Question 1
Vowel-like utterances such as "oooooooo" and "ahhhhhhh" are referred to as
◦ babbling.
◦ intonation.
◦ infant-directed speech.
◦ cooing.
Question 2
What advice would you give to parents interested in promoting their child's language development?
◦ Make language-learning a serious business. Do not mix it with playtime.
◦ When a child is slow to complete a sentence, finish it for him.
◦ Rephrase a child's ungrammatical remark to show the correct grammar.
◦ Encourage children to use vague words such as "stuff" or "somebody."