In an exploratory study, participants (n = 18) completed 11 usability tasks to assess ease of use of two Web sites, and then a Web site perception questionnaire for each. Participants rated both Web sites positively, but 25% and 36% could not complete all tasks; doing so required more than a minute to complete. (Contains 2 figures and 7 tables.)

This paper outlines the principles and theory of performance support (in general) and of electronic performance support (in particular). It explains why the design and creation of electronic performance support systems are so important as a mechanism for providing scaffolding environments for use in improving the learning experience for new (and…

Describes a study conducted at Ohio State University libraries that gauged success using the Library Resources Network by having 43 users complete an exercise that forced them to make database selections, use a variety of database interfaces, and select appropriate terminology. Sample screen displays and the questionnaire used are appended.…

Describes the results of a study of academic libraries that was conducted to determine what influences users when choosing an online database to search. Highlights include quality content; intuitive interfaces; convenient access; recommendations from library instruction or instructors; and the availability of full text. (LRW)