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Yu, Pao-Ta; Liao, Yuan-Hsun; Su, Ming-Hsiang; Cheng, Po-Jen; Pai, Chun-Hsuan – International Review of Research in Open and Distance Learning, 2012
A rapid scene indexing method is proposed to improve retrieval performance for students accessing instructional videos. This indexing method is applied to anchor suitable indices to the instructional video so that students can obtain several small lesson units to gain learning mastery. The method also regulates online course progress. These…
Descriptors: Information Retrieval, Tests, Teaching Methods, Electronic Learning
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Lai, Yen-Shou; Tsai, Hung-Hsu; Yu, Pao-Ta – Educational Technology & Society, 2009
This paper proposes a multimedia English learning (MEL) system, based on Hidden Markov Models (HMMs) and mastery theory strategy, for teaching students with the aim of enhancing their English phonetic awareness and pronunciation. It can analyze phonetic structures, identify and capture pronunciation errors to provide students with targeted advice…
Descriptors: Experimental Groups, Control Groups, Quasiexperimental Design, Phonemic Awareness