Vygotsky viewed __________ play as one of the primary contributors to the development of executive functioning.

The desire for physical intimacy without emotional commitment may be strongest in

younger women. older women. younger men. older men.

Kuhl and colleagues studied infants' discrimination of vowel sounds in English and

Swedish and found that infants learned not to pay attention to slight differences in the sounds in their own language. This occurred as early as the age of __________ month(s). a. 1 b. 3 c. 6 d. 9 e. 12