No child is too young for a hearing test! Infants are now routinely screened for potential hearing loss before they leave the hospital. The type of test used to assess a child's hearing status depends on the age and cognitive function of the child. Behavioral observation assessment (BOA) testing is conducted by an audiologist specially trained to detect bodily reactions to sound i.e. cessation of activity, body movement, eye widening, eye opening, or change in sucking rate. Conditioned play audiometry ,By approximately 2 1/2 - 3 years of age most children can be tested using Earphones. She/he is conditioned to play various games when the test tone is heard. This method requires the child to raise a hand when the test tone is heard..