Aaron cried when his mom left and he was not reassured or comforted by her return a short while later. Aaron shows signs of

Adult immigrants tend to learn some amount of the new language and then reach the endpoint of second language acquisition that typically falls short of full mastery, and this is known as the language learner's __________.

a. critical period b. final outcome c. level of proficiency d. ultimate attainment

When a person has a better memory for items at the end of a list he/she tries to learn, the _____ is demonstrated

a) recency effect b) serial cognition effect c) metamemory effect d) primacy effect