Out of all men and women who have ever used alcohol, approximately ____ percent will develop serious alcohol related problems

In correlational analyses, what does r2 represent?

a. The Pearson product-moment correlation. b. The probability of committing a Type I error. c. The Spearman rank correlation. d. The coefficient of determination.

How does the method of transcranial magnetic stimulation of brain areas differ from magnetic inactivation?

a. Brain activation results from long, intense magnetic stimulation. b. Brain inactivation results from mild, brief magnetic stimulation. c. Brain inactivation results as the magnets are simply reversed. d. Brain activation results from mild, brief magnetic stimulation.