A person contemplating surgery to alter his or her bodily appearance to that of the opposite sex is thinking about becoming a(n) ________

What can we conclude about the relationship between a person's age of acquisition of a second language and his or her mastery of grammar?

a. So far, no research has demonstrated a relationship between these two variables. b. Linguistically skilled individuals tend to master grammar better if they learn a second language during childhood; individuals with below-average skills tend to master grammar better if they learn a second language during adulthood. c. The results clearly support the critical period hypothesis, because people have greater mastery of grammar if they learn a second language during childhood. d. The results are complicated, because the answer depends on the match between the two languages, as well as the amount of education in the second language.

Because most people who are later diagnosed with bipolar disorder first present with depression, it is important to assess someone with MDD for _____ and _____.:

A. A family history of bipolar disorder; a personal history of elevated mood or increased energy. B. A personal history of catatonia; a family history of insomnia (early morning awakenings). C. A family history of cyclothymia; a personal history of cannabis use. D. All of the above.