Developmental norms:

Question

Xaibi Aslam · Accepted Answer

indicate the average age at which individuals reach various developmental milestones

Xaibi Aslam · Answer

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

Xaibi Aslam · Answer

indicate the maximum age at which a child can reach a particular developmental milestone, and still be considered &#8220;normal.&#8221;

Xaibi Aslam · Answer

involve both a and b

Question #37707