With the widespread availability of Internet and computer technology, on-line web-based learning has become prevalent in the field of teaching Chinese as a second/foreign language (CSL/CFL). This study examined the concepts of usability and types of design elements that help construct an effective web-based learning environment, as well as their…

Recent research on annotation interfaces provides provocative evidence that anchored, annotation-based discussion environments may lead to better conversations about a text. However, annotation interfaces raise complicated tradeoffs regarding screen real estate and positioning. It is argued that solving this screen real estate problem requires…