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Salmeron, Ladislao; Baccino, Thierry; Canas, Jose J.; Madrid, Rafael I.; Fajardo, Inmaculada – Computers & Education, 2009
Educational hypertexts usually include graphical overviews, conveying the structure of the text schematically with the aim of fostering comprehension. Despite the claims about their relevance, there is currently no consensus on the impact that hypertext overviews have on the reader's comprehension. In the present paper we have explored how…
Descriptors: Hypermedia, Comprehension, Learning Strategies, Learning Processes

Schruben, Lee W. – Journal of Computing in Higher Education, 1992
SIGMA (Simulation Graphical Modeling and Analysis) is a computer graphics environment for building, testing, and experimenting with discrete event simulation models on personal computers. It uses symbolic representations (computer animation) to depict the logic of large, complex discrete event systems for easier understanding and has proven itself…
Descriptors: Classroom Techniques, Comprehension, Computer Graphics, Computer Science Education