Examines the Variable Competence (VC) approach to second language acquisition (SLA) by defining what is meant by VC and looking at the variable rules and how they are acquired. The research implications of VC models are examined, presenting arguments for and against their use in applied linguistic research in language testing and SLA. (32…

This article proposes a new type of pronunciation test, based on the variability principle and language continuum paradigm developed by Tarone (1983, 1985). Trials with 80 elementary and 73 university students indicate that the test distinguishes between subjects with and without phonetic training and is generally reliable and valid. Contains 31…

Considers the validity of Widdowson's discourse model of communicative competence and performance as the basis for developing tests of reading. Describes basic structure of the model and attempts to add to original description in such a way that is possible to design an operational test of the model components. The purpose of the model validation…