Uses an information processing approach to analyze the pausal behavior of end-users and identifies reasons for pausing, location of pauses, hesitation rate and pausal behavior changes over time. Confirms that searchers pause less frequently and for shorter periods as they progressed through searches over time. (Author/AEF)

Presents a framework for modeling the content of information objects such as documents and video programs based on observation of how users interact with those objects in the course of information seeking and use. Identifies four categories of potentially observable user behaviors: examination, retention, reference, and annotation. (AEF)

Compares users' self-reported and observed usability problems within a Web-based information system. Participants were asked to complete a specific list of tasks within the system, after which they answered several questions regarding the system's usability. While, advanced users generally completed the tasks in less time than novices, the number…

Proposes an extended vector-processing scheme that extracts information from hypertext links to enhance retrieval effectiveness. Evaluates the impact of bibliographic references, bibliographic coupling, cocitation and document representative relationships. Shows that hypertext links do not always improve average precision, and interdocument…

This 910-item annual update (1984 through early 1985) covers: online systems, databases, services; man-machine studies, database creation, user interface, system design and evaluation; profile development, searching techniques, indexing; usage studies, economics, promotion, online searching services management; user training, microcomputer…

A Netherlands study concluded that user-oriented information systems should provide freedom to browse as well as ease and speed in finding information; inexpensive service; up-to-date topical information for online services and large quantities of slowly changing information for offline services; and choices between several information services,…

Results from user studies support the importance of genre and task in interface design and effectiveness of filtering of electronic news. Preliminary results from a study on effectiveness of predicting interesting Web pages based on the content of previously visited pages suggest a great similarity between reading electronic news and browsing the…

This review of the literature on the effect of information overload on users' information-seeking behavior focuses on librarians' opinions about the number of references that constitute too many, and users' preferences for maximum numbers of references from online searches, online public access catalog postings, and manual indexes. (35 references)…

Reports results of study of a group of end users (patent attorneys) doing their own online searching at AT&T Bell Laboratories. Highlights include DIALOG databases used by the attorneys, locations and searching modes, characteristics of patent attorney searchers, and problem areas. Questionnaire is appended. (5 references) (EJS)

Examines end-user judgment and evaluation behavior during information retrieval (IR) system interactions and extends previous research surrounding relevance as a key construct for representing the value end-users ascribe to items retrieved from IR systems. The self-reporting worksheet is appended. (Author/AEF)

Assesses results of questionnaire survey of 150 users of National Library of Australia's ERIC Selective Dissemination of Information Services established in 1974. Topics covered include user opinions, communication between service and users, Australian material inclusion, retrospective searches, online searches, other ERIC users, document back-up,…

Describes a survey of Australian primary and secondary schools that examined their use of electronic information systems. Topics discussed include systems and services in use, the extent of system use and acceptance, curriculum applications, perceived problems and benefits, and some of the strategies and administrative procedures connected with…

Presents the opening remarks and keynote addresses of a conference held in Toronto June 1-3, 1988. In the first address W. David Penniman presents a brief history of information technology and discusses issues of current concern. In the second, Jeffrey Katzer questions current assumptions underlying information science and discusses communications…