This study adopted Ambridge's research paradigm to examine the effects of entrenchment, preemption, and verb semantics in second language (L2) acquisition of English "un-" prefixation. Three groups of Chinese learners of English (second- and fourth-year English majors and teachers of English) rated the acceptability of 48 "un-"…

Investigated how well nonnative speakers (NNSs) could modify their output toward comprehensibility when interacting with native speakers (NSs) and NNSs, noting how often modified comprehensible output (MCO) was other- or self-initiated. Picture-dictation and opinion-exchange task data indicated that most repairs were self-initiated. NNS-NNS…

This article is based on current research being undertaken in an African high school in the Republic of South Africa. The subjects for this research are Zulu-speaking pupils, average age sixteen years, who have received eight years of formal instruction in English. They are being tested in their ninth year of schooling (Standard Seven) when…

The theoretical linguistic distinction between assertion and presupposition was empirically tested with two groups of subjects, young children acquiring English as their first language and adults acquiring English as a second language. (Author)