Psychology 2134A/B Lecture Notes - Lecture 17: Autism Spectrum, Dementia, Aphasia
Learn a first language and pick up a second language. How does learning a second language (l2) differ from learning a first language (l1): l2 acquisition ( exposure) is harder (learning it later on in life) Not a universal phenomenon like l1 acquisition. Age appears to matter (key determinant of success in picking up new language) Endpoint of second language acquisition typically falls short of full mastery (when agility levels off) Age of arrival/acquisition (aoa: time when learner received first intensive exposure to l2 in country where it is spoken (immigration situation) Length of residence (lor: number of years learner has lived in country where l2 is spoken (time spent learning that second language) Before puberty: aoa, lor good predictors of ultimate attainment. After puberty: native speaker mastery much harder. Examined language in immigrants who arrived in the us from asia. What best predicts success in learning english: time since arrival in the us, age of arrival to the us.