The ability to control one's impulses and delay immediate pleasures in pursuit of long-term goals is most clearly a characteristic of:

A likely explanation for the illusory-correlation effect is that

a. people choose a stereotype as an anchor, and they make only small adjustments based on that anchor. b. people believe that correlations are illusions, somewhat similar to optical illusions. c. we pay too much attention to just one cell in the matrix, rather than the three other possible combinations of variables. d. we select the least available cell as an anchor, and then we make adjustments away from that anchor.

With respect to the degree of prevalence of symptoms of the various anxiety disorders in the adult population, statistics show that

a. anxiety disorders are extremely rare and characteristic symptoms are experienced by few individuals. b. about one-quarter of the population has experienced symptoms characteristic of the various anxiety disorders. c. more than half of the all adults will experience symptoms of anxiety disorders in their lifetime. d. just about all individuals experience severe symptoms characteristic of anxiety disorders in their lifetime.