Piaget's basic test for object permanence involves seeing how ...

[kaid0807]

Piaget's basic test for object permanence involves
 
  seeing how babies play with their mothers.
  showing a baby an interesting toy and then covering it with a cloth.
  placing a toe in a baby's hand and seeing how the baby responds to it.
  seeing if a baby can imitate a facial expression it has been shown.

Question 2

You roll a ball across the floor to a baby. The ball rolls out of sight behind a chair. For the first time, the baby crawls to search for it. The baby is probably about
 
  6 months old.
  12 months old.
  8 months old.
  15 months old.

[stallen]

Answer to Question 1

showing a baby an interesting toy and then covering it with a cloth.

Answer to Question 2

8 months old.

[kaid0807]

Great answer, keep it coming

[essyface1]

Thanks for the timely response, appreciate it