A parent's announcement, "It's a boy," is an example of

Researchers tested people's ability to recognize facial expressions with all faces looking straight ahead. Why is that procedure less accurate than it could be? a. Viewers pay more attention when the stimuli are highly variable. b. Happy and surprised people have very similar expressions

c. Frightened and sad people seldom make eye contact with you. d. Angry and disgusted people tend to move their eyes back and forth.

Theodore, an 18-year-old college freshman, often engages in binge drinking and is a chain smoker. As he matures into young adulthood, his binge drinking is likely to __________, and his smoking habit is likely to __________

A) decrease; decrease B) decrease; increase C) increase; increase D) increase; increase