In an era where digital platforms increasingly shape the educational experiences of learners, this dissertation examines activity in the Mathematics Discord Server (MDS), an expansive online learning community used by hundreds of thousands of mathematics learners worldwide. Daily interactions, numbering in the tens of thousands, focused on…

Technology devices are increasingly being added by schools as academic resources for students and teachers. These devices are often added with an eye to increasing access and leveling the playing field in terms of digital access. This access is considered by schools to be a competitive advantage, often impacting school rankings and school report…

Encryption based ransomware operates by iterating through all files with specific extensions on the computer and mutating them into an unusable form. The mutation, in many cases, can only be reversed if the user pays the operator of the ransomware a fee to get their files back. K-12 school districts have fallen victim to rampant malware as a…

The purpose of this dissertation is to describe and understand how teachers describe the changes in their practices as a result of ten years participation in a one-to-one environment. This research study focuses on one successful middle school's adoption of laptops to support teaching and learning. A qualitative study using interviews of key…

Social bookmarking has gained popularity since the advent of Web 2.0. Keywords known as tags are created to annotate web content, and the resulting tag space composed of the tags, the resources, and the users arises as a new platform for web content discovery. Useful and interesting web resources can be located through searching and browsing based…

The problem examined in the proposed study was the underutilization of the intranet portals (IP) by faculty in institutions of higher education (IHE). Despite the time and investment allocated to the IP, the technology remains underutilized to improve productivity, efficiency, and justify its investment yet there is lack of understanding of why…

Although increasingly encouraged to incorporate new media into classrooms to prepare students for engaged participation in a digital world, teachers are often taken by surprise when paradigm clashes arise between traditional school expectations and the affordances of these new spaces. Students, at the same time, are faced with making sense of the…

This work comprises studies on the effects of broadband Internet in schools at three different levels: student performance, household Internet adoption, and individual computer and Internet use patterns and skill acquisition. I focus in the case of Portugal, where by 2006 the Portuguese government had completed a major initiative that upgraded the…

Using a theoretical framework of adolescent social capital, this study examines what one middle school does or does not do to help the students at the school make friends and acquaintances. After reviewing the related literature on adolescent social capital, social network theory, social goal motivation, and best practices middle school…

The arrival of a new generation of students, known as the Net Generation (Junco, 2010), into colleges and universities has demanded changes to the traditional administrative and support services provided on campuses across the nation. In times of ever-changing technological advances, colleges and universities have begun to utilize new and…

As the culmination of a two-year long Internet ethnographic study of three separate sites, I use examples of women and minorities fighting against discrimination online to explore the power structures inherent to networks and how these might affect classroom practice. I will show how our ordinary assumptions in rhetoric and composition as well as…

This dissertation examines the effects of social network sites on youth social and academic development. First, I provide a critical analysis of the extant research literature surrounding social network sites and youth. I merge scholarly thought in the areas of Internet studies, digital divides, social capital theory, psychological well-being,…

With privacy concerns growing on a daily basis, it is important to understand how college students guard their personally identifiable information. Despite the students' perceived readiness and several studies on the topic, it is not fully understood what personally identifiable information college students are sharing via online social networks…

With the increasing wealth of information on the Web, information integration is ubiquitous as the same real-world entity may appear in a variety of forms extracted from different sources. This dissertation proposes supervised and unsupervised algorithms that are naturally integrated in a scalable framework to solve the entity resolution problem,…

Falun Gong emerged as spiritual social movement after being outlawed by the Chinese Communist Party authorities in 1999. Since then, Falun Gong practitioners have made heavy use of information and communication technologies, particularly the Internet, to further their movement's activities. This dissertation systematically examines the role of…