Which of the following explains why a 13-month-old boy will ...

[Ebrown]

Which of the following explains why a 13-month-old boy will respond negatively to a harsh look on his mother's face, but will respond neutrally to a harsh look on a stranger's face?
 
  The child understands the language of his mother much earlier than he
  understands the language of strangers.
  The child has made a connection to previous harsh expressions and tones
  of voice from his mother.
  The child has an insecure attachment to his mother, so he is more afraid of
  her than he is of the stranger.
  Children do not recognize differences in faces until they are at least 18
  months old.

Question 2

Baby Genevieve has many colorful toys and books to look at but her very favorite sight is her big brother's face. She is demonstrating the universal principle of infant perception called
 
  sibling perception.
  people preference.
  familial vision.
  binocular bonding.

[smrtceo]

Answer to Question 1

The child has made a connection to previous harsh expressions and tones
of voice from his mother.

Answer to Question 2

people preference.