This report showcases a new type of online homework system that provides students with a free-form interface and dynamic feedback. The ORCCA Tutor (Open-Response Chemistry Cognitive Assistance Tutor) is a production rules-based online tutoring system utilizing the Cognitive Tutoring Authoring Tools (CTAT) developed by Carnegie Mellon University.…

Various theories and models have implicitly discussed the role of interaction when using learning technologies. Indeed, interaction is described as being important as it relates to technology adoption, cognitive load, and usability. While each of these perspectives describe elements of interaction, they fail to comprehensively detail how educators…

By conducting usability testing on a multilanguage Web site, this study analyzed the cultural differences between Taiwanese and American users in the performance of assigned tasks. To provide feasible insight into cross-cultural Web site design, Microsoft Office Online (MOO) that supports both traditional Chinese and English and contains an almost…

The computer-based "Graduate Record Examinations"® ("GRE"®) revised General Test includes interactive item types and testing environment tools (e.g., test navigation, on-screen calculator, and help). How well do test takers understand these innovations? If test takers do not understand the new item types, these innovations may…

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…

This study evaluates the usability of the Journal Finder integrated search interface, developed at the Jackson Library at the University of North Carolina at Greensboro. This interface provides electronic access to publications including journals, newsletters, newspapers, and magazines. This study was conducted to determine how intuitive and…

Library patrons familiar with Web searching conventions often find library searching to be less familiar and even intimidating. This article describes and evaluates a series of usability research studies employing two different and popular methodologies: user-centered redesign and usability testing. Card sorting and affinity mapping were used to…

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…