ETDs: Virginia Tech Electronic Theses and Dissertations
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Virginia Tech has been a world leader in electronic theses and dissertation initiatives for more than 20 years. On January 1, 1997, Virginia Tech was the first university to require electronic submission of theses and dissertations (ETDs). Ever since then, Virginia Tech graduate students have been able to prepare, submit, review, and publish their theses and dissertations online and to append digital media such as images, data, audio, and video.
University Libraries staff are currently digitizing thousands of pre-1997 theses and dissertations and loading them into VTechWorks. Most of these theses and dissertations are fully available to the public, but we will, in general, honor requests by the item's author to restrict access to Virginia Tech only. See our process for Requesting that Material be Amended or Removed.
To search all Virginia Tech print and digital theses and dissertations, use the University Libraries ETD resource guide.
Materials that are restricted to Virginia Tech only may be requested via your own university or public library's Interlibrary Loan program or through the VTechWorks request form that appears when you try to access the item. You might also be able to obtain a copy of the work through ProQuest's database of theses and dissertations. If you are on a Virginia Tech campus but are unable to find the pre-1997 thesis or dissertation you are seeking in VTechWorks, you may also be able to order a physical copy from library storage. Please check the library catalog at http://www.lib.vt.edu/ for physical copies.
The guidelines that apply to Virginia Tech's graduate students as ETD authors can be found at http://guides.lib.vt.edu/ETDguide.
New! - Help video: Searching for Electronic Theses and Dissertations in VTechWorks
Collections in this community
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Doctoral Dissertations [14543]
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Masters Theses [19680]
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Undergraduate Theses [27]
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Virginia Tech ETD Resources [13]
Documentation about creating and formatting Virginia Tech ETDs
Recent Submissions
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Electroelastic Modeling and Testing of Direct Contact Ultrasonic Clothes Drying Systems
(Virginia Tech, 2020-07-06)Energy efficient appliances and devices are becoming increasingly necessary as emissions from electricity production continue to increase the severity of global warming. Many of such appliances have not been substantially ... -
Identifying Job Categories and Required Competencies for Instructional Technologist: A Text Mining and Content Analysis
(Virginia Tech, 2020-07-06)This study applied both human-based and computer-based techniques to conduct a job analysis in the field of instructional technology. The primary research focus of the job analysis was to examine the efficacy of text mining ... -
Potential Downstream Immunological Effects of Evolved Disease Tolerance in House Finches
(Virginia Tech, 2020-07-06)Emerging infectious diseases can exert strong selection on hosts to evolve resistance or tolerance to infection. However, it remains unknown whether the evolution of specific defense strategies against a novel pathogen ... -
Stories of the Sharing Economy: Comparing Narratives and Regulatory Responses to TNCs across American Cities
(Virginia Tech, 2019-01-11)Over the last several years, new transportation service business platforms like Uber and Lyft have appeared in cities across the U.S. Since these new business models do not fit into existing regulatory and policy frameworks, ... -
Emission of Insoluble Mineral Particles from Ultrasonic Humidifiers
(Virginia Tech, 2018-01-10)Ultrasonic humidifier use is a potential source of human exposure to inhalable particulates. This paper focused on the behavior of insoluble iron oxides particles, and aluminum oxide particles in ultrasonic humidifiers. ... -
Measuring Medicinal Nontimber Forest Product Output in Eastern Deciduous Forests
(Virginia Tech, 2019-01-10)Nontimber forest products (NTFPs) play an important role in the lives of people who rely on forests. An absence of data on the size of harvests, their location, and the economic value of NTFPs prevents effective management ... -
The Colonizers and Their Colonized
(Virginia Tech, 2019-01-09)This study is concerned with the Self/Other dichotomy, originally formulated by scholars of South Asian history in the context of European imperialistic treatments of the peoples whom they colonized for centuries, as applied ... -
Performance Analysis and Tank Test Validation of a Hybrid Wave-Current Energy Converter with a Single Power Takeoff
(Virginia Tech, 2020-07-01)Marine and hydrokinetic (MHK) energy, including ocean waves, tidal current, ocean current and river current, has been recognized as a promising power source due to its full-day availability and high energy potential. At ... -
Data-driven customer energy behavior characterization for distributed energy management
(Virginia Tech, 2020-07-01)With the ever-growing concerns of environmental and climate concerns for energy consumption in our society, it is crucial to develop novel solutions that improve the efficient utilization of distributed energy resources ... -
Two essays on institutional investors
(Virginia Tech, 2020-07-01)In the first essay, we study mutual funds' voting on compensation-related proposals initiated by corporate management. Compared with proposals on other topics, proposals on compensation issues are more likely to be challenged ... -
Muted Blue
(Virginia Tech, 2020-07-01)Muted Blue (Whale Level) is a Virtual Reality educational experience that explores the possibility of creating an alternative learning method in an informal learning setting such as a museum. This project seeks to merge ... -
Healing and Reintegrating in the City: Urban Infill as a Sanctuary for Jane Doe
(Virginia Tech, 2020-07-01)The sex trafficking industry is not only a social justice issue, but also an architectural issue. In the same urban fabric where people live, work, and socialize, victims of commercial sex trafficking live in the shadows, ... -
Resilience-based Operational Analytics of Transportation Infrastructure: A Data-driven Approach for Smart Cities
(Virginia Tech, 2020-07-01)Studying recurrent mobility perturbations, such as traffic congestions, is a major concern of engineers, planners, and authorities as they not only bring about delay and inconvenience but also have consequent negative ... -
The anthelmintic effect of Bacillus thuringiensis Cry5B on Haemonchus contortus in sheep
(Virginia Tech, 2020-06-30)Widespread anthelmintic resistance in trichostrongyle nematodes of ruminants has created an urgent need for alternatives to commercial anthelmintics. The bacterium Bacillus thuringiensis (Bt) can produce crystal proteins ... -
When the News is the News: A Textual Analysis of NBC and CBS networks' Response to Sexual Harassment Allegations in the Wake of the #MeToo Movement
(Virginia Tech, 2020-06-30)As the #MeToo movement swept the nation from Hollywood to Washington, within less than a week's time in November of 2017, longstanding news anchors, Matt Lauer and Charlie Rose were fired from their respective news networks ... -
Public Oasis for Nomads
(Virginia Tech, 2020-06-30)As our technologies evolve, the world gets smaller, and it becomes easier for people to travel and mix. Some people travel, some move permanently, creating an exchange of cultures and knowledge. I believe our architecture ... -
Ecology of the Brown Marmorated Stink Bug (Hemiptera: Pentitomidae): Oviposition on Different Trees, Nymphal Development on Various Vegetable Hosts, and Assessment of a Bacterial Pathogen
(Virginia Tech, 2019-01-07)The brown marmorated stink bug, Halyomorpha halys (Stål), is an invasive species that has spread throughout the United States and become a serious agricultural pest. Studies were conducted in Virginia on the survival of ... -
Groundwater Modeling and Hydrogeological Parameter Estimation: Potomac Aquifer System, SWIFT Research Center
(Virginia Tech, 2020-06-29)The Sustainable Water Interactive for Tomorrow (SWIFT) project in eastern Virginia is a Managed Aquifer Recharge project designed to alleviate the depletion of the Potomac Aquifer System due to unsustainable groundwater ... -
Self-regulation and Regulatory Focus Theory: Regulation in Response to Goal Discrepancy Feedback in a Regulatory Focus Framework
(Virginia Tech, 2020-06-29)Regulatory focus theory is a motivational orientation theory encompassing two regulatory systems: promotion focus and prevention focus. Promotion focused individuals tend to seek success, implement risky tactics, and an ... -
Echogenic Biomaterials for Medical Ultrasound Tracking
(Virginia Tech, 2020-06-29)As the world population ages, hospital discharges of geriatric patients to nursing homes have increased. Patients with peripherally inserted central catheters (PICCs) are routinely discharged with the catheters in place. ...
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