The most famous study of ___ is the "marshmallow test" (Mischel et al., 1972)

When an infant needs to be soothed,

a. breast milk or formula is all that will work. b. it is always a signal that he or she is in pain. c. simply sucking on something may work. d. a salty taste is usually preferred.

You are walking down a dark alley with several packages. Behind you, you hear a door open and close suddenly, and you immediately dive behind the nearest trash container. The part of the forebrain mainly responsible for your reaction is the

a. hippocampus. b. medulla. c. cerebrum. d. amygdala.