An excessive fear of being alone is called

One reason that decision makers often use the representativeness heuristic inappropriately is that

a. they pay too much attention to the base rate. b. they do not pay enough attention to sample size. c. their decisions are influenced too greatly by a large sample size. d. they estimate frequency in terms of how easily they can think of examples that have a particular characteristic.

Which of the following areas of the brain have not been shown to have unusually high activity in people who suffer from obsessive-compulsive disorder?

a. the basal ganglia b. the striate nuclei c. parts of the limbic system d. the frontal lobe