Ann-Marie started walking when she was 10 months old; Cynthia is just beginning to take steps by ...

Ann-Marie started walking when she was 10 months old; Cynthia is just beginning to take steps by herself at 13 months. Which of the following is most likely?
 
  Ann-Marie is very intelligent.
  Cynthia is malnourished.
  Cynthia is retarded.
  Both girls are developing normally.

Question 2

Louise wants to know when her baby boy will develop various skills. The answer depends on
 
  his genetic programming.
  the home environment.
  the interaction between genes and environment.
  his father's involvement.

Question 3

Most babies learn to grab and hold onto objects by about
 
  2 months.
  4 months.
  6 months.
  8 months.

Question 4

If all of these children are healthy, the first child to walk is probably
 
  Renee, from Canada.
  Michelle, from France.
  Kim, from Korea.
  Kynashi, from Uganda.

Question 5

Healthy infants usually develop
 
  the same motor skills in the same sequence.
  the same motor skills at the same age.
  motor skills only if they are taught.
  motor skills in unpredictable sequences.

Question 6

When they are practicing walking, babies average between ______ walking steps per hour.
 
  100 and 300
  200 and 800
  600 and 1200
  500 and 1500

Question 7

Sam is able to grab objects but he sometimes closes his hand too early or too late. Sam is probably about
 
  2 months old.
  4 months old.
  6 months old.
  8 months old.

Question 8

Fine motor skills are those that
 
  are due to brain damage or trauma.
  require practice.
  require small body movements.
  use three or more muscles.