Prior to Estimating the Number of People Attending a Concert

Multiple Choice

Prior to estimating the number of people attending a concert, Edward was asked whether there were more or fewer than 1,000 people and Ellen was asked if there were more or fewer than 4,000 people. Edward's estimate of the number of people was much less than Ellen's estimate, suggesting their estimates were influenced by use of the _____.

A) representativeness heuristic
B) conjunction fallacy
C) availability heuristic
D) anchoring and adjustment heuristic