What is the estimated heritability for depressive disorder?

Which of these is the best example of the behavioral component of an attitude?

a) Bea feels recycling is a great concept. b) Bob is upset when he hears a corporation plans to build a polluting plant near his home. c) Bill struggled to understand the arguments both sides presented in a debate over a new manufacturing plant. d) Betty wrote a letter to her senator asking her to support a law making corporations responsible for the pollution they cause.

Fernando is watching the red Ferrari as it leads the race. If we had a PET scan of his brain during this time we would most likely see:

a. The entire occipital lobe highly activated b. Area V4 active when he was searching for the red car and area V5 active when he was attending to the speed of the car c. Area V5 active when he was searching for the red car and area V4 active when he was attending to the speed of the car d. Only one area of the occipital lobe active regardless of which aspect of the car he was attending to