This volume reviews mid-1980s research in the development of computer systems that employ advanced technology to meet the needs of an expanding user population, while remaining sensitive to human requirements. Contributions from researchers in such diverse areas as user interface technology through to controlled experimental evaluations of systems and human factors principles are included in this volume. Topics considered includes recommendations for dialogue design, views of organizations on human factors, graphical and multimedia human/computer interaction, perspectives for the future of interactive systems, and the design of languages for applications in teleconferencing, databases for videotex systems and office automation.