At About 30 Hours Old,American and Swedish Newborns Were Observed

question 726

Multiple Choice

At about 30 hours old,American and Swedish newborns were observed to pause more in their pacifier sucking when listening to

• A) familiar vowels from their mother's language.
• B) unfamiliar words from their father's language.
• C) the voice sounds of a sibling.
• D) musical instruments over a radio.