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Videos of classroom lectures have proven to be a popular and versatile learning resource. A key shortcoming of the lecture video format is accessing the content of interest hidden in a video. This work meets this challenge with an advanced video framework featuring topical indexing, search, and captioning (ICS videos). Standard optical character recognition (OCR) technology was enhanced with image...
Video of a classroom lecture has been shown to be a versatile learning resource comparable to a textbook. Captions in videos are highly valued by students, especially those with hearing disability and those whose first language is not English. Captioning by automatic speech recognition (ASR) tools is of limited use because of low and variable accuracy. Manual captioning with existing tools is a slow,...
Research on retaining students in computer science is clear: pedagogical and curricular interventions that are experienced by all students are the most effective. Yet understanding what brings faculty to modify their teaching practices is scant. This study presents findings from a study based on interviews with 66 computer science professors and instructors in the U.S. Faculty described various sources...
This paper describes a large-scale study of student use and perceived value of videos of faculty lectures as an additional learning resource. The survey-based study was conducted with ∼2,300 college students in biology, chemistry, computer science, geology, and mathematics. The study provides a nuanced understanding of the nature and frequency of students' video usage; student perceptions of value...
The recent upsurge in enrollments in computing means that student attrition has a substantial opportunity cost. Admitting a student who leaves both reduces graduation yield and prevents another equally qualified student from enrolling. Professors cannot change the background of students, but they can control many aspects of student experience in the computing major. This paper presents the results...
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