Data from the national Monitoring the Future study has shown that substance use of all kinds peaks in the ______________

The strange situation procedure, in which researchers unobtrusively watch an infant in the presence or absence of several combinations of the child, caretaker, and stranger, is used to study _________

a. social smiling b. attachment c. identification d. dependence and independence

When a child sees a flying squirrel and calls it a "bird with a tail," the child has begun to accommodate new knowledge

Indicate whether the statement is true or false