A psychologist spends her entire career studying how and why changes occur in people as they get older. This psychologist is most likely a(n) ________ psychologist

Katie is scared of meeting new people. She eats at her desk at work to avoid interacting with her coworkers and consistently refuses their invitations to go out for parties. Psychologists will most likely diagnose Katie with _____

A) acrophobia B) social phobia C) necrophobia D) claustrophobia

The main reason people often mimic the facial expressions of others is that:

A) doing so has been reinforced from an early age. B) it facilitates the formation of like-minded groups. C) it lets others know that they feel the same way about an issue. D) it helps them figure out what others are feeling.