Harry is 65 years old and can hear well enough to understand a whisper spoken three feet away. In a sample of 65-year-old men, Harry would be

The "third ear" refers to

a. environmental stimuli. b. one who wears an earphone. c. repeating another's message to make sure it's accurate. d. non-verbal communication cues.

You have a friend who has a 12-month-old son and you have an 18-month-old son. You have been getting together each week for a couple of months for them to socialize and so that you can talk

Your friend is concerned that his son is not very advanced because your son systematically and deliberately separates his various toys into categories while he plays and his son is oblivious to any categories. What would you tell your friend? a. that his son should probably start going to a high-quality day care b. that his son will most likely also categorize when he is 18 months old c. that your son is very advanced since children generally do not categorize until they are at least 24 months old d. that infants are very different in their development