Final answer:
The scenario where Belicia feels her precautionary behavior is exceptional exemplifies the false uniqueness effect, a belief in the rarity of one's actions.
Step-by-step explanation:
Belicia choosing a designated driver and believing that this action makes her exceptionally precautious exemplifies the false uniqueness effect. This cognitive bias occurs when an individual believes that their behaviors or attributes are more unique or rare than they actually are. In other words, Belicia thinks that her virtue of choosing a designated driver is exceptional and that not many others do this, even though in reality, it is a common practice.