Recent research in second language acquisition suggests that a number of speed, breakdown, repair, and composite measures reliably assess fluency and predict proficiency. However, there is little research evidence to indicate which measures best characterize fluency at each assessed level of proficiency and which can consistently distinguish one…

This study investigated second language fluency development over a nearly 2-year period which included an academic year abroad and the year immediately following the participants' return to their home university. Data from 24 L1 English learners of Spanish were collected 6 times: once before, 3 times during, and 2 times after a 9-month stay…