What is rewarding to one person may be of little value to someone else

Research suggests that negative campaigning in politics may be most effective as a strategy ____

a. for a candidate who is far behind in the polls and willing to try anything to get ahead b. as a retaliation measure, for a candidate who has already been attacked by his or her opponent c. for candidates who already have the upper hand in the polls d. for candidates who are relatively well-known (as opposed to those who are less well-known)

Which of the following is not true of cephalocaudal development?

a. It is characterized by fetus' heads being large in proportion to the rest of their bodies. b. It allows the brain to develop early to promote survival. c. It is also called head-upward development. d. It continues throughout early childhood.