After surviving an Amtrak derailment, John experienced frequent, vivid thoughts and images of the accident for several months. He also had problems sleeping and was irritable and withdrawn. John is suffering from:

Which of these statements by Angela is an example of her magical thinking?

a. "I know that if I send him positive vibes, John will call and ask me out." b. "The cops are following me in unmarked cars so they can catch me speeding." c. "I don't care what other people say about you, I think you're nice." d. "Those ducks in formation over the lake have a secret message for me."

The Biodata Handbook indicates that validity coefficients for biodata range between:

A) .10 and .20. B) .20 and .46. C) .60 and .75. D) .70 and .80.