This topic contains a solution. Click here to go to the answer

Author Question: Which of the following is true about the advent of puberty in boys and girls in the United States? ... (Read 60 times)

mydiamond

  • Hero Member
  • *****
  • Posts: 804
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.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kkenney

  • Sr. Member
  • ****
  • Posts: 352
Answer to Question 1

D

Answer to Question 2

D




mydiamond

  • Member
  • Posts: 804
Reply 2 on: Jun 22, 2018
Wow, this really help


chereeb

  • Member
  • Posts: 326
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

For a complete list of videos, visit our video library