The human brain contains somewhere around __________ neurons

Which of the following is NOT consistent with the most common pattern of schizophrenia?

A) Women develop the disorder earlier and more severely than men. B) There is a significant risk of suicide attempt—about 25 percent. C) There is a higher incidence in lower than upper socioeconomic groups. D) There is about a 1 percent risk of developing schizophrenia in a lifetime, worldwide.

Which of these statements about correlation squared is false?

a. r is the strength of a linear relationship b. r2 is % of correlation in Y that is related to X c. Both r and r2 can be used to describe size of the effect d. r2 is preferred because it is a percent