The COVID-19 crisis upended the typical college experience as educational institutions had to close campuses and send students home mid-semester in the spring of 2020. The COVID-19 pandemic left educators around the world with limited choices on how to move forward with high quality education for all. This abrupt closing of higher education…

Current online video interaction is typically designed with a focus on straightforward distribution and passive consumption of individual videos. This "click play, sit back and watch" context is typical of videos for entertainment. However, there are many task scenarios that require active engagement and analysis of video content as a…

A large number of educational resources is now made available on the Web to support both regular classroom learning and online learning. However, the abundance of available content produced at least two problems: how to help students to find the most appropriate resources and how to engage them into using these resources and benefit from them.…

My dissertation examines the theory and praxis of taking an expanded concept of the human-computer interface (HCI) and working with the resulting concept to foster a more conversational approach for online tutoring sessions and the design of the writing center websites that facilitate online tutoring. For the purposes of my research, I describe…

Quickly accessing the contents of a video is challenging for users, particularly for unstructured video, which contains no intentional shot boundaries, no chapters, and no apparent edited format. We approach this problem in the domain of lecture videos though the use of machine learning, to gather semantic information about the videos; and through…