Which of the following is probably most useful in studies in which extreme scores sometimes occur but have no real practical significance?

In the 1800's what were most women feeding their babies and what reason was given?

a. breast milk because everyone was doing natural parenting at the time. b. goat's milk because it had less lactose in it. c. cow's milk because it was high in fat and this was good for the developing brain. d. condensed and evaporated milk, because it was convenient and "safer."

You begin to doze off in class but suddenly come to awareness when your name is called. The brain part responsible for your sudden arousal is the

a. sympathetic nervous system. b. reticular activating system (RAS). c. thalamus. d. pituitary gland.