Dr. Quillan is measuring the point at which an infant can no longer differentiate between a striped-patterned stimulus and a gray square. Dr. Quillan is probably attempting to measure the infant's
a. depth perception.
b. retinal disparity.
c. visual acuity.
d. ability to perceive different pitches.
Question 2
Most people become grandparents in their forties and fifties.
a. True
b. False
Indicate whether the statement is true or false
