When John shoots a free throw incorrectly in basketball practice, his coach requires him to continue shooting until he has shot the ball correctly a number of times. In which type of punishment does the individual have to engage in the correct behavior contingent on the occurrence of the problem behavior?

Research on sexual orientation indicates that

a. the majority of lesbian and bisexual relationships last less than one month. b. consistent, strong cross-sex interests in late childhood may predict later homosexual or bisexual orientation. c. most gay children have gay parents. d. a defect on the short arm of the Y chromosome appears to be the cause of homosexuality in males.

Regarding stress and poverty, which of the following statements is FALSE? a. The United States currently has the largest income inequalities in the developed world. b. Greeks earn, on average, less than half of what Americans earn and yet have a longerlife expectancy

c. Being constantly reminded that you are relatively poor piles on an extra measure of stress and shortens one's life expectancy. d. Poorer women in California are less likely to die if they live in better-off neighborhoodsthan if they live in poorer neighborhoods.