Library and Information Science Commons^™

Fighting Mass Diffusion Of Fake News On Social Media, Abdallah Musmar

USF Tampa Graduate Theses and Dissertations

Fake news has been considered one of the most challenging problems in the last few years. The effects of spreading fake news over social media platforms are widely observed across the globe as the depth and velocity of fake news reach far more than real news (Vosoughi et al., 2018). The plan for the following dissertation is to investigate the mass spread of fake news across social media and propose a framework to fight the spread of fake news by mixing preventive methods that could hinder the overall percentage of fake news sharing. We plan to create a study on …

Constructing Frameworks For Task-Optimized Visualizations, Ghulam Jilani Abdul Rahim Quadri

USF Tampa Graduate Theses and Dissertations

Visualization is crucial in today’s data-driven world to augment and enhance human understanding and decision-making. Effective visualizations must support accuracy in visual task performance and expressive data communication. Effective visualization design depends on the visual channels used, chart types, or visual tasks. However, design choices and visual judgment are co-related, and effectiveness is not one-dimensional, leading to a significant need to understand the intersection of these factors to create optimized visualizations. Hence, constructing frameworks that consider both design decisions and the task being performed enables optimizing visualization design to maximize efficacy. This dissertation describes experiments, techniques, and user studies to …

Designing Targeted Mobile Advertising Campaigns, Kimia Keshanian

USF Tampa Graduate Theses and Dissertations

With the proliferation of smart, handheld devices, there has been a multifold increase in the ability of firms to target and engage with customers through mobile advertising. Therefore, not surprisingly, mobile advertising campaigns have become an integral aspect of firms’ brand building activities, such as improving the awareness and overall visibility of firms' brands. In addition, retailers are increasingly using mobile advertising for targeted promotional activities that increase in-store visits and eventual sales conversions. However, in recent years, mobile or in general online advertising campaigns have been facing one major challenge and one major threat that can negatively impact the …

Gao Bid Protests By Small Business: Analysis Of Perceived And Reported Outcomes In Federal Contracting, David M. Snyder

USF Tampa Graduate Theses and Dissertations

The purpose of this research is to better understand GAO bid protest outcomes, if they are perceived as effective by stakeholders particularly small businesses, and what implications perceptions of outcomes have for small businesses. As a small business owner in the U.S. Federal government contracting space, the rationale for this research improves my business’s performance and inform other small business practitioners of the practical utility of GAO protests. The GAO protest system is well intended American innovation in accountability of government agencies’ acquisition of supplies and services.

The GAO reports protest outcome rates are reflected as moderately effective at approximately …

Impact Of Health It On Practice Of Medicine, Deepti Singh

USF Tampa Graduate Theses and Dissertations

This dissertation focuses on three key facets of health IT impact on the practice of medicine: (1) Clinical impact on practitioner outcomes through malpractice claims, (2) Socio-economic impact on patient outcomes through the clinical treatment of social determinants of health (SDOH), and (3) Organizational impact on Long-Term Post-Acute Care (LTPAC) Facilities. The first dissertation essay (Chapter 1) investigates the impact of Health IT on the nature and severity of malpractice claims reported in Florida from 2009-2016. The essay empirically examines the treatment effect of federal initiatives, specifically the Meaningful Use program, on medical practitioners enrolled in the Medicare program and …

Self-Protection In Cyberspace: Assessing The Processual Relationship Between Thoughtfully Reflective Decision Making, Protection Motivation Theory, Cyber Hygiene, And Victimization, C. Jordan Howell

USF Tampa Graduate Theses and Dissertations

The current study, using structural equation modeling, assesses the processual relationship between thoughtfully reflective decision making (TRDM), theoretical constructs derived from protection motivation theory (PMT), cyber hygiene, and online victimization to determine the cognitive decision-making process that leads to the adoption of online self-protective behaviors, which reduces the occurrence of victimization experiences. Findings, derived from a general sample of Internet users in the United States, reveal: (1) engagement in cyber hygiene practices, as a form of target hardening, decreases Internet users’ experiences with online victimization; (2) thoughtfully reflective decision makers, in the face of cyber threats, develop higher threat appraisals …