Celia has noticed that her 7-month-old daughter has recently begun to raise and lower the pitch of her voice when she babbles so she sometimes sounds as if she is asking questions. Celia's daughter has added __________ to her babbling

Stanley was sitting on his front porch when he saw a child run into the street after a stray ball. The child did not see that there was a car coming, and Stanley knew something very bad was about to happen. He jumped off of his porch, ran into the street,

and just snatched the child out of the way before the car hit them. Stanley and the child were fine, but his action, taken without concern for his own safety, is an example of __________. a. self-sacrifice b. altruism c. prosocial behavior d. collectivism

A researcher asks a parent to keep a diary of their child's linguistic utterances over the course

of the day, and asks the parent to tape record the child's linguistic behavior during bath - and meal-time. This assessment is known as a: A) comprehensive, standardized language test. B) pragmatics test. C) representative language sample. D) linguistic screening assessment.