This paper argues that the vertical spread of computer-assisted language learning (CALL), i.e., a spread throughout language materials and curricula, makes it difficult to draw a clear distinction between CALL and other language materials. In view of the emphasis that teachers, researchers, and administrators have placed on evaluating CALL, I…

Development and evaluation of interactive videodisc (IVD) courseware for English-as-a-Second-Language (ESL) instruction are described. Effective listening and viewing strategies, identified through descriptive research, were incorporated into an existing ESL IVD. Subjects, 81 college ESL students, were pre-tested, then divided into control and…