The current dissertation investigated segmental and prosodic aspects of first- (L1) and second-language (L2) speech production. Forty Korean-speaking adults and children varying in L2 experience (6 months-inexperienced vs. 6 years-experienced) as well as twenty age-matched native English speaking adults and children participated. Experienced…

Despite abundant evidence of malleability in speech production, previous studies of the effects of late second-language learning on first-language production have been limited to advanced learners. This dissertation examines these effects in novice learners, finding that experience in a second language rapidly, and possibly inexorably, affects…