Answer to Question 1
True
Answer to Question 2
(1) Joint attention: Parents encourage word learning by watching what interests their children. (2) Constraints on word names: If an unfamiliar word is heard in the presence of objects that already have names and objects that don't, the word refers to one of the objects that doesn't have a name. (3) Sentence cues: The other words in a sentence and the overall sentence structure can be helpful clues to a word's meaning.