Newborns are responsive to a variety of sounds; for example, rhythmic sounds or lullabies are often soothing to them

Dr. Ngai just turned 40. To celebrate the beginning of his tenure in middle-age he went to the optometrist and had his vision checked. To Dr. Ngai's surprise the optometrist informed him he suffers from presbyopia, which is __________

a) a loss of elasticity in the cornea that reduces the ability to see far away. b) a loss of elasticity in the lens that reduces the ability to see close up. c) a loss of elasticity in the iris that reduces the ability of the pupil to dilate and contract. d) a clouding of the lens that can lead to blindness.

According to the New York Longitudinal Study, 40% of children exhibit a temperamental pattern described as

A. mixed temperament. B. difficult. C. easy. D. slow-to-warm-up.