The realization that the facilities available for the retrieval of scientific and technical information were being underutilized resulted in a project undertaken by the Drexel University School of Library and Information Science to develop a computer intermediary capable of assisting users of scientific and technical information in the performance…

Testing in an industrial setting of the Individualized Instruction for Data Access System--an intermediary system designed to train and assist users in conducting computer searches--demonstrates that end users can learn to do bibliographic searches through computer-assisted instruction that are as satisfactory as searches performed for them.…

Different aspects of human-machine interaction are discussed in the five brief papers that comprise this report. The first paper, "Some Observations on Mental Models," discusses the role of a person's mental model in the interaction with systems. The second paper, "A Psychologist Views Human Processing: Human Errors and Other…

Developed for use by army authors, this report provides information to assist in the step-by-step production of interactive videodisc training delivery systems (VTDS). The first of three volumes describes the hardware and software for VTDS, as well as videodisc authoring and production systems (VAPS). The range of capabilities of consumer-model…