By the end of the second year, the average child has mastered up to

By the end of the second year, the average child has mastered up to
 
  a. 50 words.
  b. 300 words.
  c. 500 words.
  d. 1,000 words.

Question 2

Between the ages of one and two, children begin to master all of the following except
 
  a. walking backwards.
  b. negotiating stairs.
  c. standing for 10 seconds on one foot.
  d. internal representation.

Question 3

One-year-olds are also called
 
  a. post-infants.
  b. preschoolers.
  c. neo-preschoolers.
  d. toddlers.

Question 4

Babies begin conversing with adults
 
  a. when they begin using recognizable words.
  b. by their first birthday.
  c. after learning mama and dada.
  d. through early babbling and jabbering.

Question 5

By six months of age, most babies
 
  a. sit up with support..
  b. use the pincer grasp.
   c. crawl.
  d. display fear of strangers.

Question 6

The earliest movements of infants are
 
  a. completely uncoordinated.
  b. purposeful.
  c. reflexive.
  d. None of these answers.