As Tarone (1998) stated, an understanding of interlanguage variation in relation to contextual changes has been a key issue in both second language acquisition (SLA) and language assessment (LA) research. Research on interlanguage variation has shown that systematic variation is often evidenced when different phonological and syntactic forms are…

Advocates a "process" viewpoint of language use for second language proficiency testing and explores its potential for greater insights from five perspectives: text linguistics and discourse analysis; interlanguage; expectancy; negotiation and interaction; and communication strategies. (Author/CB)