If a Psychology Professor Is Explaining the Difference Between Primary

Multiple Choice

If a psychology professor is explaining the difference between primary and secondary circular reactions, which statement should he make?

A) "Primary circular reactions are more important than secondary circular reactions."
B) "Primary circular reactions become secondary circular reactions when they persist."
C) "Primary circular reactions show more advanced development than secondary circular reactions."
D) "Primary circular reactions are centered only on the baby's body, whereas secondary circular reactions revolve around objects in the external world."