This article provides an overview and evaluation of the uses--actual and potential--of automatic speech recognition (ASR) and spoken dialogue systems (SDS), related technologies that can be applied to second language speaking assessment, given particular definitions of the construct. Both technologies have only gradually moved in the direction of…

Lyle F. Bachman is Professor, Department of Applied Linguistics, University of California, Los Angeles. He is a past president of the American Association for Applied Linguistics and of the International Language Testing Association. He has published numerous articles and books in the areas of language testing, program evaluation, and second…