Researchers have shown that by _________ of age, infants are able ...

[asmith134]

Researchers have shown that by _________ of age, infants are able to distinguish among several expressions, particularly happiness as opposed to anger, surprise, and sadness.
 
  a. one year c. two to four weeks
  b. three to four months d. six days

Question 2

Define the cross-cultural study. For what type of developmental research would this approach be best used?
 
  What will be an ideal response?

[jessicaduplan]

Answer to Question 1

B

Answer to Question 2

A cross-cultural study compares individuals from different cultural groups on one or more behavior or pattern of abilities. This approach is useful in answering questions about the universality of psychological development.

[asmith134]

Excellent

[nanny]

Gracias!