Professor Jones tested a group of 8-month-old infants who were born two months before their due dates and a group of full-term 6-month-old infants. These infants match in

Question

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The age of infants is usually measured in two ways: postnatal age, which is the actual age of the infant since birth, and conceptional age, which takes into account the duration of the pregnancy. As the infants in the first group were born two months early, their conceptional age would be six months, the same as the full-term infants in the second group. Therefore, they match in conceptional age, but not in postnatal age, as the premature infants would be two months older in postnatal age compared to the full-term infants. They also may not match in experiential age, as the premature infants may have had different experiences during their two extra months in the neonatal intensive care unit.

Professor Jones Tested a Group of 8-Month-Old Infants Who Were