What is second language fluency? What is a foreign accent? Is it possible for an adult second language learner to speak fluently with a heavy accent or vice versa? What factors contribute to the perception of fluency and a foreign accent? What acoustic attributes correlate with the perception of fluency and a foreign accent? To answer these…

Six Mandarin affricates (i.e., zh[ts], ch[ts[superscript h]], z[ts], c[ts[superscript h]], j[tc], q[tc[superscript h]), which are not universally present in other languages, have been extensively challenging for learners of Mandarin Chinese. In the current study, perception of these affricates was investigated via an experiment in which native…