This paper summarizes selected findings on approaches to increasing the rate of communicatively appropriate responses in augmentative and alternative communication. Six approaches--efficient keyboard layouts, reduced keys keyboards, Minspeak with Words Strategy, enlarged keys keyboards, abbreviation expansion, and lexical prediction--are reviewed…

"Cued Typing" is a computerized communication message preparation program, written for Apple II Plus, using frequency-based prediction algorithms and menu selection to reduce word cost while maintaining vocabulary flexibility. "Cued Typing" was more efficient than letter-by-letter typing, but word cost was still quite high, and…