Part I. Theoretical Progress: 1. The revised speech learning model (SLM-r) (with supplemental materials) James Emil Flege and Ocke-Schwen Bohn; 2. The revised speech learning model (SLM-r) applied James Emil Flege, Katsura Aoyama, and Ocke-Schwen Bohn; 3. New methods for second-language (L2) speech research James Emil Flege; 4. Phonetic and phonological influences on the discrimination of non-native phones Michael D. Tyler; 5. The past, present, and future of lexical stress in second-language speech production and perception Annie Tremblay; Part II. Segmental Acquisition: 6. English obstruent perception by native mandarin, korean and english speakers Yen-Chen Hao and Kenneth de Jong; 7. Changes in the first year of immersion: An acoustic analysis of /s/ produced by japanese adults and children Katsura Aoyama; 8. Effects of the postvocalic nasal on the perception of american english vowels by native speakers of american english and japanese Takeshi Nozawa and Ratree Wayland; Part III. Acquiring Suprasegmental Features: 9. Relating production and perception of L2 tone James Kirby and Dinh Ly Giang; 10. Production of mandarin tones by L1-Spanish early learners in a classroom setting Lucrecia Rallo Fabra, Xialin Liu, Si Chen, Ratree Wayland; 11. Production of english lexical stress by arabic speakers Wael Zuraiq and Joan A. Sereno; 12. Variability in speaking rate of native and non-native speech Melissa M. Baese-Berk and Ann R. Bradlow; Part IV. Accentedness and Acoustic Features: 13. Comparing segmental and prosodic contributions to speech accent Maria Oganyan, Richard Wright and Elizabeth McCullough; 14. Do Proficient mandarin speakers of english exhibit an interlanguage speech intelligibility benefit when tested with complex sound-meaning mapping tasks? Marta Ortega-Llebaria, Claire Chu and Carrie Demmans Epp; 15. Foreign accent in L2 Japanese: Cross-sectional study Kaori Idemaru, Kimiko Tsukada and Misaki Kato; Part V. Cognitive and Psychological Variables: 16. Self-reported effort of listening to non-native accented English depends on talker pausing and listener working memory capacity Mengxi Lin and Alexander L. Francis; 17. Investigating the role of cognitive abilities in phonetic learning of foreign consonants and lexical tones Irina. A. Shport; 18. Auditory priming effects on the pronunciation of second-language vowels Lindsay Leong, Trude Heift and Yue Wang; 19. Indexical effects in cross-language speech perception: The case of japanese listeners and english fricatives Benjamin Munson, Fangfang Li and Kiyoko Yoneyama; 20. The role of orienting attention during perceptual training in learning nonnative tones and consonants Ying Chen and Eric Pederson.