When a 4-year-old uses infant-directed speech when talking to her neighbor's new baby, this demonstrates ____________________________

Adolescents are likely to find their parents' efforts to exert ________ control more legitimate than parents' efforts to exert psychological control

A) abstract B) figurative C) symbolic D) behavioral

Sandra is classified as having a very low birth weight. At birth she weighed

A) less than 2 pounds. B) less than 4 1/2 pounds. C) less than 3 1/2 pounds. D) less than 5 1/2 pounds.