Adaptive and intelligent instructional systems are used to deal with the issue of learning personalisation in contexts where human instructors are not immediately available, so their role is transferred entirely or in part onto the computer. Even though such systems are mostly developed for well-defined domains that have a rather straightforward…

This article argues in favor of a receptive vocabulary component in foreign language courses through consideration of: productive vs. receptive vocabulary knowledge; misconceptions in receptive vocabulary instruction; and classroom-tested approaches and activities for receptive vocabulary development. (CB)