On her first birthday, Emily looks at her mother as they observe the clown coming to her party. At first Emily is crying. Then her mother smiles and acts very happy, so Emily smiles, too. This is an example of
a. empathy.
b. attachment. c. visual acuity.
d. social referencing.
Question 2
Contraceptive use among adolescents has
a. increased in some groups but not in others. b. decreased.
c. increased.
d. been consistent.