Adoptive families account for ______ percent of school-age children's family structure

Shellie has a growth mindset. She has just found out that she did poorly on an exam. Which of the following is she most likely to do?

a. try even harder to succeed b. disengage and give up c. feel the exam was unfair d. try to cheat on the next exam

The "prisoner's dilemma" game is an excellent vehicle for studying social conflicts in the laboratory because

a. the rules of the game pit self-interest against looking out for someone else's interest. b. researchers control the strategies participants use. c. there is one and only one right answer to the problem. d. there are clear winners and clear losers, and thus reliable dependent variable measures.