Although second language (L2) learners often have difficulty with learning the L2 pronunciation, the literature has reported a mix of more successful and less successful learners. Many factors could contribute to individual variation in L2 speech sound learning. This dissertation examines a few factors that are hypothesized to influence L2…

The current study set out to examine the age-related effects on ultimate attainment of second language (L2) phonology and grammar. The goals of the study are threefold: (1) to unravel the complexity of ultimate L2 attainment by surveying multiple contributing factors, (2) to explore the relative strength of the Age of Arrival (AOA) variable and…