400
Miss Jan De Jong is orderly, neat, fairly quiet, and shy. She enjoys reading in her spare time and belongs to a social club that includes three librarians, nine real estate agents, and eight social workers. A tendency to conclude that Jan must be one of the three librarians would illustrate the powerful influence of
A. Confirmation bias
B. The framing effect
C. The representativeness heuristic
D. The belief perseverance phenomenon
E. The availability heuristic
C. The representativeness heuristic