Infant __________, evidenced by serious emotional distress at being away from the caregiver, usually peaks between 12 to 18 months of age

For something to be a part of personality it should

A) always be evident. B) never change. C) be relatively stable over time. D) apply to all people.

Which is an example of the fact that children do not understand classification the

same way adults do? (a) a game of marbles (b) having the child put animals into boxes of various sizes (c) running together with the child (d) asking the child how a bicycle works (e) none of the above