Suppose that X and Y are uncorrelated. X has a mean of 15 and Y has a mean of 19 . Given a score of 14 on a particular X observation, the best prediction of Y is

a. 0

Which statement indicates that co-rumination is occurring? a. "I like ice cream."

b. "I think that being by myself and drinking this malt is about the best thing I can do for me.". c. "I know that you are also having trouble staying slim.". d. "When I go out to dinner and order a salad, I always ask for cottage cheese.".

Sexual activity is most likely to be considered a health-defeating behavior when it:

A. involves practices that increase the risk of STIs. B. results in pregnancy. C. is perceived negatively by one's culture or social group. D. occurs among teenagers and young adults.