Normalcy bias is a cognitive bias that causes people to underestimate the likelihood of a disaster or other catastrophic event occurring. It is a form of risk perception that causes people to believe that things will always remain the same, and that any changes will be minor and manageable. This bias can lead
Normalcy bias, or normality bias, is a cognitive bias which leads people to disbelieve or minimize threat warnings. Consequently, individuals underestimate the likelihood of a disaster, when it might affect them, and its potential adverse effects. The normalcy bias causes many people to prepare inadequately for natural disasters, market crashes, and calamities caused by human error. About 80% of people reportedly display normalcy bias during a disaster.