Dr. Martinez wants to know which exhibits children prefer at the new Children's Museum. To find out, she unobtrusively observes them to see which exhibits they choose to visit most and at which ones they spend the most time. Which type of research method does this represent?

Pavlov's famous conditioning experiments involved ______

a. dogs b. a child c. chickens d. a morning dove

George was in an automobile accident several years ago in which he suffered head injuries. Since the mishap, he has been unable to form new memories

He can remember everything he did before the accident but he cannot remember what he just said five minutes ago. The part of George's brain that was injured was probably the ______. a. hippocampus b. brain stem c. reticular formation d. spinal cord