approach is based on a useful ... -
Kant on the Progression of Representation
(Virginia Tech, 2017-06-03)Recently, the key point of contention in Kant scholarship has revolved around a question concerning whether, for Kant, intuitions can play their role of presenting objects to the mind without the discursive activity of the ... -
Kant's Critical Attitude Towards The Only Possible Argument
(Virginia Tech, 1997-07-24)A great deal of attention has been paid to Kant's claim in the Critique of Pure Reason that all theoretical attempts to demonstrate the existence of God must necessarily end in failure. What has received considerably less ... -
Kant's Doctrine of Schemata
(Virginia Tech, 1999-05-13)The following is a study of what may be the most puzzling and yet, at the same time, most significant aspect of Kant's system: his theory of schemata. I will argue that Kant's commentators have failed to make sense of ... -
Kant's Negative Answer to Molyneux's Question
(Virginia Tech, 2014-06-03)While it has recently been argued that Kant's views about space in the Transcendental Aesthetic do not commit him to an affirmative answer to Molyneux's question, there has been very little attention given to the issue of ... -
Kantianism and Its Commitment to Non Naturalism
(Virginia Tech, 2016-06-27)Kantian ethics has a strong following amongst the philosophical community when it comes to morality and ethics. Many Kantians, including Christine Korsgaard, subscribe to the view that Kantianism is opposed to Non-Naturalism. ... -
Keller's personalized system of instruction in a college level volleyball course
(Virginia Tech, 1991-06-05)The purpose of this study was to describe the effects and influences of Keller’s Personalized System of Instruction (PSI) in the psychomotor domain through a college level volleyball course. PSI was implemented in a beginning ... -
Kenyan Vegetable Farmers' IPM adoption: barriers and impacts
(Virginia Tech, 2020-07-29)This thesis analyzes factors affecting adoption of integrated pest management (IPM) techniques by Kenyan vegetable farmers, including the role of their risk preferences. It also analyzes factors affecting their pesticide ... -
Keratin Microparticles for Drug and Cell Delivery
(Virginia Tech, 2019-05-02)Keratins are a family of proteins found within human hair, skin and nails, as well as a broad variety of animal tissue. Prior research suggests hydrogel constructs of keratin and keratin derivatives exhibit several mechanical ... -
Keratose Hydrogels Promote Vascular Smooth Muscle Differentiation from c-kit+ Human Cardiac Stem Cells: Underlying Mechanism and Therapeutic Potential
(Virginia Tech, 2018-03-23)Cardiovascular disease is the leading cause of death in the United States, and coronary artery disease (CAD) kills over 370,000 people annually. There are available therapies that offer a temporary solution; however, only ... -
Ketone Supplementation, Cardiometabolic Health, and Cognition in Humans
(Virginia Tech, 2022-07-06)Cardiovascular disease (CVD) is the leading cause of death in the United States. Age is a primary risk factor for the development of CVD and middle-age is a vulnerable period where risk factors for the disease begin to ... -
Key events in the lives of successful middle school principals in Virginia
(Virginia Tech, 1994)The purpose of this study was to determine from successful middle school principals what significant or key life events seem to have made a difference in the manner in which the principals work and lead their schools. A ... -
Key Factors Affecting the Implementation of Biotechnology Instruction in Secondary School Level Technology Education Classrooms
(Virginia Tech, 2009-05-21)The growing impact of biotechnology globally and nationally over the past few decades has prompted the need for elevating general biotechnological literacy levels in all populations. This need is currently being addressed ... -
Key life events of successful school superintendents in North Carolina
(Virginia Tech, 1996)The problem in this study was to identify the key life events superintendents in North Carolina feel have contributed significantly to their success. Additionally, this study sought to ascertain the people who were ... -
A Key Management Architecture for Securing Off-Chip Data Transfers on an FPGA
(Virginia Tech, 2004-06-18)Data security is becoming ever more important in embedded and portable electronic devices. The sophistication of the analysis techniques used by attackers is amazingly advanced. Digital devices' external interfaces to ... -
Key Management for Wireless Sensor Networks in Hostile Environments
(Virginia Tech, 2006-04-28)Large-scale wireless sensor networks (WSNs) are highly vulnerable to attacks because they consist of numerous resource-constrained devices and communicate via wireless links. These vulnerabilities are exacerbated when WSNs ...
