Research in second language acquisition has long posited that learners' individual differences affect ultimate attainment. This chapter reviews studies that examine how learners with differing cognitive aptitudes respond to instructional treatments. Most of these studies showed …
Research on second language acquisition (SLA) has identified language aptitude and age of onset (AO), i.e., the age at which learners are first meaningfully exposed to the L2, as robust predictors of rate of classroom language learning and level of ultimate L2 attainment in natu…
Research in second language acquisition has long posited that learners' individual differences affect ultimate attainment. This chapter reviews studies that examine how learners with differing cognitive aptitudes respond to instructional treatments. Most of these studies showed …