科研之友
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摘要
Given the popularity of webcasts and their educational benefits as stressed in previous research, this paper investigates students' acceptance and continued use of webcasts in an undergraduate course. Furthermore, the study explores the determinants of students' webcast use by employing the well-validated Technology Acceptance Model (TAM) of Davis (MIS Quarterly 13(3):319-339, 1989). To this, a temporal dimension was added, as TAM focuses on students' initial expectations and attitudes before using a tool. Hence, it remains unclear how these expectations and attitudes change when a student is exposed to the webcasts and how these changed perceptions and attitudes explain students' continued use. The current study attempts to address this by capturing both students' initial expectations and attitudes prior to exposure and their perceptions and attitudes during exposure. Students' (n = 120) webcast usage was captured by logging the number of hits and the duration spent viewing the webcasts. Results reveal that, although many students accepted webcasts, only a few continued to use them. Contrary to the TAM model, students' initial adoption was not influenced by their initial attitudes and expectations. Students' continued use was only influenced by their perceptions of usefulness. This data illustrates that, although students were positive towards the webcasts, they only used them after they acknowledged the functionality of such a tool in supporting the learning process.
- 出版日期2012-4
