Developmental norms: A. can be used to make extremely precise predictions about the age at which an individual child will reach various developmental milestones. B. indicate the maximum age at which a...

Developmental norms:

A. can be used to make extremely precise predictions about the age at which an individual child will reach various developmental milestones.

B. indicate the maximum age at which a child can reach a particular developmental milestone and still be considered “normal.”

C. indicate the average age at which individuals reach various developmental milestones.

D. involve both A and B.