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Author Question: Which of the following is true about the advent of puberty in boys and girls in the United States? ... (Read 82 times)

mydiamond

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on: Jun 22, 2018
Which of the following is true about the advent of puberty in boys and girls in the United States?
 
  a. The age of advent has increased in recent years.
  b. The age of advent has remained the same in recent years.
  c. The age of advent has increased for girls in recent years, but decreased for boys.
  d. The age of advent has leveled off for boys and girls in recent years.

Question 2

If an infant cries when the mother puts her down and walks away, and then stops crying when she picks the infant back up, does this represent an understanding of object permanence?
 
  a. yes
  b. no
  c. yes, but only if the child is at least 2-months-old
  d. Not necessarily. It depends upon whether the child has a mental representation of the mother.


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kkenney

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Reply #1 on: Jun 22, 2018
Answer to Question 1

D

Answer to Question 2

D


mydiamond

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Reply 2 on: Jun 22, 2018
Excellent

duy1981999

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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