Describes an interactive data retrieval system which was designed and implemented for casual users and which incorporates a user-friendly interface, aids to train beginners in use of the system, versatility in output, and error recovery protocols. A 14-item reference list and two figures illustrating system operation and output are included. (JL)

Identifies factors that reduce the effectiveness of computers as intermediaries and discusses possible negative effects on user satisfaction and the interaction between users and librarians. A set of guidelines for the improvement of online catalogs, based on user needs and abilities, is presented. (41 references) (CLB)

Contained in this bibliography are 312 references as they related to general principles and problems of information display, man-computer interaction, present and possible future display equipment, ergonomic aspects of display design, and current and potential applications, especially to information processing. (Author/MM)