T his book is a classic reborn-an update that has been a classic in our field since it was first published in 1974. The current edition is dedicated to the memories of Robert M. Gagne and Leslie J. Briggs for their many contributions to educational psychology and instructional systems design. It is the first new edition in over a decade, but it was worth waiting for.New to this edition are two chapters: one about online learning and another on technology. All chapters have been rewritten and updated. I like the authors' informal writing style. A valuable feature of the book is its many tables and figures. The tables facilitate learning for the novice and serve as excellent job aids for the experienced professional.Rather than a step-by-step procedure, this book presents instructional design (ID) based on learning principles-as the title states. The principles are supported by research. The chapters have anywhere from 10 to more than 50 references. They include a combination of classic and current references. The book provides a solid base of research and applications from the last several decades and provides insight into the future of ID.

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The operation and maintenance of large combustion turbines for electric power generation can be enhanced by training plant operators and maintenance technicians using Digital Video Interactive (DVI®) technology. DVI® is an all digital format for generating motion video, audio, animation, and graphics and still images. Using DVI® for visual information display provides effective training that encompasses both functional and diagnostic training, and can be augmented by on-line access to gas turbine documentation. The success of DVI® as a training vehicle is expected to be patterned after the success of interactive videodisc with the added advantage of an all digital format. DVI® is being integrated with other advanced technologies including expert systems and intelligent tutoring to form a complete informational resource for diagnostic training, visual data bases, and post disturbance analysis and blade inspection. These informational resources can be applied to on-site training using a new low-cost portable delivery system combining powerful microcomputers, dual visual displays, and large disk storage media. This portable information system is an outgrowth of the EPRI research into field troubleshooting based upon the SA*VANT® system. SA*VANT® is a portable computer-based expert system advisor to aid technicians in troubleshooting the Westinghouse 501 during fail-to-start situations.