The need to continue one's genetic information on to the next generation is called:

What babies in the Thomas and Chess study were at high risk for problems in childhood, including aggressive behavior, anxiety and social withdrawal?

a. easy b. difficult c. slow-to-warm-up d. unengaged

Research has found that which type of children tend to initiate more conflicts?

A) Those who are socially outgoing B) Girls C) Kids with parents who moralize D) Children who recently won another conflict