Little Rupert goes to the market with his mother and calls all men he sees “Dada.” This is an example of  a. a secondary circular reaction.  b. The A-not-B error.  c. assimilation.  d. coordination of...

Little Rupert goes to the market with his mother and calls all men he sees “Dada.” This is an example of

 a. a secondary circular reaction.

 b. The A-not-B error.

 c. assimilation.

 d. coordination of secondary schemes.

Maha starts to begin rooting while being held by her mother’s friend, who quickly passes Maha back to her mother to be breast-fed. Based on Piaget’s sensorimotor substages, how old is Maha?

 a. 0–1 month

 b. 1–4 months

 c. 4–8 months

 d. 8–12 months