Six-month-old Emir is sitting in his car seat and repeatedly saying "na-na-na-na." What is Emir doing?

Regarding the appearance and sequence of emotions in infants, which of the following statements is TRUE?

A. Emotions, such as fear and jealousy, appear in infants at the same time. B. It is complicated and difficult to determine the onset of some emotions, and researchers hold very different views and report different findings. C. Infants experience emotions in the following sequence: joy, pride, sadness, shame, anger, fear. D. Researchers have reached consensus that jealousy does not emerge until after approximately 18 months of age.

Which of the following statements about adolescent sex education is FALSE?

A) Some parents are uninformed and don't know how to explain sexuality to their children. B) Sexual knowledge leads to sexual experimentation. C) Nonreligious parents are more likely than religious parents to explain how to obtain birth control. D) Politically conservative, religious parents are more likely than liberal, nonreligious parents to talk with their teens about the negative consequences of sex.