Suppose you wanted your friend Stephan to feel like a more assertive person. According to research on __, you should ask him to think of _ times in the past when he acted in an unassertive...

Suppose you wanted your friend Stephan to feel like a more assertive person. According to research on ______, you should ask him to think of _____ times in the past when he acted in an unassertive manner.

a. Representativeness heuristic; 12

b. Availability heuristic; 3