People Are Very Likely to Decide to Be Organ Donors

Multiple Choice

People are very likely to decide to be organ donors when the default option on their renewable drivers' license forms is Yes,but they can choose to drop out.They are much less likely to decide to be organ donors if the default option on their license forms is No,but they can choose to opt in.This best illustrates the effects of

A) framing.
B) overconfidence.
C) confirmation bias.
D) the availability heuristic.