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Yang, Fang-Ying; Chang, Chun-Yen; Chien, Wan-Ru; Chien, Yu-Ta; Tseng, Yuen-Hsien – Computers & Education, 2013
The purpose of the study was to investigate university learners' visual attention during a PowerPoint (PPT) presentation on the topic of "Dinosaurs" in a real classroom. The presentation, which lasted for about 12-15 min, consisted of 12 slides with various text and graphic formats. An instructor gave the presentation to 21 students…
Descriptors: Majors (Students), Human Body, Paleontology, Foreign Countries
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Chang, Yueh-Hsia; Chang, Chun-Yen; Tseng, Yuen-Hsien – Journal of Science Education and Technology, 2010
This study used scientometric methods to conduct an automatic content analysis on the development trends of science education research from the published articles in the four journals of "International Journal of Science Education, Journal of Research in Science Teaching, Research in Science Education, and Science Education" from 1990 to 2007. The…
Descriptors: Constructivism (Learning), Concept Mapping, Scientific Principles, Content Analysis
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Tseng, Yuen-Hsien; Chang, Chun-Yen; Rundgren, Shu-Nu Chang; Rundgren, Carl-Johan – Computers & Education, 2010
Motivated by a long-term goal in education for measuring Taiwanese civic scientific literacy in media (SLiM), this work reports the detailed techniques to efficiently mine a concept map from 2 years of Chinese news articles (901,446 in total) for SLiM instrument development. From the Chinese news stories, key terms (important words or phrases),…
Descriptors: Concept Mapping, Scientific Literacy, Test Construction, Measurement
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Tseng, Yuen-Hsien – Journal of the American Society for Information Science and Technology, 2002
Reports an approach to automatic thesaurus construction for Chinese documents. Presents an effective Chinese keyword extraction algorithm. Compared to previous studies, this method speeds up the thesaurus generation process drastically. It also achieves a similar percentage level of term relatedness. Includes three tables and four figures.…
Descriptors: Algorithms, Automation, Chinese, Information Processing
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Tseng, Yuen-Hsien – Journal of the American Society for Information Science and Technology, 2001
Describes efforts in supporting information retrieval from OCR (optical character recognition) degraded text. Reports on approaches used in an automatic cataloging and searching contest for books in multiple languages, including a vector space retrieval model, an n-gram indexing method, and a weighting scheme; and discusses problems of Asian…
Descriptors: Character Recognition, Indexing, Information Retrieval, Languages